{"id":7938,"date":"2023-01-28T13:57:30","date_gmt":"2023-01-28T05:57:30","guid":{"rendered":"https:\/\/egonlin.com\/?p=7938"},"modified":"2023-01-28T13:57:30","modified_gmt":"2023-01-28T05:57:30","slug":"22-%e5%87%bd%e6%95%b0%e5%b5%8c%e5%a5%97","status":"publish","type":"post","link":"https:\/\/egonlin.com\/?p=7938","title":{"rendered":"22 \u51fd\u6570\u5d4c\u5957"},"content":{"rendered":"

\u51fd\u6570\u5d4c\u5957<\/h1>\n

\u4e00 \u5d4c\u5957\u5b9a\u4e49<\/h2>\n

\u5728Go\u8bed\u8a00\u4e2d\uff0c\u5b9a\u4e49\u5728\u51fd\u6570\u5185\u90e8\u7684\u51fd\u6570\u5fc5\u987b\u662f\u533f\u540d\u51fd\u6570<\/p>\n

\u4f8b1\uff1a<\/p>\n

func f1() {\n    func(x int, y int) { fmt.Println(x + y) }(1, 2)\n}\n\nfunc main() {\n    f1()   \/\/ 3\n}<\/code><\/pre>\n
\u4f8b2\uff1a<\/p>\n
func f2() func() {\n    return func() { fmt.Println("hello\u7eff\u6bdb\u5c0f\u4e4c\u9f9f") }\n}\n\nfunc main() {\n    f2()() \/\/ hello\u7eff\u6bdb\u5c0f\u4e4c\u9f9f\n}<\/code><\/pre>\n
\u4e8c \u5d4c\u5957\u8c03\u7528<\/h2>\n
\u5728\u51fd\u6570\u5185\u53c8\u8c03\u7528\u4e86\u5176\u4ed6\u51fd\u6570\uff0c\u5373\u51fd\u6570\u7684\u5d4c\u5957\u8c03\u7528<\/p>\n
func f1() {\n    fmt.Println("from f1")\n    f2()\n}\n\nfunc f2() {\n    fmt.Println("from f2")\n}\n\nfunc main() {\n    f1()\n}<\/code><\/pre>\n
\u4e09 \u5d4c\u5957\u8c03\u7528\u4e4b\u9012\u5f52\u8c03\u7528<\/h2>\n
3.1 \u9012\u5f52\u8c03\u7528<\/h3>\n
\u9012\u5f52\u8c03\u7528\u662f\u5d4c\u5957\u8c03\u7528\u4e00\u79cd\u7279\u6b8a\u5f62\u5f0f\uff0c\u5982\u679c\u5d4c\u5957\u8c03\u7528\u5230\u4e86\u51fd\u6570\u81ea\u5df1\uff0c\u5c31\u662f\u9012\u5f52\u8c03\u7528\u3002<\/p>\n
\u8be6\u7ec6\u5730\u8bf4\uff1a\u5728\u8c03\u7528\u4e00\u4e2a\u51fd\u6570\u65f6\uff0c\u8be5\u51fd\u6570\u5185\u53c8\u76f4\u63a5\u6216\u8005\u95f4\u63a5\u5730\u8c03\u7528\u4e86\u51fd\u6570\u81ea\u8eab\uff0c\u79f0\u4e4b\u4e3a\u9012\u5f52\u8c03\u7528<\/p>\n
\u4f8b1\uff1a\u76f4\u63a5\u8c03\u7528\u81ea\u5df1<\/p>\n
\"\"<\/div><\/p>\n
func f1() {\n    fmt.Println("from f1")\n    f1()\n}\n\nfunc main() {\n    f1()\n}<\/code><\/pre>\n
\u4f8b2\uff1a\u95f4\u63a5\u8c03\u7528\u81ea\u5df1<\/p>\n
\"\"<\/div><\/p>\n
