{"id":7927,"date":"2023-01-28T13:47:00","date_gmt":"2023-01-28T05:47:00","guid":{"rendered":"https:\/\/egonlin.com\/?p=7927"},"modified":"2023-01-28T13:47:00","modified_gmt":"2023-01-28T05:47:00","slug":"18-%e5%a4%8d%e5%90%88%e6%95%b0%e6%8d%ae%e7%b1%bb%e5%9e%8b%e4%b9%8b%e5%88%87%e7%89%87","status":"publish","type":"post","link":"https:\/\/egonlin.com\/?p=7927","title":{"rendered":"18 \u590d\u5408\u6570\u636e\u7c7b\u578b\u4e4b\u5207\u7247"},"content":{"rendered":"

\u590d\u5408\u6570\u636e\u7c7b\u578b\u4e4b\u5207\u7247Slice<\/h1>\n

\u5207\u7247\u662f\u4e00\u79cd\u64cd\u4f5c\uff0c\u4e5f\u662f\u4e00\u79cd\u7c7b\u578b\uff01\uff01\uff01<\/p>\n

\u4e00 \u5207\u7247\u7c7b\u578b<\/h2>\n

1.1 \u5207\u7247\u7c7b\u578b\u4ecb\u7ecd<\/h3>\n

\u5207\u7247Slice\u7c7b\u578b\u662f\u4e00\u4e2a\u5143\u7d20\u7c7b\u578b\u76f8\u540c\u4e14\u957f\u5ea6\u53ef\u53d8\u7684\u5e8f\u5217\uff0c\u5207\u7247\u7c7b\u578b\u5728\u5e95\u5c42\u6307\u5411\u7684\u5c31\u662f\u4e00\u4e2a\u6570\u7ec4\u3002\u5207\u7247\u7684\u8bed\u6cd5\u548c\u6570\u7ec4\u5f88\u50cf\uff0c\u53ea\u662f\u6ca1\u6709\u56fa\u5b9a\u957f\u5ea6\u800c\u5df2\uff0c\u5982\u4e0b<\/p>\n

\u200b 1\u3001\u6570\u7ec4\u7c7b\u578b\uff1a[\u56fa\u5b9a\u957f\u5ea6]T<\/p>\n

\u200b 2\u3001\u5207\u7247\u7c7b\u578b\uff1a[]T<\/p>\n

\u5207\u7247\u4e0e\u6570\u7ec4\u4e0d\u540c\u7684\u662f<\/p>\n

\u200b 1\u3001\u6570\u7ec4\u662f\u957f\u5ea6\u4e0d\u53ef\u53d8\u7684\u5e8f\u5217\uff0c\u800c\u5207\u7247\u5219\u662f\u957f\u5ea6\u53ef\u53d8\u7684\u5e8f\u5217\uff0c
\n\u200b 2\u3001\u6570\u7ec4\u662f\u4e00\u4e2a\u503c\u7c7b\u578b\uff0c\u800c\u5207\u7247\u662f\u4e00\u4e2a\u5f15\u7528\u7c7b\u578b<\/p>\n

\u5207\u7247\u7c7b\u578b\u7531\u4e09\u4e2a\u90e8\u5206\u6784\u6210\uff1a\u6307\u9488\u3001\u957f\u5ea6\u3001\u5bb9\u91cf<\/p>\n

\/\/1\u3001\u6307\u9488\uff1a\u6307\u9488\u6307\u5411\u7684\u662f\u5207\u7247\u4e2d\u7684\u7b2c\u4e00\u4e2a\u5143\u7d20\u6240\u5bf9\u5e94\u7684\u5e95\u5c42\u6570\u7ec4\u5143\u7d20\u7684\u5730\u5740\u3002\n\u6ce8\u610f\uff1a\u5207\u7247\u7684\u7b2c\u4e00\u4e2a\u5143\u7d20\u5e76\u4e0d\u4e00\u5b9a\u5c31\u662f\u6570\u7ec4\u7684\u7b2c\u4e00\u4e2a\u5143\u7d20\n\n\/\/2\u3001\u957f\u5ea6\uff1a\u957f\u5ea6\u5c31\u662f\u5207\u7247\u5f53\u524d\u5305\u542b\u7684\u5143\u7d20\u7684\u4e2a\u6570\n\u6ce8\u610f\uff1a\u957f\u5ea6\u4e0d\u80fd\u8d85\u8fc7\u5207\u7247\u7684\u5bb9\u91cf\n\n\/\/3\u3001\u5bb9\u91cf\uff1a\u957f\u5ea6\u6307\u7684\u662f\u5207\u7247\u5f53\u524d\u5bb9\u7eb3\u7684\u5143\u7d20\u7684\u4e2a\u6570\uff0c\u800c\u5207\u7247\u7684\u957f\u5ea6\u662f\u53ef\u4ee5\u53d8\u5316\u7684\uff0c\u5bb9\u91cf\u6307\u7684\u5219\u662f\u5207\u7247\u672a\u6765\u53ef\u4ee5\u5bb9\u7eb3\u7684\u5143\u7d20\u7684\u4e2a\u6570\uff0c\u4e5f\u5c31\u662f\u8bf4\u5bb9\u91cf\u6307\u7684\u662f\u5207\u7247\u672a\u6765\u53ef\u4ee5\u8fbe\u5230\u7684\u957f\u5ea6\u8303\u56f4\uff0c\u6240\u4ee5\u957f\u5ea6\u80af\u5b9a\u4e0d\u53ef\u80fd\u8d85\u8fc7\u5bb9\u91cf\n\u8981\u6ce8\u610f\u7684\u662f\uff1a\n    1\u3001\u968f\u7740\u5f80\u5207\u7247\u4e2dappend\u5143\u7d20\uff0c\u82e5\u5e95\u5c42\u6570\u7ec4\u4e0d\u591f\u5bb9\u7eb3\uff0c\u5207\u7247\u4fbf\u4f1a\u81ea\u52a8\u6269\u5bb9(\u6307\u5411\u65b0\u7684\u6570\u7ec4)\n    2\u3001\u5728\u6ca1\u6709\u6269\u5bb9\u7684\u60c5\u51b5\u4e0b\uff1a\u5bb9\u91cf\u6307\u7684\u662f\u4ece\u5207\u7247\u7684\u5f00\u59cb\u4f4d\u7f6e\u5230\u5e95\u5c42\u6570\u7ec4\u7684\u7ed3\u5c3e\u4f4d\u7f6e\nps\uff1a\u5185\u7f6e\u7684len\u548ccap\u51fd\u6570\u5206\u522b\u8fd4\u56deslice\u7684\u957f\u5ea6\u548c\u5bb9\u91cf<\/code><\/pre>\n
1.2 \u5207\u7247\u7c7b\u578b\u7684\u58f0\u660e\u4e0e\u521d\u59cb\u5316<\/h3>\n
\u56e0\u4e3a\u5207\u7247\u7c7b\u578b\u5c5e\u4e8e\u590d\u5408\u7c7b\u578b\u4e2d\u7684\u5f15\u7528\u7c7b\u578b\uff0c\u6240\u4ee5<\/p>\n
\uff081\uff09\u76f4\u63a5\u58f0\u660e\u4e00\u4e2a\u5207\u7247\u7c7b\u578b\uff0c\u96f6\u503c\u4e3anil\uff08\u5f15\u7528\u7c7b\u578b\u7684\u96f6\u503c\u90fd\u4e3anil\uff09\uff0cnil\u4ee3\u8868\u7a7a\u3001\u6ca1\u6709\u5206\u914d\u5185\u5b58\uff0c\u5373\u6ca1\u6709\u5e95\u5c42\u6570\u7ec4<\/p>\n
var a []int\nfmt.Println(a == nil) \/\/ true\n\na[0] = 666  \/\/ \u62a5\u9519\uff0c\u56e0\u4e3a\u6ca1\u6709\u5f00\u8f9f\u5185\u5b58\u7a7a\u95f4<\/code><\/pre>\n
\uff082\uff09\u521d\u59cb\u5316\u5207\u7247\u7c7b\u578b\u7684\u65b9\u5f0f\u6709\u4e24\u79cd<\/p>\n
\u65b9\u5f0f\u4e00\uff1a\u5148\u8c03\u7528make()\u51fd\u5f00\u8f9f\u7a7a\u95f4\uff0c\u7136\u540e\u518d\u585e\u503c<\/p>\n
=======>\u5148\u4e0a\u4f8b\u5b50<=======\nvar a []int = make([]int, 3, 3) \/\/ \u5f00\u8f9f\u5185\u5b58\u7a7a\u95f4\uff0c\u6307\u5411\u4e00\u4e2a\u5e95\u5c42\u6570\u7ec4\nfmt.Printf("%p\\n", &a) \/\/ \u6253\u5370\u53d8\u91cf\u672c\u8eab\u7684\u503c\uff0c\u8f93\u51fa\u5730\u5740\u4e3a0xc00000c060\nfmt.Printf("%p\\n", a) \/\/ \u6253\u5370\u9996\u5143\u7d20\u7684\u5730\u5740\uff0c\u8f93\u51fa\u5730\u5740\u4e3a0xc000018140\uff0c\u4ee3\u8868\u4e0d\u4e3a\u7a7a\u3001\u6709\u503c\u4e86\nfmt.Printf("%v\\n", a) \/\/ [0 0 0]\n\nfmt.Println(a == nil)           \/\/ false\na[0] = 666  \/\/ \u53ef\u4ee5\u8d4b\u503c\n\n=======>make()\u4ecb\u7ecd<=======\n\u5185\u7f6e\u7684make\u51fd\u6570\u53ef\u4ee5\u521b\u5efa\u4e00\u4e2a\u6307\u5b9a`\u5143\u7d20\u7c7b\u578b`\u3001`\u957f\u5ea6`\u548c`\u5bb9\u91cf`\u7684slice\u3002\n\u5176\u5b9e\u5728\u5e95\u5c42\uff0cmake\u662f\u5148\u521b\u5efa\u4e86\u4e00\u4e2a\u533f\u540d\u7684\u6570\u7ec4\u53d8\u91cf\uff0c\u7136\u540e\u518d\u8fd4\u56de\u4e00\u4e2aslice\uff1b\u5e76\u4e14\u53ea\u6709\u901a\u8fc7\u8fd9\u4e2a\u8fd4\u56de\u7684slice\u624d\u80fd\u5f15\u7528\u5e95\u5c42\u533f\u540d\u7684\u6570\u7ec4\u53d8\u91cf\n\u4f7f\u7528make\u51fd\u6570\u4e3a\u5207\u7247\u4e8b\u5148\u7533\u8bf7\u597d\u5185\u5b58\u7a7a\u95f4\uff0c\u4e5f\u53ef\u4ee5\u9632\u6b62\u8fd0\u884c\u65f6\u7533\u8bf7\u5185\u5b58\u5e26\u6765\u7684\u6548\u7387\u95ee\u9898\u3002\n\nmake([]T, len)      \/\/ \u5bb9\u91cf\u90e8\u5206\u53ef\u4ee5\u7701\u7565\uff0c\u5728\u8fd9\u79cd\u60c5\u51b5\u4e0b\uff0c\u5bb9\u91cfcap\u5c06\u7b49\u4e8e\u957f\u5ea6len\nmake([]T, len, cap) \/\/ \u521b\u5efa\u4e86\u4e00\u4e2a\u5143\u7d20\u4e2a\u6570\u4e3acap\u4e2a\u7684\u5e95\u5c42\u6570\u7ec4\uff0c\u7136\u540e\u53ea\u5f15\u7528\u4e86\u5e95\u5c42\u6570\u7ec4\u7684\u524dlen\u4e2a\u5143\u7d20\uff0c\u82e5len<cap\uff0c\u90a3\u989d\u5916\u7684\u5143\u7d20\u5c31\u662f\u7559\u7ed9\u672a\u6765\u7684\u589e\u957f\u7528\u7684\u3002<\/code><\/pre>\n
\u65b9\u5f0f\u4e8c\uff1a\u4e00\u6b65\u5230\u4f4d\u5f0f\uff0c\u5373\u8d4b\u4e00\u4e2a\u5b8c\u6574\u7684\u503c\uff0c\u8be5\u65b9\u5f0f\u7b49\u540c\u4e8emake\u5b8c\u6bd5\u4e4b\u540e\u518d\u585e\u503c\uff0c\u5982\u4e0b\u6240\u793a<\/p>\n
