{"id":1895,"date":"2021-08-03T10:56:36","date_gmt":"2021-08-03T02:56:36","guid":{"rendered":"https:\/\/egonlin.com\/?p=1895"},"modified":"2023-01-28T12:42:27","modified_gmt":"2023-01-28T04:42:27","slug":"%e5%8f%98%e9%87%8f-2","status":"publish","type":"post","link":"https:\/\/egonlin.com\/?p=1895","title":{"rendered":"05 \u53d8\u91cf\u7684\u58f0\u660e\u4e0e\u4f7f\u7528"},"content":{"rendered":"<h1>\u53d8\u91cf<\/h1>\n<h2>\u4e00 \u53d8\u91cf\u4ecb\u7ecd<\/h2>\n<p>\u200b   \u7a0b\u5e8f\u7684\u8fd0\u884c\u672c\u8d28\u5c31\u662f\u4e00\u7cfb\u5217\u72b6\u6001\u7684\u53d8\u5316\uff0c\u6bd4\u5982\uff1a\u5728\u6e38\u620f\u7a0b\u5e8f\u7684\u8fd0\u884c\u8fc7\u7a0b\u4e2d\uff0c\u4e00\u4e2a\u89d2\u8272\u7684\u7b49\u7ea7\u75310\u7ea7\u5347\u7ea7\u523010\u7ea7\u3001\u91d1\u94b1\u753110\u589e\u957f\u5230\u4e861000\u7b49\u3002<\/p>\n<p>\u200b   \u6240\u4ee5\u7a0b\u5e8f\u7684\u5f00\u53d1\u8bed\u8a00\u4e2d\u5fc5\u987b\u6709\u4e00\u79cd\u673a\u5236\/\u8bed\u6cd5\u80fd\u591f\u63a7\u5236\u8ba1\u7b97\u673a\u8bb0\u5f55\u4e0b\u4e8b\u7269\u72b6\u6001\uff0c\u5e76\u4e14\u8be5\u72b6\u6001\u662f\u53ef\u4ee5\u53d1\u751f\u53d8\u5316\u7684\uff0c\u8fd9\u5c31\u662f\u53d8\u91cf\u3002<\/p>\n<p>\u200b   \u53d8\u91cf\u662f\u5bf9\u201c\u91cf\u201d\u4e0e\u201c\u53d8\u201d\u884c\u4e3a\u7684\u62bd\u8c61\u603b\u7ed3\uff0c \u201c\u91cf\u201d\u6307\u7684\u662f\u8bb0\u5f55\u4e0b\u72b6\u6001\uff0c\u201c\u53d8\u201d\u6307\u7684\u662f\u8bb0\u5f55\u7684\u72b6\u6001\u662f\u53ef\u4ee5\u53d1\u9001\u53d8\u5316\u7684\u3002\u72b6\u6001\u662f\u8bb0\u5f55\/\u5b58\u50a8\u5230\u5185\u5b58\u4e2d\u7684\uff0c\u53c8\u79f0\u4e4b\u4e3a\u6570\u636e\uff0c\u6240\u4ee5\u8bf4\u6bcf\u4e2a\u53d8\u91cf\u90fd\u5bf9\u5e94\u4e00\u5757\u5185\u5b58\u7a7a\u95f4\uff0c\u800c\u53d8\u91cf\u5176\u5b9e\u5c31\u50cf\u662f\u4e00\u4e2a\u5bb9\u5668\u3002\u58f0\u660e\u53d8\u91cf\u5c31\u662f\u521b\u9020\u4e86\u4e00\u4e2a\u5bb9\u5668\uff08\u5728\u5185\u5b58\u7a7a\u95f4\u4e2d\u5f00\u8f9f\u4e86\u4e00\u5757\u7a7a\u95f4\uff09\uff0c\u4e3a\u53d8\u91cf\u521d\u59cb\u5316\u6216\u8d4b\u503c\u5c31\u662f\u5728\u5f80\u5bb9\u5668\u91cc\u586b\u5145\/\u6539\u53d8\u5185\u5bb9\u3002<\/p>\n<p><div