func f1() {\n    fmt.Println("from f1")\n    f2()\n}\n\nfunc f2() {\n    fmt.Println("from f2")\n    f1()\n}\n\nfunc main() {\n    f1()\n}<\/code><\/pre>\n
3.2 \u56de\u6eaf\u4e0e\u9012\u63a8<\/h3>\n
\u9012\u5f52\u5176\u5b9e\u5c31\u662f\u7528\u51fd\u6570\u5b9e\u73b0\u7684\u5faa\u73af\uff0c\u57283.1\u5c0f\u8282\u4e2d\uff0c\u4e24\u4e2a\u4f8b\u5b50\u7684\u9012\u5f52\u8c03\u7528\u90fd\u662f\u4e00\u4e2a\u65e0\u9650\u5faa\u73af\u7684\u8fc7\u7a0b\uff0c\u800c\u65e0\u9650\u9012\u5f52\u662f\u6ca1\u6709\u610f\u4e49\u7684\uff0c\u56e0\u4e3a<\/p>\n
    \n
  • \n
    1\u3001\u6211\u4eec\u7684\u95ee\u9898\u901a\u5e38\u90fd\u662f\u5728\u6709\u9650\u6b21\u6570\u5185\u5c31\u5b8c\u6210\uff0c\u4e0d\u9700\u8981\u65e0\u9650\u6b21\u9012\u5f52<\/p>\n<\/li>\n
  • \n
    2\u3001\u6bcf\u8c03\u7528\u4e00\u4e2a\u51fd\u6570\u5c31\u4f1a\u5728\u6808\u533a\u65b0\u5f00\u8f9f\u4e00\u4e2a\u6808\u3001\u5e27\u7a7a\u95f4\uff0c\u8fd9\u610f\u5473\u7740\u65e0\u9650\u9012\u5f52\u4f1a\u5f15\u53d1\u6808\u6ea2\u51fa\u95ee\u9898fatal error: stack overflow<\/p>\n
    \u8865\u5145\u4e00\u4e2a\u91cd\u8981\u6982\u5ff5\uff1a\u6808\u3001\u5e27\u7a7a\u95f4\u662f\u4ec0\u4e48\uff1f<\/p>\n
    1\u3001\u5e27\uff1a\n\u51fd\u6570\u8c03\u7528\u4f1a\u5728\u5185\u5b58\u5f62\u6210\u4e00\u4e2a\"\u8c03\u7528\u8bb0\u5f55\"\uff0c\u53c8\u79f0\"\u8c03\u7528\u5e27\"\uff08call frame\uff09\uff0c\u4fdd\u5b58\u8c03\u7528\u4f4d\u7f6e\u548c\u5185\u90e8\u53d8\u91cf\u7b49\u4fe1\u606f\u3002\n\n2\u3001\u6808\uff1a\n\u5982\u679c\u5728\u51fd\u6570A\u7684\u5185\u90e8\u8c03\u7528\u51fd\u6570B\uff0c\u90a3\u4e48\u5728A\u7684\u8c03\u7528\u8bb0\u5f55\u4e0a\u65b9\uff0c\u8fd8\u4f1a\u5f62\u6210\u4e00\u4e2aB\u7684\u8c03\u7528\u8bb0\u5f55\u3002\u7b49\u5230B\u8fd0\u884c\u7ed3\u675f\uff0c\u5c06\u7ed3\u679c\u8fd4\u56de\u5230A\uff0cB\u7684\u8c03\u7528\u8bb0\u5f55\u624d\u4f1a\u6d88\u5931\u3002\u5982\u679c\u51fd\u6570B\u5185\u90e8\u8fd8\u8c03\u7528\u51fd\u6570C\uff0c\u90a3\u5c31\u8fd8\u6709\u4e00\u4e2aC\u7684\u8c03\u7528\u8bb0\u5f55\u6808\uff0c\u4ee5\u6b64\u7c7b\u63a8\u3002\u6240\u6709\u7684\u8c03\u7528\u8bb0\u5f55\uff0c\u5c31\u5f62\u6210\u4e00\u4e2a[\"\u8c03\u7528\u6808\"]()\uff08call stack\uff09\u3002\n\n\u6b64\u5916\u9700\u77e5\uff1a\u6808\u3001\u5e27\u7a7a\u95f4\u662f\u4e00\u5757\u53d7\u4fdd\u62a4\u7684\u72ec\u7acb\u7a7a\u95f4\uff0c\u5e76\u4e14\u5176\u4ed6\u6808\u5e27\u7a7a\u95f4\u9694\u79bb<\/code><\/pre>\n<\/li>\n<\/ul>\n