\/\/ \u4e00\u6b65\u5230\u4f4d\u5f0f\uff0c\u7b49\u540c\u4e8e\u65b9\u5f0f\u4e00\u7684\u5148make\u518d\u585e\u503c\nvar names []string = []string{"egon", "bigegon", "smallegon"\n\n\/\/ \u4e5f\u53ef\u4ee5\u901a\u8fc7\u7d22\u5f15\u548c\u5143\u7d20\u503c\u6307\u5b9a\uff0c\u6216\u8005\u7684\u4e24\u79cd\u98ce\u683c\u7684\u6df7\u5408\u8bed\u6cd5\u521d\u59cb\u5316\uff0c\u5982\u4e0b\u6240\u793a\ns1 := []string{"aaa", "bbb",3:"ddd",}\nfmt.Println(s1) \/\/ [aaa bbb  ddd]\nfmt.Println(s1[0]) \/\/ aaa\nfmt.Println(s1[1]) \/\/ bbb\nfmt.Println(s1[2]) \/\/ \u7a7a\nfmt.Println(s1[3]) \/\/ ddd\n\n\u5c0f\u7ed3\nslice\u548c\u6570\u7ec4\u7684\u5b57\u9762\u503c\u8bed\u6cd5\u5f88\u7c7b\u4f3c\uff0c\u5b83\u4eec\u90fd\u662f\u7528\u82b1\u62ec\u5f27\u5305\u542b\u4e00\u7cfb\u5217\u7684\u521d\u59cb\u5316\u5143\u7d20\u3002\ns1 := [5]int{1, 2, 3, 4, 5}\nfmt.Printf("%T\\n",s1) \/\/ \u6570\u7ec4\u7c7b\u578b[5]int\n\ns2 := []int{1, 2, 3, 4, 5}\nfmt.Printf("%T\\n",s2) \/\/ \u5207\u7247\u7c7b\u578b[]int\n\n\u4f46\u662f\u5bf9\u4e8eslice\u5e76\u6ca1\u6709\u6307\u660e\u5e8f\u5217\u7684\u957f\u5ea6\uff0c\u8fd9\u4f1a\u9690\u5f0f\u5730\u521b\u5efa\u4e00\u4e2a\u5408\u9002\u5927\u5c0f\u7684\u6570\u7ec4\uff0c\u7136\u540eslice\u7684\u6307\u9488\u6307\u5411\u5e95\u5c42\u7684\u6570\u7ec4\u3002<\/code><\/pre>\n
\u4e8c \u5207\u7247\u64cd\u4f5c<\/h2>\n
2.1 \u5207\u7247\u64cd\u4f5c\u4ecb\u7ecd<\/h3>\n
\u5b8c\u6574\u5207\u7247\u64cd\u4f5c\uff1as[i:j:max]\uff0c<\/p>\n
i\uff1a\u8d77\u59cb\u7d22\u5f15\nj\uff1a\u7ed3\u675f\u7d22\u5f15\nmax\uff1a\u5f80\u5207\u7247\u672b\u5c3e\u6dfb\u52a0\u503c\u65f6\u7d22\u5f15\u5c06\u8d85\u8fc7j\uff0cmax\u6307\u7684\u662f\u6700\u5927\u53ef\u4ee5\u8fbe\u5230\u7684\u7d22\u5f15\u503c\uff0cmax-i+1\u5c31\u662f\u5207\u7247\u7684\u5bb9\u91cf\n\n\/\/1\u3001\u5176\u4e2d0 \u2264 i \u2264 j \u2264 max\uff0c\u5f15\u7528s\u7684\u4ece\u7b2ci\u4e2a\u5143\u7d20\u5f00\u59cb\u5230\u7b2cj-1\u4e2a\u5143\u7d20\u7684\u5b50\u5e8f\u5217\uff0c\u5373\u987e\u5934\u4e0d\u987e\u5c3e\n\/\/2\u3001\u7701\u7565i\uff0c\u9ed8\u8ba4\u8d77\u59cb\u4f4d\u7f6e\u4e3a0\uff0c\u5373s[:j]\u7b49\u540c\u4e8es[0:j]\n\/\/3\u3001\u7701\u7565j\uff0c\u9ed8\u8ba4\u7ed3\u675f\u4f4d\u7f6e\u4e3alen(s)\uff0c\u5373\u4ece\u8d77\u59cb\u4f4d\u7f6e\u4e00\u76f4\u5207\u5230\u5e95\uff0c\u91c7\u7528\u88ab\u5207\u5bf9\u8c61\u7684\u6574\u4e2a\u957f\u5ea6\n\/\/4\u3001\u7701\u7565\u548cj\uff0c\u4f8b\u5982s[:]\u4ee3\u8868\u5f15\u7528\u5168\u90e8\n\/\/5\u3001\u7701\u7565max\uff0c\u9ed8\u8ba4max\u4e3a\u5e95\u5c42\u6570\u7ec4\u7684\u6700\u5927\u7d22\u5f15<\/code><\/pre>\n
\u88ab\u5207\u7684\u5bf9\u8c61\u53ef\u4ee5\u662f\uff1f<\/p>\n
    \n
  • 1\u3001\u6211\u4eec\u53ef\u4ee5\u5bf9\u6570\u7ec4\u3001\u5207\u7247\u3001\u6307\u5411\u6570\u7ec4\u6216\u5207\u7247\u7684\u6307\u9488\u8fdb\u884c\u5207\u7247\u64cd\u4f5c\uff0c\u5f97\u5230\u7684\u662f\u4e00\u4e2a\u5207\u7247Slice\u7c7b\u578b\u3002<\/li>\n
  • 2\u3001\u6211\u4eec\u4e5f\u53ef\u4ee5\u5bf9\u5b57\u7b26\u4e32\u8fdb\u884c\u5207\u7247\u64cd\u4f5c\uff0c\u5f97\u5230\u7684\u662f\u4e00\u4e2a\u5b57\u7b26\u4e32\u7c7b\u578b<\/li>\n<\/ul>\n
    2.2 \u5bf9\u6570\u7ec4\u8fdb\u884c\u5207\u7247\u64cd\u4f5c\u5f97\u5230\u5207\u7247\u7c7b\u578b<\/h3>\n
    \u6ce8\u610f\uff1a\u5bf9\u6570\u7ec4\u8fdb\u884c\u5207\u7247\u64cd\u4f5c\uff0c\u7ed3\u675f\u4f4d\u7f6e\u4e0d\u80fd\u8d85\u8fc7\u6570\u7ec4\u7684\u957f\u5ea6<\/p>\n
    \/\/ \u5148\u521b\u5efa\u4e00\u4e2a\u6570\u7ec4\uff0c\u6211\u4eec\u7684\u7d22\u5f15\u4ece1\u5f00\u59cb\uff0c\u7b2c0\u4e2a\u5143\u7d20\u4f1a\u88ab\u81ea\u52a8\u521d\u59cb\u5316\u4e3a\u7a7a\u5b57\u7b26\u4e32\u3002\nmonths := [...]string{1: "January", 2: "February", 3: "March", 4: "April", 5: "May", 6: "June", 7: "July", 8: "August", 9: "September", 10: "October", 11: "November", 12: "December"}\nfmt.Println(len(months))  \/\/ 13\n\n\/\/ \u4f8b1\uff1a\u5bf9\u6570\u7ec4\u8fdb\u884c\u5207\u7247\uff0c\u8d85\u51fa\u5176\u957f\u5ea6\u5219\u62a5\u9519\nfmt.Println(months[0:12])\nfmt.Println(months[0:13])\nfmt.Println(months[0:14])  \/\/ \u9519\u8bef\uff0c\u8d85\u51fa\u6570\u7ec4\u957f\u5ea6\n\n\u00a0\/\/ \u4f8b2\uff1a\u5bf9\u540c\u4e00\u6570\u7ec4\u8fdb\u884c\u5207\u7247\u64cd\u4f5c\uff0c\u591a\u4e2aslice\u4e4b\u95f4\u53ef\u4ee5\u5171\u4eab\u5e95\u5c42\u6570\u7ec4\u7684\u90e8\u5206\u533a\u95f4\u53ef\u80fd\u91cd\u53e0\uff0c\u5982\u4e0b\u56fe\u6240\u793a\nQ2 := months[4:7]\nfmt.Println(Q2)            \/\/ ["April" "May" "June"]\nfmt.Printf("%T\\n",Q2)      \/\/ []string\nfmt.Println(Q2[1])         \/\/ \u8bbf\u95ee\u7684\u662f\u5207\u7247\u4e2d\u7684\u7b2c2\u4e2a\u5143\u7d20\uff0c\u7ed3\u679c\u4e3a\uff1aMay\n\nsummer := months[6:9]\nfmt.Println(summer)       \/\/ ["June" "July" "August"]\nfmt.Printf("%T\\n",summer) \/\/ []string\nfmt.Println(summer[1])    \/\/ \u8bbf\u95ee\u7684\u662f\u5207\u7247\u4e2d\u7684\u7b2c2\u4e2a\u5143\u7d20\uff0c\u7ed3\u679c\u4e3a\uff1aJuly\n\n\/\/ \u4f8b3\uff1a\u5207\u7247\u4e3a\u5f15\u7528\u7c7b\u578b\uff0c\u4fee\u6539\u5207\u7247\u7684\u5143\u7d20\uff0c\u80af\u5b9a\u4f1a\u5f71\u54cd\u5230\u5e95\u5c42\u6570\u7ec4\u53ca\u76f8\u5173\u5207\u7247\nsummer[0]="JUNE"\n\nfmt.Println(months) \/\/ \u5e95\u5c42\u6570\u7ec4\u6539\u53d8\uff1a[ ...... JUNE ......]\nfmt.Println(Q2)     \/\/ \u76f8\u5173\u5207\u7247\u4e5f\u53d8\uff1a[April May JUNE]<\/code><\/pre>\n
    \"\"<\/div><\/p>\n
    2.3 \u5bf9\u5207\u7247\u8fdb\u884c\u5207\u7247\u64cd\u4f5c\u5f97\u5230\u5207\u7247\u7c7b\u578b<\/h3>\n
    \u6ce8\u610f\uff1a<\/p>\n
    1\u3001\u5bf9\u4e00\u4e2a\u5207\u7247\u518d\u8fdb\u884c\u5207\u7247\u64cd\u4f5c\uff0c\u7ed3\u675f\u4f4d\u7f6e\u80fd\u8fbe\u5230\u7684\u6700\u5927\u503c\u662f\u5207\u7247\u7684\u5bb9\u91cf\uff0c\u800c\u4e0d\u662f\u957f\u5ea6<\/p>\n
    2\u3001\u5bf9\u4e00\u5207\u7247\u8fdb\u884c\u5207\u7247\u64cd\u4f5c\uff0c\u5982\u679c\u8d77\u59cb\u4f4d\u7f6e\u662f0\uff0c\u4ee3\u8868\u7684\u662f\u5207\u7247\u7684\u7b2c\u4e00\u4e2a\u5143\u7d20\uff0c\u800c\u5207\u7247\u7684\u7b2c\u4e00\u4e2a\u5143\u7d20\u5e76\u4e0d\u4e00\u5b9a\u5c31\u662f\u5e95\u5c42\u6570\u7ec4\u7684\u7b2c\u4e00\u4e2a\u5143\u7d20\uff0c\u7ed3\u675f\u4f4d\u7f6e\u540c\u7406\u3002<\/p>\n
    \/\/1\u3001\u4ee5\u4e0a\u8ff0\u5207\u7247\u7c7b\u578bsummer\u4e3a\u4f8b\nsummer := months[6:9]  \/\/ summer\u5207\u7247\u7684\u957f\u5ea6\u4e3a3\uff0c\u5bb9\u91cf\u4e3a7\n\n\/\/ 2\u3001\u5bf9\u5207\u7247\u7c7b\u578b\u518d\u6267\u884c\u5207\u7247\u64cd\u4f5c\uff0c\u533a\u95f4\u6700\u5c0f\u503c\u4e3a0\uff0c\u6700\u5927\u503c\u4e3a\u5207\u7247\u5bb9\u91cf7\uff0c0\u6307\u7684\u662f\u5207\u7247\u7684\u7b2c\u4e00\u4e2a\u5143\u7d20\u800c\u975e\u5e95\u5c42\u6570\u7ec4\u7684\n\/\/ 2.1 \u7ed3\u675f\u4f4d\u7f6e\u53ef\u4ee5\u8d85\u8fc7\u539f\u5207\u7247\u7684\u957f\u5ea63\nfmt.Println(summer)         \/\/ [June July August]\nfmt.Println(summer[:7])     \/\/ [June July August September October November December]\nfmt.Printf("%T",summer[:7]) \/\/ \u7c7b\u578b\u4e3a\u5207\u7247\u7c7b\u578b\uff1a[]string\n\n\/\/ 2.2 \u4f46\u662f\u7ed3\u675f\u4f4d\u7f6e\u7edd\u5bf9\u4e0d\u80fd\u8d85\u8fc7\u539f\u5207\u7247\u7684\u5bb9\u91cf7\nfmt.Println(summer[:8]) \/\/ \u5f02\u5e38panic: out of range<\/code><\/pre>\n
