{"id":433058,"date":"2024-01-11T04:54:21","date_gmt":"2024-01-11T03:54:21","guid":{"rendered":"https:\/\/blog.jetbrains.com\/?post_type=qodana&#038;p=433058"},"modified":"2024-01-25T04:24:34","modified_gmt":"2024-01-25T03:24:34","slug":"top-6-code-quality-metrics-to-empower-your-team","status":"publish","type":"qodana","link":"https:\/\/blog.jetbrains.com\/zh-hans\/qodana\/2024\/01\/top-6-code-quality-metrics-to-empower-your-team\/","title":{"rendered":"\u4e3a\u56e2\u961f\u8d4b\u80fd\u7684 6 \u5927\u4ee3\u7801\u8d28\u91cf\u6307\u6807"},"content":{"rendered":"<p>\u5b8c\u5584\u4ee3\u7801\u8d28\u91cf\u662f\u5927\u591a\u6570\u8f6f\u4ef6\u5f00\u53d1\u8005\u7684\u5171\u540c\u76ee\u6807\uff0c\u4f46\u662f\u867d\u7136\u610f\u56fe\u975e\u5e38\u660e\u786e\uff0c\u5b9e\u73b0\u5b83\u7684\u7b56\u7565\u5374\u53ef\u80fd\u975e\u5e38\u590d\u6742\u3002 \u8861\u91cf\u65b9\u5f0f\u548c\u8861\u91cf\u5bf9\u8c61\u662f\u6539\u5584\u5ba1\u67e5\u8fc7\u7a0b\u6548\u679c\u7684\u5173\u952e\u56e0\u7d20\u3002<\/p>\n<p>\u5bf9\u4e8e\u5c0a\u5d07\u6301\u7eed\u6539\u8fdb\u3001\u6301\u7eed\u5173\u6ce8\u6280\u672f\u5353\u8d8a\u548c\u5b9a\u671f\u53cd\u601d\u539f\u5219\u7684\u56e2\u961f\u6765\u8bf4\uff0c\u5c24\u5176\u5982\u6b64\u3002 \u51ed\u501f 20 \u591a\u5e74\u7684\u8f6f\u4ef6\u5f00\u53d1\u7ecf\u9a8c\uff0cJetBrains \u6536\u96c6\u4e86\u4e00\u4e9b\u89c1\u89e3\uff0c\u53ef\u4ee5\u5206\u4eab\u54ea\u4e9b\u6307\u6807\u5bf9\u4e8e\u56e2\u961f\u800c\u8a00\u6700\u6709\u6548\u3002<\/p>\n<p><!--more--><\/p>\n<h2 id=\"practical-code-quality-metrics-and-how-to-measure-them\" class=\"wp-block-heading\">\u5b9e\u7528\u4ee3\u7801\u8d28\u91cf\u6307\u6807\u53ca\u5176\u8861\u91cf\u65b9\u5f0f<\/h2>\n<h3 id=\"cyclomatic-complexity-cyc\" class=\"wp-block-heading\">1. \u5faa\u73af\u590d\u6742\u5ea6 (CYC)<\/h3>\n<p>CYC \u662f\u57fa\u4e8e\u6e90\u4ee3\u7801\u4e2d\u72ec\u7acb\u8def\u5f84\u6570\u91cf\u6765\u8861\u91cf\u7a0b\u5e8f\u4ee3\u7801\u6d41\u590d\u6742\u5ea6\u7684\u6307\u6807\u3002 \u8fd9\u662f\u4e00\u9879\u91cd\u8981\u6307\u6807\uff0c\u56e0\u4e3a\u968f\u7740\u590d\u6742\u5ea6\u7684\u63d0\u9ad8\uff0c\u4ee3\u7801\u4f1a\u53d8\u5f97\u66f4\u52a0\u96be\u4ee5\u7406\u89e3\u3001\u6d4b\u8bd5\u548c\u7ef4\u62a4\u3002\u00a0 \u5982\u679c\u60a8\u9075\u5faa\u654f\u6377\u65b9\u5f0f\uff0c\u53ef\u6301\u7eed\u6027\u548c\u53ef\u7ef4\u62a4\u6027\u5c31\u81f3\u5173\u91cd\u8981\u3002 \u8fd9\u6b63\u662f CYC \u7684\u7528\u6b66\u4e4b\u5730\uff0c\u53ef\u4f9b\u60a8\u6d1e\u5bdf\u54ea\u91cc\u53ef\u80fd\u9700\u8981\u7b80\u5316\u3002<\/p>\n<p>\u8ba9\u6211\u4eec\u7528\u4e00\u4e2a\u7b80\u5355\u793a\u4f8b\u6765\u6f14\u793a\u8fd9\u9879\u6307\u6807\u5982\u4f55\u8fd0\u4f5c\u3002 \u8003\u8651\u4e00\u6bb5\u4ec5\u987a\u5e8f\u6267\u884c\u8bed\u53e5\u7684\u4ee3\u7801\u6bb5\uff0c\u65e0\u4efb\u4f55\u6761\u4ef6\u6216\u5206\u652f\uff1a<\/p>\n<pre class=\"EnlighterJSRAW\">public int sum(int a, int b) {\n   System.out.println(\"Adding two numbers: \" + a + \" + \" + b);\n   return a + b;\n}<\/pre>\n<p>\u7531\u4e8e\u4ee3\u7801\u6ca1\u6709\u5206\u652f\uff0c\u65e0\u8bba\u5f62\u53c2\u503c\u5982\u4f55\u7ec4\u5408\uff0c\u51fd\u6570\u4e2d\u7684\u6240\u6709\u8bed\u53e5\u90fd\u4f1a\u6267\u884c\u3002 \u56e0\u6b64\uff0c\u6b64\u4ee3\u7801\u7684 CYC \u7ed3\u679c\u4e3a 1\u3002\u00a0<\/p>\n<p>\u5982\u679c\u6211\u4eec\u5f15\u5165\u4e00\u4e2a\u6761\u4ef6\u8bed\u53e5\u6765\u68c0\u67e5\u8f93\u5165\uff0cCYC \u5c06\u7ffb\u500d\uff0c\u56e0\u4e3a\u6211\u4eec\u7684\u4ee3\u7801\u5c06\u5305\u542b\u4e24\u4e2a\u53ef\u80fd\u7684\u6267\u884c\u8def\u5f84\uff0c\u800c\u975e\u5355\u4e2a\u5206\u652f\uff1a<\/p>\n<pre class=\"EnlighterJSRAW\">public int sum(int a, int b) {\n   if(a &lt; 0) throw new IllegalArgumentException(\"Parameter a should be positive\");\n   System.out.println(\"Adding two numbers: \" + a + \" + \" + b);\n   return a + b;\n}<\/pre>\n<p>\u6dfb\u52a0\u53e6\u4e00\u9879\u6761\u4ef6\u6765\u6d4b\u8bd5\u7b2c\u4e8c\u4e2a\u5f62\u53c2\u4f1a\u5c06 CYC \u7ed3\u679c\u63d0\u9ad8\u5230 3\uff1a<\/p>\n<pre class=\"EnlighterJSRAW\">public int sum(int a, int b) {\n   if (a &lt; 0) throw new IllegalArgumentException(\"Parameter a should be positive\");\n   if (b &lt; 0) throw new IllegalArgumentException(\"Parameter b should be positive\");\n   System.out.println(\"Adding two numbers: \" + a + \" + \" + b);\n   return a + b;\n}<\/pre>\n<p>\u4efb\u4f55\u6761\u4ef6\u8bed\u53e5\u6216\u5faa\u73af\u5757\u90fd\u4f1a\u4f53\u73b0\u5728\u65b9\u6cd5\u7684 CYC \u6307\u6807\u4e2d\uff0c\u4ece\u800c\u589e\u52a0\u6267\u884c\u6240\u6709\u4ee3\u7801\u5206\u652f\u6240\u9700\u7684\u6d4b\u8bd5\u6b21\u6570\u3002<\/p>\n<p>\u867d\u7136\u9ad8 CYC \u503c\u5e76\u4e0d\u80fd\u76f4\u63a5\u8868\u660e\u4ee3\u7801\u5b58\u5728 bug \u6216\u53d7\u635f\uff0c\u4f46\u786e\u5b9e\u53ef\u4ee5\u8868\u660e\u4ee3\u7801\u53ef\u80fd\u96be\u4ee5\u7ef4\u62a4\uff0c\u56e0\u6b64\u65b0\u589e\u66f4\u6539\u65f6\u4f1a\u66f4\u5bb9\u6613\u53d7\u635f\u3002 IntelliJ IDEA \u53ef\u4ee5\u76f4\u63a5\u5728\u7f16\u8f91\u5668\u4e2d\u5411\u60a8\u544a\u77e5\u8fc7\u4e8e\u590d\u6742\u7684\u65b9\u6cd5\u3002 <em>Overly complex method<\/em>\uff08\u8fc7\u4e8e\u590d\u6742\u7684\u65b9\u6cd5\uff09\u68c0\u67e5\u7684\u9608\u503c\u53ef\u4ee5\u5728 <em>Settings<\/em> | <em>Editor<\/em><strong> | <\/strong><em>Inspections<\/em>\uff08\u8bbe\u7f6e | \u7f16\u8f91\u5668 | \u68c0\u67e5\uff09\u4e2d\u8fdb\u884c\u914d\u7f6e\uff1a<\/p>\n<figure class=\"wp-block-image size-full\"><img decoding=\"async\" loading=\"lazy\" class=\"wp-image-398636\" src=\"https:\/\/blog.jetbrains.com\/wp-content\/uploads\/2023\/10\/inspections.png\" alt=\"\u4f7f\u7528 JetBrains Qodana \u8fdb\u884c\u91cd\u590d\u5206\u6790\uff0c\u4ee5\u67e5\u627e\u91cd\u590d\u4ee3\u7801\u3002\" width=\"2212\" height=\"1428\" \/><\/figure>\n<p>\u9ed8\u8ba4\u60c5\u51b5\u4e0b\uff0c\u9608\u503c\u8bbe\u7f6e\u4e3a 10\u3002 \u4e0d\u8fc7\uff0c\u5982\u679c\u6211\u4eec\u5c06\u6b64\u6307\u6807\u66f4\u6539\u4e3a 