    \"\"<\/div><\/p>\n
    \u6240\u4ee5\uff0c\u6211\u4eec\u5fc5\u987b\u8ba9\u9012\u5f52\u8c03\u7528\u5728\u6ee1\u8db3\u67d0\u4e2a\u7279\u5b9a\u6761\u4ef6\u4e0b\u7ec8\u6b62\uff0c\u5373\u4e00\u4e2a\u6b63\u786e\u7684\u9012\u5f52\u8c03\u7528\u5e94\u8be5\u5206\u4e3a\u4e24\u4e2a\u9636\u6bb5<\/p>\n
      \n
    • \n
      1\u3001\u56de\u6eaf\uff1a\u5411\u4e0b\u4e00\u5c42\u4e00\u5c42\u9012\u5f52\u8c03\u7528\u4e0b\u53bb<\/p>\n<\/li>\n
    • \n
      2\u3001\u9012\u63a8\uff1a\u56de\u6eaf\u9636\u6bb5\u9047\u5230\u7ed3\u675f\u6761\u4ef6\u5219\u7ed3\u675f\uff0c\u5f00\u59cb\u5411\u4e0a\u4e00\u5c42\u4e00\u5c42\u9012\u63a8\u3002\u56de\u6eaf\u4e0e\u9012\u63a8\u7684\u5206\u6c34\u5cad\u5c31\u662f\u7ed3\u675f\u6761\u4ef6<\/p>\n<\/li>\n<\/ul>\n
      \u4e0b\u9762\u6211\u4eec\u7528\u4e00\u4e2a\u6d45\u663e\u7684\u4f8b\u5b50\uff0c\u4e3a\u4e86\u8ba9\u8bfb\u8005\u9610\u91ca\u9012\u5f52\u7684\u539f\u7406\u548c\u4f7f\u7528\uff1a<\/p>\n
      \u67d0\u516c\u53f8\u56db\u4e2a\u5458\u5de5\u5750\u5728\u4e00\u8d77\uff0c\u95ee\u7b2c\u56db\u4e2a\u4eba\u85aa\u6c34\uff0c\u4ed6\u8bf4\u6bd4\u7b2c\u4e09\u4e2a\u4eba\u591a1000\uff0c\u95ee\u7b2c\u4e09\u4e2a\u4eba\u85aa\u6c34\uff0c\u7b2c\u4ed6\u8bf4\u6bd4\u7b2c\u4e8c\u4e2a\u4eba\u591a1000\uff0c\u95ee\u7b2c\u4e8c\u4e2a\u4eba\u85aa\u6c34\uff0c\u4ed6\u8bf4\u6bd4\u7b2c\u4e00\u4e2a\u4eba\u591a1000\uff0c\u6700\u540e\u7b2c\u4e00\u4eba\u8bf4\u81ea\u5df1\u6bcf\u67085000\uff0c\u8bf7\u95ee\u7b2c\u56db\u4e2a\u4eba\u7684\u85aa\u6c34\u662f\u591a\u5c11\uff1f<\/p>\n
      \u601d\u8def\u89e3\u6790\uff1a<\/p>\n
      \u8981\u77e5\u9053\u7b2c\u56db\u4e2a\u4eba\u7684\u6708\u85aa\uff0c\u5c31\u5fc5\u987b\u77e5\u9053\u7b2c\u4e09\u4e2a\u4eba\u7684\uff0c\u7b2c\u4e09\u4e2a\u4eba\u7684\u53c8\u53d6\u51b3\u4e8e\u7b2c\u4e8c\u4e2a\u4eba\u7684\uff0c\u7b2c\u4e8c\u4e2a\u4eba\u7684\u53c8\u53d6\u51b3\u4e8e\u7b2c\u4e00\u4e2a\u4eba\u7684\uff0c\u800c\u4e14\u6bcf\u4e00\u4e2a\u5458\u5de5\u90fd\u6bd4\u524d\u4e00\u4e2a\u591a\u4e00\u5343\uff0c\u6570\u5b66\u8868\u8fbe\u5f0f\u5373\uff1a<\/p>\n