    2.4 \u5bf9\u6307\u5411\u6570\u7ec4\u6216\u5207\u7247\u7684\u6307\u9488\u8fdb\u884c\u5207\u7247\u64cd\u4f5c\u6765\u5f97\u5230\u5207\u7247\u7c7b\u578b<\/h3>\n
    \u6ce8\u610f\uff1a<\/p>\n
    \u6570\u7ec4\u662f\u503c\u7c7b\u578b\uff0c\u53d6\u5176\u6307\u9488\u662f\u6709\u610f\u4e49\u7684\uff1a\u5f15\u7528\u4f20\u9012<\/p>\n
    \u800c\u5207\u7247\u672c\u8eab\u5c31\u662f\u5f15\u7528\u7c7b\u578b\uff0c\u5f53\u7136\u4e5f\u53ef\u4ee5\u53d6\u5176\u6307\u9488\uff0c\u4f46\u7528\u5904\u4e0d\u5927\uff0c\u4e86\u89e3\u5373\u53ef<\/p>\n
    months := [...]string{1: "January", 2: "February", 3: "March", 4: "April", 5: "May", 6: "June", 7: "July", 8: "August", 9: "September", 10: "October", 11: "November", 12: "December"}\n\nx:=&months \/\/ x\u662f\u6307\u5411\u6570\u7ec4\u7684\u6307\u9488\n\nsummer := months[6:9]\ny:=&summer \/\/ y\u662f\u6307\u5411\u5207\u7247\u7684\u6307\u9488\n\nfmt.Println((*x)[0:3]) \/\/ [ January February]\nfmt.Println((*y)[0:3]) \/\/ [June July August]<\/code><\/pre>\n
    2.5 \u5bf9\u5b57\u7b26\u4e32\u8fdb\u884c\u5207\u7247\u64cd\u4f5c\u5f97\u5230\u5b50\u5b57\u7b26\u4e32<\/h3>\n
    \u6ce8\u610f\uff1a<\/p>\n
    1\u3001\u867d\u7136\u5b57\u7b26\u4e32\u7684\u5e95\u5c42\u5c31\u662f\u5b57\u8282\u5207\u7247\uff0c\u4f46\u662f\u5bf9\u4e8e\u5b57\u7b26\u4e32\u8fdb\u884c\u5207\u7247\u64cd\u4f5c\u5f97\u5230\u7684\u662f\u4e00\u4e2a\u65b0\u7684\u5b57\u7b26\u4e32<\/p>\n
    2\u3001\u5bf9[]byte\u8fdb\u884c\u5207\u7247\u64cd\u4f5c\u4f1a\u751f\u6210\u4e00\u4e2a\u65b0\u7684[]byte\uff0c\u6ce8\u610f\u4e0d\u662f\u5b57\u7b26\u4e32\u54e6<\/p>\n
    msg := "hi\u5403\u9e21\u5417"\n\n\/\/ \u5bf9\u5b57\u7b26\u4e32\u5207\u7247\u5f97\u5230\u5b50\u5b57\u7b26\u4e32,\u7ed3\u675f\u4f4d\u7f6e\u4e0d\u80fd\u8d85\u8fc7\u5b57\u7b26\u4e32\u7684\u957f\u5ea6\nres:=msg[0:5] \/\/ \u540c\u6837\u662f\u4ee5\u5b57\u8282\u5355\u4f4d\nfmt.Println(res) \/\/ hi\u5403\nfmt.Printf("%T\\n",res) \/\/ string\n\nres1:=[]byte(msg)\nfmt.Println(res1[0:3])        \/\/ [104 105 229]\nfmt.Printf("%T\\n",res1[0:3])  \/\/ []uint8,\u5373[]byte<\/code><\/pre>\n
    \u4e09 \u6570\u636e\u7c7b\u578b\u8f6c\u6362<\/h2>\n
    1\u3001\u5b57\u7b26\u4e32\u8f6c\u4e3a\u5207\u7247<\/p>\n
    []byte(\u5b57\u7b26\u4e32)\n\n[]rune(\u5b57\u7b26\u4e32)<\/code><\/pre>\n
    2\u3001\u5207\u7247\u8f6c\u5207\u7247<\/p>\n
    []rune(\u5207\u7247\u7c7b\u578b)<\/code><\/pre>\n
    \u56db \u57fa\u672c\u64cd\u4f5c<\/h2>\n
    4.1 \u589e\u5220\u6539\u67e5<\/h3>\n
    \u540c\u6570\u7ec4\u4e00\u6837\uff0c\u6d89\u53ca\u5230\u7d22\u5f15\u64cd\u4f5c\u65f6\uff0c\u7d22\u5f15\u5fc5\u987b\u662f\u975e\u8d1f\u6570<\/p>\n
    \uff081\uff09\u67e5\u8be2\uff1a<\/p>\n
    \u53d6\u6700\u540e\u4e00\u4e2a\u5143\u7d20\nvar cityArray = []string{"\u5317\u4eac", "\u4e0a\u6d77", "\u6df1\u5733"}\nfmt.Println(cityArray[0])        \/\/ \u5317\u4eac\nfmt.Println(cityArray[len(cityArray)-1]) \/\/ \u6df1\u5733\nfmt.Println(cityArray[-1]) \/\/ \u9519\u8bef\uff0c\u7d22\u5f15\u5fc5\u987b\u662f\u975e\u8d1f\u7684<\/code><\/pre>\n
    \uff082\uff09\u4fee\u6539<\/p>\n
    cityArray[1] = "\u9b54\u90fd"\nfmt.Println(cityArray)  \ncityArray[666] = "\u9b54\u90fd"  \/\/ \u7d22\u5f15\u4e0d\u5b58\u5728\u5219\u62a5\u9519<\/code><\/pre>\n
    \uff083\uff09\u589e\u52a0<\/p>\n
    \u6211\u4eec\u65e0\u6cd5\u6839\u636e\u4e0d\u5b58\u5728\u7684\u7d22\u5f15\u8fdb\u884c\u8d4b\u503c\u64cd\u4f5c\u6765\u4e3a\u5207\u7247\u6dfb\u52a0\u5143\u7d20\uff0c<\/p>\n
    s:=[]int{111,222,333}\ns[3]=444 \/\/ \u5f02\u5e38\uff1aindex out of range [3] with length 3<\/code><\/pre>\n
    \u9700\u8981\u6211\u4eec\u4f7f\u7528\u5185\u7f6e\u7684append\u51fd\u6570\uff0cappend\u51fd\u6570\u7684\u7279\u70b9\u662f\uff1a\u54ea\u6015\u64cd\u4f5c\u7684\u5207\u7247\u662f\u96f6\u503cnil\u5207\u7247\uff0c\u90fd\u4e0d\u9700\u4e3a\u5176\u521d\u59cb\u5316\u503c\u6216\u7528make\u5f00\u8f9f\u7a7a\u95f4\uff0c\u5c31\u53ef\u4ee5\u76f4\u63a5\u6267\u884cappend\u529f\u80fd\u5f00\u8f9f\u7a7a\u95f4\u52a0\u6dfb\u52a0\u5143\u7d20\u4e00\u6761\u9f99\u670d\u52a1<\/p>\n
    var s []int \/\/ \/\/ s == nil\n\/\/ 1\u3001\u53ef\u4ee5\u4e00\u6b21\u6dfb\u52a0\u4e00\u4e2a\u5143\u7d20\ns=append(s,111)  \/\/ append\u53ef\u80fd\u4f1a\u53d1\u751f\u6269\u5bb9\uff0c\u5e95\u5c42\u6570\u7ec4\u4f1a\u53d8\uff0c\u6240\u4ee5\u4e00\u5b9a\u8981\u63a5\u6536\u8fd4\u56de\u503c\n\n\/\/ 2\u3001\u4e5f\u53ef\u4ee5\u6dfb\u52a0\u591a\u4e2a\u5143\u7d20\ns=append(s,222,333,444)\n\n\/\/ 3\u3001\u4e5f\u6dfb\u52a0\u53e6\u4e00\u4e2a\u5207\u7247\u4e2d\u7684\u5143\u7d20\uff0c\u4f46\u662f\u9700\u8981\u5728\u540e\u9762\u52a0\u4e09\u4e2a\u70b9...\ns2:=[]int{555,666}\ns=append(s,s2...)\nfmt.Println(s) \/\/ [111 222 333 444 555 666]<\/code><\/pre>\n
    \uff084\uff09\u5220\u9664<\/p>\n
    Go\u8bed\u8a00\u4e2d\u5e76\u6ca1\u6709\u5220\u9664\u5207\u7247\u5143\u7d20\u7684\u4e13\u7528\u65b9\u6cd5\uff0c\u6211\u4eec\u53ef\u4ee5\u4f7f\u7528\u5207\u7247\u672c\u8eab\u7684\u7279\u6027\u6765\u5220\u9664\u5143\u7d20\u3002 \u4ee3\u7801\u5982\u4e0b\uff1a<\/p>\n
    func main() {\n    \/\/ \u4ece\u5207\u7247\u4e2d\u5220\u9664\u5143\u7d20\n    a := []int{30, 31, 32, 33, 34, 35, 36, 37}\n    \/\/ \u8981\u5220\u9664\u7d22\u5f15\u4e3a2\u7684\u5143\u7d20\n    a = append(a[:2], a[3:]...) \/\/ \u6ce8\u610f\u7b2c\u4e8c\u4e2a\u53c2\u6570\u540e\u9762\u8981\u52a0\u4e09\u4e2a\u70b9...\n    fmt.Println(a) \/\/[30 31 33 34 35 36 37]\n}<\/code><\/pre>\n
    \u603b\u7ed3\u4e00\u4e0b\u5c31\u662f\uff1a\u8981\u4ece\u5207\u7247a\u4e2d\u5220\u9664\u7d22\u5f15\u4e3aindex<\/code>\u7684\u5143\u7d20\uff0c\u64cd\u4f5c\u65b9\u6cd5\u662fa = append(a[:index], a[index+1:]...)<\/code><\/p>\n
    4.2 \u4e8c\u5143\u8fd0\u7b97<\/h3>\n
    \uff081\uff09\u5207\u7247\u5c5e\u4e8e\u590d\u5408\u7c7b\u578b\u4e2d\u7684\u5f15\u7528\u7c7b\u578b\uff0c\u590d\u5408\u7c7b\u578b\u4e2d\u7684\u5f15\u7528\u7c7b\u578b\u4e0d\u652f\u6301\u76f4\u63a5\u8fdb\u884c\u76f8\u7b49\u6027\u5224\u65ad\uff0c\u53ea\u80fd\u4e0enil\u76f4\u63a5\u8fdb\u884c\u76f8\u7b49\u6027\u5224\u65ad\uff0c<\/p>\n
    ps\uff1a\u5f15\u7528\u7c7b\u578b\u6240\u5305\u542b\u7684\u771f\u5b9e\u503c\u90fd\u6765\u81ea\u4e8e\u6216\u8005\u8bf4\u95f4\u63a5\u5f15\u7528\u4e8e\u5e95\u5c42\u6570\u7ec4\u4e2d\u7684\u5143\u7d20\uff0c\u800c\u6211\u4eec\u60f3\u6bd4\u8f83\u7684\u90fd\u662f\u503c\u800c\u4e0d\u662f\u5f15\u7528\uff0c\u6bd4\u8f83\u5f15\u7528\u4e5f\u6ca1\u6709\u610f\u4e49\uff0c\u4ee5\u5207\u7247\u4e3a\u4f8b\uff0c\u5176\u5e95\u5c42\u6570\u7ec4\u7684\u5143\u7d20\u90fd\u662f\u53ef\u4ee5\u968f\u65f6\u88ab\u4fee\u6539\u7684\uff0c<\/p>\n
