{"id":7947,"date":"2023-01-28T14:02:17","date_gmt":"2023-01-28T06:02:17","guid":{"rendered":"https:\/\/egonlin.com\/?p=7947"},"modified":"2023-01-28T14:02:17","modified_gmt":"2023-01-28T06:02:17","slug":"24-%e5%86%85%e5%ad%98%e5%88%86%e5%b8%83%e4%b8%8e%e6%a0%88%e9%80%83%e9%80%b8","status":"publish","type":"post","link":"https:\/\/egonlin.com\/?p=7947","title":{"rendered":"24 \u5185\u5b58\u5206\u5e03\u4e0e\u6808\u9003\u9038"},"content":{"rendered":"<h1>\u5185\u5b58\u5206\u5e03\u4e0e\u6808\u9003\u9038<\/h1>\n<h2>\u4e00 \u50a8\u5907\u77e5\u8bc6<\/h2>\n<h3>1.1 \u7a0b\u5e8f\u7684\u5185\u5b58\u5e03\u5c40<\/h3>\n<p>\u200b   \u7a0b\u5e8f\u7684\u5185\u5b58\u5e03\u5c40\u56fe\u5982\u4e0b<br \/>\n<div class='fancybox-wrapper lazyload-container-unload' data-fancybox='post-images' href='https:\/\/egonlin.com\/wp-content\/uploads\/2023\/01\/\u6808\u5e273.png'><img class=\"lazyload lazyload-style-2\" src=\"data:image\/svg+xml;base64,PCEtLUFyZ29uTG9hZGluZy0tPgo8c3ZnIHdpZHRoPSIxIiBoZWlnaHQ9IjEiIHhtbG5zPSJodHRwOi8vd3d3LnczLm9yZy8yMDAwL3N2ZyIgc3Ryb2tlPSIjZmZmZmZmMDAiPjxnPjwvZz4KPC9zdmc+\"  data-original=\"https:\/\/egonlin.com\/wp-content\/uploads\/2023\/01\/\u6808\u5e273.png\" src=\"data:image\/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAYAAAAfFcSJAAAAAXNSR0IArs4c6QAAAARnQU1BAACxjwv8YQUAAAAJcEhZcwAADsQAAA7EAZUrDhsAAAANSURBVBhXYzh8+PB\/AAffA0nNPuCLAAAAAElFTkSuQmCC\" alt=\"\" \/><\/div><\/p>\n<p>\u53c2\u89c1\u4e0a\u56fe\u6211\u4eec\u4ece\u4e0b\u5f80\u4e0a\u4ecb\u7ecd<\/p>\n<ul>\n<li>\n<p>1\u3001\u4ee3\u7801\u533a.text\uff1a\u5b58\u653eCPU\u6267\u884c\u7684\u673a\u5668\u6307\u4ee4\uff0c\u4ee3\u7801\u533a\u662f\u53ef\u5171\u4eab\uff0c\u5e76\u4e14\u662f\u53ea\u8bfb\u7684\u3002<\/p>\n<\/li>\n<li>\n<p>2\u3001\u6570\u636e\u533a.rodata\u4e0e.data\uff1a\u5b58\u653e\u5df2\u521d\u59cb\u5316\u7684\u5168\u5c40\u53d8\u91cf\u3001\u9759\u6001\u53d8\u91cf\uff08\u5168\u5c40\u548c\u5c40\u90e8\uff09\u3001\u5e38\u91cf\u6570\u636e\u3002<\/p>\n<\/li>\n<li>\n<p>3\u3001.bss\u533a\uff1a\u5b58\u653e\u7684\u662f\u672a\u521d\u59cb\u5316\u7684\u5168\u5c40\u53d8\u91cf\u548c\u9759\u6001\u53d8\u91cf\u3002<\/p>\n<\/li>\n<li>\n<p>4\u3001\u5806\u533a\u4e0e\u6808\u533a<\/p>\n<ul>\n<li>4.1 \u6808\u533a\uff1a\u7531\u64cd\u4f5c\u7cfb\u7edf\u7ba1\u7406\uff0c\u81ea\u52a8\u56de\u6536<\/li>\n<\/ul>\n<pre><code class=\"language-go\">\u9996\u5148\u5728\u7f16\u8bd1\u65f6\u7531\u7f16\u8bd1\u5668\u81ea\u52a8\u5206\u914d\u91ca\u653e\u597d\uff0c\u7136\u540e\u5728\u7a0b\u5e8f\u8fd0\u884c\u65f6\uff0c\u6808\u533a\u7531\u64cd\u4f5c\u7cfb\u7edf\u81ea\u52a8\u7ba1\u7406\uff0c\u65e0\u987b\u7a0b\u5e8f\u5458\u624b\u52a8\u7ba1\u7406\u3002\u5b58\u653e\u51fd\u6570\u7684\u53c2\u6570\u503c\u3001\u8fd4\u56de\u503c\u548c\u5c40\u90e8\u53d8\u91cf\u3002\u5411\u4e0b\u589e\u957f<\/code><\/pre>\n<ul>\n<li>4.2 \u5806\u533a\uff1a\u7531\u5e94\u7528\u7a0b\u5e8f\u6765\u7ba1\uff0c\u7a0b\u5e8f\u5185\u82e5\u6ca1\u6709\u63d0\u4f9b\u81ea\u52a8\u7684\u5783\u573e\u56de\u6536\u673a\u5236\uff0c\u5219\u9700\u8981\u7a0b\u5e8f\u5458\u624b\u52a8\u7ba1\u7406\u3002<\/li>\n<\/ul>\n<pre><code class=\"language-go\">\u5806\u662f\u7531malloc()\u51fd\u6570\u5206\u914d\u7684\u5185\u5b58\u5757\uff0c\u5411\u4e0a\u589e\u957f\u3002\u4f7f\u7528free()\u51fd\u6570\u6765\u91ca\u653e\u5185\u5b58\uff0c\u5806\u7684\u7533\u8bf7\u91ca\u653e\u5de5\u4f5c\u662f\u7531gc\u5783\u573e\u56de\u6536\u673a\u5236\u6216\u7a0b\u5e8f\u5458\u624b\u52a8\u6765\u63a7\u5236\u7684\uff0c\u5bb9\u6613\u4ea7\u751f\u5185\u5b58\u6cc4\u6f0f<\/code><\/pre>\n<\/li>\n<\/ul>\n<p><div class='fancybox-wrapper lazyload-container-unload' data-fancybox='post-images' href='https:\/\/egonlin.com\/wp-content\/uploads\/2023\/01\/\u5806\u68081.png'><img class=\"lazyload lazyload-style-2\" src=\"data:image\/svg+xml;base64,PCEtLUFyZ29uTG9hZGluZy0tPgo8c3ZnIHdpZHRoPSIxIiBoZWlnaHQ9IjEiIHhtbG5zPSJodHRwOi8vd3d3LnczLm9yZy8yMDAwL3N2ZyIgc3Ryb2tlPSIjZmZmZmZmMDAiPjxnPjwvZz4KPC9zdmc+\"  data-original=\"https:\/\/egonlin.com\/wp-content\/uploads\/2023\/01\/\u5806\u68081.png\" src=\"data:image\/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAYAAAAfFcSJAAAAAXNSR0IArs4c6QAAAARnQU1BAACxjwv8YQUAAAAJcEhZcwAADsQAAA7EAZUrDhsAAAANSURBVBhXYzh8+PB\/AAffA0nNPuCLAAAAAElFTkSuQmCC\" alt=\"\" \/><\/div><\/p>\n<h3>1.2 \u6808\u5e27\u7a7a\u95f4<\/h3>\n<p>\u6808\u5e27\u987e\u540d\u601d\u4e49\u662f\u4f4d\u4e8e<strong>stack(\u6808)\u533a<\/strong>\u4e0a\u5f00\u8f9f\u7684\u5185\u5b58\u7a7a\u95f4\uff0c\u5f53\u51fd\u6570\u8c03\u7528\u65f6, \u5219\u4f1a\u5728\u6808\u533a\u4ea7\u751f\u6808\u5e27; \u51fd\u6570\u8c03\u7528\u7ed3\u675f, \u91ca\u653e\u6808\u5e27\u3002<\/p>\n<p>\u65e2\u7136\u6808\u5e27\u7528\u6765\u7ed9<strong>\u51fd\u6570<\/strong>\u8fd0\u884c\u63d0\u4f9b\u5185\u5b58\u7a7a\u95f4, \u90a3\u6808\u5e27\u7528\u5177\u4f53\u5b58\u653e\u4e86\u4ec0\u4e48\u5462\uff1f<\/p>\n<ul>\n<li><strong>1\u3001\u5c40\u90e8\u53d8\u91cf<\/strong><\/li>\n<li><strong>2\u3001\u5f62\u53c2\uff08\u5f62\u53c2\u5176\u5b9e\u5c31\u662f\u5305\u88f9\u5728\u51fd\u6570\u5185\u6700\u5f00\u5934\u7684\u5c40\u90e8\u53d8\u91cf\uff09<\/strong><\/li>\n<li>3\u3001\u5185\u5b58\u5b57\u6bb5\u63cf\u8ff0\u503c<\/li>\n<\/ul>\n<p>\u4e3e\u4f8b\uff1a<\/p>\n<pre><code class=\"language-go\">package main\n\nimport &quot;fmt&quot;\n\nfunc foo(m int){\n    var n int = 555\n    n += m\n}\n\nfunc main() {\n    var x int = 100\n    var p *int = &amp;x\n\n    x = 200\n    fmt.Println(&quot;x: &quot;, x)   \/\/ 200\n    fmt.Println(&quot;*p: &quot;, *p) \/\/ 200\n\n    \/\/*p=300\u7b49\u540c\u4e8ex=300\n    *p = 300\n    fmt.Println(&quot;x: &quot;, x)   \/\/ 300\n    fmt.Println(&quot;*p: &quot;, *p) \/\/ 300\n\n    foo(111)\n}<\/code><\/pre>\n<p>\u5f53\u6211\u4eec\u7684\u7a0b\u5e8f\u8fd0\u884c\u65f6, \u9996\u5148\u8fd0\u884c <code>main()<\/code>, \u8fd9\u65f6\u5c31\u4ea7\u751f\u4e86\u4e00\u4e2a\u6808\u5e27.