      salary(4)=salary(3)+1000\nsalary(3)=salary(2)+1000\nsalary(2)=salary(1)+1000\nsalary(1)=5000\n\n\u603b\u7ed3\u4e3a\uff1a\nsalary(n)=salary(n-1)+1000 (n>1)\nsalary(1)=5000 (n=1)<\/code><\/pre>\n
      \u5f88\u660e\u663e\u8fd9\u662f\u4e00\u4e2a\u9012\u5f52\u7684\u8fc7\u7a0b\uff0c\u53ef\u4ee5\u5c06\u8be5\u8fc7\u7a0b\u5206\u4e3a\u4e24\u4e2a\u9636\u6bb5\uff1a\u56de\u6eaf\u548c\u9012\u63a8\u3002<\/p>\n
      \u200b    \u5728\u56de\u6eaf\u9636\u6bb5\uff0c\u8981\u6c42\u7b2cn\u4e2a\u5458\u5de5\u7684\u85aa\u6c34\uff0c\u9700\u8981\u56de\u6eaf\u5f97\u5230(n-1)\u4e2a\u5458\u5de5\u7684\u85aa\u6c34\uff0c\u4ee5\u6b64\u7c7b\u63a8\uff0c\u76f4\u5230\u5f97\u5230\u7b2c\u4e00\u4e2a\u5458\u5de5\u7684\u85aa\u6c34\uff0c\u6b64\u65f6\uff0csalary(1)\u5df2\u77e5\uff0c\u56e0\u800c\u4e0d\u5fc5\u518d\u5411\u524d\u56de\u6eaf\u4e86\u3002\u7136\u540e\u8fdb\u5165\u9012\u63a8\u9636\u6bb5\uff1a\u4ece\u7b2c\u4e00\u4e2a\u5458\u5de5\u7684\u85aa\u6c34\u53ef\u4ee5\u63a8\u7b97\u51fa\u7b2c\u4e8c\u4e2a\u5458\u5de5\u7684\u85aa\u6c34(6000)\uff0c\u4ece\u7b2c\u4e8c\u4e2a\u5458\u5de5\u7684\u85aa\u6c34\u53ef\u4ee5\u63a8\u7b97\u51fa\u7b2c\u4e09\u4e2a\u5458\u5de5\u7684\u85aa\u6c34(7000)\uff0c\u4ee5\u6b64\u7c7b\u63a8\uff0c\u4e00\u76f4\u63a8\u7b97\u51fa\u7b2c\u7b2c\u56db\u4e2a\u5458\u5de5\u7684\u85aa\u6c34(8000)\u4e3a\u6b62\uff0c\u9012\u5f52\u7ed3\u675f\u3002\u9700\u8981\u6ce8\u610f\u7684\u4e00\u70b9\u662f\uff0c\u9012\u5f52\u4e00\u5b9a\u8981\u6709\u4e00\u4e2a\u7ed3\u675f\u6761\u4ef6\uff0c\u8fd9\u91ccn=1\u5c31\u662f\u7ed3\u675f\u6761\u4ef6\u3002<\/p>\n
      \"\"<\/div><\/p>\n
      \u4ee3\u7801\u5b9e\u73b0<\/p>\n
      func salary(n int) int {\n    if n == 1 {\n        return 5000\n    }\n    return salary(n-1) + 5000\n}\nfunc main() {\n    s := salary(4)\n    fmt.Println(s)\n}<\/code><\/pre>\n
      \u6267\u884c\u7ed3\u679c<\/p>\n
      8000<\/code><\/pre>\n
      \u7a0b\u5e8f\u5206\u6790\uff1a<\/p>\n
      \u5728\u672a\u6ee1\u8db3n==1\u7684\u6761\u4ef6\u65f6\uff0c\u4e00\u76f4\u8fdb\u884c\u9012\u5f52\u8c03\u7528\uff0c\u5373\u4e00\u76f4\u56de\u6eaf\uff0c\u89c1\u56fe\u7684\u5de6\u534a\u90e8\u5206\u3002\u800c\u5728\u6ee1\u8db3n==1\u7684\u6761\u4ef6\u65f6\uff0c\u7ec8\u6b62\u9012\u5f52\u8c03\u7528\uff0c\u5373\u7ed3\u675f\u56de\u6eaf\uff0c\u4ece\u800c\u8fdb\u5165\u9012\u63a8\u9636\u6bb5\uff0c\u4f9d\u6b21\u63a8\u5bfc\u76f4\u5230\u5f97\u5230\u6700\u7ec8\u7684\u7ed3\u679c\u3002<\/p>\n