    \/\/ \u4f8b1\nvar x = []int{11,22,33}\nvar y = []int{11,22,33}\nfmt.Println(x == y) \/\/ \u62a5\u9519\u5207\u7247\u53ea\u80fd\u4e0enil\u6bd4\u8f83\uff1a(slice can only be compared to nil\n\n\/\/ \u4f8b2\nvar a []string\nvar b []int\nvar c = []int{}\n\nfmt.Println(a == nil) \/\/true\nfmt.Println(b == nil) \/\/true\nfmt.Println(c == nil) \/\/false\nfmt.Println(c != nil) \/\/true\n\n\/\/ \u4f8b3\nvar x *int\nfmt.Println(x == nil) \/\/ true\n\nvar mmm = 666\nvar y *int = &mmm\nfmt.Println(y == nil) \/\/  false<\/code><\/pre>\n
    \u5982\u679c\u6211\u4eec\u5c31\u60f3\u8981\u6bd4\u8f83\u50cf\u5207\u7247\u8fd9\u79cd\u5f15\u7528\u7c7b\u578b\u662f\u5426\u76f8\u7b49\uff0c\u53ef\u4e0d\u53ef\u4ee5\u5462\uff1f\u4e5f\u53ef\u4ee5\uff0c\u601d\u8def\u5c31\u662f\u786e\u4fdd\u957f\u5ea6\u4e00\u6837\uff0c\u7136\u540e\u904d\u5386\u51fa\u5bf9\u5e94\u7684\u5143\u7d20\u624b\u52a8\u8fdb\u884c\u6bd4\u8f83\uff0c\u524d\u63d0\u662f<\/p>\n
    \u200b   I.\u5f85\u6bd4\u8f83\u7684\u4e24\u4e2a\u5207\u7247\u4e2d\uff0c\u5bf9\u5e94\u7684\u5143\u7d20\u5fc5\u987b\u662f\u540c\u7c7b\u578b<\/p>\n
    \u200b   II.\u5f85\u6bd4\u8f83\u7684\u4e24\u4e2a\u5207\u7247\u4e2d\uff0c\u5bf9\u5e94\u7684\u5143\u7d20\u5fc5\u987b\u662f\u53ef\u4ee5\u8fdb\u884c\u76f8\u7b49\u6027\u5224\u65ad\u7684<\/p>\n
    func equal(x, y []string) bool {\n    if len(x) != len(y) {\n        return false \/\/ \u4e24\u4e2a\u5207\u7247\u7c7b\u578b\u7684\u957f\u5ea6\u4e0d\u4e00\u6837\u76f4\u63a5\u8fd4\u56defalse\uff0c\u4ee3\u8868\u4e0d\u76f8\u7b49\n    }\n    for i := range x {\n        if x[i] != y[i] {\n            return false \/\/ \u4e24\u4e2a\u5207\u7247\u7c7b\u578b\u4f46\u51e1\u6709\u4e00\u7ec4\u5bf9\u5e94\u503c\u4e0d\u76f8\u7b49\u5c31\u8fd4\u56defalse\uff0c\u4ee3\u8868\u4e0d\u76f8\u7b49\n        }\n    }\n    return true \/\/ \u5982\u679c\u80fd\u591f\u6267\u884c\u8be5\u884c\u4ee3\u7801\uff0c\u8fd4\u56detrue\uff0c\u5219\u4ee3\u8868\u4e24\u4e2a\u5207\u7247\u662f\u76f8\u7b49\u7684\uff0c\u5373\u5e95\u5c42\u5143\u7d20\u4e00\u6837\n}<\/code><\/pre>\n
    \uff082\uff09\u5207\u7247\u4e0d\u53ef\u4ee5\u6bd4\u5927\u5c0f\uff0c\u82e5\u60f3\u6bd4\u8f83\uff0c\u53ef\u4ee5\u7f16\u5199\u51fd\u6570\u4f9d\u6b21\u53d6\u51fa\u5143\u7d20\u8fdb\u884c\u6bd4\u8f83\uff0c\u5c31\u50cf\u5b57\u7b26\u4e32\u6bd4\u5927\u5c0f\u7684\u5e95\u5c42\u539f\u7406\u4e00\u6837<\/p>\n
    \uff083\uff09\u6ce8\u610f\uff1a\u5982\u679c\u4f60\u9700\u8981\u6d4b\u8bd5\u4e00\u4e2aslice\u662f\u5426\u662f\u7a7a\u7684\uff0c\u4f7f\u7528len(s) == 0\u6765\u5224\u65ad\uff0c\u800c\u4e0d\u5e94\u8be5\u7528s == nil\u6765\u5224\u65ad\uff0c\u5982\u4e0b<\/p>\n
    \/\/1\u3001\u4e00\u4e2anil\u503c\u7684slice\u7684\u957f\u5ea6\u548c\u5bb9\u91cf\u90fd\u662f0\uff0c\u5982\u4e0b\u6240\u793a\nvar s []int    \/\/ len(s) == 0, s == nil\ns = nil        \/\/ len(s) == 0, s == nil\ns = []int(nil) \/\/ len(s) == 0, s == nil \/\/ \u57fa\u4e8e\u7c7b\u578b\u8f6c\u6362\u8868\u8fbe\u5f0f[]int(nil)\u751f\u4e00\u4e2a\u503c\u4e3anil\u7684\u5207\u7247\n\n\/\/2\u3001\u5f53\u7136\u4e5f\u6709\u975enil\u503c\u7684\u5207\u7247\u7684\u957f\u5ea6\u548c\u5bb9\u91cf\u4e5f\u662f0\uff0c\u4f8b\u5982[]int{}\u6216make([]int, 3)[3:]\ns = []int{}    \/\/ len(s) == 0, s != nil\ns = make([]int, 3)[3:] \/\/ \u540c\u4e0a<\/code><\/pre>\n
    \u5176\u5b9e\u4e00\u4e2anil\u503c\u7684slice\u7684\u884c\u4e3a\u548c\u5176\u5b83\u4efb\u610f0\u957f\u5ea6\u7684slice\u4e00\u6837\uff1b\u4f8b\u5982reverse(nil)\u4e5f\u662f\u5b89\u5168\u7684\u3002\u9664\u4e86\u6587\u6863\u5df2\u7ecf\u660e\u786e\u8bf4\u660e\u7684\u5730\u65b9\uff0c\u6240\u6709\u7684Go\u8bed\u8a00\u51fd\u6570\u5e94\u8be5\u4ee5\u76f8\u540c\u7684\u65b9\u5f0f\u5bf9\u5f85nil\u503c\u7684slice\u548c0\u957f\u5ea6\u7684slice\u3002<\/p>\n
    4.3 \u904d\u5386\u5207\u7247<\/h3>\n
    \u200b   \u5207\u7247\u7684\u904d\u5386\u65b9\u5f0f\u548c\u6570\u7ec4\u662f\u4e00\u81f4\u7684\uff0c\u652f\u6301\u7d22\u5f15\u904d\u5386\u548cfor range<\/code>\u904d\u5386\u3002<\/p>\n
    s := []string{"aaa", "bbb", "ccc"}\n\nfor i := 0; i < len(s); i++ {\n    fmt.Println(i, s[i])\n}\n\nfor index, value := range s {\n    fmt.Println(index, value)\n}<\/code><\/pre>\n
    4.4 \u4f7f\u7528copy()\u51fd\u6570\u590d\u5236\u5207\u7247<\/h3>\n
    \u200b   \u9996\u5148\u6211\u4eec\u6765\u770b\u4e00\u4e2a\u95ee\u9898\uff1a<\/p>\n
    func main() {\n    a := []int{1, 2, 3, 4, 5}\n    b := a\n    fmt.Println(a) \/\/[1 2 3 4 5]\n    fmt.Println(b) \/\/[1 2 3 4 5]\n    b[0] = 1000\n    fmt.Println(a) \/\/[1000 2 3 4 5]\n    fmt.Println(b) \/\/[1000 2 3 4 5]\n}<\/code><\/pre>\n
    \u7531\u4e8e\u5207\u7247\u662f\u5f15\u7528\u7c7b\u578b\uff0c\u6240\u4ee5a\u548cb\u5176\u5b9e\u90fd\u6307\u5411\u4e86\u540c\u4e00\u5757\u5185\u5b58\u5730\u5740\u3002\u4fee\u6539b\u7684\u540c\u65f6a\u7684\u503c\u4e5f\u4f1a\u53d1\u751f\u53d8\u5316\u3002<\/p>\n
    Go\u8bed\u8a00\u5185\u5efa\u7684copy()<\/code>\u51fd\u6570\u53ef\u4ee5\u8fc5\u901f\u5730\u5c06\u4e00\u4e2a\u5207\u7247\u7684\u6570\u636e\u590d\u5236\u5230\u53e6\u5916\u4e00\u4e2a\u5207\u7247\u7a7a\u95f4\u4e2d\uff0ccopy()<\/code>\u51fd\u6570\u7684\u4f7f\u7528\u683c\u5f0f\u5982\u4e0b\uff1a<\/p>\n
    copy(destSlice, srcSlice []T)<\/code><\/pre>\n
    copy\u51fd\u6570\u6709\u4e24\u4e2a\u53c2\u6570\uff1a<\/p>\n
      \n
    • srcSlice: \u6e90\u5207\u7247<\/li>\n
    • destSlice: \u76ee\u6807\u5207\u7247<\/li>\n<\/ul>\n
      \u4e3e\u4e2a\u4f8b\u5b50\uff1a<\/p>\n
      func main() {\n    \/\/ 1\u3001\u9996\u5148\u521d\u59cb\u5316\u597d\u4e24\u4e2a\u5207\u7247\uff0c\n    s1 := []int{1, 2, 3, 4, 5}\n    s2 := make([]int, 5, 5) \/\/ \u5fc5\u987b\u4e3as2\u5f00\u8f9f\u597d\u5185\u5b58\u7a7a\u95f4\uff0c\u96f6\u503c\u586b\u5145\uff0cnil\u5207\u7247\u4f1a\u62f7\u8d1d\u4e0d\u6210\u529f\n    fmt.Println(s1) \/\/[1 2 3 4 5]\n    fmt.Println(s2) \/\/[0 0 0 0 0]\n\n    \/\/ 2\u3001\u4f7f\u7528copy()\u51fd\u6570\u5c06\u6e90\u5207\u7247s1\u4e2d\u7684\u5143\u7d20\u590d\u5236\u5230\u76ee\u6807\u5207\u7247s2\n    copy(s2, s1)     \/\/ \u6ce8\u610f\uff1a\u6e90\u5207\u7247s1\u5728\u540e\uff0c\u76ee\u6807\u5207\u7247s2\u5728\u524d\n    fmt.Println(s1) \/\/[1 2 3 4 5]\n    fmt.Println(s2) \/\/[1 2 3 4 5]\n\n    \/\/ 3\u3001\u4fee\u6539s2\u4e0d\u4f1a\u5f71\u54cds1\n    s2[0] = 666\n    fmt.Println(s2) \/\/ [666 2 3 4 5]\n    fmt.Println(s1) \/\/ [1 2 3 4 5]\n}<\/code><\/pre>\n
      \u4e94 \u5728\u51fd\u6570\u53c2\u6570\u4e2d\u4f20\u9012<\/h2>\n
      \u200b   \u5207\u7247\u5728\u51fd\u6570\u53c2\u6570\u4e2d\u7684\u4f20\u9012\u5c5e\u4e8e\u201c\u5f15\u7528\u4f20\u9012\u201d\uff0c\u4e3a\u4e86\u8ba9\u5927\u5bb6\u66f4\u52a0\u6df1\u523b\u7406\u89e3\u5207\u7247\u7684\u7075\u6d3b\u4e4b\u5904\uff0c\u6211\u4eec\u5bf9\u6bd4\u6570\u7ec4\u4ee5\u53ca\u6570\u7ec4\u6307\u9488\u6765\u770b\u4e00\u4e0b\u3002<\/p>\n