<\/p>\n<p>\u5f53\u8fd0\u884c\u5230 <code>var x int = 100<\/code> \u65f6, \u5c31\u4f1a\u5728\u6808\u5e27\u91cc\u9762\u4ea7\u751f\u4e00\u4e2a\u7a7a\u95f4.<\/p>\n<p>\u540c\u7406, \u8fd0\u884c\u5230 <code>var p *int = &amp;x<\/code> \u65f6\u4e5f\u4f1a\u5728\u6808\u5e27\u91cc\u4ea7\u751f\u4e00\u4e2a\u7a7a\u95f4.<\/p>\n<p>\u5982\u4e0b\u56fe\u6240\u793a<\/p>\n<p><div class='fancybox-wrapper lazyload-container-unload' data-fancybox='post-images' href='https:\/\/egonlin.com\/wp-content\/uploads\/2023\/01\/\u6808\u5e272.png'><img class=\"lazyload lazyload-style-2\" src=\"data:image\/svg+xml;base64,PCEtLUFyZ29uTG9hZGluZy0tPgo8c3ZnIHdpZHRoPSIxIiBoZWlnaHQ9IjEiIHhtbG5zPSJodHRwOi8vd3d3LnczLm9yZy8yMDAwL3N2ZyIgc3Ryb2tlPSIjZmZmZmZmMDAiPjxnPjwvZz4KPC9zdmc+\"  data-original=\"https:\/\/egonlin.com\/wp-content\/uploads\/2023\/01\/\u6808\u5e272.png\" src=\"data:image\/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAYAAAAfFcSJAAAAAXNSR0IArs4c6QAAAARnQU1BAACxjwv8YQUAAAAJcEhZcwAADsQAAA7EAZUrDhsAAAANSURBVBhXYzh8+PB\/AAffA0nNPuCLAAAAAElFTkSuQmCC\" alt=\"\" \/><\/div><\/p>\n<p>\u5f53\u8fd0\u884c\u5230 <code>foo(111)<\/code> \u65f6, \u4f1a\u7ee7\u7eed\u4ea7\u751f\u4e00\u4e2a\u6808\u5e27, \u8fd9\u65f6 <code>main()<\/code> \u4ea7\u751f\u7684\u6808\u5e27\u8fd8\u6ca1\u6709\u7ed3\u675f.<\/p>\n<p><div class='fancybox-wrapper lazyload-container-unload' data-fancybox='post-images' href='https:\/\/egonlin.com\/wp-content\/uploads\/2023\/01\/\u6808\u5e273.png'><img class=\"lazyload lazyload-style-2\" src=\"data:image\/svg+xml;base64,PCEtLUFyZ29uTG9hZGluZy0tPgo8c3ZnIHdpZHRoPSIxIiBoZWlnaHQ9IjEiIHhtbG5zPSJodHRwOi8vd3d3LnczLm9yZy8yMDAwL3N2ZyIgc3Ryb2tlPSIjZmZmZmZmMDAiPjxnPjwvZz4KPC9zdmc+\"  data-original=\"https:\/\/egonlin.com\/wp-content\/uploads\/2023\/01\/\u6808\u5e273.png\" src=\"data:image\/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAYAAAAfFcSJAAAAAXNSR0IArs4c6QAAAARnQU1BAACxjwv8YQUAAAAJcEhZcwAADsQAAA7EAZUrDhsAAAANSURBVBhXYzh8+PB\/AAffA0nNPuCLAAAAAElFTkSuQmCC\" alt=\"\" \/><\/div><\/p>\n<p>\u5f53 <code>foo(111)<\/code> \u8fd0\u884c\u5b8c\u6bd5\u65f6, \u5c31\u4f1a\u91ca\u653e\u6389\u8fd9\u4e2a\u6808\u5e27.<\/p>\n<p><div class='fancybox-wrapper lazyload-container-unload' data-fancybox='post-images' href='https:\/\/egonlin.com\/wp-content\/uploads\/2023\/01\/\u6808\u5e272.png'><img class=\"lazyload lazyload-style-2\" src=\"data:image\/svg+xml;base64,PCEtLUFyZ29uTG9hZGluZy0tPgo8c3ZnIHdpZHRoPSIxIiBoZWlnaHQ9IjEiIHhtbG5zPSJodHRwOi8vd3d3LnczLm9yZy8yMDAwL3N2ZyIgc3Ryb2tlPSIjZmZmZmZmMDAiPjxnPjwvZz4KPC9zdmc+\"  data-original=\"https:\/\/egonlin.com\/wp-content\/uploads\/2023\/01\/\u6808\u5e272.png\" src=\"data:image\/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAYAAAAfFcSJAAAAAXNSR0IArs4c6QAAAARnQU1BAACxjwv8YQUAAAAJcEhZcwAADsQAAA7EAZUrDhsAAAANSURBVBhXYzh8+PB\/AAffA0nNPuCLAAAAAElFTkSuQmCC\" alt=\"\" \/><\/div><\/p>\n<h2>\u4e8c \u6808\u533a\u5806\u533a<\/h2>\n<h3>2.1 \u6808\u533a\u4e0e\u5806\u533a\u7684\u7279\u70b9<\/h3>\n<p>\u53d8\u91cf\u6240\u5360\u7528\u7684\u5185\u5b58\u7a7a\u95f4\u5728\u5e95\u5c42\u4e0a\u5206\u4e3a\u6808\u533a\u4e0e\u5806\u533a\uff0c\u5e76\u4e14\u6808\u533a\u4e0e\u5806\u533a\u7684\u5206\u914d\u662f\u5728\u7f16\u8bd1\u9636\u6bb5\u5c31\u786e\u7acb\u7684<\/p>\n<p>\u603b\u7ed3\u6808\u533a\u4e0e\u5806\u533a\u7684\u7279\u70b9\u5982\u4e0b<\/p>\n<ul>\n<li>\n<p>1\u3001\u6808\u533a<\/p>\n<ul>\n<li>\uff081\uff09\u7ba1\u7406\uff1a\u7531\u64cd\u4f5c\u7cfb\u7edf\u81ea\u52a8\u7533\u8bf7\u3001\u5206\u914d\u3001\u91ca\u653e\uff0c\u79f0\u4e4b\u4e3a\u9759\u6001\u5206\u914d<\/li>\n<li>\uff082\uff09\u5927\u5c0f\uff1a\u4e00\u822c\u4e0d\u4f1a\u592a\u5927<\/li>\n<li>\uff083\uff09\u5185\u5bb9\uff1a\u58f0\u660e\u5728\u5305\u7ea7\u6216\u51fd\u6570\u5185\u7684\u5c40\u90e8\u53d8\u91cf\/\u5f62\u53c2\u90fd\u4f1a\u5b58\u653e\u5728\u6808\u4e0a<\/li>\n<li>\uff084\uff09\u901f\u5ea6\uff1a\u5206\u914d\u901f\u5ea6\u76f8\u5bf9\u5806\u533a\u8f83\u5feb<\/li>\n<\/ul>\n<\/li>\n<li>\n<p>2\u3001\u5806\u533a<\/p>\n<ul>\n<li>\uff081\uff09\u7ba1\u7406<\/li>\n<\/ul>\n<p>\u4e00\u822c\u6765\u8bb2\u662f\u4eba\u4e3a\u624b\u52a8\u7533\u8bf7\u3001\u5206\u914d\u3001\u91ca\u653e\uff0c\u79f0\u4e4b\u4e3a\u52a8\u6001\u5206\u914d\u3002\u5806\u533a\u5728C\/C++\u4e2d\u9700\u8981\u4eba\u4e3a\u624b\u52a8\u7ba1\u7406\uff0c\u800c\u5728go\u3001java\u3001python\u4e2d\u6709\u81ea\u52a8\u7684\u5783\u573e\u56de\u6536\u673a\u5236\u6765\u7ba1\u7406<\/p>\n<ul>\n<li>\uff082\uff09\u5927\u5c0f<\/li>\n<\/ul>\n<p>\u5806\u9002\u5408\u4e0d\u53ef\u9884\u77e5\u5927\u5c0f\u7684\u5185\u5b58\u5206\u914d\uff0c\u4e3a\u6b64\u4ed8\u51fa\u7684\u4ee3\u4ef7\u662f\u5206\u914d\u901f\u5ea6\u8f83\u6162\uff0c\u800c\u4e14\u4f1a\u5f62\u6210\u5185\u5b58\u788e\u7247\u3002<\/p>\n<ul>\n<li>\uff083\uff09\u5185\u5bb9<\/li>\n<\/ul>\n<p>\u4e00\u822c\u4f1a\u5b58\u653e\u8f83\u5927\u7684\u5bf9\u8c61\uff0c\u4f8b\u5982\u4e00\u822cgo\u7a0b\u5e8f\u8c03\u7528 <code>make()<\/code> \u6216\u8005 <code>new()<\/code>\u51fa\u6765\u7684\u90fd\u5b58\u50a8\u5728\u7528\u6237\u533a\u7684<strong>heap(\u5806)\u533a<\/strong><\/p>\n<ul>\n<li>\uff084\uff09\u901f\u5ea6<\/li>\n<\/ul>\n<p>\u5206\u914d\u901f\u5ea6\u76f8\u5bf9\u6808\u533a\u8f83\u6162\uff0c\u6d89\u53ca\u5230\u7684\u6307\u4ee4\u52a8\u4f5c\u4e5f\u76f8\u5bf9\u591a<\/p>\n<\/li>\n<\/ul>\n<p>\u6b64\u5916\uff0c\u6808\u533a\u7684\u5185\u5bb9\u4e5f\u6709\u53ef\u80fd\u4f1a\u9003\u9038\u5230\u5806\u533a\u4e0a\uff0c\u8fd9\u79cd\u673a\u5236\u79f0\u4e4b\u4e3a\u6808\u9003\u9038\uff0c\u5927\u81f4\u6709\u4ee5\u4e0b\u51e0\u79cd\u60c5\u51b5<\/p>\n<p>\u51fd\u6570\u8fd0\u884c\u5b8c\u6bd5\uff0c<br \/>\n1\u3001\u5982\u679c\u6570\u636e\u8ddf\u5916\u754c\u65e0\u5173\uff0c\u90a3\u4e48\u6808\u5e27\u5c31\u88ab\u7cfb\u7edf\u56de\u6536<br \/>\n2\u3001\u5982\u679c\u6709\u5173\u8054\uff0c\u90a3\u4e48\u5c31\u9003\u9038\u5230\u5806\u533a\u88abgc\u56de\u6536<\/p>\n<p>\u8fd8\u6709\u5c31\u662fmain\u51fd\u6570\u62c9\u8d77\u4e86\u6574\u4e2a\u7a0b\u5e8f\uff0c\u7a0b\u5e8f\u8fd0\u884c\u7684\u6574\u4e2a\u5468\u671f\u5185\u5b83\u90fd\u4e0d\u4f1a\u7ed3\u675f\uff0c\u6240\u4ee5main\u7684\u6808\u5e27\u4e0e\u5176\u4ed6\u51fd\u6570\u4e0d\u540c\uff0c\u9664\u975e\u7a0b\u5e8f\u7ed3\u675f\uff0c\u5426\u5219\u662f\u4e0d\u4f1a\u88ab\u56de\u6536\u7684\uff0c\u6240\u4ee5main\u5185\u5f15\u7528\u7684\u53d8\u91cf\uff0c\u4f1a\u5728\u4e0d\u7528\u65f6\u9003\u9038\u5230\u5806\u533a\uff0c\u8fd9\u6837\u5c31\u53ef\u4ee5\u4e0d\u5fc5\u7b49\u7a0b\u5e8f\u7ed3\u675f\u5c31\u56de\u6536\u6570\u636e\u4e86\u3002<\/p>\n<p>\u8be6\u89c1\u4e0b\u4e00\u5c0f\u8282<\/p>\n<h3>2.2  \u6808\u533a\u5806\u533a\u5206\u914d\u4e0e\u9003\u9038<\/h3>\n<h4>2.2.1 c\u7684\u5185\u5b58\u5206\u914d\u4e0ego\u7684\u81ea\u52a8\u5185\u5b58\u5206\u914d<\/h4>\n<pre><code class=\"language-go\">\u5728C\u8bed\u8a00\u4e2d\uff0c\u6808\u533a\u4e0e\u5806\u533a\u7684\u5206\u914d\u9700\u8981\u7a0b\u5e8f\u5458\u624b\u52a8\u7ba1\u7406\uff0c\u800cGo\u8bed\u8a00\u5219\u5c06\u8fd9\u4e00\u7ba1\u7406\u6574\u5408\u5230\u4e86\u7f16\u8bd1\u5668\u4e2d\uff0c\u6808\u533a\u4e0e\u5806\u533a\u7684\u5206\u914d\u662f\u7531\u7f16\u8bd1\u5668\u5728\u7a0b\u5e8f\u7f16\u8bd1\u9636\u6bb5\u5c31\u81ea\u884c\u786e\u7acb\u7684\uff0c\u4ee5\u6b64\u6765\u63d0\u9ad8\u7a0b\u5e8f\u8fd0\u884c\u65f6\u6548\u7387\u3002<\/code><\/pre>\n<h4>2.2.2 \u9003\u9038\u4ecb\u7ecd<\/h4>\n<p><strong>\u4ec0\u4e48\u662f\u9003\u9038\uff1f\u4ec0\u4e48\u662f\u9003\u9038\u5206\u6790\uff1f\u4ec0\u4e48\u9636\u6bb5\u786e\u7acb\/\u51b3\u5b9a\u9003\u9038\uff1f<\/strong><\/p>\n<pre><code class=\"language-go\">\u5728Go\u8bed\u8a00\u4e2d\uff0cGo\u7f16\u8bd1\u5668\u4f1a\u4f18\u5148\u5c06\u6570\u636e\u5206\u914d\u5230\u6808\u533a\uff0c\u5806\u533a\u4f5c\u4e3a\u7b2c\u4e8c\u5b58\u50a8\u4f4d\u7f6e\uff0c\u53d8\u91cf\u5b58\u50a8\u7a7a\u95f4\u7531\u4f18\u5148\u7684\u6808\u533a\u88ab\u5206\u914d\u5230\u4e86\u5806\u533a\u4e0a\uff0c\u79f0\u4e4b\u4e3a\u201d\u9003\u9038\u201c\uff0c\u6216\u79f0\u201d\u6808\u9003\u9038\u201c\uff0c\u610f\u65e8\u7531\u6808\u533a\u9003\u8dd1\u5230\u4e86\u5806\u533a\u4e0a\u3002\u81f3\u4e8e\u4f55\u79cd\u53d8\u91cf\u4f1a\u88ab\u5206\u914d\u5230\u5806\u533a(heap)\u4e0a\uff0c\u7f16\u8bd1\u5668\u4f1a\u5728\u7f16\u8bd1\u9636\u6bb5\u901a\u8fc7\u5206\u6790\u4ee3\u7801\u7684\u7279\u5f81\u548c\u4ee3\u7801\u7684\u751f\u547d\u5468\u671f\u6765\u81ea\u884c\u51b3\u5b9a\uff0c\u8fd9\u4e00\u5206\u6790\u8fc7\u7a0b\u79f0\u4e4b\u4e3a\u9003\u9038\u5206\u6790(escape analysis)<\/code><\/pre>\n<h4>2.2.3 \u4e3a\u4f55\u9700\u8981\u9003\u9038<\/h4>\n<pre><code class=\"language-go\">\u8fd9\u4e2a\u95ee\u9898\u6211\u4eec\u53ef\u4ee5\u53cd\u8fc7\u6765\u60f3\uff0c\u5982\u679c\u53d8\u91cf\u90fd\u5206\u914d\u5230\u5806\u4e0a\u4e86\u4f1a\u51fa\u73b0\u4ec0\u4e48\u4e8b\u60c5\u5462\uff1f\u5982\u4e0b\n\n1\u3001\u5783\u573e\u56de\u6536\uff08GC\uff09\u7684\u538b\u529b\u4e0d\u65ad\u589e\u5927\n2\u3001\u7533\u8bf7\u3001\u5206\u914d\u3001\u56de\u6536\u5185\u5b58\u7684\u7cfb\u7edf\u5f00\u9500\u589e\u5927\uff08\u76f8\u5bf9\u4e8e\u6808\uff09\n3\u3001\u52a8\u6001\u5206\u914d\u4ea7\u751f\u4e00\u5b9a\u91cf\u7684\u5185\u5b58\u788e\u7247\n\u5176\u5b9e\u603b\u7684\u6765\u8bf4\uff0c\u5c31\u662f\u9891\u7e41\u7533\u8bf7\u3001\u5206\u914d\u5806\u533a\u5185\u5b58\u662f\u6709\u4e00\u5b9a\u201c\u4ee3\u4ef7\u201d\u7684\u3002\u4f1a\u5f71\u54cd\u5e94\u7528\u7a0b\u5e8f\u8fd0\u884c\u7684\u6548\u7387\uff0c\u95f4\u63a5\u5f71\u54cd\u5230\u6574\u4f53\u7cfb\u7edf\u3002\u56e0\u6b64 \u201c\u6309\u9700\u5206\u914d\u201d \u6700\u5927\u9650\u5ea6\u7684\u7075\u6d3b\u5229\u7528\u8d44\u6e90\uff0c\u624d\u662f\u6b63\u786e\u7684\u6cbb\u7406\u4e4b\u9053\u3002\u8fd9\u5c31\u662f\u4e3a\u4ec0\u4e48\u9700\u8981\u9003\u9038\u5206\u6790\u7684\u539f\u56e0\u3002<\/code><\/pre>\n<h4>2.2.4 \u7a0b\u5e8f\u5458\u8be5\u5982\u4f55\u770b\u5f85\u9003\u9038\u5206\u6790<\/h4>\n<pre><code class=\"language-go\">\u5728\u4f7f\u7528Go\u8bed\u8a00\u8fdb\u884c\u7f16\u7a0b\u65f6\uff0cGo\u8bed\u8a00\u7684\u8bbe\u8ba1\u8005\u4e0d\u5e0c\u671b\u5f00\u53d1\u8005\u5c06\u7cbe\u529b\u653e\u5728\u5185\u5b58\u5e94\u8be5\u5206\u914d\u5728\u6808\u8fd8\u662f\u5806\u7684\u95ee\u9898\u4e0a\uff0c\u7f16\u8bd1\u5668\u4f1a\u81ea\u52a8\u5e2e\u52a9\u5f00\u53d1\u8005\u5b8c\u6210\u8fd9\u4e2a\u7ea0\u7ed3\u7684\u9009\u62e9\uff0c\u4f46\u53d8\u91cf\u9003\u9038\u5206\u6790\u4f5c\u4e3a\u4e00\u4e2a\u7f16\u8bd1\u5668\u6280\u672f\uff0c\u6211\u4eec\u53ef\u4ee5\u4e86\u89e3\u4e00\u4e0b<\/code><\/pre>\n<h4>2.2.5 \u9003\u9038\u5206\u6790\u4e3e\u4f8b<\/h4>\n<p>\u200b   \uff01\uff01\uff01\u5f3a\u8c03\u5927\u524d\u63d0\uff01\uff01\uff01<\/p>\n<p>\u200b   \u7f16\u8bd1\u5668\u662f\u5728\u7f16\u8bd1\u9636\u6bb5\u901a\u8fc7\u5206\u6790\u4ee3\u7801\u7684\u7279\u5f81\u548c\u4ee3\u7801\u7684\u751f\u547d\u5468\u671f\u6765\u81ea\u884c\u51b3\u5b9a\u6808\u533a\u5806\u533a\u5206\u914d\u7684\uff0c\u6240\u4ee5\u8bf4\u5728go\u8bed\u8a00\u4e2d\uff0c\u9003\u9038\u5206\u6790\u7684\u7ed3\u679c\u662f\u7531\u5177\u4f53\u7684\u7f16\u7801\u65b9\u5f0f\u51b3\u5b9a\u7684\uff0c\u5e76\u4e0d\u662f\u7531\u7528var\u8fd8\u662fnew\u58f0\u660e\u53d8\u91cf\u7684\u65b9\u5f0f\u51b3\u5b9a\u7684\u3002<\/p>\n<p>\u200b   \u4f8b1\uff1a\u6211\u4eec\u7f16\u5199\u5982\u4e0b\u4ee3\u7801\uff0c\u5bf9\u6808\u9003\u9038\u8fdb\u884c\u89e3\u6790<\/p>\n<pre><code class=\"language-go\">package main\n\nvar global *int\n\nfunc g() {\n    y := new(int)\n    *y = 1\n}\n\nfunc f() {\n    var x int\n    x = 1\n    global = &amp;x\n}\n\nfunc main() {\n    g()\n    f()\n}\n<\/code><\/pre>\n<p>\u200b   \u5206\u6790\u524d\u987b\u77e51<\/p>\n<pre><code class=\"language-go\">\u51fd\u6570\u7684\u53c2\u6570\u53d8\u91cf\u548c\u8fd4\u56de\u503c\u53d8\u91cf\u90fd\u662f\u5c40\u90e8\u53d8\u91cf\uff0c\u5b83\u4eec\u5728\u51fd\u6570\u6bcf\u6b21\u88ab\u8c03\u7528\u7684\u65f6\u5019\u521b\u5efa\uff0c\u800c\u6bcf\u8fd0\u884c\u4e00\u4e2a\u51fd\u6570, \u5c31\u4f1a\u4ea7\u751f\u4e86\u4e00\u4e2a\u6808\u5e27\uff0c\u51fd\u6570\u5185\u7684\u53d8\u91cf\u90fd\u5b58\u653e\u4e8e\u6808\u5e27\u5185\uff0c\u6808\u5e27\u7684\u7a7a\u95f4\u4f1a\u968f\u7740\u51fd\u6570\u8c03\u7528\u7ed3\u675f\u800c\u88ab\u7cfb\u7edf\u81ea\u52a8\u56de\u6536\uff0c\u6b64\u65f6\u5e76\u6ca1\u6709GC\u673a\u5236\u4ec0\u4e48\u4e8b\uff0c\u56e0\u4e3aGC\u7ba1\u7406\u7684\u5c31\u662f\u5806\u533a\u5185\u5bb9\u3002<\/code><\/pre>\n<p>\u200b   \u5206\u6790\u547d\u4ee4<\/p>\n<pre><code class=\"language-go\">$ go run -gcflags &quot;-m -l&quot; test.go \n# command-line-arguments\n.\/test1.go:6:10: new(int) does not escape \/\/ \u7b2c6\u884c\u4ee3\u7801new(int)\u6ca1\u6709\u53d1\u751f\u9003\u9038\n.\/test1.go:11:6: moved to heap: x         \/\/ \u7b2c11\u884c\u4ee3\u7801\u521b\u5efa\u7684x\u79fb\u52a8\u5230\u4e86\u5806\u533a<\/code><\/pre>\n<p>\u200b   \u51fd\u6570g\u8fd4\u56de\u65f6\uff0c\u53d8\u91cf<code>y<\/code>\u4e0d\u518d\u53ef\u8fbe\uff0c\u5373\u51fd\u6570g\u5185\u7684\u53d8\u91cf\u4ece\u59cb\u81f3\u7ec8\u90fd\u5904\u4e8e\u51fd\u6570\u6808\u5e27\u5185\uff0c\u5e76\u65e0\u9003\u9038\u4e00\u8bf4\uff0c\u4f1a\u5728\u51fd\u6570\u8fd4\u56de\u65f6\u7531\u7cfb\u7edf\u81ea\u52a8\u56de\u6536\u6808\u5e27\u7a7a\u95f4\u3002<\/p>\n<p>\u200b   f\u51fd\u6570\u91cc\u7684x\u53d8\u91cf\u6700\u5148\u88ab\u5206\u914d\u5230\u4e86\u51fd\u6570\u7684\u6808\u5e27\u7a7a\u95f4\u5185\uff0c\u800c\u6211\u4eec\u77e5\u9053\u5728\u51fd\u6570f\u8c03\u7528\u5b8c\u6bd5\u540e\uff0c\u51fd\u6570\u7684\u6808\u5e27\u5c31\u88ab\u7cfb\u7edf\u56de\u6536\uff0c\u4f46\u662f\u56e0\u4e3a\u53d8\u91cfx\u7684\u5730\u5740\u8d4b\u503c\u7ed9\u4e86\u5305\u4e00\u7ea7\u7684\u53d8\u91cfglobal\uff0c\u6240\u4ee5\u6b64\u65f6\u867d\u7136\u51fd\u6570f\u5df2\u7ecf\u7ed3\u675f\u4f46\u53d8\u91cfx\u4ecd\u7136\u662f\u53ef\u8fbe\u7684\uff0c\u5728\u5e95\u5c42\u82e5\u60f3\u4fdd\u6301\u51fd\u6570\u5185\u7684\u53d8\u91cfx\u7684\u53ef\u8bbf\u8fbe\u6027\uff0c\u5219\u5fc5\u987b\u5c06\u5176\u5206\u914d\u5230\u5806\u533a\u4e0a\uff0c\u4ee5\u9632\u6b62\u968f\u6808\u5e27\u7a7a\u95f4\u4e00\u8d77\u9500\u6bc1\uff0c\u8fd9\u5c31\u53eb\u201c\u6808\u9003\u9038\u201d\uff0c\u5f62\u8c61\u4e00\u70b9\u8bf4\u5c31\u662f\uff1a\u56e0\u4e3a\u5bb3\u6015\u7559\u5728\u6808\u533a\u5185\u800c\u88ab\u7cfb\u7edf\u8fde\u540c\u51fd\u6570\u6808\u5e27\u5185\u6240\u6709\u53d8\u91cf\u4e00\u5e76\u5e26\u8d70\/\u56e2\u706d\u800c\u9003\u4e86\u5806\u533a\u4e0a\u3002\u5806\u533a\u7684\u5185\u5bb9\u88abGC\u673a\u5236\u63a5\u7ba1\uff0c\u76f4\u5230\u53d8\u91cf\u4e0d\u53ef\u8bbf\u8fbe\u4fbf\u4f1a\u88abGC\u56de\u6536\u3002<\/p>\n<p>\u200b   \u5176\u5b9e\uff0c\u7f16\u8bd1\u5668\u53ef\u4ee5\u9009\u62e9\u5728\u6808\u533a\u5206\u914d*y\u7684\u5b58\u50a8\u7a7a\u95f4\uff0c\u4e5f\u53ef\u4ee5\u9009\u62e9\u5728\u5806\u533a\u4e0a\u5206\u914d\uff0c\u8fd9\u4e00\u5207\u5747\u7531\u7f16\u8bd1\u5668\u51b3\u5b9a\uff0c\u5373\u4fbf\u662f\u6211\u4eec\u4e4b\u524d\u63d0\u5230\u7684\u5185\u7f6e\u51fd\u6570new\u521b\u5efa\u7684\uff0c\u6211\u8bf4\u7684\u4e5f\u662f\u4e00\u822c\u60c5\u51b5\u4e0b<code>new()<\/code>\u51fa\u6765\u7684\u90fd\u5b58\u50a8\u5728\u7528\u6237\u533a\u7684<strong>heap(\u5806)\u533a<\/strong>\uff0c\u800c\u975e\u7edd\u5bf9\u3002\u6240\u4ee5&quot;\u9003\u9038&quot;\u8fd9\u4e00\u672f\u8bed\u662f\u5bf9\u660e\u786e\u88ab\u5206\u914d\u5230\u5806\u533a\u7684\u4e00\u79cd\u6982\u62ec\u7684\u8bf4\u6cd5\uff0c\u5e76\u975e\u662f\u771f\u7684\u5168\u90fd\u662f\u7531\u6808\u533a\u9003\u9038\u5230\u5806\u533a\u7684\uff0c\u53ef\u80fd\u4e00\u5f00\u59cb\u5c31\u662f\u88ab\u5206\u914d\u5230\u4e86\u5806\u533a\u3002<\/p>\n<p>\u200b   <\/p>\n<p>\u200b   \u4f8b2\uff1a\u6211\u4eec\u7f16\u5199\u5982\u4e0b\u4ee3\u7801\uff0c\u5bf9\u6808\u9003\u9038\u8fdb\u884c\u89e3\u6790<\/p>\n<pre><code class=\"language-go\">package main\n\nimport &quot;fmt&quot;\n\nfunc dummy(b int) int {\n    var c int\n    c = b\n    return c\n}\n\nfunc main() {\n    var a int\n    fmt.Println(a)\n    fmt.Println(dummy(0))\n\n}<\/code><\/pre>\n<p>\u200b   \u5206\u6790\u547d\u4ee4<\/p>\n<pre><code class=\"language-go\">$ go run -gcflags &quot;-m -l&quot; test.go \n# command-line-arguments\n.