      \u4e86\u89e3\uff1a<\/p>\n
      \u5927\u90e8\u5206\u7f16\u7a0b\u8bed\u8a00\u4f7f\u7528\u56fa\u5b9a\u5927\u5c0f\u7684\u51fd\u6570\u8c03\u7528\u6808\uff0c\u5e38\u89c1\u7684\u5927\u5c0f\u4ece64KB\u52302MB\u4e0d\u7b49\u3002\u56fa\u5b9a\u5927\u5c0f\u6808\u4f1a\u9650\u5236\u9012\u5f52\u7684\u6df1\u5ea6\uff08\u4f8b\u5982python\uff09\uff0c\u5f53\u4f60\u7528\u9012\u5f52\u5904\u7406\u5927\u91cf\u6570\u636e\u65f6\uff0c\u9700\u8981\u907f\u514d\u6808\u6ea2\u51fa\uff1b\u9664\u6b64\u4e4b\u5916\uff0c\u8fd8\u4f1a\u5bfc\u81f4\u5b89\u5168\u6027\u95ee\u9898\u3002<\/p>\n
      \u800c\u5728Go\u8bed\u8a00\u4e2d\uff0c\u4f7f\u7528\u7684\u662f\u53ef\u53d8\u6808\uff0c\u6808\u7684\u5927\u5c0f\u6309\u9700\u589e\u52a0(\u521d\u59cb\u65f6\u5f88\u5c0f)\uff0c\u8fd9\u610f\u5473\u7740\u5728go\u4e2d\u4f7f\u7528\u9012\u5f52\u65f6\uff0c\u5927\u591a\u6570\u60c5\u51b5\u90fd\u4e0d\u9700\u8981\u8003\u8651\u6ea2\u51fa\u548c\u5b89\u5168\u95ee\u9898\uff0c\u524d\u63d0\u662f\u4f60\u7684\u9012\u5f52\u6709\u7ed3\u675f\u6761\u4ef6\u5e76\u4e14\u5c42\u7ea7\u4e0d\u662f\u7279\u522b\u591a\uff0c\u5f53\u7136\u4e86\uff0c\u5982\u679c\u5c42\u7ea7\u5f88\u591a\uff0c\u4e5f\u8fd8\u662f\u4f1a\u6808\u6ea2\u51fa<\/p>\n
      salary(99999999)  \/\/ fatal error: stack overflow<\/code><\/pre>\n
      3.3 \u4e86\u89e3\u5c3e\u9012\u5f52\u4f18\u5316<\/h3>\n
      go\u4e0d\u652f\u6301\u5c3e\u9012\u5f52\u4f18\u5316\uff0c\u4e0b\u8ff0\u6982\u5ff5\u4e86\u89e3\u5373\u53ef<\/strong><\/p>\n
      \u5c3e\u8c03\u7528\u7684\u6982\u5ff5\u975e\u5e38\u7b80\u5355\uff0c\u4e00\u53e5\u8bdd\u5c31\u80fd\u8bf4\u6e05\u695a\uff0c\u5c31\u662f\u6307\u67d0\u4e2a\u51fd\u6570\u7684\u6700\u540e\u4e00\u6b65\u662f\u8c03\u7528\u53e6\u4e00\u4e2a\u51fd\u6570\u3002\n\n\u5c3e\u8c03\u7528\u4e4b\u6240\u4ee5\u4e0e\u5176\u4ed6\u8c03\u7528\u4e0d\u540c\uff0c\u5c31\u5728\u4e8e\u5b83\u7684\u7279\u6b8a\u7684\u8c03\u7528\u4f4d\u7f6e\uff1a\u5c3e\u8c03\u7528\u7531\u4e8e\u662f\u51fd\u6570\u7684\u6700\u540e\u4e00\u6b65\u64cd\u4f5c\uff0c\u6240\u4ee5\u4e0d\u9700\u8981\u4fdd\u7559\u5916\u5c42\u51fd\u6570\u7684\u8c03\u7528\u8bb0\u5f55\uff0c