      \u200b   \u56e0\u4e3a\u6570\u7ec4\u662f\u503c\u7c7b\u578b\uff0c\u4f20\u5165\u51fd\u6570\u540e\uff0c\u662f\u4e00\u4e2a\u65b0\u7684\u526f\u672c\uff0c\u5728\u51fd\u6570\u5185\u4fee\u6539\u5e76\u4e0d\u4f1a\u5f71\u54cd\u539f\u6570\u7ec4\uff0c\u82e5\u60f3\u4fee\u6539\uff0c\u90a3\u4e48\u5fc5\u987b\u4f20\u9012\u6570\u7ec4\u7684\u5f15\u7528\uff0c\u6211\u4eec\u53ef\u4ee5\u4f20\u9012\u6570\u7ec4\u6307\u9488<\/p>\n
      \/\/ \u63a5\u6536\u6307\u9488\u7c7b\u578b*[3]int\nfunc reverse(s *[5]int) {\n    for i, j := 0, len(*s)-1; i < j; i, j = i+1, j-1 {\n        (*s)[i], (*s)[j] = (*s)[j], (*s)[i]\n    }\n    \/\/fmt.Println(*s)\n}\n\nfunc main() {\n    x := [5]int{1, 2, 3, 4, 5}\n    fmt.Println(&x) \/\/ &[1 2 3 4 5]\n\n    \/\/ 1\u3001\u4f20\u5165\u6307\u9488\n    reverse(&x) \n    fmt.Println(x) \/\/ [5 4 3 2 1]\n}<\/code><\/pre>\n
      \u200b   \u4f46\u662f\u6307\u9488\u662f\u5bf9\u6570\u7ec4\u6574\u4f53\u8fdb\u884c\u5f15\u7528\uff0c\u5982\u679c\u6211\u4eec\u53ea\u60f3\u4fee\u6539\u6570\u7ec4\u7684\u67d0\u4e00\u90e8\u5206\uff0c\u90a3\u4e48\u4f20\u9012\u6570\u7ec4\u7684\u5207\u7247\u518d\u5408\u9002\u4e0d\u8fc7\u4e86\uff0c\u56e0\u4e3a\u5207\u7247\u53ef\u4ee5\u5f15\u7528\u6570\u7ec4\u7684\u5168\u90e8\u4e5f\u53ef\u4ee5\u5f15\u7528\u90e8\u5206<\/p>\n
      \/\/ \u63a5\u6536\u5207\u7247\u7c7b\u578b[]int\nfunc reverse(s []int) {\n    for i, j := 0, len(s)-1; i < j; i, j = i+1, j-1 {\n        s[i], s[j] = s[j], s[i]\n    }\n}\nfunc main() {\n    x := [5]int{1, 2, 3, 4, 5}\n\n    \/\/ 1\u3001\u4f20\u5165\u5207\u7247\uff0c\u5207\u7247\u5f15\u7528\u4e86\u6570\u7ec4\u7684\u5168\u90e8\u5143\u7d20\uff0c\u6b64\u65f6\u548c\u4f20\u5165\u6570\u7ec4\u6307\u9488\u7684\u6548\u679c\u4e00\u6837\n    reverse(x[:]) \n    fmt.Println(x) \/\/ \u6570\u7ec4\u5df2\u7ecf\u88ab\u6539\u6210\u4e86\uff1a[5 4 3 2 1]\n\n    \/\/ 2\u3001\u4f20\u5165\u5207\u7247\uff0c\u5207\u7247\u53ea\u5f15\u7528\u4e86\u524d\u4e24\u4e2a\u5143\u7d20\n    reverse(x[:2]) \/\/\n    fmt.Println(x) \/\/ \u53ea\u7ffb\u8f6c\u4e86\u524d\u4e24\u4e2a\u5143\u7d20\uff1a[4 5 3 2 1]\n\n    \/\/ 3\u3001\u4f20\u5165\u5207\u7247\uff0c\u5207\u7247\u53ea\u5f15\u7528\u4e86\u4ece\u7d22\u5f152\u4e00\u76f4\u5230\u6700\u540e\u6240\u6709\u7684\u5143\u7d20\n    reverse(x[2:])\n    fmt.Println(x) \/\/ [4 5 1 2 3]\n}<\/code><\/pre>\n
      \u516d \u5207\u7247\u6269\u5bb9<\/h2>\n
      \u5148\u6765\u590d\u4e60\u4e00\u4e2a\u91cd\u8981\u7684\u77e5\u8bc6\uff1a<\/p>\n
        \n
      • %p\u5bf9\u5e94\u5207\u7247\u540d\uff0c\u6253\u5370\u51fa\u7684\u5730\u5740\u662f\u5176\u5bf9\u5e94\u5e95\u5c42\u6570\u7ec4\u7b2c\u4e00\u4e2a\u5143\u7d20\u7684\u5730\u5740<\/li>\n
      • %p\u5bf9\u5e94&\u5207\u7247\u540d\uff0c\u6253\u5370\u7684\u624d\u662f\u5207\u7247\u672c\u8eab\u7684\u5730\u5740<\/li>\n<\/ul>\n
        var names [5]string = [5]string{"egon","EGON","EGON666","tom666","TOM777"}\nvar xxx []string = names[2:]\n\nfmt.Printf("%p\\n",xxx)  \/\/ 0xc00005c070\uff0c\u6b64\u65f6\u6253\u5370\u7684\u662f\u5207\u7247xxx\u9996\u5143\u7d20\u7684\u6307\u9488\uff0c\nfmt.Printf("%p\\n",&xxx)  \/\/ 0xc00000c060\uff0c\u6b64\u65f6\u6253\u5370\u7684\u624d\u662fxxx\u8fd9\u4e2a\u53d8\u91cf\u672c\u8eab\u7684\u5730\u5740<\/code><\/pre>\n
        \u6ce8\u610f\uff1a\u5982\u679c\u5207\u7247xxx\u5e95\u5c42\u6570\u7ec4\u6269\u5bb9\u4e86\uff0c\u56e0\u4e3axxx\u662f\u6307\u5411\u5e95\u5c42\u6570\u7ec4\u7684\uff0c\u6240\u4ee5xxx\u9996\u5143\u7d20\u5730\u5740\u80af\u5b9a\u53d8\uff0c\u4f46\u662fxxx\u672c\u8eab\u7684\u5730\u5740\u4e0d\u4f1a\u53d8\uff0c\u56e0\u4e3a\u59cb\u7ec8\u90fd\u662fxxx\u8fd9\u4e00\u4e2a\u53d8\u91cf\uff0c\u4e3e\u4f8b\u5982\u4e0b<\/p>\n
        \/\/ 1\u3001\u5148\u58f0\u660e\u4e00\u4e2a\u6570\u7ec4x\uff0c\u7136\u540e\u5bf9\u5176\u8fdb\u884c\u5207\u7247\u64cd\u4f5c\u5f97\u5230\u4e00\u4e2a\u5207\u7247y\u6307\u5411\u8be5\u6570\u7ec4\nvar x [9]int = [9]int{11, 22, 33, 44, 55, 66, 77, 88, 99}\nvar y = x[1:3:5]  \/\/ \u5207\u7247\u9996\u5143\u7d20\u6307\u5411\u6570\u7ec4\u7684\u7b2c2\u4e2a\u5143\u7d20\uff0c\u5207\u7247\u7684\u5bb9\u91cf\u4e3a4\uff0c\u53ef\u4ee5\u5f80\u91cc\u589e\u52a0\u503c\uff0c\u8d85\u8fc74\u5219\u6269\u5bb9\u6307\u5411\u4e00\u4e2a\u65b0\u6570\u7ec4\nfmt.Println(y)   \/\/ [22 33]\n\n\/\/ 2\u3001\u5207\u7247y\u7684\u9996\u5143\u7d20\u6307\u5411\u6570\u7ec4x\u7684\u7b2c2\u4e2a\u5143\u7d20\uff0c\u6240\u4ee5\u4e0b\u8ff0\u6253\u5370\u8f93\u51fa\u7ed3\u679c\u4e00\u6837\nfmt.Printf("%p\\n", &x[1]) \/\/ \u6253\u5370\u6570\u7ec4\u7b2c2\u4e2a\u5143\u7d20\u7684\u5730\u5740\uff1a0xc00012e008\nfmt.Printf("%p\\n", y)     \/\/ \u6253\u5370\u5207\u7247\u9996\u5143\u7d20\u7684\u5730\u5740\uff1a0xc00012e008\n\n\/\/ 3\u3001\u4fee\u6539\u5207\u7247\uff0c\u5c31\u4f1a\u4fee\u6539\u5176\u6307\u5411\u7684\u6570\u7ec4\uff0c\u5982\u4e0b\u5f80\u5207\u7247y\u91cc\u6dfb\u52a0\u5143\u7d20\u5176\u5b9e\u90fd\u6dfb\u52a0\u5230\u4e86\u5e95\u5c42\u6570\u7ec4\u91cc\uff0c\u4f46\u662f\u9700\u8981\u6ce8\u610f\u7684\u662f\u6570\u7ec4\u7684\u957f\u5ea6\u4e0d\u53d8\uff0c\u4e8e\u662f\u90fd\u53d8\u6210\u4e86\u8986\u76d6\ny = append(y, 666) \/\/ \u6dfb\u52a0\u7684666\u8986\u76d6\u4e86\u5e95\u5c42\u6570\u7ec4\u7684\u5143\u7d2044\ny = append(y, 777) \/\/ \u6dfb\u52a0\u7684777\u8986\u76d6\u4e86\u5e95\u5c42\u6570\u7ec4\u7684\u5143\u7d2055\nfmt.Println(y) \/\/ [22 33 666 777]\nfmt.Println(x) \/\/ [11 22 33 666 777 66 77 88 99]\n\nfmt.Printf("%p\\n", y) \/\/ \u6253\u5370\u5207\u7247\u9996\u5143\u7d20\u7684\u5730\u5740\uff0c\u8f93\u51fa\u8fd8\u662f\u540c\u4e0a\uff1a0xc000136008 \uff0c\u56e0\u4e3a\u672a\u8fbe\u5230\u5207\u7247\u5bb9\u91cf4\uff0c\u6240\u4ee5\u5207\u7247\u4ecd\u6307\u5411\u539f\u6570\u7ec4\n\n\/\/ 4\u3001\u7ee7\u7eed\u5f80\u5207\u7247\u91cc\u6dfb\u52a0\u503c\uff0c\u5219\u8d85\u8fc7\u4e86\u5207\u7247\u7684\u5bb9\u91cf4\ny = append(y, 888)\nfmt.Println(y)  \/\/ [11 22 33 666 777 888]\nfmt.Printf("%p\\n", y) \/\/ \u8f93\u51fa\u65b0\u5730\u5740\uff1a0xc000138000 \uff0c\u8d85\u8fc7\u5f53\u521d\u7684\u5207\u7247\u5bb9\u91cf4\uff0c\u5207\u7247\u6269\u5bb9\uff0c\u6307\u5411\u65b0\u7684\u5e95\u5c42\u6570\u7ec4\u7684\u9996\u5730\u5740\n\n\/\/ 5\u3001\u601d\u8003\uff1a\u6269\u5bb9\u524d\u540ey\u672c\u8eab\u7684\u5730\u5740\u662f\u5426\u6539\u53d8\uff1f\uff1f\uff1f\u53ef\u4ee5\u81ea\u5df1\u6d4b\u8bd5\u4e00\u4e0b\n\u7b54\u6848\uff1a\u4e0d\u53d8<\/code><\/pre>\n
        \u200b   \u6269\u5bb9\u89c4\u5219\u8be6\u89e3\u5982\u4e0b\uff1a<\/p>\n