class='fancybox-wrapper lazyload-container-unload' data-fancybox='post-images' href='https:\/\/egonlin.com\/wp-content\/uploads\/2021\/08\/\u53d8\u91cf\u56fe\u89e3.jpg'><img class=\"lazyload lazyload-style-2\" src=\"data:image\/svg+xml;base64,PCEtLUFyZ29uTG9hZGluZy0tPgo8c3ZnIHdpZHRoPSIxIiBoZWlnaHQ9IjEiIHhtbG5zPSJodHRwOi8vd3d3LnczLm9yZy8yMDAwL3N2ZyIgc3Ryb2tlPSIjZmZmZmZmMDAiPjxnPjwvZz4KPC9zdmc+\"  data-original=\"https:\/\/egonlin.com\/wp-content\/uploads\/2021\/08\/\u53d8\u91cf\u56fe\u89e3.jpg\" src=\"data:image\/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAYAAAAfFcSJAAAAAXNSR0IArs4c6QAAAARnQU1BAACxjwv8YQUAAAAJcEhZcwAADsQAAA7EAZUrDhsAAAANSURBVBhXYzh8+PB\/AAffA0nNPuCLAAAAAElFTkSuQmCC\" alt=\"\" \/><\/div><\/p>\n<h2>\u4e8c \u53d8\u91cf\u7684\u58f0\u660e\u4e0e\u4f7f\u7528<\/h2>\n<h3>2.1 \u58f0\u660e\u53d8\u91cf<\/h3>\n<h4>\uff081\uff09\u58f0\u660e\u4e00\u4e2a\u53d8\u91cf<\/h4>\n<p>\u5206\u4e3a\u4e24\u5927\u7c7b\uff1avar\u58f0\u660e\u4e0e\u7b80\u77ed\u58f0\u660e<\/p>\n<p>\u56db\u79cd\u5177\u4f53\u5f62\u5f0f\u5982\u4e0b<\/p>\n<pre><code class=\"language-go\">\/\/ 1\u3001\u5b8c\u6574\u7248,\u4e0eC\u8bed\u8a00\u76f8\u6bd4\uff0c Go\u8bed\u8a00\u6452\u5f03\u4e86\u8bed\u53e5\u5fc5\u987b\u4ee5\u5206\u53f7\u4f5c\u4e3a\u8bed\u53e5\u7ed3\u675f\u6807\u8bb0\u7684\u4e60\u60ef\u3002\nvar \u53d8\u91cf\u540d \u7c7b\u578b = \u521d\u59cb\u8868\u8fbe\u5f0f \n\n\/\/ 2\u3001\u7701\u7565\u8d4b\u503c\uff0c\u91c7\u7528\u96f6\u503c\uff0c\u6bcf\u79cd\u7c7b\u578b\u90fd\u6709\u5176\u5bf9\u5e94\u7684\u96f6\u503c\uff0c\u8be6\u89c1\u4e0b\u4e00\u7ae0\nvar \u53d8\u91cf\u540d \u7c7b\u578b \n\n\/\/ 3\u3001\u7701\u7565\u7c7b\u578b\uff0c\u4f9d\u636e\u521d\u59cb\u5316\u8868\u8fbe\u5f0f\u5f97\u5230\u7684\u503c\u81ea\u52a8\u63a8\u5bfc\u7c7b\u578b\nvar \u53d8\u91cf\u540d = \u521d\u59cb\u8868\u8fbe\u5f0f\n\n\/\/ 4\u3001\u7701\u7565var\uff0c\u5373\u7b80\u77ed\u58f0\u660e(\u53ea\u80fd\u5728\u51fd\u6570\u5185\u7528)\n\u53d8\u91cf\u540d := \u521d\u59cb\u8868\u8fbe\u5f0f  \/\/ \u53d8\u91cf\u7684\u7c7b\u578b\u6839\u636e\u8868\u8fbe\u5f0f\u6765\u81ea\u52a8\u63a8\u5bfc<\/code><\/pre>\n<p>\u4e3e\u4f8b<\/p>\n<pre><code