\/test.go:13:13: ... argument does not escape\n.\/test.go:13:13: a escapes to heap \/\/ a\u9003\u9038\u5230\u4e86\u5806\u533a\n.\/test.go:14:13: ... argument does not escape\n.\/test.go:14:19: dummy(0) escapes to heap \/\/ \u51fd\u6570\u7684\u8fd4\u56de\u503c\u9003\u9038\u5230\u4e86\u5806\u533a\n0\n0<\/code><\/pre>\n<p>\u200b   \u51fd\u6570\u5728\u8fd0\u884c\u65f6\uff0c\u5982\u679c\u53d8\u91cf\u4e0d\u518d\u88ab\u5f15\u7528\u4e86\u4e0d\u5e94\u8be5\u4e00\u76f4\u7b49\u5230\u51fd\u6570\u5b8c\u5168\u7ed3\u675f\u540e\u968f\u7740\u6808\u5e27\u4e00\u8d77\u88ab\u5e26\u8d70\/\u56de\u6536\uff0c\u5e94\u8be5\u9003\u9038\u5230\u6808\u4e0a\u88abGC\u673a\u5236\u56de\u6536\uff0c\u6240\u4ee5main\u51fd\u6570\u4e2d\u7684a\u4e5f\u51fa\u73b0\u4e86\u9003\u9038\u3002<\/p>\n<p>\u200b   dummy(0)\u867d\u7136\u8c03\u7528\u5b8c\u4e86\uff0c\u4f46\u5b83\u7684\u8fd4\u56de\u503c\u5728\u88ab\u5f15\u7528\u4e86\uff08main\u51fd\u6570\u4e2d\u7684fmt.Println\uff09\uff0c\u6240\u4ee5\u5b83\u7684\u8fd4\u56de\u503c\u4e0d\u5e94\u8be5\u968f\u7740\u6808\u5e27\u7684\u6d88\u4ea1\u800c\u4e00\u8d77\u6d88\u4ea1\uff0c\u6240\u4ee5\u4e5f\u53d1\u751f\u4e86\u9003\u9038\u3002<\/p>\n<h4>2.2.6 \u51fd\u6570\u7684\u4f20\u53c2<\/h4>\n<p>\u660e\u767d\u4e86\u4e0a\u9762\u7684\u5185\u5bb9, \u6211\u4eec\u518d\u53bb\u4e86\u89e3<strong>\u6307\u9488\u4f5c\u4e3a\u51fd\u6570\u53c2\u6570<\/strong>\u5c31\u4f1a\u5bb9\u6613\u5f88\u591a.<\/p>\n<p>\u4f20\u9012\u7684\u53c2\u6570\u53ef\u4ee5\u5206\u4e3a\u4e24\u79cd\uff1a<\/p>\n<ul>\n<li>1\u3001\u4f20\u5730\u5740(\u5f15\u7528): \u5c06\u5730\u5740\u503c\u4f5c\u4e3a\u51fd\u6570\u53c2\u6570\u4f20\u9012.<\/li>\n<li>2\u3001\u4f20\u503c(\u6570\u636e): \u5c06\u5b9e\u53c2\u7684\u503c<strong>\u62f7\u8d1d<\/strong>\u4e00\u4efd\u7ed9\u5f62\u53c2.<\/li>\n<\/ul>\n<p><strong>\u65e0\u8bba\u662f\u4f20\u5730\u5740\u8fd8\u662f\u4f20\u503c, \u90fd\u662f\u5b9e\u53c2\u5c06\u81ea\u5df1\u7684\u503c\u62f7\u8d1d\u4e00\u4efd\u7ed9\u5f62\u53c2.\u53ea\u4e0d\u8fc7\u8fd9\u4e2a\u503c\u6709\u53ef\u80fd\u662f\u5730\u5740, \u6709\u53ef\u80fd\u662f\u6570\u636e.<\/strong><\/p>\n<p><strong>\u6240\u4ee5, \u51fd\u6570\u4f20\u53c2\u6c38\u8fdc\u90fd\u662f\u503c\u4f20\u9012.<\/strong><\/p>\n<p>\u4e86\u89e3\u4e86\u6982\u5ff5\u4e4b\u540e, \u6211\u4eec\u6765\u770b\u4e00\u4e2a\u7ecf\u5178\u7684\u4f8b\u5b50:<\/p>\n<pre><code class=\"language-go\">package main\n\nimport &quot;fmt&quot;\n\nfunc swap(x, y int){\n    x, y = y, x\n    fmt.Println(&quot;swap  x: &quot;, x, &quot;y: &quot;, y)\n}\n\nfunc main(){\n    x, y := 10, 20\n    swap(x, y)\n    fmt.Println(&quot;main  x: &quot;, x, &quot;y: &quot;, y)\n}<\/code><\/pre>\n<p>\u7ed3\u679c:<\/p>\n<pre><code class=\"language-go\">swap  x:  20 y:  10\nmain  x:  10 y:  20<\/code><\/pre>\n<p>\u6211\u4eec\u5148\u6765\u7b80\u5355\u5206\u6790\u4e00\u4e0b\u4e3a\u4ec0\u4e48\u4e0d\u4e00\u6837.<\/p>\n<p>\u9996\u5148\u5f53\u8fd0\u884c <code>main()<\/code> \u65f6, \u7cfb\u7edf\u5728\u6808\u533a\u4ea7\u751f\u4e00\u4e2a\u6808\u5e27, \u8be5\u6808\u5e27\u91cc\u6709 <code>x<\/code> \u548c <code>y<\/code> \u4e24\u4e2a\u53d8\u91cf.<\/p>\n<p>\u5f53\u8fd0\u884c <code>swap()<\/code> \u65f6, \u7cfb\u7edf\u5728\u6808\u533a\u4ea7\u751f\u4e00\u4e2a\u6808\u5e27, \u8be5\u6808\u5e27\u91cc\u9762\u6709 <code>x<\/code> \u548c <code>y<\/code> \u4e24\u4e2a\u53d8\u91cf.<\/p>\n<p>\u8fd0\u884c <code>x, y = y, x<\/code> \u540e, \u4ea4\u6362 <code>swap()<\/code> \u4ea7\u751f\u7684\u6808\u5e27\u91cc\u7684 <code>xy<\/code> \u503c. \u8fd9\u65f6 <code>main()<\/code> \u91cc\u7684 <code>xy<\/code> \u6ca1\u6709\u53d8.<\/p>\n<p><code>swap()<\/code> \u8fd0\u884c\u5b8c\u6bd5\u540e, \u5bf9\u5e94\u7684\u6808\u5e27\u91ca\u653e, \u6808\u5e27\u91cc\u7684<code>x<\/code> <code>y<\/code> \u503c\u4e5f\u968f\u4e4b\u6d88\u5931.<\/p>\n<p>\u6240\u4ee5, \u5f53\u8fd0\u884c <code>fmt.Println(&quot;main x: &quot;, x, &quot;y: &quot;, y)<\/code> \u8fd9\u53e5\u8bdd\u65f6, \u5176\u503c\u4f9d\u7136\u6ca1\u6709\u53d8.<\/p>\n<p>\u63a5\u4e0b\u6765\u6211\u4eec\u770b\u4e00\u4e0b<strong>\u53c2\u6570\u4e3a\u5730\u5740\u503c\u65f6\u7684\u60c5\u51b5.<\/strong><\/p>\n<p>\u4f20\u5730\u5740\u7684\u6838\u5fc3\u601d\u60f3\u662f: <strong>\u5728\u81ea\u5df1\u7684\u6808\u5e27\u7a7a\u95f4\u4e2d\u4fee\u6539\u5176\u5b83\u6808\u5e27\u7a7a\u95f4\u4e2d\u7684\u503c.<\/strong><\/p>\n<p>\u800c\u4f20\u503c\u7684\u601d\u60f3\u662f: <strong>\u5728\u81ea\u5df1\u7684\u6808\u5e27\u7a7a\u95f4\u4e2d\u4fee\u6539\u81ea\u5df1\u6808\u5e27\u7a7a\u95f4\u4e2d\u7684\u503c.<\/strong><\/p>\n<p>\u6ce8\u610f\u7406\u89e3\u5176\u4e2d\u7684\u5dee\u522b.<\/p>\n<p>\u7ee7\u7eed\u770b\u4ee5\u4e0b\u8fd9\u6bb5\u4ee3\u7801:<\/p>\n<pre><code class=\"language-go\">package main\n\nimport &quot;fmt&quot;\n\nfunc swap2(a, b *int){\n    *a, *b = *b, *a\n}\n\nfunc main(){\n    x, y := 10, 20\n    swap2(&amp;x, &amp;y)\n    fmt.Println(&quot;main  x: &quot;, x, &quot;y: &quot;, y)\n}<\/code><\/pre>\n<p>\u7ed3\u679c:<\/p>\n<pre><code class=\"language-go\">main  x:  20 y:  10<\/code><\/pre>\n<p>\u8fd9\u91cc\u5e76\u6ca1\u6709\u8fdd\u53cd <code>\u51fd\u6570\u4f20\u53c2\u6c38\u8fdc\u90fd\u662f\u503c\u4f20\u9012<\/code> \u8fd9\u53e5\u8bdd, \u53ea\u4e0d\u8fc7\u8fd9\u4e2a\u65f6\u5019\u8fd9\u4e2a\u503c\u4e3a\u5730\u5740\u503c.