2\uff0c\u7f16\u8f91\u5668\u5c06\u9ad8\u4eae\u663e\u793a\u4e0b\u4f8b\u4e2d\u7684\u4ee3\u7801\uff1a<\/p>\n<figure class=\"wp-block-image size-full\"><img decoding=\"async\" loading=\"lazy\" class=\"wp-image-398648\" src=\"https:\/\/blog.jetbrains.com\/wp-content\/uploads\/2023\/10\/image-1-1.png\" alt=\"\u9759\u6001\u4ee3\u7801\u5206\u6790\u793a\u4f8b\u3002\" width=\"1872\" height=\"636\" \/><\/figure>\n<h4 id=\"how-to-enable-this-inspection-for-your-entire-project\" class=\"wp-block-heading\">\u5982\u4f55\u5bf9\u6574\u4e2a\u9879\u76ee\u542f\u7528\u6b64\u68c0\u67e5<\/h4>\n<p>\u5982\u679c\u60a8\u4f7f\u7528 Qodana \u8fdb\u884c\u670d\u52a1\u5668\u7aef\u4ee3\u7801\u5206\u6790\uff08\u8ddf\u8e2a\u6574\u4e2a\u56e2\u961f\u7684\u4ee3\u7801\u8d28\u91cf\uff0c\u800c\u4e0d\u4ec5\u4ec5\u662f\u672c\u5730\uff09\uff0c\u53ef\u4ee5\u81ea\u52a8\u68c0\u67e5 CYC\u3002 \u9009\u62e9<em>\u63a8\u8350\u7684<\/em>\u914d\u7f6e\u6587\u4ef6\uff0c\u5e76\u68c0\u67e5\u5b83\u662f\u5426\u5df2\u9488\u5bf9\u60a8\u7684\u7f16\u7801\u8bed\u8a00\u542f\u7528\u3002<\/p>\n<figure class=\"wp-block-image size-full is-resized\"><img decoding=\"async\" loading=\"lazy\" class=\"wp-image-398659\" style=\"width: 839px; height: 542px;\" src=\"https:\/\/blog.jetbrains.com\/wp-content\/uploads\/2023\/10\/image-2-1.png\" alt=\"\u4f7f\u7528 JetBrains Qodana \u5b9e\u73b0\u4ee3\u7801\u590d\u6742\u5ea6\u68c0\u67e5\u3002\" width=\"2334\" height=\"1506\" \/><\/figure>\n<h4 id=\"interpreting-the-results\" class=\"wp-block-heading\">\u89e3\u91ca\u7ed3\u679c<\/h4>\n<p>Tom McCabe Jr. \u5728\u9762\u5411\u56fd\u571f\u5b89\u5168\u90e8\u7684\u6f14\u8bb2\u300a\u7528\u4e8e\u8bc6\u522b\u98ce\u9669\u7684\u8f6f\u4ef6\u8d28\u91cf\u6307\u6807\u300b[<a href=\"https:\/\/web.archive.org\/web\/20220329072759\/http:\/\/www.mccabe.com\/ppt\/SoftwareQualityMetricsToIdentifyRisk.ppt\" target=\"_blank\" rel=\"noopener\">\u4e0b\u8f7d<\/a>] \u4e2d\u8868\u793a\uff0c\u5982\u679c\u65b9\u6cd5\u7684 CYC \u6307\u6807\u503c\u5c0f\u4e8e 10\uff0c\u5219\u4ee3\u7801\u4f1a\u88ab\u8ba4\u4e3a\u8db3\u591f\u7b80\u5355\u3002<\/p>\n<p>\u5982\u679c\u6307\u6807\u8d85\u8fc7 50\uff0c\u5219\u4ee3\u7801\u4f1a\u88ab\u8ba4\u4e3a\u8fc7\u4e8e\u590d\u6742\u4e14\u65e0\u6cd5\u6d4b\u8bd5\u3002 \u4f46\u5728\u5b9e\u9645\u60c5\u51b5\u4e2d\uff0c\u60a8\u5e94\u4ee5\u4f4e\u4e8e 6 \u7684\u503c\u4e3a\u76ee\u6807\uff0c\u5e76\u8bbe\u7f6e\u5728\u7ed3\u679c\u8d85\u8fc7 10 \u65f6\u53d1\u51fa\u8b66\u544a\u3002 \u8fd9\u8868\u660e\u662f\u65f6\u5019\u7b80\u5316\u51fd\u6570\u4ee5\u9632\u6b62\u590d\u6742\u5ea6\u8fdb\u4e00\u6b65\u63d0\u9ad8\u4e86\u3002<\/p>\n<p>\u6211\u4eec\u5efa\u8bae\u7684 CYC \u5206\u6570\u8303\u56f4\u5982\u4e0b\uff1a<\/p>\n<ul>\n<li>1\u20135\uff1a\u4ee3\u7801\u7b80\u5355\uff0c\u6613\u4e8e\u6d4b\u8bd5\u548c\u8c03\u8bd5<\/li>\n<li>6\u201310\uff1a\u66f4\u590d\u6742\uff0c\u98ce\u9669\u9002\u4e2d<\/li>\n<li>10-20\uff1a\u9ad8\u98ce\u9669\uff0c\u987b\u8c28\u614e<\/li>\n<li>20+\uff1a\u4ee3\u7801\u975e\u5e38\u590d\u6742\uff0c\u96be\u4ee5\u7406\u89e3\u548c\u7ef4\u62a4<\/li>\n<\/ul>\n<h3 