class=\"language-go\">var name string = &quot;egon&quot;\n\nvar name string  \/\/ name\u91c7\u7528\u96f6\u503c\u4e3a&quot;&quot;\n\nvar name = &quot;egon&quot;\n\nname:=&quot;egon&quot;<\/code><\/pre>\n<h4>\uff082\uff09\u58f0\u660e\u4e00\u7ec4\u53d8\u91cf<\/h4>\n<p>\u524d\u63d0\uff1a\u58f0\u660e\u7684\u4e00\u7ec4\u53d8\u91cf\u4e2d\u6bcf\u4e2a\u53d8\u91cf\u90fd\u5fc5\u987b\u88ab\u8d4b\u503c\uff01\uff01\uff01\uff01\uff01\uff01<\/p>\n<pre><code class=\"language-go\">\/\/ 1\u3001\u58f0\u660e\u4e00\u7ec4\u7c7b\u578b\u76f8\u540c\u7684\nvar a, b, c int = 10,20,30\nfmt.Println(a,b,c) \/\/ 10 20 30\nvar x, y, z int \/\/ \u91c7\u7528\u96f6\u503c\uff0cint\u7c7b\u578b\u7684\u96f6\u503c\u4e3a0\nfmt.Println(x,y,z) \/\/ 0 0 0\n\n\/\/ 2\u3001\u58f0\u660e\u4e00\u7ec4\u7c7b\u578b\u4e0d\u540c\u7684\nvar x, y, z = true, 3.1, &quot;egon&quot; \/\/ \u7c7b\u578b\u63a8\u5bfc\u51fa\u4e3abool\u3001float64\u3001string\n\n\/\/ 3\u3001\u58f0\u660e\u4e00\u7ec4\u7c7b\u578b\u4e0d\u540c\u7684\uff0c\u6ce8\u610f\u6bcf\u884c\u7ed3\u5c3e\u4e0d\u8981\u52a0\u9017\u53f7\nvar (\n    m int = 3\n    n string\n)\n\n\/\/ 4\u3001\u7b80\u77ed\u58f0\u660e\u4e00\u7ec4\u53d8\u91cf\n\/\/ (1) :=\u5de6\u8fb9\u81f3\u5c11\u5f97\u6709\u4e00\u4e2a\u65b0\u53d8\u91cf\uff0c\u6b64\u65f6\uff0c\u9488\u5bf9\u8001\u53d8\u91cf\u5c31\u662f\u6539\u503c\uff0c\u9488\u5bf9\u65b0\u53d8\u91cf\u5c31\u662f\u58f0\u660e\u65b0\u7684\n\/\/ (2) \u901a\u5e38\u53d8\u91cf\u6570\u91cf\u4e0d\u5b9c\u8fc7\u591a\uff0c\u5426\u5219\u5f71\u54cd\u7a0b\u5e8f\u53ef\u8bfb\u6027\ni, j := 0, 1<\/code><\/pre>\n<p>\u601d\u8003\u4e0b\u8ff0\u8d4b\u503c\u662f\u5426\u6b63\u786e\uff0c\u5e76\u8bf4\u660e\u539f\u56e0<\/p>\n<pre><code class=\"language-go\">\/\/ \u4f8b1\uff1a\u9519\u8bef\uff0c\u5c11\u8d4b\u503c\u4e86\nvar a, b, c int = 30 \nfmt.Println(a,b,c)\n\n\/\/ \u4f8b2\uff1a\u9519\u8bef\uff0c\u5c11\u8d4b\u503c\u4e86\nx, y := 3\nfmt.Println(x,y)\n\n\/\/ \u4f8b3\uff1a\u9519\u8bef\uff0c\u91cd\u590d\u58f0\u660e\u4e86\nx:=1\ny:=2\nx,y:=111,222\nfmt.Println(x,y)\n\n\/\/ \u4f8b4\uff1a\u6b63\u786e\nx:=1\ny:=2\nx,y,z:=111,222,333 \/\/ \u4e3a\u8001\u53d8\u91cfx,y\u6539\u503c\uff0c\u540c\u65f6\u58f0\u660e\u4e00\u4e2a\u65b0\u53d8\u91cfz\nfmt.Println(x,y,z)\n\n\/\/ \u4f8b5\uff1a\u6b63\u786e\nin, err := os.Open(infile)\nout, err := os.Create(outfile)  \/\/ err\u662f\u8001\u53d8\u91cf\uff0c\u540c\u4f8b4\n\n\/\/ \u4f8b6\uff1a\u9519\u8bef\uff0c\u7b80\u77ed\u58f0\u660e\u5fc5\u987b\u81f3\u5c11\u8981\u58f0\u660e\u4e00\u4e2a\u65b0\u7684\u53d8\u91cf\uff0c\u4e0b\u9762\u7684\u4ee3\u7801\u5c06\u4e0d\u80fd\u7f16\u8bd1\u901a\u8fc7\nf, err := os.Open(infile)\nf, err := os.Create(outfile) \/\/ compile error: no new variables\n\n\u89e3\u51b3\u65b9\u6cd5\uff1a\u7b2c\u4e8c\u4e2a\u7b80\u77ed\u58f0\u660e\u8bed\u53e5\u6539\u4e3a\u8d4b\u503c\u8bed\u6cd5\uff0c\u6ce8\u610f\u662f\u8d4b\u503c\u8bed\u6cd5\u800c\u4e0d\u662f\u58f0\u660e\u8bed\u6cd5\nf, err = os.Create(outfile) \/\/ \u6ce8\u610f\u6b64\u65f6\u7528\u7684\u662f\u8d4b\u503c\u7b26\u53f7&quot;=&quot;,\u800c\u4e0d\u662f\u53d8\u58f0\u660e\u8bed\u53e5\u201d:=\u201c<\/code><\/pre>\n<h4>\uff083\uff09\u533f\u540d\u53d8\u91cf<\/h4>\n<p>\u4e0b\u5212\u7ebf_\u79f0\u4e4b\u4e3a<code>\u533f\u540d\u53d8\u91cf\uff08anonymous variable\uff09<\/code>\uff0c\u63a5\u6536\u7684\u503c\u4e0d\u5360\u7528\u547d\u540d\u7a7a\u95f4\u3001\u4e0d\u4f1a\u5206\u914d\u5185\u5b58\u3001\u4e14\u65e0\u6cd5\u88ab\u4f7f\u7528\uff0c\u5373\u5b83\u63a5\u6536\u7684\u503c\u90fd\u76f8\u5f53\u4e8e\u88ab\u5e9f\u5f03\u6389\u4e86<\/p>\n<pre><code class=\"language-go\">func main() {\n    \/\/ \u65e0\u9700\u58f0\u660e\u5c31\u53ef\u4ee5\u7528\uff0c\u4f46\u662f\u58f0\u660e\u4e86\u4e5f\u53ef\u4ee5\uff0c\u4e0d\u4f1a\u62a5\u9519\n    _=1\n    _=2\n    _=3  \n\n    \/\/ \u91cd\u590d\u58f0\u660e\u4e5f\u6ca1\u95ee\u9898\n    var _ = 1\n    var _ = 2\n    var _ = 3\n\n    \/\/ \u4e0d\u80fd\u4f7f\u7528\u533f\u540d\u53d8\u91cf\uff0c\u63a5\u6536\u5373\u4e3a\u5e9f\u5f03\n    fmt.Println(_)  \/\/ \u62a5\u9519\uff1acannot use _ as value\n}<\/code><\/pre>\n<p>\u7efc\u4e0a\uff0c\u533f\u540d\u53d8\u91cf\u901a\u5e38\u7528\u4e8e\u591a\u91cd\u8d4b\u503c\u65f6\u5ffd\u7565\u67d0\u4e2a\u503c\uff0c\u5982\u4e0b\u6240\u793a<\/p>\n<pre><code class=\"language-go\">func main() {\n    \/\/ \u8fd9\u53ef\u4ee5\u8ba9\u4ee3\u7801\u975e\u5e38\u6e05\u6670\uff0c\u57fa\u672c\u4e0a\u5c4f\u853d\u6389\u4e86\u53ef\u80fd\u6df7\u6dc6\u4ee3\u7801\u9605\u8bfb\u8005\u89c6\u7ebf\u7684\u5185\u5bb9\n    \/\/ \u4ece\u800c\u5927\u5e45\u964d\u4f4e\u6c9f\u901a\u7684\u590d\u6742\u5ea6\u548c\u4ee3\u7801\u7ef4\u62a4\u7684\u96be\u5ea6\u3002\n    var age,_=foo() \n    fmt.Println(age)\n\n    var _,name=foo()\n    fmt.Println(name)\n}\n\nfunc foo()(int,string)  {\n    return 18,&quot;egon&quot;\n}<\/code><\/pre>\n<p>\u4e86\u89e3\uff1a\u5728<code>Lua<\/code>\u7b49\u7f16\u7a0b\u8bed\u8a00\u91cc\uff0c\u533f\u540d\u53d8\u91cf\u4e5f\u88ab\u53eb\u505a\u54d1\u5143\u53d8\u91cf\u3002<\/p>\n<h3>2.2 \u603b\u7ed3\u58f0\u660e\u53d8\u91cf\u9700\u8981\u6ce8\u610f\u7684\u5176\u4ed6\u95ee\u9898<\/h3>\n<ul>\n<li>\n<p>1\u3001\u5728\u51fd\u6570\u5185<\/p>\n<ul>\n<li>\uff081\uff09\u51fd\u6570\u5185\u53d8\u91cf\u5fc5\u987b\u5148\u58f0\u660e\u3001\u540e\u4f7f\u7528\uff0c\u5982\u4e0b<\/li>\n<\/ul>\n<pre><code class=\"language-go\">package main\n\nimport \"fmt\"\nvar x int = 3\nfunc main() {\n    \/\/ \u6b64\u5904\u8bbf\u95ee\u7684\u662fmain\u51fd\u6570\u5185\u7684x\n    \/\/ \u6ca1\u6709\u9075\u5faa\u51fd\u6570\u5185\u53d8\u91cf\u5148\u58f0\u660e\u540e\u4f7f\u7528\u7684\u539f\u5219\n    \/\/ \u6240\u4ee5\u62a5\u9519x declared but not used\n    fmt.Println(x)  \n    var x int = 4\n}<\/code><\/pre>\n<ul>\n<li>\uff082\uff09\u51fd\u6570\u5185\u58f0\u660e\u4e4b\u540e\u5c31\u5fc5\u987b\u8981\u7528\uff0c\u5426\u5219\u65e0\u6cd5\u901a\u8fc7\u7f16\u8bd1\uff0c\u51fd\u6570\u5916\u5219\u6ca1\u6709\u8fd9\u4e00\u9650\u5236<\/li>\n<\/ul>\n<p>\u6ce8\u610f\uff1a\u8bfb\u53d6\u53d8\u91cf\u7684\u503c\u8fdb\u884c\u6253\u5370\u6216\u8fd0\u7b97\u624d\u53eb\u4f7f\u7528\u53d8\u91cf\uff0c\u58f0\u660e\u4e0e\u8d4b\u503c\u4e0d\u662f\u5f15\u7528\u53d8\u91cf\u3002<\/p>\n<pre><code class=\"language-go\">var x int \nx=3 \/\/ \u8fd9\u4e0d\u7b97\u4f7f\u7528x\uff0c\u56e0\u4e3a\u6ca1\u6709\u8bfb\u53d6\u53d8\u91cf\u7684\u503c<\/code><\/pre>\n<\/li>\n<li>\n<p>2\u3001\u533f\u540d\u53d8\u91cf\u65e0\u9700\u58f0\u660e\uff0c\u4e14\u4e0d\u80fd\u88ab\u4f7f\u7528\uff0c\u63a5\u6536\u5373\u5e9f\u5f03<\/p>\n<\/li>\n<li>\n<p>3\u3001\u540c\u4e00\u4f5c\u7528\u57df\u5185\u4e0d\u80fd\u51fa\u73b0\u91cd\u590d\u7684\u58f0\u660e\uff0c\u533f\u540d\u53d8\u91cf\u9664\u5916<\/p>\n<pre><code