\u56e0\u4e3a\u8c03\u7528\u4f4d\u7f6e\u3001\u5185\u90e8\u53d8\u91cf\u7b49\u4fe1\u606f\u90fd\u4e0d\u4f1a\u518d\u7528\u5230\u4e86\uff0c\u53ea\u8981\u76f4\u63a5\u7528\u5185\u5c42\u51fd\u6570\u7684\u8c03\u7528\u8bb0\u5f55\uff0c\u53d6\u4ee3\u5916\u5c42\u51fd\u6570\u7684\u8c03\u7528\u8bb0\u5f55\u5c31\u53ef\u4ee5\u4e86\u3002\n\n\u51fd\u6570\u8c03\u7528\u81ea\u8eab\uff0c\u79f0\u4e3a\u9012\u5f52\u3002\u5982\u679c\u5c3e\u8c03\u7528\u81ea\u8eab\uff0c\u5c31\u79f0\u4e3a\u5c3e\u9012\u5f52\u3002\n\n\u8be6\u89c1\uff1a\nhttps:\/\/www.cnblogs.com\/linhaifeng\/articles\/15812906.html<\/code><\/pre>\n
      Golang\u7f16\u8bd1\u5668\u9488\u5bf9\u5c3e\u9012\u5f52\u6ca1\u6709\u4f18\u5316\uff0c\u4e5f\u5c31\u662f\u8bf4\u5373\u4fbf\u4f60\u6309\u7167\u4e0a\u6587\u628a\u9012\u5f52\u4f18\u5316\u4e3a\u5c3e\u9012\u5f52\uff0c\u4e5f\u8fd8\u662f\u4f1a\u6808\u6ea2\u51fa<\/p>\n
      func f(n int) int {\n    if n == 1 {\n        return 1\n    }\n    return f(n - 1)\n}\nfunc main() {\n    f(999999999)  \/\/ \u62a5\u9519\uff1afatal error: stack overflow\n}<\/code><\/pre>\n
      3.4 \u9012\u5f52\u7684\u603b\u7ed3<\/h3>\n
      \u9012\u5f52\u672c\u8d28\u5c31\u662f\u5728\u505a\u91cd\u590d\u7684\u4e8b\u60c5\uff0c\u6240\u4ee5\u7406\u8bba\u4e0a\u9012\u5f52\u53ef\u4ee5\u89e3\u51b3\u7684\u95ee\u9898\u5faa\u73af\u4e5f\u90fd\u53ef\u4ee5\u89e3\u51b3\uff0c\u53ea\u4e0d\u8fc7\u5728\u67d0\u4e9b\u60c5\u51b5\u4e0b\uff0c\u4f7f\u7528\u9012\u5f52\u4f1a\u66f4\u5bb9\u6613\u5b9e\u73b0\uff0c\u5177\u4f53\u6765\u8bb2\u53ea\u8981\u4e00\u4e2a\u95ee\u9898\u53ef\u4ee5\u6ee1\u8db3\u4e0b\u8fb9\u4e09\u4e2a\u6761\u4ef6\uff0c\u90a3\u5c31\u53ef\u4ee5\u8003\u8651\u4f7f\u7528\u9012\u5f52<\/p>\n
        \n
      • \n
        1\u3001\u4e00\u4e2a\u95ee\u9898\u7684\u89e3\u53ef\u4ee5\u5206\u89e3\u6210\u51e0\u4e2a\u89c4\u6a21\u66f4\u5c0f\u7684\u5b50\u95ee\u9898\u7684\u89e3<\/strong><\/p>\n<\/li>\n
      • \n
        2\u3001\u5b50\u95ee\u9898\u9664\u4e86\u6570\u636e\u89c4\u6a21\u4e0d\u4e00\u6837\uff0c\u6c42\u89e3\u601d\u8def\u5fc5\u987b\u5b8c\u5168\u4e00\u6837<\/strong><\/p>\n<\/li>\n
      • \n