        \u200b   \u6bcf\u4e2a\u5207\u7247\u4f1a\u6307\u5411\u4e00\u4e2a\u5e95\u5c42\u6570\u7ec4\uff0c\u5728\u6dfb\u52a0\u65b0\u5143\u7d20\u65f6\uff0c\u5982\u679c\u5e95\u5c42\u6570\u7ec4\u7684\u5bb9\u91cf\u591f\u7528\u5c31\u6b63\u5e38\u6dfb\u52a0\uff0c\u5426\u5219\uff0c\u5207\u7247\u5c31\u4f1a\u81ea\u52a8\u6309\u7167\u4e00\u5b9a\u7684\u7b56\u7565\u8fdb\u884c\u201c\u6269\u5bb9\u201d\uff0c\u6b64\u65f6go\u4f1a\u4e3a\u5207\u7247\u521b\u5efa\u65b0\u7684\u5e95\u5c42\u6570\u7ec4\uff0c\u7136\u540e\u5c06\u539f\u6570\u7ec4\u5143\u7d20copy\u5230\u65b0\u6570\u7ec4\u3002<\/p>\n
        \u200b   \u201c\u6269\u5bb9\u201d\u64cd\u4f5c\u5f80\u5f80\u53d1\u751f\u5728append()<\/code>\u51fd\u6570\u8c03\u7528\u65f6\uff0cappend()\u6267\u884c\u4e4b\u540e\uff0c\u5e95\u5c42\u7684\u6570\u7ec4\u6709\u53ef\u80fd\u5c31\u6362\u4e86\uff0c\u6240\u4ee5\u6211\u4eec\u901a\u5e38\u90fd\u9700\u8981\u7528\u539f\u53d8\u91cf\u63a5\u6536append\u51fd\u6570\u7684\u8fd4\u56de\u503c\uff0c\u4ece\u800c\u4fdd\u8bc1\u539f\u53d8\u91cf\u6307\u5411\u65b0\u7684\u5e95\u5c42\u6570\u7ec4<\/p>\n
        \/\/ \u793a\u4f8b\nvar numSlice []int \/\/\u6ce8\u610f\uff0cnumSlice\u7684\u5730\u5740\u4e0d\u4f1a\u53d8\uff0c\u4f46\u662f\u968f\u7740\u6269\u5bb9\u3001\u5176\u5e95\u5c42\u6307\u5411\u7684\u6570\u7ec4\u4f1a\u4ea7\u751f\u65b0\u7684\uff0c\u6240\u4ee5numSlice\u6307\u5411\u7684\u7b2c\u4e00\u4e2a\u5143\u7d20\u7684\u5730\u5740\u4f1a\u53d1\u751f\u53d8\u5316\nfmt.Printf("\u503c:%v \u957f\u5ea6:%d \u5bb9\u91cf:%d \u5730\u5740:%p\\n", numSlice, len(numSlice), cap(numSlice), numSlice)\n\nfor i := 0; i < 10; i++ {\n    numSlice = append(numSlice, i)\n    fmt.Printf("\u503c:%v \u957f\u5ea6:%d \u5bb9\u91cf:%d \u5730\u5740:%p\\n", numSlice, len(numSlice), cap(numSlice), numSlice)\n    \/\/ fmt.Printf("%p\\n",&numSlice) \/\/ \u6ce8\u610f\u6ce8\u610f\u6ce8\u610f\uff1a%p\u5bf9\u5e94&numSlice\uff0c\u8bfb\u53d6\u7684\u662fnumSlice\u672c\u8eab\u7684\u5730\u5740\uff0c\u65e0\u8bba\u5982\u4f55\u6269\u5bb9\uff0c\u662f\u4e0d\u4f1a\u53d1\u751f\u53d8\u5316\u7684\uff0c\u4f46\u662f%p\u5bf9\u5e94numSlice\u53d6\u7684\u5219\u662fnumSlice\u6307\u5411\u7684\u6570\u7ec4\u7684\u7b2c\u4e00\u4e2a\u5143\u7d20\u5730\u5740\uff0c\u662f\u4f1a\u968f\u7740\u6269\u5bb9\u800c\u53d1\u751f\u53d8\u5316\u7684\n}\n\n\/\/ \u8f93\u51fa\n\u503c:[] \u957f\u5ea6:0 \u5bb9\u91cf:0 \u5730\u5740:0x0 \/\/ \u521d\u59cb\u5bb9\u91cf\u4e3a0\uff0c\u4ee5\u6b64\u5bb9\u91cf\u4f5c\u4e3a\u5f00\u59cb\u4e14\u770b\u540e\u7eed\u6269\u5bb9\n\u503c:[0] \u957f\u5ea6:1 \u5bb9\u91cf:1 \u5730\u5740:0xc00010c020 \/\/ \u6b64\u524d\u5bb9\u91cf\u4e3a0\uff0c\u6dfb\u52a0\u65b0\u503c\uff0c\u5bb9\u91cf\u4e0d\u591f\uff0c\u6269\u5bb9\u4e3a1\n\u503c:[0 1] \u957f\u5ea6:2 \u5bb9\u91cf:2 \u5730\u5740:0xc00010c040 \/\/ \u6b64\u524d\u5bb9\u91cf\u4e3a1\uff0c\u6dfb\u52a0\u65b0\u503c\uff0c\u5bb9\u91cf\u4e0d\u591f\uff0c\u6269\u5bb9\u4e3a2\n\u503c:[0 1 2] \u957f\u5ea6:3 \u5bb9\u91cf:4 \u5730\u5740:0xc000118020 \/\/ \u6b64\u524d\u5bb9\u91cf\u4e3a2\uff0c\u6dfb\u52a0\u65b0\u503c\uff0c\u5bb9\u91cf\u4e0d\u591f\uff0c\u6269\u5bb9\u4e3a4\n\u503c:[0 1 2 3] \u957f\u5ea6:4 \u5bb9\u91cf:4 \u5730\u5740:0xc000118020 \/\/ \u6b64\u524d\u5bb9\u91cf\u4e3a4\uff0c\u6dfb\u52a0\u65b0\u503c\uff0c\u5bb9\u91cf\u591f\u7528\n\u503c:[0 1 2 3 4] \u957f\u5ea6:5 \u5bb9\u91cf:8 \u5730\u5740:0xc00011a040 \/\/ \u6b64\u524d\u5bb9\u91cf\u4e3a4\uff0c\u6dfb\u52a0\u65b0\u503c\uff0c\u5bb9\u91cf\u4e0d\u591f\uff0c\u6269\u5bb9\u4e3a8\n\u503c:[0 1 2 3 4 5] \u957f\u5ea6:6 \u5bb9\u91cf:8 \u5730\u5740:0xc00011a040 \/\/ \u6b64\u524d\u5bb9\u91cf\u4e3a8\uff0c\u6dfb\u52a0\u65b0\u503c\uff0c\u5bb9\u91cf\u591f\u7528\n\u503c:[0 1 2 3 4 5 6] \u957f\u5ea6:7 \u5bb9\u91cf:8 \u5730\u5740:0xc00011a040 \/\/ \u6b64\u524d\u5bb9\u91cf\u4e3a8\uff0c\u6dfb\u52a0\u65b0\u503c\uff0c\u5bb9\u91cf\u591f\u7528\n\u503c:[0 1 2 3 4 5 6 7] \u957f\u5ea6:8 \u5bb9\u91cf:8 \u5730\u5740:0xc00011a040 \/\/ \u6b64\u524d\u5bb9\u91cf\u4e3a8\uff0c\u6dfb\u52a0\u65b0\u503c\uff0c\u5bb9\u91cf\u591f\u7528\n\u503c:[0 1 2 3 4 5 6 7 8] \u957f\u5ea6:9 \u5bb9\u91cf:16 \u5730\u5740:0xc00011e000 \/\/ \u6b64\u524d\u5bb9\u91cf\u4e3a8\uff0c\u6dfb\u52a0\u65b0\u503c\uff0c\u5bb9\u91cf\u4e0d\u591f\uff0c\u6269\u5bb916\n\u503c:[0 1 2 3 4 5 6 7 8 9] \u957f\u5ea6:10 \u5bb9\u91cf:16 \u5730\u5740:0xc00011e000 \/\/ \u6b64\u524d\u5bb9\u91cf\u4e3a8\uff0c\u6dfb\u52a0\u65b0\u503c\uff0c\u5bb9\u91cf\u591f\u7528<\/code><\/pre>\n
        \u200b    \u57fa\u4e8e\u4e0a\u8ff0\u8f93\u51fa\u7ed3\u679c\u53ef\u4ee5\u770b\u51fa<\/p>\n
        1\u3001append()\u51fd\u6570\u5c06\u5143\u7d20\u8ffd\u52a0\u5230\u5207\u7247\u7684\u6700\u540e\u5e76\u8fd4\u56de\u8be5\u5207\u7247\u3002\n2\u3001\u5207\u7247numSlice\u7684\u5bb9\u91cf\u6309\u71671\uff0c2\uff0c4\uff0c8\uff0c16\u8fd9\u6837\u7684\u89c4\u5219\u81ea\u52a8\u8fdb\u884c\u6269\u5bb9\uff0c\u6bcf\u6b21\u6269\u5bb9\u540e\u90fd\u662f\u6269\u5bb9\u524d\u76842\u500d\uff0c\u6ce8\u610f\u662f\u4e4b\u524d\u76842\u500d\uff0c\u5982\u679c\u8d77\u59cb\u5bb9\u91cf\u4e3a3\uff0c\u90a3\u4e48\u63a5\u4e0b\u6765\u7684\u6269\u5bb9\u5c31\u662f6\u300112\u300124...<\/code><\/pre>\n
        \u200b   \u6269\u5c55\u9605\u8bfb\uff1a\u5207\u7247\u7684\u6269\u5bb9\u7b56\u7565<\/p>\n
        \u53ef\u4ee5\u901a\u8fc7\u67e5\u770b$GOROOT\/src\/runtime\/slice.go\u6e90\u7801\uff0c\u5176\u4e2d\u6269\u5bb9\u76f8\u5173\u4ee3\u7801\u5982\u4e0b\uff1a\n\nfunc growslice(et *_type, old slice, cap int) slice {\n    \/\/ \u4e0b\u9762\u4ee3\u7801\u7701\u7565\n    ...\n\n    \/\/ \u5173\u952e\u4ee3\u7801\u5982\u4e0b\n    newcap := old.cap\n    doublecap := newcap + newcap  \/\/ doublecap\u4e3a\u65e7\u5bb9\u91cf\u7684\u4e24\u500d\n    if cap > doublecap {          \/\/ cap\u4e3a\u65b0\u7533\u8bf7\u7684\u5bb9\u91cf\n        newcap = cap\n    } else {\n        \/\/ \u5c0f\u4e8e1024\uff0c\u5219*2\u6269\u5bb9\n        if old.len < 1024 {\n            newcap = doublecap\n        } else {\n            \/\/ \u5426\u5219\uff0c\u90a3\u5c31\u662f\u5927\u4e8e\u7b49\u540c1024\uff0c\u5219*1.25\u6269\u5bb9\n            \/\/ Check 0 < newcap to detect overflow\n            \/\/ and prevent an infinite loop.\n            for 0 < newcap && newcap < cap {\n                newcap += newcap \/ 4\n            }\n            \/\/ Set newcap to the requested cap when\n            \/\/ the newcap calculation overflowed.\n            if newcap <= 0 { \n                newcap = cap\n            }\n        }\n    }\n\n    \/\/ \u4e0b\u9762\u4ee3\u7801\u7701\u7565\n    ...\n}\n\u4ece\u4e0a\u9762\u7684\u4ee3\u7801\u53ef\u4ee5\u770b\u51fa\u4ee5\u4e0b\u5185\u5bb9\uff1a\n1\u3001\u9996\u5148\u5224\u65ad\uff0c\u5982\u679c\u65b0\u7533\u8bf7\u5bb9\u91cf\uff08cap\uff09\u5927\u4e8e2\u500d\u7684\u65e7\u5bb9\u91cf\uff08old.cap\uff09\uff0c\u6700\u7ec8\u5bb9\u91cf\uff08newcap\uff09\u5c31\u662f\u65b0\u7533\u8bf7\u7684\u5bb9\u91cf\uff08cap\uff09\u3002\n2\u3001\u5426\u5219\u5224\u65ad\uff0c\u5982\u679c\u65e7\u5207\u7247\u7684\u957f\u5ea6\u5c0f\u4e8e1024\uff0c\u5219\u6700\u7ec8\u5bb9\u91cf(newcap)\u5c31\u662f\u65e7\u5bb9\u91cf(old.cap)\u7684\u4e24\u500d\uff0c\u5373\uff08newcap=doublecap\uff09\uff0c\n3\u3001\u5426\u5219\u5224\u65ad\uff0c\u5982\u679c\u65e7\u5207\u7247\u957f\u5ea6\u5927\u4e8e\u7b49\u4e8e1024\uff0c\u5219\u6700\u7ec8\u5bb9\u91cf\uff08newcap\uff09\u4ece\u65e7\u5bb9\u91cf\uff08old.cap\uff09\u5f00\u59cb\u5faa\u73af\u589e\u52a0\u539f\u6765\u76841\/4\uff0c\u5373\uff08newcap=old.cap,for {newcap += newcap\/4}\uff09\u76f4\u5230\u6700\u7ec8\u5bb9\u91cf\uff08newcap\uff09\u5927\u4e8e\u7b49\u4e8e\u65b0\u7533\u8bf7\u7684\u5bb9\u91cf(cap)\uff0c\u5373\uff08newcap >= cap\uff09\n4\u3001\u5982\u679c\u6700\u7ec8\u5bb9\u91cf\uff08cap\uff09\u8ba1\u7b97\u503c\u6ea2\u51fa\uff0c\u5219\u6700\u7ec8\u5bb9\u91cf\uff08cap\uff09\u5c31\u662f\u65b0\u7533\u8bf7\u5bb9\u91cf\uff08cap\uff09\u3002<\/code><\/pre>\n