class=\"language-go\">var x int \nx:=3  \/\/ \u9519\u8bef\uff1a\u4e0d\u80fd\u91cd\u590d\u58f0\u660e\u53d8\u91cf<\/code><\/pre>\n<\/li>\n<li>\n<p>4\u3001var\u58f0\u660e\u4e0e\u7b80\u77ed\u58f0\u660e<\/p>\n<ul>\n<li>\uff081\uff09var\u53ef\u4ee5\u7528\u4e8e\u4efb\u610f\u4f4d\u7f6e\uff0c\u5373\u7528\u5728\u51fd\u6570\u5916\u4e5f\u884c\uff0c\u4f46\u7b80\u77ed\u58f0\u660e\u53ea\u80fd\u7528\u4e8e\u51fd\u6570\u5185\u90e8<\/li>\n<li>\uff082\uff09\u4e8b\u5b9e\u4e0a\uff0c\u58f0\u660e\u8bed\u53e5var\u901a\u5e38\u7684\u7528\u4e8e\u201d\u521d\u59cb\u503c\u65e0\u5173\u7d27\u8981\uff0c\u53d8\u91cf\u7a0d\u540e\u4f1a\u88ab\u91cd\u65b0\u8d4b\u503c\u201c\u7684\u573a\u666f\uff0c\u6240\u4ee5\u8bf4\uff0c\u91c7\u7528\u96f6\u503c\u521d\u59cb\u5316\u662fvar\u8bed\u53e5\u7684\u5e38\u6001<\/li>\n<\/ul>\n<pre><code class=\"language-go\">var \u53d8\u91cf\u540d \u7c7b\u578b \/\/ \u4e8b\u5148\u58f0\u660e\u597d\u7c7b\u578b\uff0c\u7528\u96f6\u503c\u5b8c\u6210\u521d\u59cb\u5316\uff0c\u76f8\u5f53\u4e8e\u505a\u597d\u4e86\u51c6\u5907\u5de5\u4f5c<\/code><\/pre>\n<ul>\n<li>\uff083\uff09\u8bf7\u8bb0\u4f4f\u201c:=\u201d\u662f\u4e00\u4e2a\u53d8\u91cf\u58f0\u660e\u8bed\u53e5\uff0c\u800c\u201c=\u2018\u662f\u4e00\u4e2a\u53d8\u91cf\u8d4b\u503c\u64cd\u4f5c\uff1b\u6240\u4ee5\uff0c\u5343\u4e07\u4e0d\u8981\u6df7\u6dc6\u591a\u4e2a\u53d8\u91cf\u7684\u58f0\u660e\u548c\u5143\u7ec4\u7684\u591a\u91cd\u8d4b\u503c\uff0c\u540e\u8005\u662f\u5c06\u53f3\u8fb9\u5404\u4e2a\u7684\u8868\u8fbe\u5f0f\u503c\u8d4b\u503c\u7ed9\u5de6\u8fb9\u5bf9\u5e94\u4f4d\u7f6e\u7684\u5404\u4e2a\u53d8\u91cf\uff1a<\/li>\n<\/ul>\n<pre><code class=\"language-go\">\/\/ \u5728\u51fd\u6570\u5185\uff0c\u7b80\u77ed\u58f0\u660e\u591a\u4e2a\u53d8\u91cf\ni, j := 111, 222 \n\n\/\/ \u53d8\u91cf\u7684\u8d4b\u503c\ni, j = 333, 444\ni, j = j, i \/\/ \u4ea4\u6362 i \u548c j \u7684\n\n\/\/ \u5f3a\u8c03\uff1a:= \u662f\u4e00\u4e2a\u53d8\u91cf\u58f0\u660e\u8bed\u53e5\uff0c\u8981\u6c42\u7b49\u53f7\u5de6\u8fb9\u81f3\u5c11\u6709\u4e00\u4e2a\u65b0\u53d8\u91cf\n_ := 666 \/\/ \u5f53:=\u7684\u5de6\u8fb9\u53ea\u6709\u4e00\u4e2a\u533f\u540d\u53d8\u91cf\u65f6\uff0c\u4f1a\u7f16\u8bd1\u9519\u8bef\uff0c\u56e0\u4e3a\u533f\u540d\u53d8\u91cf\u4e0d\u662f\u65b0\u53d8\u91cf<\/code><\/pre>\n<\/li>\n<\/ul>\n<h3>2.3 \u53d8\u91cf\u7684\u4f7f\u7528<\/h3>\n<p>\u5f15\u7528\u53d8\u91cf\/\u53d8\u91cf\u503c\u7684\u65b9\u5f0f\u53ef\u4ee5\u662f<\/p>\n<p>1\u3001\u4f7f\u7528\u53d8\u91cf\u540d<\/p>\n<p>2\u3001\u4f7f\u7528\u8868\u8fbe\u5f0f\uff0c\u6bd4\u5982x[i]\u3001x.f\u3001*p<\/p>\n<p>\u5f15\u5165\u4e00\u4e2a\u4f8b\u5b50<\/p>\n<pre><code class=\"language-go\">var x int = 100\n\ny=:x<\/code><\/pre>\n<p>\u5de6\u503c\u4e0e\u53f3\u503c<\/p>\n<pre><code class=\"language-go\"> var x int = 100\u4e2d\u7684x\uff0c\u4e0ey:=x\u4e2d\u7684x\u662f\u4e0d\u4e00\u6837\u7684\n\n(1) var x int = 100\u4e2d\u7684x\u4f4d\u4e8e\u8d4b\u503c\u7b26\u53f7\u7684\u5de6\u8fb9\uff0c\u79f0\u4e4b\u4e3a\u5de6\u503c\uff0c\u4ee3\u8868\u7684\u662f\u8d4b\u503c\/\u5199\u64cd\u4f5c\n\u4f1a\u88ab\u7f16\u8bd1\u5668\u7f16\u8bd1\u6210\u4e00\u4e2a\u5730\u5740,\u7c7b\u4f3c\uff1a0X3000\uff0c\u6240\u4ee5\u5176\u5de6\u503c\u4ee3\u8868\u7684\u662f\u5185\u5b58\u5730\u5740\uff0c\n\n(2)\u3001y:=x\u4e2d\u7684x\u4f4d\u4e8e\u8d4b\u503c\u7b26\u53f7\u7684\u53f3\u8fb9\uff0c\u79f0\u4e4b\u4e3a\u53f3\u503c\uff0c\u4ee3\u8868\u7684\u662f\u53d6\u503c\/\u8bfb\u64cd\u4f5c\n\u4f1a\u88ab\u7f16\u8bd1\u5668\u7f16\u8bd1\u6210\u4e00\u4e2a\u6839\u636e\u5730\u5740\u53d6\u503c\u64cd\u4f5c\uff0c\u7c7b\u4f3c\uff1a(0X1000)\uff0c\u6240\u4ee5\u53f3\u503c\u4ee3\u8868\u7684\u662f\u6839\u636e\u5730\u5740\u8bfb\u53d6\u5185\u5b58\u7a7a\u95f4\u4e2d\u7684\u5185\u5bb9\u3002\n\n\uff01\uff01\uff01\u6ce8\u610f\uff01\uff01\uff01\n(0X1000)\u53d6\u5230\u7684\u5185\u5bb9\uff0c\u53ef\u80fd\u662f\u4e00\u4e2a\u503c\u4e5f\u53ef\u80fd\u662f\u4e00\u4e2a\u5730\u5740\uff0c\u65e0\u8bba\u662f\u5565\uff0c\u90fd\u4f1a\u5c06\u8be5\u5185\u5bb9\u62f7\u8d1d\u4e00\u4e2a\u526f\u672c\u6765\u8fdb\u884c\u540e\u7eed\u64cd\u4f5c\u3002\u8fd9\u53e5\u8bdd\u5f88\u91cd\u8981\uff0c\u5982\u679c\u4e0d\u7406\u89e3\u4e5f\u6ca1\u5565\u5173\u7cfb\uff0c\u5148\u6b7b\u8bb0\u786c\u80cc\u4e0b\u6765\uff0c\u4f60\u5c06\u4f1a\u5728\u6307\u9488\u90a3\u4e00\u5c0f\u8282\u5f97\u5230\u8be6\u7ec6\u7b54\u6848<\/code><\/pre>\n<p>\u603b\u7ed3\uff1a\u65e0\u8bba\u91c7\u7528\u4f55\u79cd\u65b9\u5f0f\u4f7f\u7528\u53d8\u91cf<\/p>\n<pre><code