        3\u3001\u5b58\u5728\u9012\u5f52\u7ec8\u6b62\u6761\u4ef6\uff0c\u628a\u95ee\u9898\u5206\u89e3\u4e3a\u5b50\u95ee\u9898\uff0c\u628a\u5b50\u95ee\u9898\u518d\u5206\u89e3\u4e3a\u5b50\u5b50\u95ee\u9898\uff0c\u4e00\u5c42\u4e00\u5c42\u5206\u89e3\u4e0b\u53bb\uff0c\u4e0d\u80fd\u5b58\u5728\u65e0\u9650\u5faa\u73af\uff0c\u8fd9\u5c31\u9700\u8981\u6709\u7ec8\u6b62\u6761\u4ef6<\/strong><\/p>\n<\/li>\n<\/ul>\n
        3.5 \u9012\u5f52\u6848\u4f8b<\/h3>\n
        \u5199\u9012\u5f52\u7684\u4ee3\u7801\uff0c\u6700\u5173\u952e\u7684\u5c31\u662f\u300c\u5199\u51fa\u9012\u5f52\u516c\u5f0f\u3001\u627e\u5230\u9012\u5f52\u7ec8\u6b62\u6761\u4ef6\u300d<\/strong>\uff0c\u5269\u4e0b\u7684\u5c06\u9012\u5f52\u516c\u5f0f\u8f6c\u5316\u6210\u4ee3\u7801\u5c31\u7b80\u5355\u4e86<\/p>\n
        \u4f8b1\uff1a\u6590\u6ce2\u90a3\u5951\u6570<\/p>\n
          \n
        • \u8bf7\u4f7f\u7528\u9012\u5f52\u7684\u65b9\u5f0f\uff0c\u6c42\u51fa\u6590\u6ce2\u90a3\u5951\u6570 1,1,2,3,5,8,13…<\/li>\n
        • \u7ed9\u4f60\u4e00\u4e2a\u6574\u6570 n\uff0c\u6c42\u51fa\u5b83\u7684\u6590\u6ce2\u90a3\u5951\u6570\u662f\u591a\u5c11\uff1f<\/li>\n<\/ul>\n
          \/*\n\u8bf7\u4f7f\u7528\u9012\u5f52\u7684\u65b9\u5f0f\uff0c\u6c42\u51fa\u6590\u6ce2\u90a3\u5951\u65701,1,2,3,5,8,13...\n\u7ed9\u4f60\u4e00\u4e2a\u6574\u6570n\uff0c\u6c42\u51fa\u5b83\u7684\u6590\u6ce2\u90a3\u5951\u6570\u662f\u591a\u5c11\uff1f\n*\/\nfunc fbn(n int) int {\n    if (n == 1 || n == 2) {\n        return 1\n    } else {\n        return fbn(n - 1) + fbn(n - 2)\n    }\n}\n\nfunc main() {\n    res := fbn(3)\n    \/\/\u6d4b\u8bd5\n    fmt.Println("res=", res)\n    fmt.Println("res=", fbn(4)) \/\/ 3\n    fmt.Println("res=", fbn(5)) \/\/ 5 \n    fmt.Println("res=", fbn(6)) \/\/ 8 \n}<\/code><\/pre>\n
          \u4f8b2\uff1a\u6c42\u51fd\u6570\u503c<\/p>\n
            \n
          • \u5df2\u77e5 f(1)=3; f(n) = 2*f(n-1)+1;<\/li>\n
          • \u8bf7\u4f7f\u7528\u9012\u5f52\u7684\u601d\u60f3\u7f16\u7a0b\uff0c\u6c42\u51fa f(n)\u7684\u503c?<\/li>\n<\/ul>\n
            func f(n int) int {\n    if n == 1 {\n        return 3\n    } else {\n        return 2 * f(n - 1) + 1\n    }\n}\nfunc main(){\n    \/\/\u6d4b\u8bd5\u4e00\u4e0b\n    fmt.Println("f(1)=", f(1))\n    fmt.Println("f(5)=", f(5))\n}<\/code><\/pre>\n
            \u4f8b3\uff1a\u7334\u5b50\u5403\u6843\u5b50\u95ee\u9898**<\/p>\n