        \u9700\u8981\u6ce8\u610f\u7684\u662f<\/p>\n
          \n
        • 1\u3001\u5207\u7247\u6269\u5bb9\u8fd8\u4f1a\u6839\u636e\u5207\u7247\u4e2d\u5143\u7d20\u7684\u7c7b\u578b\u4e0d\u540c\u800c\u505a\u4e0d\u540c\u7684\u5904\u7406\uff0c\u6bd4\u5982int\u548cstring\u7c7b\u578b\u7684\u5904\u7406\u65b9\u5f0f\u5c31\u4e0d\u4e00\u6837\u3002<\/li>\n
        • 2\u3001\u6bcf\u6b21\u6269\u5bb9\u4f1a\u6d89\u53ca\u5230\u6570\u7ec4\u7684copy\uff0c\u7136\u540e\u751f\u6210\u65b0\u7684\u6570\u7ec4\uff08slice\u6307\u5411\u65b0\u7684\u6570\u7ec4\uff09\uff0c\u8fd9\u6837\u4f1a\u7ed9\u7cfb\u7edf\u5e26\u6765\u989d\u5916\u7684\u5f00\u9500\uff0c\u901a\u5e38\u6211\u4eec\u5728\u521b\u5efaslice\u7684\u65f6\u5019\uff0c\u5efa\u8bae\u4f7f\u7528make\u51fd\u6570\uff0c\u66f4\u5177\u4e1a\u52a1\u573a\u666f\u7ed9\u5b9a\u4e00\u4e2a\u5408\u9002\u7684cap\u5927\u5c0f\uff0c\u907f\u514dslice\u56e0\u4e3a\u6269\u5bb9\u800c\u53d1\u751f\u5e95\u5c42\u6570\u7ec4\u7684copy\u3002<\/li>\n<\/ul>\n
          \u4e03 \u5207\u7247\u7ec3\u4e60\u9898<\/h2>\n
            \n
          • 1\u3001\u8bf7\u91c7\u7528\u4e24\u79cd\u65b9\u5f0f\u58f0\u660e\u4e0e\u521d\u59cb\u5316\u5207\u7247<\/li>\n<\/ul>\n
            \/\/ \u65b9\u5f0f\u4e00\uff1a\u5148\u58f0\u660e\u5e76\u5f00\u8f9f\u7a7a\u95f4\u521d\u59cb\u5316\uff0c\u7136\u540e\u518d\u5f80\u7a7a\u95f4\u91cc\u585e\u8fdb\u503c\nvar names []string = make([]string,3,3)\nnames[0] = "egon"\nnames[1] = "bigegon"\nnames[2] = "smallegon"\n\n\/\/ \u65b9\u5f0f\u4e8c\uff1a\u4e00\u6b65\u5230\u4f4d\nvar names []string = []string{"aaa","bbbb","ccc"}\nfmt.Println(names[0])<\/code><\/pre>\n
              \n
            • 2\u3001\u8bf7\u5199\u51fa\u4e0b\u9762\u4ee3\u7801\u7684\u8f93\u51fa\u7ed3\u679c\u3002<\/li>\n<\/ul>\n
              func main() {\n    var a = make([]string, 5, 10)\n    for i := 0; i < 10; i++ {\n        a = append(a, fmt.Sprintf("%v", i))\n    }\n    fmt.Println(a) \/\/ [     0 1 2 3 4 5 6 7 8 9] \u524d\u97625\u4e2a\u7a7a\u4e32\uff0c\u56e0\u4e3amake\u5df2\u7ecf\u5f00\u8f9f\u4e865\u4e2a\u7a7a\u4e32\u7684\u7a7a\u95f4\u4e86\n}<\/code><\/pre>\n
                \n
              • 3\u3001\u8bf7\u4f7f\u7528\u5185\u7f6e\u7684sort<\/code>\u5305\u5bf9\u6570\u7ec4var a = [...]int{3, 7, 8, 9, 1}<\/code>\u8fdb\u884c\u6392\u5e8f<\/li>\n<\/ul>\n
                \u5229\u7528\u5185\u7f6e\u7684\u5305sort\uff0csort\u63a5\u6536\u7684\u662f\u5207\u7247\u7c7b\u578b\uff0c\u5207\u7247\u662f\u5bf9\u6570\u7ec4\u7684\u5f15\u7528\uff0c\u6240\u4ee5\u5bf9\u5207\u7247\u6392\u5e8f\u5c31\u662f\u5bf9\u6570\u7ec4\u6392\u5e8f\u5566<\/p>\n
                func main(){\n    var a = [...]int{3, 7, 8, 9, 1}\n    sort.Ints(a[:])\n    fmt.Println(a) \/\/ [1 3 7 8 9]\n}<\/code><\/pre>\n
                  \n
                • 4\u3001\u8bf7\u8bf4\u51fa\u4e0b\u8ff0\u4ee3\u7801\u6253\u5370\u7ed3\u679c<\/li>\n<\/ul>\n
                  \u5207\u7247\u7c7b\u578bx[start:stop:max] \u987e\u5934\u4e0d\u987e\u5c3e\uff0c\u4e0d\u6307\u5b9amax\uff0c\u4e0d\u5199max\u5219\u9ed8\u8ba4max\u4e3a\u5e95\u5c42\u6570\u7ec4\u6700\u5927\u7d22\u5f15,max-star\u5373\u5bb9\u91cf\uff0c\n\/\/ \u4f8b1\uff1a\nvar xxx = [5]int{111,222,333,444,555}\nyyy:=xxx[0:3]\nfmt.Println(len(yyy),cap(yyy))  \/\/ 3 5\n\n\/\/ \u4f8b2\uff1a\u5982\u4e0b\u6570\u7ec4\uff0c0\u53f7\u7d22\u5f15\u7528\u7684\u662f\u96f6\u503c\nmons:=[...]string{1: "January", 2: "February", 3: "March", 4: "April", 5: "May", 6: "June", 7: "July", 8: "August", 9: "September", 10: "October", 11: "November", 12: "December"}\nfmt.Println(len(mons))  \/\/ 13\n\nmon1:=mons[2:5:7] \/\/ max\u4e3a7\uff0cI\u5fc5\u987b\u6bd45\u5927\uff0ccap\u4e3a5\nmon2:=mons[1:3]   \/\/ max\u9ed8\u8ba4\u4e3a13\uff0ccap\u4e3a12\nfmt.Println(mon1,len(mon1),cap(mon1))\nfmt.Println(mon2,len(mon2),cap(mon2))<\/code><\/pre>\n
                    \n
                  • 5\u3001\u5bf9\u5207\u7247\u518d\u8fdb\u884c\u5207\u7247\u64cd\u4f5c<\/li>\n<\/ul>\n
                    \u5bf9\u5207\u7247\u518d\u8fdb\u884c\u5207\u7247\u64cd\u4f5c\uff0c\u7ed3\u675f\u4f4d\u7f6e\u4e0d\u80fd\u8d85\u8fc7\u5207\u7247\u7684\u5bb9\u91cf\uff0c\u4e5f\u5c31\u662f\u8bf4\u5bf9\u8c01\u5207\uff0c\u5c31\u4ee5\u8c01\u4e3a\u51c6\uff0c\u8fd9\u53e5\u8bdd\u9002\u7528\u4e8e\u5207\u7247\u64cd\u4f5c\u7684\u4e00\u5207\n\nvar xxx = make([]int,3,5)  \/\/ \u5207\u7247xxx\u7684\u5bb9\u91cf\u4e3a5\nxxx[0]=111\nxxx[1]=222\nxxx[2]=333\n\/\/xxx[3]=444 \/\/ \u62a5\u9519\uff0c\u5982\u679c\u60f3\u6dfb\u52a0\u5fc5\u987b\u7528append\nfmt.Println(len(xxx),cap(xxx)) \/\/ 3 5\n\nfmt.Println(xxx[0:3])\nfmt.Println(xxx[0:4])\nfmt.Println(xxx[0:5])\nfmt.Println(xxx[0:6])  \/\/ \u62a5\u9519\uff0c\u4e0d\u80fd\u8d85\u8fc7\u5207\u7247\u7684\u5bb9\u91cf5<\/code><\/pre>\n
                      \n
                    • 6\u3001\u5207\u7247slice\u7684\u5143\u7d20\u4e3amap\u7c7b\u578b\uff1a\u5207\u8bb0\u4e00\u70b9\uff0c\u5f15\u7528\u7c7b\u578b\u7684\u96f6\u503c\u90fd\u662fnil\uff0c\u8bf7\u8bf4\u51fa\u4e0b\u8ff0\u4ee3\u7801\u7684\u7ed3\u679c<\/li>\n<\/ul>\n
                      \/\/ \u4f8b1\nvar mapSlice []map[string]int\nfmt.Println(mapSlice == nil) \/\/ \u8f93\u51fa\uff1f\uff1f\uff1f\u7b54\u6848\uff1atrue\n\n\/\/ \u4f8b2\nvar mapSlice=make([]map[string]int,8,8)\nfmt.Println(mapSlice == nil) \/\/ \u8f93\u51fa\u7ed3\u679c\u662f\uff1f\uff1f\uff1f\u7b54\u6848\uff1afalse\nmapSlice[0]["\u6570\u5b66"] = 100 \/\/ \u80fd\u5426\u8d4b\u503c\u6210\u529f\uff1f\uff1f\uff1f\u7b54\u6848\uff1a\u4e0d\u80fd\n\n\/\/ \u867d\u7136\u4e0a\u8ff0\u7ed3\u679c\u4e3afalse\uff0c\u4f46\u4e5f\u53ea\u662f\u5b8c\u6210\u4e86\u5207\u7247mapSlice\u7684\u521d\u59cb\u5316\uff0c\u5e76\u6ca1\u6709\u5b8c\u6210\u5bf9\u6240\u5305\u542b\u5143\u7d20\u7684\u521d\u59cb\u8bdd\n\/\/ \u6211\u4eec\u5e94\u8be5\u4e3a\u5176\u8d4b\u4e88\u521d\u59cb\u5316\u7684\u503c\nmapSlice[0]= map[string]int{"\u6570\u5b66":99,"\u82f1\u8bed":98,"\u8bed\u6587":100}\nfmt.Println(mapSlice)<\/code><\/pre>\n
                        \n