class=\"language-go\">\u5f53\u53d8\u91cf\u7684\u5f15\u5165\u65b9\u5f0f\u5b58\u5728\u4e8e\u8d4b\u503c\u7b26\u53f7\u5de6\u8fb9\u65f6\uff0c\u4ee3\u8868\u662f\u5bf9\u53d8\u91cf\u8fdb\u884c\u5199\u64cd\u4f5c\n\u5f53\u53d8\u91cf\u7684\u5f15\u5165\u65b9\u5f0f\u4e0d\u5728\u8d4b\u503c\u7b26\u53f7\u5de6\u8fb9\u65f6\uff0c\uff0c\u4ee3\u8868\u662f\u5bf9\u53d8\u91cf\u8fdb\u884c\u8bfb\u64cd\u4f5c\nfmt.Println(x) \/\/ \u9488\u5bf9\u53d8\u91cfx\u7684\u8bfb\u64cd\u4f5c\nz:=x+200      \/\/ \u9488\u5bf9\u53d8\u91cfx\u7684\u8bfb\u64cd\u4f5c<\/code><\/pre>\n","protected":false},"excerpt":{"rendered":"<p>\u53d8\u91cf \u4e00 \u53d8\u91cf\u4ecb\u7ecd \u200b \u7a0b\u5e8f\u7684\u8fd0\u884c\u672c\u8d28\u5c31\u662f\u4e00\u7cfb\u5217\u72b6\u6001\u7684\u53d8\u5316\uff0c\u6bd4\u5982\uff1a\u5728\u6e38\u620f\u7a0b\u5e8f\u7684\u8fd0\u884c\u8fc7\u7a0b\u4e2d\uff0c\u4e00\u4e2a\u89d2\u8272\u7684\u7b49\u7ea7\u75310\u7ea7 [&hellip;]<\/p>\n","protected":false},"author":3,"featured_media":1896,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":[],"categories":[4,446],"tags":[260,261,263,262],"_links":{"self":[{"href":"https:\/\/egonlin.com\/index.php?rest_route=\/wp\/v2\/posts\/1895"}],"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=1895"}],"version-history":[{"count":0,"href":"https:\/\/egonlin.com\/index.php?rest_route=\/wp\/v2\/posts\/1895\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/egonlin.com\/index.php?rest_route=\/wp\/v2\/media\/1896"}],"wp:attachment":[{"href":"https:\/\/egonlin.com\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=1895"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/egonlin.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=1895"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/egonlin.com\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=1895"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}