<\/p>\n<p>\u8fd9\u4e2a\u65f6\u5019, <code>x<\/code> \u4e0e <code>y<\/code> \u7684\u503c\u5c31\u5b8c\u6210\u4e86\u4ea4\u6362.<\/p>\n<p>\u6211\u4eec\u6765\u5206\u6790\u4e00\u4e0b\u8fd9\u4e2a\u8fc7\u7a0b.<\/p>\n<p>\u9996\u5148\u8fd0\u884c <code>main()<\/code> \u540e\u521b\u5efa\u4e00\u4e2a\u6808\u5e27, \u91cc\u9762\u6709 <code>x<\/code> <code>y<\/code> \u4e24\u4e2a\u53d8\u91cf.<\/p>\n<p>\u8fd0\u884c <code>swap2()<\/code> \u65f6, \u540c\u6837\u521b\u5efa\u4e00\u4e2a\u6808\u5e27, \u91cc\u9762\u6709 <code>a<\/code> <code>b<\/code> \u4e24\u4e2a\u53d8\u91cf.<\/p>\n<p><strong>\u6ce8\u610f\u8fd9\u4e2a\u65f6\u5019,<\/strong> <code>a<\/code> <strong>\u548c<\/strong> <code>b<\/code> <strong>\u4e2d\u5b58\u50a8\u7684\u503c\u662f<\/strong> <code>x<\/code> <strong>\u548c<\/strong> <code>y<\/code> <strong>\u7684\u5730\u5740.<\/strong><\/p>\n<p>\u5f53\u8fd0\u884c\u5230 <code>*a, *b = *b, *a<\/code> \u65f6, \u5de6\u8fb9\u7684 <code>*a<\/code> \u4ee3\u8868\u7684\u662f <code>x<\/code> \u7684\u5185\u5b58\u5730\u5740, \u53f3\u8fb9\u7684 <code>*b<\/code> \u4ee3\u8868\u7684\u662f <code>y<\/code> \u7684\u5185\u5b58\u5730\u5740\u4e2d\u7684\u5185\u5bb9. \u6240\u4ee5\u8fd9\u4e2a\u65f6\u5019, <code>main()<\/code> \u4e2d\u7684 <code>x<\/code> \u5c31\u88ab\u66ff\u6362\u6389\u4e86.<\/p>\n<p>\u6240\u4ee5, <strong>\u8fd9\u662f\u5728<\/strong> <code>swap2()<\/code> <strong>\u4e2d\u64cd\u4f5c<\/strong> <code>main()<\/code> <strong>\u91cc\u7684\u53d8\u91cf\u503c.<\/strong><\/p>\n<p>\u73b0\u5728 <code>swap2()<\/code> \u518d\u91ca\u653e\u4e5f\u6ca1\u6709\u5173\u7cfb\u4e86, \u56e0\u4e3a <code>main()<\/code> \u91cc\u7684\u503c\u5df2\u7ecf\u88ab\u6539\u4e86.<\/p>\n<h4>2.2.7 \u4e86\u89e3<\/h4>\n<p>\u200b   \u5176\u5b9e\uff0c\u5728\u4efb\u4f55\u65f6\u5019\uff0c\u4f60\u5e76\u4e0d\u9700\u4e3a\u4e86\u7f16\u5199\u6b63\u786e\u7684\u4ee3\u7801\u800c\u8981\u8003\u8651\u53d8\u91cf\u7684\u9003\u9038\u884c\u4e3a\uff0c\u8981\u8bb0\u4f4f\u7684\u662f\uff0c\u9003\u9038\u7684\u53d8\u91cf\u9700\u8981\u989d\u5916\u5206\u914d\u5185\u5b58\uff0c\u540c\u65f6\u5bf9\u6027\u80fd\u7684\u4f18\u5316\u53ef\u80fd\u4f1a\u4ea7\u751f\u7ec6\u5fae\u7684\u5f71\u54cd\u3002<\/p>\n<p>\u200b   <strong>Go\u8bed\u8a00\u7684\u81ea\u52a8\u5783\u573e\u6536\u96c6\u5668\u5bf9\u7f16\u5199\u6b63\u786e\u7684\u4ee3\u7801\u662f\u4e00\u4e2a\u5de8\u5927\u7684\u5e2e\u52a9\uff0c\u4f46\u4e5f\u5e76\u4e0d\u662f\u8bf4\u4f60\u5b8c\u5168\u4e0d\u7528\u8003\u8651\u5185\u5b58\u4e86\u3002\u4f60\u867d\u7136\u4e0d\u9700\u8981\u663e\u5f0f\u5730\u5206\u914d\u548c\u91ca\u653e\u5185\u5b58\uff0c\u4f46\u662f\u8981\u7f16\u5199\u9ad8\u6548\u7684\u7a0b\u5e8f\u4f60\u4f9d\u7136\u9700\u8981\u4e86\u89e3\u53d8\u91cf\u7684\u751f\u547d\u5468\u671f\u3002\u4f8b\u5982\uff0c\u5982\u679c\u5c06\u6307\u5411\u77ed\u751f\u547d\u5468\u671f\u5bf9\u8c61\u7684\u6307\u9488\u4fdd\u5b58\u5230\u5177\u6709\u957f\u751f\u547d\u5468\u671f\u7684\u5bf9\u8c61\u4e2d\uff0c\u7279\u522b\u662f\u4fdd\u5b58\u5230\u5168\u5c40\u53d8\u91cf\u65f6\uff0c\u4f1a\u963b\u6b62\u5bf9\u77ed\u751f\u547d\u5468\u671f\u5bf9\u8c61\u7684\u5783\u573e\u56de\u6536\uff08\u4ece\u800c\u53ef\u80fd\u5f71\u54cd\u7a0b\u5e8f\u7684\u6027\u80fd\uff09\u3002<\/strong><\/p>\n<p>\u200b   \u5728\u672c\u6587\u4ecb\u7ecd\u4e86\u9003\u9038\u5206\u6790\u7684\u6982\u5ff5\u548c\u89c4\u5219\uff0c\u5e76\u5217\u4e3e\u4e86\u4e00\u4e9b\u4f8b\u5b50\u52a0\u6df1\u7406\u89e3\u3002\u4f46\u5b9e\u9645\u80af\u5b9a\u8fdc\u8fdc\u4e0d\u6b62\u8fd9\u4e9b\u6848\u4f8b\uff0c\u9047\u5230\u5177\u4f53\u7684\u60c5\u51b5\u53ef\u4ee5\u6839\u636e\u4ee3\u7801\u5177\u4f53\u5206\u6790\u5c31\u597d\u3002\u5176\u5b9e\u4e86\u89e3\u5c31\u53ef\u4ee5\u4e86<\/p>\n<ul>\n<li>\n<p>\u9759\u6001\u5206\u914d\u5230\u6808\u4e0a\uff0c\u6027\u80fd\u4e00\u5b9a\u6bd4\u52a8\u6001\u5206\u914d\u5230\u5806\u4e0a\u597d<\/p>\n<\/li>\n<li>\n<p>\u5e95\u5c42\u5206\u914d\u5230\u5806\uff0c\u8fd8\u662f\u6808\u3002\u5b9e\u9645\u4e0a\u5bf9\u4f60\u6765\u8bf4\u662f\u900f\u660e\u7684\uff0c\u4e0d\u9700\u8981\u8fc7\u5ea6\u5173\u5fc3<\/p>\n<\/li>\n<li>\n<p>\u6bcf\u4e2a Go \u7248\u672c\u7684\u9003\u9038\u5206\u6790\u90fd\u4f1a\u6709\u6240\u4e0d\u540c\uff08\u4f1a\u6539\u53d8\uff0c\u4f1a\u4f18\u5316\uff09<\/p>\n<\/li>\n<li>\n<p>\u76f4\u63a5\u901a\u8fc7 <code>go build -gcflags &#039;-m -l&#039;<\/code> \u5c31\u53ef\u4ee5\u770b\u5230\u9003\u9038\u5206\u6790\u7684\u8fc7\u7a0b\u548c\u7ed3\u679c<\/p>\n<pre><code class=\"language-go\">\u9003\u9038\u5206\u6790\u65b9\u6cd5\u6709\u4e24\u79cd\uff1a\n\/\/ \u7b2c\u4e00\n\u901a\u8fc7\u7f16\u8bd1\u5668\u547d\u4ee4\uff0c\u5c31\u53ef\u4ee5\u770b\u5230\u8be6\u7ec6\u7684\u9003\u9038\u5206\u6790\u8fc7\u7a0b\u3002\u800c\u6307\u4ee4\u96c6 -gcflags \u7528\u4e8e\u5c06\u6807\u8bc6\u53c2\u6570\u4f20\u9012\u7ed9 Go \u7f16\u8bd1\u5668\uff0c\u6d89\u53ca\u5982\u4e0b\uff1a\n\n-m \u4f1a\u6253\u5370\u51fa\u9003\u9038\u5206\u6790\u7684\u4f18\u5316\u7b56\u7565\uff0c\u5b9e\u9645\u4e0a\u6700\u591a\u603b\u5171\u53ef\u4ee5\u7528 4 \u4e2a -m\uff0c\u4f46\u662f\u4fe1\u606f\u91cf\u8f83\u5927\uff0c\u4e00\u822c\u7528 1 \u4e2a\u5c31\u53ef\u4ee5\u4e86\n\n-l \u4f1a\u7981\u7528\u51fd\u6570\u5185\u8054\uff0c\u5728\u8fd9\u91cc\u7981\u7528\u6389 inline \u80fd\u66f4\u597d\u7684\u89c2\u5bdf\u9003\u9038\u60c5\u51b5\uff0c\u51cf\u5c11\u5e72\u6270\n\n$ go build -gcflags '-m -l' main.go\n\n\/\/ \u7b2c\u4e8c\n\u901a\u8fc7\u53cd\u7f16\u8bd1\u547d\u4ee4\u67e5\u770b\n$ go tool compile -S main.go\n\u6ce8\uff1a\u53ef\u4ee5\u901a\u8fc7 go tool compile -help \u67e5\u770b\u6240\u6709\u5141\u8bb8\u4f20\u9012\u7ed9\u7f16\u8bd1\u5668\u7684\u6807\u8bc6\u53c2\u6570<\/code><\/pre>\n<\/li>\n<li>\n<p>\u5230\u5904\u90fd\u7528\u6307\u9488\u4f20\u9012\u5e76\u4e0d\u4e00\u5b9a\u662f\u6700\u597d\u7684\uff0c\u8981\u7528\u5bf9<\/p>\n<\/li>\n<\/ul>\n<p>\u5f85\u8865\u5145\uff1a============================<\/p>\n<h3><strong>\u9003\u9038\u5206\u6790<\/strong><\/h3>\n<p>\u6240\u8c13\u9003\u9038\u5206\u6790\uff08Escape analysis\uff09\u662f\u6307\u7531\u7f16\u8bd1\u5668\u51b3\u5b9a\u5185\u5b58\u5206\u914d\u7684\u4f4d\u7f6e\uff0c\u4e0d\u9700\u8981\u7a0b\u5e8f\u5458\u6307\u5b9a\u3002 \u51fd\u6570\u4e2d\u7533\u8bf7\u4e00\u4e2a\u65b0\u7684\u5bf9\u8c61<\/p>\n<ul>\n<li>\u5982\u679c\u5206\u914d\u5728\u6808\u4e2d\uff0c\u5219\u51fd\u6570\u6267\u884c\u7ed3\u675f\u53ef\u81ea\u52a8\u5c06\u5185\u5b58\u56de\u6536\uff1b<\/li>\n<li>\u5982\u679c\u5206\u914d\u5728\u5806\u4e2d\uff0c\u5219\u51fd\u6570\u6267\u884c\u7ed3\u675f\u53ef\u4ea4\u7ed9GC\uff08\u5783\u573e\u56de\u6536\uff09\u5904\u7406;<\/li>\n<\/ul>\n<p>\u6709\u4e86\u9003\u9038\u5206\u6790\uff0c\u8fd4\u56de\u51fd\u6570\u5c40\u90e8\u53d8\u91cf\u5c06\u53d8\u5f97\u53ef\u80fd\uff0c\u9664\u6b64\u4e4b\u5916\uff0c\u9003\u9038\u5206\u6790\u8fd8\u8ddf\u95ed\u5305\u606f\u606f\u76f8\u5173\uff0c\u4e86\u89e3\u54ea\u4e9b\u573a\u666f\u4e0b\u5bf9\u8c61\u4f1a\u9003\u9038\u81f3\u5173\u91cd\u8981\u3002<\/p>\n<h3><strong>\u9003\u9038\u7b56\u7565<\/strong><\/h3>\n<p>\u6bcf\u5f53\u51fd\u6570\u4e2d\u7533\u8bf7\u65b0\u7684\u5bf9\u8c61\uff0c\u7f16\u8bd1\u5668\u4f1a\u8ddf\u636e\u8be5\u5bf9\u8c61\u662f\u5426\u88ab\u51fd\u6570\u5916\u90e8\u5f15\u7528\u6765\u51b3\u5b9a\u662f\u5426\u9003\u9038\uff1a<\/p>\n<ol>\n<li>\u5982\u679c\u51fd\u6570\u5916\u90e8\u6ca1\u6709\u5f15\u7528\uff0c\u5219\u4f18\u5148\u653e\u5230\u6808\u4e2d\uff1b<\/li>\n<li>\u5982\u679c\u51fd\u6570\u5916\u90e8\u5b58\u5728\u5f15\u7528\uff0c\u5219\u5fc5\u5b9a\u653e\u5230\u5806\u4e2d\uff1b<\/li>\n<\/ol>\n<p><strong>\u6ce8\u610f\uff0c\u5bf9\u4e8e\u51fd\u6570\u5916\u90e8\u6ca1\u6709\u5f15\u7528\u7684\u5bf9\u8c61\uff0c\u4e5f\u6709\u53ef\u80fd\u653e\u5230\u5806\u4e2d\uff0c\u6bd4\u5982\u5185\u5b58\u8fc7\u5927\u8d85\u8fc7\u6808\u7684\u5b58\u50a8\u80fd\u529b<\/strong><\/p>\n<h3><strong>\u9003\u9038\u573a\u666f<\/strong><\/h3>\n<h3><strong>\u6307\u9488\u9003\u9038<\/strong><\/h3>\n<p>\u6211\u4eec\u77e5\u9053GC\u53ef\u4ee5\u8fd4\u56de\u5c40\u90e8\u53d8\u91cf\u7684\u6307\u9488\uff0c\u8fd9\u5176\u5b9e\u662f\u4e00\u4e2a\u5178\u578b\u7684\u53d8\u91cf\u9003\u9038\u6848\u4f8b\uff0c\u4ee3\u7801\u5982\u4e0b\uff1a<\/p>\n<pre><code class=\"language-text\">package main\n\ntype Student struct {\n    Name string\n    Age  int\n}\n\nfunc StudentRegister(name string, age int) *Student {\n    s := new(Student) \/\/\u5c40\u90e8\u53d8\u91cfs\u9003\u9038\u5230\u5806\n\n    s.Name = name\n    s.Age = age\n\n    return s\n}\n\nfunc main() {\n    StudentRegister(&quot;Jim&quot;, 18)\n}<\/code><\/pre>\n<p>\u51fd\u6570StudentRegister()\u5185\u90e8s\u4e3a\u5c40\u90e8\u53d8\u91cf\uff0c\u5176\u503c\u901a\u8fc7\u51fd\u6570\u8fd4\u56de\u503c\u8fd4\u56de\uff0cs\u672c\u8eab\u4e3a\u4e00\u6307\u9488\uff0c\u5176\u6307\u5411\u7684\u5185\u5b58\u5730\u5740\u4e0d\u4f1a\u662f\u6808\u800c\u662f\u5806\uff0c\u8fd9\u5c31\u662f\u5178\u578b\u7684\u9003\u9038\u6848\u4f8b\u3002<\/p>\n<p>\u901a\u8fc7\u7f16\u8bd1\u53c2\u6570-gcflag=-m\u53ef\u4ee5\u67e5\u5e74\u7f16\u8bd1\u8fc7\u7a0b\u4e2d\u7684\u9003\u9038\u5206\u6790\uff1a<\/p>\n<pre><code class=\"language-text\">D:\\SourceCode\\GoExpert\\src&gt;go build -gcflags=-m\n# _\/D_\/SourceCode\/GoExpert\/src\n.\\main.go:8: can inline StudentRegister\n.\\main.go:17: can inline main\n.\\main.go:18: inlining call to StudentRegister\n.\\main.go:8: leaking param: name\n.\\main.go:9: new(Student) escapes to heap\n.\\main.go:18: main new(Student) does not escape<\/code><\/pre>\n<p>\u53ef\u89c1\u5728StudentRegister()\u51fd\u6570\u4e2d\uff0c\u4e5f\u5373\u4ee3\u7801\u7b2c9\u884c\u663e\u793a\u201descapes to heap\u201d\uff0c\u4ee3\u8868\u8be5\u884c\u5185\u5b58\u5206\u914d\u53d1\u751f\u4e86\u9003\u9038\u73b0\u8c61\u3002<\/p>\n<h3><strong>\u6808\u7a7a\u95f4\u4e0d\u8db3\u9003\u9038<\/strong><\/h3>\n<pre><code class=\"language-text\">package main\n\nfunc Slice() {\n    s := make([]int, 1000, 1000)\n\n    for index, _ := range s {\n        s[index] = index\n    }\n}\n\nfunc main() {\n    Slice()\n}<\/code><\/pre>\n<p>\u4e0a\u9762\u4ee3\u7801Slice()\u51fd\u6570\u4e2d\u5206\u914d\u4e86\u4e00\u4e2a1000\u4e2a\u957f\u5ea6\u7684\u5207\u7247\uff0c\u662f\u5426\u9003\u9038\u53d6\u51b3\u4e8e\u6808\u7a7a\u95f4\u662f\u5426\u8db3\u591f\u5927\u3002 \u76f4\u63a5\u67e5\u770b\u7f16\u8bd1\u63d0\u793a\uff0c\u5982\u4e0b\uff1a<\/p>\n<pre><code class=\"language-text\">D:\\SourceCode\\GoExpert\\src&gt;go build -gcflags=-m\n# _\/D_\/SourceCode\/GoExpert\/src\n.\\main.go:4: Slice make([]int, 1000, 1000) does not escape<\/code><\/pre>\n<p>\u6211\u4eec\u53d1\u73b0\u6b64\u5904\u5e76\u6ca1\u6709\u53d1\u751f\u9003\u9038\u3002\u90a3\u4e48\u628a\u5207\u7247\u957f\u5ea6\u6269\u592710\u500d\u537310000\u4f1a\u5982\u4f55\u5462?<\/p>\n<pre><code class=\"language-text\">D:\\SourceCode\\GoExpert\\src&gt;go build -gcflags=-m\n# _\/D_\/SourceCode\/GoExpert\/src\n.