                      • 7\u3001\u9009\u53d6\u5408\u9002\u7684\u6570\u636e\u7c7b\u578b\u5b58\u653e\u6bcf\u4e2a\u56fd\u5bb6\u7684\u91cd\u8981\u57ce\u5e02<\/li>\n<\/ul>\n
                        \/\/ \u5b9e\u73b0\uff1amap\u7684key\u4e3astring\u7c7b\u578b\uff0c\u4f46value\u4e3a\u5207\u7247\u7c7b\u578b\nvar sliceMap=make(map[string][]string)\nsliceMap["\u4e2d\u56fd"]=make([]string,3)\nsliceMap["\u4e2d\u56fd"][0]="\u5317\u4eac"\nsliceMap["\u4e2d\u56fd"][1]="\u4e0a\u6d77"\nsliceMap["\u4e2d\u56fd"][2]="\u6df1\u5733"\n\nsliceMap["\u7f8e\u56fd"]=make([]string,3)\nsliceMap["\u7f8e\u56fd"][0]="\u7ebd\u7ea6"\nsliceMap["\u7f8e\u56fd"][1]="\u6d1b\u6749\u77f6"\nsliceMap["\u7f8e\u56fd"][2]="\u829d\u52a0\u54e5"\n\nfmt.Println(sliceMap["\u4e2d\u56fd"]) \/\/ map[\u4e2d\u56fd:[\u5317\u4eac \u4e0a\u6d77 \u6df1\u5733]]\nfmt.Println(sliceMap["\u7f8e\u56fd"]) \/\/ \u7f8e\u56fd [\u7ebd\u7ea6 \u6d1b\u6749\u77f6 \u829d\u52a0\u54e5]\n\nfor k,v:=range sliceMap{\n    fmt.Println(k,v)\n    \/\/ loop1\uff1a\u4e2d\u56fd [100 200 300 0 0 0 0 0]\n    \/\/ loop2\uff1a\u7f8e\u56fd [\u7ebd\u7ea6 \u6d1b\u6749\u77f6 \u829d\u52a0\u54e5]\n\n}<\/code><\/pre>\n
                          \n
                        • 8\u3001\u4f7f\u7528slice\u6765\u6a21\u62dfstack\u64cd\u4f5c\uff0c\u5165\u6808\u5373\u5411slice\u4e2dappend\u5143\u7d20\uff0c\u51fa\u6808\u5219\u901a\u8fc7\u6536\u7f29slice\uff0c\u5f39\u51fa\u6808\u9876\u7684\u5143\u7d20\uff1a<\/li>\n<\/ul>\n
                          stack := []int{11, 22, 33}\n\n\/\/ \u5165\u6808\uff0c push\nstack = append(stack, 666)\nfmt.Println(stack)\n\n\/\/ \u51fa\u6808\uff0c pop\nstack = stack[:len(stack)-1]\nfmt.Println(stack)<\/code><\/pre>\n
                            \n
                          • 9\u3001\u901a\u8fc7\u5185\u7f6e\u7684copy\u51fd\u6570\u5c06\u540e\u9762\u7684\u5b50slice\u5411\u524d\u4f9d\u6b21\u79fb\u52a8\u4e00\u4f4d<\/li>\n<\/ul>\n
                            \/\/ \u628ai+1\u5230\u6700\u540e\u7684\u5143\u7d20\u4ecei\u7d22\u5f15\u7684\u4f4d\u7f6e\u5f00\u59cb\u62f7\u8d1d\/\u8986\u76d6\ncopy(list[i:],list[i+1:])  \n\n\u4f8b\nlist := []int{1,2,3,4,5,6}\ncopy(list[1:],list[1+1:]) \nfmt.Println(list)  \/\/ [1 3 4 5 6 6]<\/code><\/pre>\n
                              \n
                            • 10\u3001\u7528\u6700\u540e\u4e00\u4e2a\u5143\u7d20\u8986\u76d6\u60f3\u5220\u9664\u7684\u5143\u7d20\uff1a<\/li>\n<\/ul>\n
                              func remove(slice []int, i int) []int {\n    \/\/ \u4f7f\u7528\u6700\u540e\u4e00\u4e2a\u5143\u7d20\u8986\u76d6\u8981\u5220\u9664\u7684\u5143\u7d20\n    slice[i] = slice[len(slice)-1]\n    \/\/ \u8fd4\u56de\u65b0\u7684slice\n    return slice[:len(slice)-1]\n}<\/code><\/pre>\n
                                \n
                              • 11\u3001\u8f93\u5165\u5207\u7247\u548c\u8f93\u51fa\u5207\u7247\u5171\u7528\u4e00\u4e2a\u5e95\u5c42\u6570\u7ec4\uff0c\u8fd9\u53ef\u4ee5\u907f\u514d\u5206\u914d\u53e6\u4e00\u4e2a\u6570\u7ec4\uff0c\u4e0d\u8fc7\u539f\u6765\u7684\u6570\u636e\u5c06\u53ef\u80fd\u4f1a\u88ab\u8986\u76d6\uff1a\u4f8b\u5982<\/li>\n<\/ul>\n
                                func clearEmpty(strings []string) []string {\n    i := 0\n    for _, s := range strings {\n        if s != "" {\n            strings[i] = s\n            i++  \/\/ \u6ce8\u610fi\u4e0d\u662f\u6bcf\u6b21\u90fd\u7d2f\u52a01\uff0c\u800c\u662f\u6ee1\u8db3s!=""\u6761\u4ef6\u624d\u4f1a\n        }\n    }\n    return strings[:i]  \/\/ \u8fd9\u91cc\u53ef\u4ee5\u7528\u5230i\uff0ci\u7684\u503c\u4e3a1\u4e0d\u662f2\u4e0d\u662f2\u4e0d\u662f2\n}\n\nsrcSlice := []string{"egon1", "", "egon3"}\ndstSlice := clearEmpty(srcSlice)\n\nfmt.Printf("%q\\n", dstSlice) \/\/ ["egon1" "egon3"]\nfmt.Printf("%q\\n", srcSlice) \/\/ ["egon1" "egon3" "egon3"]<\/code><\/pre>\n
                                \u540c\u6837\u7684\uff0c\u4f7f\u7528append\u4e5f\u80fd\u5b9e\u73b0\u540c\u6837\u7684\u529f\u80fd\uff1a<\/p>\n
                                func clearEmpty2(strings []string) []string {\n    out := strings[:0] \/\/ 0\u957f\u5ea6\u5207\u7247\uff0c\u4e0estrings\u5207\u7247\u540c\u6307\u5411\u4e00\u4e2a\u5e95\u5c42\u6570\u7ec4\uff0cout\u7684\u5bb9\u91cf\u4e3a3\n    for _, s := range strings {\n        if s != "" {\n            out = append(out, s)\n        }\n    }\n    return out\n}\n\nsrcSlice := []string{"egon1", "", "egon3"}\n\/\/dstSlice := clearEmpty(srcSlice)\ndstSlice := clearEmpty2(srcSlice)\n\nfmt.Printf("%q\\n", dstSlice) \/\/ ["egon1" "egon3"]\nfmt.Printf("%q\\n", srcSlice) \/\/ ["egon1" "egon3" "egon3"]<\/code><\/pre>\n
                                \u65e0\u8bba\u5982\u4f55\u5b9e\u73b0\uff0c\u4ee5\u8fd9\u79cd\u65b9\u5f0f\u91cd\u7528\u4e00\u4e2aslice\u4e00\u822c\u90fd\u8981\u6c42\u6700\u591a\u4e3a\u6bcf\u4e2a\u8f93\u5165\u503c\u4ea7\u751f\u4e00\u4e2a\u8f93\u51fa\u503c\uff0c\u4e8b\u5b9e\u4e0a\u5f88\u591a\u8fd9\u7c7b\u7b97\u6cd5\u90fd\u662f\u7528\u6765\u8fc7\u6ee4\u6216\u5408\u5e76\u5e8f\u5217\u4e2d\u76f8\u90bb\u7684\u5143\u7d20\u3002<\/p>\n
                                \u8fd9\u79cdslice\u7528\u6cd5\u662f\u6bd4\u8f83\u590d\u6742\u7684\u6280\u5de7\uff0c\u867d\u7136\u4f7f\u7528\u5230\u4e86slice\u7684\u4e00\u4e9b\u6280\u5de7\uff0c\u4f46\u662f\u5bf9\u4e8e\u67d0\u4e9b\u573a\u5408\u662f\u6bd4\u8f83\u6e05\u6670\u548c\u6709\u6548\u7684\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"
                                \u590d\u5408\u6570\u636e\u7c7b\u578b\u4e4b\u5207\u7247Slice \u5207\u7247\u662f\u4e00\u79cd\u64cd\u4f5c\uff0c\u4e5f\u662f\u4e00\u79cd\u7c7b\u578b\uff01\uff01\uff01 \u4e00 \u5207\u7247\u7c7b\u578b 1.1 \u5207\u7247\u7c7b\u578b\u4ecb\u7ecd \u5207\u7247Sl […]<\/p>\n","protected":false},"author":3,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":[],"categories":[4,449],"tags":[],"_links":{"self":[{"href":"https:\/\/egonlin.com\/index.php?rest_route=\/wp\/v2\/posts\/7927"}],"collection":[{"href":"https:\/\/egonlin.com\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/egonlin.com\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/egonlin.com\/index.php?rest_route=\/wp\/v2\/users\/3"}],"replies":[{"embeddable":true,"href":"https:\/\/egonlin.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=7927"}],"version-history":[{"count":0,"href":"https:\/\/egonlin.com\/index.php?rest_route=\/wp\/v2\/posts\/7927\/revisions"}],"wp:attachment":[{"href":"https:\/\/egonlin.com\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=7927"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/egonlin.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=7927"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/egonlin.com\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=7927"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}