id=\"code-duplication-percentage\" class=\"wp-block-heading\">2. \u4ee3\u7801\u91cd\u590d\u767e\u5206\u6bd4<\/h3>\n<p>\u4ee3\u7801\u91cd\u590d\u767e\u5206\u6bd4\u53ef\u4ee5\u5e2e\u52a9\u60a8\u786e\u5b9a\u4ee3\u7801\u5e93\u4e2d\u7684\u591a\u4e2a\u4f4d\u7f6e\u51fa\u73b0\u4e86\u591a\u5c11\u76f8\u540c\u6216\u76f8\u4f3c\u7684\u4ee3\u7801\u3002 \u8fd9\u662f\u4e00\u9879\u91cd\u8981\u7684\u6307\u6807\uff0c\u56e0\u4e3a\u5927\u91cf\u7684\u91cd\u590d\u4ee3\u7801\u4f1a\u5bfc\u81f4\u7ef4\u62a4\u91cf\u589e\u52a0\u3001\u5f15\u5165\u9519\u8bef\u7684\u51e0\u7387\u66f4\u5927\uff0c\u4ee5\u53ca\u4ee3\u7801\u53ef\u8bfb\u6027\u4e0b\u964d\u3002\u00a0<\/p>\n<p>\u4f7f\u7528 Qodana\uff0c\u91cd\u590d\u68c0\u67e5\u4f1a\u9ed8\u8ba4\u542f\u7528\uff0c\u4f46\u60a8\u4e5f\u53ef\u4ee5\u5728 IntelliJ IDEA \u548c\u5176\u4ed6 IDE\uff08\u4f8b\u5982 WebStorm \u548c Rider\uff09\u4e2d<a href=\"https:\/\/www.jetbrains.com.cn\/help\/idea\/analyzing-duplicates.html\" target=\"_blank\" rel=\"noopener\">\u914d\u7f6e\u91cd\u590d\u68c0\u6d4b<\/a>\u3002<\/p>\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-large is-resized\"><img decoding=\"async\" loading=\"lazy\" class=\"wp-image-399471\" style=\"width: 832px; height: 474px;\" src=\"https:\/\/blog.jetbrains.com\/wp-content\/uploads\/2023\/10\/Screenshot-2023-10-23-at-18.52.39-2800x1629.png\" alt=\"Qodana \u91cd\u590d\u767e\u5206\u6bd4\u68c0\u67e5\u3002 \" width=\"2800\" height=\"1629\" \/><\/figure>\n<\/div>\n<figure class=\"wp-block-image size-full\"><img decoding=\"async\" loading=\"lazy\" class=\"wp-image-398681\" src=\"https:\/\/blog.jetbrains.com\/wp-content\/uploads\/2023\/10\/image-4-1.png\" alt=\"\u4f7f\u7528 Qodana \u68c0\u67e5\u91cd\u590d\u3002 \" width=\"2060\" height=\"1400\" \/><\/figure>\n<h4 id=\"interpreting-the-results-1\" class=\"wp-block-heading\">\u89e3\u91ca\u7ed3\u679c<\/h4>\n<p>\u7406\u60f3\u60c5\u51b5\u4e0b\uff0c\u60a8\u5e94\u5c06\u4ee3\u7801\u91cd\u590d\u767e\u5206\u6bd4\u63a7\u5236\u5728 5% \u4ee5\u4e0b\u3002 \u8fd9\u6709\u52a9\u4e8e\u907f\u514d\u4e0d\u5fc5\u8981\u7684\u91cd\u6784 \u2013 \u4e3a\u4e86\u4e00\u5904\u6539\u8fdb\u6216\u95ee\u9898\u800c\u66f4\u6539\u591a\u5904\u4ee3\u7801\u3002 \u8bf7\u786e\u4fdd\u4f7f\u7528\u8bf8\u5982 Qodana \u7b49\u5de5\u5177\u5728\u672c\u5730\u6216\u670d\u52a1\u5668\u7aef\u6301\u7eed\u76d1\u63a7\u4ee3\u7801\u91cd\u590d\u60c5\u51b5\u3002<\/p>\n<h3 class=\"wp-block-heading\">3. \u4ee3\u7801\uff08\u6d4b\u8bd5\uff09\u8986\u76d6\u7387<\/h3>\n<p>\u7f16\u5199\u5177\u6709\u6700\u5927\u8986\u76d6\u7387\u7684\u6d4b\u8bd5\u7528\u4f8b\u53ef\u4ee5\u5e2e\u52a9\u60a8\u5728\u624b\u52a8\u6d4b\u8bd5\u4e4b\u524d\u9a8c\u8bc1\u8f6f\u4ef6\u662f\u5426\u6309\u9884\u671f\u6267\u884c\u3002 \u901a\u8fc7\u66f4\u6709\u6548\u7684\u6d4b\u8bd5\uff0c\u60a8\u6709\u673a\u4f1a\u66f4\u5feb\u5730\u5c06\u9ad8\u8d28\u91cf\u4ea7\u54c1\u63a8\u5411\u5e02\u573a\u3002<\/p>\n<p>\u53e6\u5916\uff0c\u9ad8\u6d4b\u8bd5\u8986\u76d6\u7387\u53ef\u4ee5\u589e\u5f3a\u53ef\u7ef4\u62a4\u6027\uff0c\u5e76\u4e14\u53ef\u4ee5\u63d0\u9192\u60a8\u6ce8\u610f\u5197\u4f59\u4ee3\u7801\uff0c\u56e0\u4e3a\u5b83\u5728\u8861\u91cf\u65f6\u5047\u5b9a\u8f83\u9ad8\u7684\u8986\u76d6\u7387\u4f1a\u51cf\u5c11\u4ee3\u7801\u7f3a\u9677\u3002<\/p>\n<p><strong>\u8861\u91cf\u4ee3\u7801\u6d4b\u8bd5\u8986\u76d6\u7387\u7684\u6700\u5e38\u7528\u65b9\u6cd5\u662f\u901a\u8fc7\u4ee3\u7801\u884c\u6570\u8fdb\u884c\u8ba1\u7b97\uff1a<\/strong><\/p>\n<p>\u4ee3\u7801\u8986\u76d6\u7387 =\uff08\u7b97\u6cd5\u6d4b\u8bd5\u7684\u4ee3\u7801\u884c\u6570\/\u7cfb\u7edf\u7ec4\u4ef6\u7684\u4ee3\u7801\u603b\u884c\u6570\uff09* 100<\/p>\n<p>\u4e0d\u8fc7\uff0c\u8fd8\u6709\u53e6\u5916\u4e24\u79cd\u7b56\u7565\uff1a<br \/>1) \u6309\u8bed\u53e5\u8861\u91cf<br \/>2) \u6309\u5206\u652f\u8861\u91cf\uff0c\u8fd9\u4e0e\u5faa\u73af\u590d\u6742\u5ea6\u6307\u6807\u66f4\u76f8\u5173\uff0c\u56e0\u4e3a\u590d\u6742\u5ea6\u53ef\u4ee5\u8868\u660e\u8986\u76d6\u4ee3\u7801\u9700\u8981\u5b9e\u73b0\u591a\u5c11\u6b21\u6d4b\u8bd5\u3002<\/p>\n<h4 id=\"assessing-code-coverage\" class=\"wp-block-heading\">\u8bc4\u4f30\u4ee3\u7801\u8986\u76d6\u7387<\/h4>\n<p>\u5982\u679c\u60a8\u62e5\u6709 Qdana Ultimate \u6216 Ultimate Plus \u8bb8\u53ef\u8bc1\uff0c\u5e76\u4f7f\u7528\u9002\u7528\u4e8e JVM\u3001JS \u6216 PHP \u7684 Qodana\uff0c\u5219\u53ef\u4ee5\u5728 <strong>qodana.recommished<\/strong> \u6216 <strong>qodana.starter<\/strong> \u914d\u7f6e\u6587\u4ef6\u4e2d\u8fd0\u884c\u4ee3\u7801\u8986\u76d6\u7387\u6d4b\u8bd5\u3002 \u5728<a href=\"https:\/\/www.jetbrains.com.cn\/help\/qodana\/code-coverage.html\" target=\"_blank\" rel=\"noopener\">\u6b64\u5904<\/a>\u4e86\u89e3\u5982\u4f55\u8bbe\u7f6e\u4ee3\u7801\u8986\u76d6\u7387\u8861\u91cf\u3002<\/p>\n<figure class=\"wp-block-image size-full\"><img decoding=\"async\" loading=\"lazy\" class=\"wp-image-398692\" src=\"https:\/\/blog.jetbrains.com\/wp-content\/uploads\/2023\/10\/code-coverage-report.gif\" alt=\"\u4f7f\u7528 JetBrains Qodana \u8fdb\u884c\u4ee3\u7801\u8986\u76d6\u7387\u6d4b\u8bd5\u3002 \" width=\"1412\" height=\"1412\" \/><\/figure>\n<h3 id=\"number-of-possible-bugs\" class=\"wp-block-heading\">4. \u53ef\u80fd\u7684 bug \u6570\u91cf<\/h3>\n<p>\u663e\u7136\uff0c\u6211\u4eec\u5e0c\u671b\u4ee3\u7801\u4e2d\u7684 bug \u6570\u91cf\u5c3d\u53ef\u80fd\u63a5\u8fd1\u4e8e\u96f6\uff0c\u5e76\u4e14\u4ee3\u7801\u5206\u6790\u80fd\u591f\u6807\u8bb0\u6240\u6709\u7c7b\u578b\u7684\u9519\u8bef\u3002 \u4e00\u4e2a\u793a\u4f8b\u662f <a href=\"https:\/\/docs.oracle.com\/en\/java\/javase\/19\/docs\/api\/java.base\/java\/lang\/NullPointerException.html\" target=\"_blank\" rel=\"noopener\">NullPointerExceptions<\/a>\uff0c\u5f53\u6211\u4eec\u5c1d\u8bd5\u6267\u884c\u9700\u8981\u5bf9\u8c61\u7684\u8fd0\u7b97\u65f6\u4f1a\u5f15\u53d1\u8be5\u5f02\u5e38\u3002 \u5bfc\u81f4\u6b64\u5f02\u5e38\u7684\u539f\u56e0\u901a\u5e38\u662f\u5728\u8fd0\u884c\u65f6\u4e3a null \u7684\u5bf9\u8c61\u5b9e\u4f8b\u4e0a\u4f7f\u7528\u65b9\u6cd5\u6216\u5c1d\u8bd5\u8bbf\u95ee\u8be5\u5b9e\u4f8b\u7684\u53d8\u91cf\u3002<\/p>\n<p>\u8fd9\u4e9b\u95ee\u9898\u5fc5\u987b\u5c3d\u65e9\u53d1\u73b0\u4ee5\u907f\u514d\u53d1\u5e03\u5b58\u5728 bug \u7684\u4ea7\u54c1\u7248\u672c\uff0c\u7279\u522b\u662f\u60a8\u53ef\u80fd\u4e0d\u4f1a\u7acb\u5373\u6ce8\u610f\u5230\u4ee3\u7801\u4e2d\u5b58\u5728\u8fd9\u4e9b\u95ee\u9898\uff0c\u751a\u81f3\u5728\u540c\u884c\u8bc4\u5ba1\u6d41\u7a0b\u4e2d\u4e5f\u4f1a\u5c06\u5176\u9057\u6f0f\u3002 Qodana \u53ef\u4ee5\u8f7b\u677e\u63a7\u5236\u4e0e\u4e0d\u6b63\u786e\u7684\u8d44\u6e90\u5904\u7406\u76f8\u5173\u7684\u95ee\u9898\uff0c\u4f8b\u5982\u6570\u636e\u5e93\u8fde\u63a5\u5728\u4f7f\u7528\u540e\u672a\u5b89\u5168\u5173\u95ed\u3002<\/p>\n<h3 id=\"code-smells\" class=\"wp-block-heading\">5. \u4ee3\u7801\u5f02\u5473<\/h3>\n<p>\u8861\u91cf\u4ee3\u7801\u5f02\u5473\uff08\u4f8b\u5982\u5df2\u5f03\u7528\u7684 API \u7528\u6cd5\uff09\u5bf9\u4e8e\u7ef4\u62a4\u8f6f\u4ef6\u4ee3\u7801\u5e93\u7684\u5065\u5eb7\u975e\u5e38\u91cd\u8981\u3002 \u5c3d\u7ba1\u53ef\u4ee5\u624b\u52a8\u8bc4\u4f30\u5df2\u5f03\u7528\u7684 API \u7528\u6cd5\uff0c\u5373\u8ba9\u5ba1\u67e5\u8005\u8bc6\u522b\u5df2\u5f03\u7528\u7684 API \u5e76\u63d0\u4f9b\u66ff\u4ee3\u5efa\u8bae\uff0c\u4f46\u6700\u5e38\u89c1\u7684\u65b9\u5f0f\u662f\u4f7f\u7528 Qodana \u7b49\u9759\u6001\u4ee3\u7801\u5206\u6790\u5de5\u5177\u3002<\/p>\n<h3 id=\"number-of-vulnerabilities\" class=\"wp-block-heading\">6. \u6f0f\u6d1e\u6570\u91cf<\/h3>\n<p>\u4ee3\u7801\u4e2d\u7684\u6f0f\u6d1e\u662f\u6307\u53ef\u80fd\u5bfc\u81f4\u5b89\u5168\u6f0f\u6d1e\u3001\u6570\u636e\u6cc4\u9732\u6216\u5176\u4ed6\u5b89\u5168\u76f8\u5173\u95ee\u9898\u7684\u5b89\u5168\u5f31\u70b9\u6216\u95ee\u9898\u3002\u00a0<\/p>\n<p>\u5373\u4f7f\u53ea\u662f\u4e00\u4e2a\u6f0f\u6d1e\u4e5f\u53ef\u80fd\u4f1a\u5bfc\u81f4\u91cd\u5927\u7684\u5b89\u5168\u6f0f\u6d1e\u3002 \u6211\u4eec\u53ea\u9700\u8981\u4ee5 X\uff08\u524d Twitter\uff09\u3001CloudFlare \u548c AWS \u4e3a\u4f8b\uff0c\u4ed6\u4eec\u90fd\u66fe<a href=\"https:\/\/www.secureworld.io\/industry-news\/funny-log4j-tweets-memes#:~:text=Twitter%20reacts%20to%20log4j%20vulnerability%3A%20first%2C%20with%20agony&amp;text=%22This%20vulnerability%2C%20which%20is%20being,vulnerability%20poses%20a%20severe%20risk.%22\" target=\"_blank\" rel=\"noopener\">\u906d\u53d7\u8fc7 Log4J \u6f0f\u6d1e\u7684\u4e25\u91cd\u5f71\u54cd<\/a>\u3002 \u8fd9\u4e9b\u6f0f\u6d1e\u4f1a\u4ee5\u591a\u79cd\u5f62\u5f0f\u8868\u73b0\u51fa\u6765\uff0c\u4f8b\u5982\u5b89\u5168\u6f0f\u6d1e\u3001\u914d\u7f6e\u9519\u8bef\u3001\u8bbf\u95ee\u63a7\u5236\u95ee\u9898\u3001\u4f9d\u8d56\u9879\u6f0f\u6d1e\u7b49\u3002<\/p>\n<figure class=\"wp-block-image size-large\"><img decoding=\"async\" loading=\"lazy\" class=\"wp-image-399596\" src=\"https:\/\/blog.jetbrains.com\/wp-content\/uploads\/2023\/10\/Screenshot-2023-10-24-at-01.13.16-2800x1750.png\" alt=\"\u4f7f\u7528 JetBrains Qodana Cloud \u4eea\u8868\u677f\u68c0\u67e5\u5b89\u5168\u6f0f\u6d1e\u3002\" width=\"2800\" height=\"1750\" \/><\/figure>\n<figure class=\"wp-block-image size-large is-resized\"><img decoding=\"async\" loading=\"lazy\" class=\"wp-image-399584\" style=\"width: 840px; height: 456px;\" src=\"https:\/\/blog.jetbrains.com\/wp-content\/uploads\/2023\/10\/Screenshot-2023-10-24-at-01.12.45-2800x1750.png\" alt=\"\" width=\"2800\" height=\"1750\" \/><\/figure>\n<p>\u5728\u4e0a\u65b9\u60a8\u53ef\u4ee5\u770b\u5230\uff0cQodana Cloud \u7684\u4e00\u9879\u68c0\u67e5\u5c06\u6807\u8bb0\u5b58\u5728\u6f0f\u6d1e\u7684\u4f9d\u8d56\u9879\u3002 \u60a8\u8fd8\u53ef\u4ee5\u4f7f\u7528 Qodana \u6570\u636e\u68c0\u67e5\u4f9d\u8d56\u9879\u8bb8\u53ef\u8bc1\u3002<\/p>\n<p>\u4e00\u65e6\u786e\u5b9a\u4e86\u4ee3\u7801\u4e2d\u7684\u6f0f\u6d1e\u6570\u91cf\uff0c\u60a8\u5c31\u53ef\u4ee5\u8bc4\u4f30\u54ea\u4e9b\u6f0f\u6d1e\u6700\u4e3a\u4e25\u91cd\u4e14\u6700\u5177\u98ce\u9669\u3002 \u968f\u540e\uff0c\u60a8\u5373\u53ef\u7acb\u5373\u7740\u624b\u5904\u7406\u4f18\u5148\u7ea7\u6700\u9ad8\u7684\u95ee\u9898\uff0c\u5e76\u5c06\u4e0d\u592a\u4e25\u91cd\u7684\u95ee\u9898\u4fdd\u5b58\u5230\u57fa\u7ebf\u4ee5\u4fbf\u7a0d\u540e\u89e3\u51b3\u3002<\/p>\n<h2 id=\"simplify-code-quality-measurement-with-static-code-analysis\" class=\"wp-block-heading\">\u901a\u8fc7\u9759\u6001\u4ee3\u7801\u5206\u6790\u7b80\u5316\u4ee3\u7801\u8d28\u91cf\u8861\u91cf<\/h2>\n<p>\u4ee3\u7801\u8d28\u91cf\u6307\u6807\u6709\u52a9\u4e8e\u6307\u5bfc\u60a8\u83b7\u5f97\u66f4\u52a0\u7b80\u6d01\u3001\u9ad8\u6548\u3001\u6613\u7ef4\u62a4\u7684\u4ee3\u7801\u3002 \u8fd9\u4e9b\u6307\u6807\u53ef\u4ee5\u5e2e\u52a9\u60a8\u5168\u7a0b\u5168\u9762\u4e86\u89e3\u9879\u76ee\u5065\u5eb7\u72b6\u51b5\uff0c\u8d4b\u4e88\u60a8\u6539\u8fdb\u4ea7\u54c1\u548c\u5f00\u5c55\u56e2\u961f\u534f\u4f5c\u7684\u6218\u7565\u4f18\u52bf\u3002<\/p>\n<p>\u5982\u679c\u60a8\u5e0c\u671b\u5c06\u8fd9\u4e9b\u6307\u6807\u5b9e\u73b0\u5230\u4ea4\u4ed8\u6d41\u7a0b\u4e2d\uff0cQodana \u53ef\u4ee5\u63d0\u4f9b\u5e2e\u52a9\u3002 \u5b83\u5b8c\u7f8e\u5951\u5408\u4efb\u4f55 CI\/CD \u5de5\u4f5c\u6d41\uff0c\u53ef\u4e3a\u60a8\u7684\u6574\u4e2a\u56e2\u961f\u63d0\u4f9b\u8861\u91cf\u4ee3\u7801\u8d28\u91cf\u7684\u5355\u4e00\u53ef\u4fe1\u6765\u6e90\u3002 \u6700\u91cd\u8981\u7684\u662f\uff0c\u5b83\u7684\u626b\u63cf\u7ed3\u679c\u5728 JetBrains IDE \u4e2d\u5f00\u7bb1\u5373\u7528\uff0c\u8fd9\u4f7f\u60a8\u80fd\u591f\u5feb\u901f\u4fee\u6b63\u95ee\u9898\u3002<\/p>\n<p>\u7acb\u5373\u8bd5\u7528\uff0c\u5e76\u544a\u8bc9\u6211\u4eec\u60a8\u6700\u4f9d\u8d56\u54ea\u9879\u6307\u6807\u3002 \u8bf7\u70b9\u51fb\u4e0b\u65b9\u6309\u94ae\u4ee5\u5f00\u59cb\u8bd5\u7528\u3002 \u6216\u8005\uff0c\u5982\u679c\u60a8\u60f3\u66f4\u6df1\u5165\u5730\u4e86\u89e3\u5982\u4f55\u8861\u91cf\u4ee3\u7801\u8d28\u91cf\uff0c\u8bf7\u4e0e\u6211\u4eec\u8054\u7cfb\u3002<\/p>\n<p align=\"center\"><a class=\"jb-download-button\" title=\"\u514d\u8d39\u8bd5\u7528 Qodana\" href=\"https:\/\/www.jetbrains.com.cn\/qodana\" target=\"_blank\" rel=\"noopener