\\main.go:4: make([]int, 10000, 10000) escapes to heap<\/code><\/pre>\n<p>\u6211\u4eec\u53d1\u73b0\u5f53\u5207\u7247\u957f\u5ea6\u6269\u5927\u523010000\u65f6\u5c31\u4f1a\u9003\u9038\u3002<\/p>\n<p>\u5b9e\u9645\u4e0a<strong>\u5f53\u6808\u7a7a\u95f4\u4e0d\u8db3\u4ee5\u5b58\u653e\u5f53\u524d\u5bf9\u8c61\u65f6\u6216\u65e0\u6cd5\u5224\u65ad\u5f53\u524d\u5207\u7247\u957f\u5ea6\u65f6<\/strong>\u4f1a\u5c06\u5bf9\u8c61\u5206\u914d\u5230\u5806\u4e2d\u3002<\/p>\n<h3><strong>\u52a8\u6001\u7c7b\u578b\u9003\u9038<\/strong><\/h3>\n<p>\u5f88\u591a\u51fd\u6570\u53c2\u6570\u4e3ainterface\u7c7b\u578b\uff0c\u6bd4\u5982fmt.Println(a \u2026interface{})\uff0c\u7f16\u8bd1\u671f\u95f4\u5f88\u96be\u786e\u5b9a\u5176\u53c2\u6570\u7684\u5177\u4f53\u7c7b\u578b\uff0c\u4e5f\u4eba\u4ea7\u751f\u9003\u9038\u3002 \u5982\u4e0b\u4ee3\u7801\u6240\u793a\uff1a<\/p>\n<pre><code class=\"language-text\">package main\n\nimport &quot;fmt&quot;\n\nfunc main() {\n    s := &quot;Escape&quot;\n    fmt.Println(s)\n}<\/code><\/pre>\n<p>\u4e0a\u8ff0\u4ee3\u7801s\u53d8\u91cf\u53ea\u662f\u4e00\u4e2astring\u7c7b\u578b\u53d8\u91cf\uff0c\u8c03\u7528fmt.Println()\u65f6\u4f1a\u4ea7\u751f\u9003\u9038\uff1a<\/p>\n<pre><code class=\"language-text\">D:\\SourceCode\\GoExpert\\src&gt;go build -gcflags=-m\n# _\/D_\/SourceCode\/GoExpert\/src\n.\\main.go:7: s escapes to heap\n.\\main.go:7: main ... argument does not escape<\/code><\/pre>\n<h3><strong>\u95ed\u5305\u5f15\u7528\u9003\u9038<\/strong><\/h3>\n<p>\u67d0\u8457\u540d\u7684\u5f00\u6e90\u6846\u67b6\u5b9e\u73b0\u4e86\u67d0\u4e2a\u8fd4\u56deFibonacci\u6570\u5217\u7684\u51fd\u6570\uff1a<\/p>\n<pre><code class=\"language-text\">func Fibonacci() func() int {\n    a, b := 0, 1\n    return func() int {\n        a, b = b, a+b\n        return a\n    }\n}<\/code><\/pre>\n<p>\u8be5\u51fd\u6570\u8fd4\u56de\u4e00\u4e2a\u95ed\u5305\uff0c\u95ed\u5305\u5f15\u7528\u4e86\u51fd\u6570\u7684\u5c40\u90e8\u53d8\u91cfa\u548cb\uff0c\u4f7f\u7528\u65f6\u901a\u8fc7\u8be5\u51fd\u6570\u83b7\u53d6\u8be5\u95ed\u5305\uff0c\u7136\u540e\u6bcf\u6b21\u6267\u884c\u95ed\u5305\u90fd\u4f1a\u4f9d\u6b21\u8f93\u51faFibonacci\u6570\u5217\u3002 \u5b8c\u6574\u7684\u793a\u4f8b\u7a0b\u5e8f\u5982\u4e0b\u6240\u793a\uff1a<\/p>\n<pre><code class=\"language-text\">package main\n\nimport &quot;fmt&quot;\n\nfunc Fibonacci() func() int {\n    a, b := 0, 1\n    return func() int {\n        a, b = b, a+b\n        return a\n    }\n}\n\nfunc main() {\n    f := Fibonacci()\n\n    for i := 0; i &lt; 10; i++ {\n        fmt.Printf(&quot;Fibonacci: %d\\n&quot;, f())\n    }\n}<\/code><\/pre>\n<p>\u4e0a\u8ff0\u4ee3\u7801\u901a\u8fc7Fibonacci()\u83b7\u53d6\u4e00\u4e2a\u95ed\u5305\uff0c\u6bcf\u6b21\u6267\u884c\u95ed\u5305\u5c31\u4f1a\u6253\u5370\u4e00\u4e2aFibonacci\u6570\u503c\u3002\u8f93\u51fa\u5982\u4e0b\u6240\u793a\uff1a<\/p>\n<pre><code class=\"language-text\">D:\\SourceCode\\GoExpert\\src&gt;src.exe\nFibonacci: 1\nFibonacci: 1\nFibonacci: 2\nFibonacci: 3\nFibonacci: 5\nFibonacci: 8\nFibonacci: 13\nFibonacci: 21\nFibonacci: 34\nFibonacci: 55<\/code><\/pre>\n<p>Fibonacci()\u51fd\u6570\u4e2d\u539f\u672c\u5c5e\u4e8e\u5c40\u90e8\u53d8\u91cf\u7684a\u548cb\u7531\u4e8e\u95ed\u5305\u7684\u5f15\u7528\uff0c\u4e0d\u5f97\u4e0d\u5c06\u4e8c\u8005\u653e\u5230\u5806\u4e0a\uff0c\u4ee5\u81f4\u4ea7\u751f\u9003\u9038\uff1a<\/p>\n<pre><code class=\"language-text\">D:\\SourceCode\\GoExpert\\src&gt;go build -gcflags=-m\n# _\/D_\/SourceCode\/GoExpert\/src\n.\\main.go:7: can inline Fibonacci.func1\n.\\main.go:7: func literal escapes to heap\n.\\main.go:7: func literal escapes to heap\n.\\main.go:8: &amp;a escapes to heap\n.\\main.go:6: moved to heap: a\n.\\main.go:8: &amp;b escapes to heap\n.\\main.go:6: moved to heap: b\n.\\main.go:17: f() escapes to heap\n.\\main.go:17: main ... argument does not escape<\/code><\/pre>\n<h3><strong>\u9003\u9038\u603b\u7ed3<\/strong><\/h3>\n<ul>\n<li>\u6808\u4e0a\u5206\u914d\u7684\u5bf9\u8c61\u6bd4\u5728\u5806\u4e2d\u5206\u914d\u7684\u6709\u66f4\u9ad8\u7684\u6548\u7387<\/li>\n<li>\u6808\u4e0a\u5206\u914d\u7684\u5185\u5b58\u4e0d\u9700\u8981GC\u5904\u7406<\/li>\n<li>\u5806\u4e0a\u5206\u914d\u7684\u5185\u5b58\u4f7f\u7528\u5b8c\u6bd5\u540e\u4f1a\u4ea4\u7ed9GC\u5904\u7406<\/li>\n<li>\u9003\u9038\u5206\u6790\u76ee\u7684\u662f\u51b3\u5b9a\u5185\u5b58\u5206\u914d\u5730\u5740\u662f\u6808\u8fd8\u662f\u5806<\/li>\n<li>\u9003\u9038\u5206\u6790\u5728\u7f16\u8bd1\u9636\u6bb5\u5b8c\u6210<\/li>\n<\/ul>\n<h3><strong>\u7f16\u7a0bTips<\/strong><\/h3>\n<p>\u601d\u8003\u4e00\u4e0b\u8fd9\u4e2a\u95ee\u9898\uff1a\u51fd\u6570\u4f20\u9012\u6307\u9488\u771f\u7684\u6bd4\u4f20\u503c\u6548\u7387\u9ad8\u5417\uff1f 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[&hellip;]<\/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\/7947"}],"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=7947"}],"version-history":[{"count":0,"href":"https:\/\/egonlin.com\/index.php?rest_route=\/wp\/v2\/posts\/7947\/revisions"}],"wp:attachment":[{"href":"https:\/\/egonlin.com\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=7947"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/egonlin.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=7947"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/egonlin.com\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=7947"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}