              \n
            • \u6709\u4e00\u5806\u6843\u5b50\uff0c\u7334\u5b50\u7b2c\u4e00\u5929\u5403\u4e86\u5176\u4e2d\u7684\u4e00\u534a\uff0c\u5e76\u518d\u591a\u5403\u4e86\u4e00\u4e2a\uff01\u4ee5\u540e\u6bcf\u5929\u7334\u5b50\u90fd\u5403\u5176\u4e2d\u7684\u4e00\u534a\uff0c\u7136\u540e\u518d\u591a\u5403\u4e00\u4e2a\u3002\u5f53\u5230\u7b2c\u5341\u5929\u65f6\uff0c\u60f3\u518d\u5403\u65f6\uff08\u8fd8\u6ca1\u5403\uff09\uff0c\u53d1\u73b0\u53ea\u6709 1 \u4e2a\u6843\u5b50\u4e86\u3002\u95ee\u9898\uff1a\u6700\u521d\u5171\u591a\u5c11\u4e2a\u6843\u5b50\uff1f<\/li>\n<\/ul>\n
              \/\/n \u8303\u56f4\u662f  1 -- 10 \u4e4b\u95f4\nfunc peach(n int) int {\n    if n > 10 || n < 1 {\n        fmt.Println("\u8f93\u5165\u7684\u5929\u6570\u4e0d\u5bf9")\n        return 0 \/\/\u8fd4\u56de0\u8868\u793a\u6ca1\u6709\u5f97\u5230\u6b63\u786e\u6570\u91cf\n    }\n    if n == 10 {\n        return 1\n    } else {\n        return (peach(n + 1) + 1) * 2\n    }\n}\n\nfunc main() {\n    fmt.Println("\u7b2c1\u5929\u6843\u5b50\u6570\u91cf\u662f=", peach(1)) \/\/1534\n\n}<\/code><\/pre>\n","protected":false},"excerpt":{"rendered":"
              \u51fd\u6570\u5d4c\u5957 \u4e00 \u5d4c\u5957\u5b9a\u4e49 \u5728Go\u8bed\u8a00\u4e2d\uff0c\u5b9a\u4e49\u5728\u51fd\u6570\u5185\u90e8\u7684\u51fd\u6570\u5fc5\u987b\u662f\u533f\u540d\u51fd\u6570 \u4f8b1\uff1a func f1() { fu […]<\/p>\n","protected":false},"author":3,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":[],"categories":[4,450],"tags":[],"_links":{"self":[{"href":"https:\/\/egonlin.com\/index.php?rest_route=\/wp\/v2\/posts\/7938"}],"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=7938"}],"version-history":[{"count":0,"href":"https:\/\/egonlin.com\/index.php?rest_route=\/wp\/v2\/posts\/7938\/revisions"}],"wp:attachment":[{"href":"https:\/\/egonlin.com\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=7938"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/egonlin.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=7938"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/egonlin.com\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=7938"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}