noreferrer\"><i class=\"download-icon\"><\/i>\u514d\u8d39\u8bd5\u7528 Qodana\uff01<\/a><\/p>\n\n\n<p><\/p>\n\n\n\n<p>\u672c\u535a\u6587\u82f1\u6587\u539f\u4f5c\u8005\uff1a<\/p>\n\n\n    <div class=\"about-author \">\n        <div class=\"about-author__box\">\n            <div class=\"row\">\n                <div class=\"about-author__box-img\">\n                    <img decoding=\"async\" src=\"https:\/\/secure.gravatar.com\/avatar\/?s=200&#038;r=g\" width=\"200\" height=\"200\" alt=\"\" loading=\"lazy\"  class=\"avatar avatar-200 wp-user-avatar wp-user-avatar-200 photo avatar-default\">\n                <\/div>\n                <div class=\"about-author__box-text\">\n                                                        <\/div>\n            <\/div>\n        <\/div>\n    <\/div>\n\n\n    <div class=\"about-author \">\n        <div class=\"about-author__box\">\n            <div class=\"row\">\n                <div class=\"about-author__box-img\">\n                    <img decoding=\"async\" src=\"https:\/\/secure.gravatar.com\/avatar\/?s=200&#038;r=g\" width=\"200\" height=\"200\" alt=\"\" loading=\"lazy\"  class=\"avatar avatar-200 wp-user-avatar wp-user-avatar-200 photo avatar-default\">\n                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<\/div>\n","protected":false},"author":1297,"featured_media":399415,"comment_status":"closed","ping_status":"closed","template":"","categories":[2347],"tags":[8291,441,228,8290,8292,90,8243],"cross-post-tag":[],"acf":[],"_links":{"self":[{"href":"https:\/\/blog.jetbrains.com\/zh-hans\/wp-json\/wp\/v2\/qodana\/433058"}],"collection":[{"href":"https:\/\/blog.jetbrains.com\/zh-hans\/wp-json\/wp\/v2\/qodana"}],"about":[{"href":"https:\/\/blog.jetbrains.com\/zh-hans\/wp-json\/wp\/v2\/types\/qodana"}],"author":[{"embeddable":true,"href":"https:\/\/blog.jetbrains.com\/zh-hans\/wp-json\/wp\/v2\/users\/1297"}],"replies":[{"embeddable":true,"href":"https:\/\/blog.jetbrains.com\/zh-hans\/wp-json\/wp\/v2\/comments?post=433058"}],"version-history":[{"count":10,"href":"https:\/\/blog.jetbrains.com\/zh-hans\/wp-json\/wp\/v2\/qodana\/433058\/revisions"}],"predecessor-version":[{"id":437456,"href":"https:\/\/blog.jetbrains.com\/zh-hans\/wp-json\/wp\/v2\/qodana\/433058\/revisions\/437456"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/blog.jetbrains.com\/zh-hans\/wp-json\/wp\/v2\/media\/399415"}],"wp:attachment":[{"href":"https:\/\/blog.jetbrains.com\/zh-hans\/wp-json\/wp\/v2\/media?parent=433058"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/blog.jetbrains.com\/zh-hans\/wp-json\/wp\/v2\/categories?post=433058"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/blog.jetbrains.com\/zh-hans\/wp-json\/wp\/v2\/tags?post=433058"},{"taxonomy":"cross-post-tag","embeddable":true,"href":"https:\/\/blog.jetbrains.com\/zh-hans\/wp-json\/wp\/v2\/cross-post-tag?post=433058"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}