{"id":529840,"date":"2024-11-25T07:25:24","date_gmt":"2024-11-25T06:25:24","guid":{"rendered":"https:\/\/blog.jetbrains.com\/?post_type=idea&#038;p=529840"},"modified":"2024-11-25T07:25:31","modified_gmt":"2024-11-25T06:25:31","slug":"introduction-to-code-analysis-in-intellij-idea","status":"publish","type":"idea","link":"https:\/\/blog.jetbrains.com\/zh-hans\/idea\/2024\/11\/introduction-to-code-analysis-in-intellij-idea\/","title":{"rendered":"IntelliJ IDEA \u4e2d\u7684\u4ee3\u7801\u5206\u6790\u7b80\u4ecb"},"content":{"rendered":"<p>\u9759\u6001\u4ee3\u7801\u5206\u6790\u662f\u6307\u5728\u4e0d\u5b9e\u9645\u8fd0\u884c\u4ee3\u7801\u7684\u60c5\u51b5\u4e0b\u626b\u63cf\u4ee3\u7801\u4ee5\u53d1\u73b0\u6f5c\u5728\u95ee\u9898\u3002 IntelliJ IDEA \u4e2d\u7684\u68c0\u67e5\u53ef\u4ee5\u5728\u60a8\u7f16\u8bd1\u9879\u76ee\u4e4b\u524d\u68c0\u6d4b\u5230\u5176\u4e2d\u7684\u6f5c\u5728\u95ee\u9898\u3002 IDE \u53ef\u4ee5\u9ad8\u4eae\u663e\u793a\u5404\u79cd\u95ee\u9898\u3001\u5b9a\u4f4d\u6b7b\u4ee3\u7801\u3001\u53d1\u73b0\u53ef\u80fd\u7684 Bug \u548c\u62fc\u5199\u95ee\u9898\uff0c\u5e76\u6539\u5584\u6574\u4f53\u4ee3\u7801\u7ed3\u6784\u3002<\/p>\n<p>\u672c\u7cfb\u5217\u535a\u6587\u5c06\u4ecb\u7ecd IntelliJ IDEA \u4e2d\u7684\u4ee3\u7801\u5206\u6790\u53ef\u4ee5\u5e2e\u52a9\u60a8\u67e5\u627e\u5e76\u4fee\u6b63\u4ee3\u7801\u4e2d\u7684\u95ee\u9898\u7684\u51e0\u79cd\u65b9\u5f0f\u3002 \u5728\u7b2c\u4e00\u90e8\u5206\u4e2d\uff0c\u6211\u4eec\u9996\u5148\u67e5\u770b IDE \u5982\u4f55\u5e2e\u52a9\u60a8\u5728\u5904\u7406\u4ee3\u7801\u65f6\u9884\u9632\u95ee\u9898\u3002<\/p>\n<h2 class=\"wp-block-heading\">\u67e5\u627e\u5e76\u4fee\u6b63\u4ee3\u7801\u4e2d\u7684\u95ee\u9898<\/h2>\n<p>\u5f53\u60a8\u5728 IntelliJ IDEA \u4e2d\u7f16\u5199\u4ee3\u7801\u65f6\uff0cIDE \u4f1a\u63d0\u9192\u60a8\u4ee3\u7801\u4e2d\u9700\u8981\u6ce8\u610f\u7684\u533a\u57df\u5e76\u4e3a\u60a8\u9ad8\u4eae\u663e\u793a\u3002 \u6211\u4eec\u6765\u770b\u4e00\u4e9b\u793a\u4f8b\u3002<\/p>\n<p>\u5982\u679c\u60a8\u7684\u4ee3\u7801\u65e0\u6cd5\u7f16\u8bd1\uff0cIntelliJ IDEA \u4f1a\u5728\u4e0d\u9700\u8981\u60a8\u5148\u7f16\u8bd1\u7684\u60c5\u51b5\u4e0b\u901a\u77e5\u60a8\u3002 \u4f8b\u5982\uff0c\u4e0b\u9762\u7684\u4ee3\u7801\u5c06\u65e0\u6cd5\u7f16\u8bd1\uff0c\u56e0\u4e3a <code>FileReader<\/code> \u53ef\u80fd\u4f1a\u629b\u51fa <code>FileNotFoundException<\/code>\uff0c\u5b83\u662f\u4e00\u4e2a\u9700\u8981\u5728\u65b9\u6cd5\u4e2d\u58f0\u660e\u7684\u53d7\u68c0\u5f02\u5e38\u3002 \u60a8\u4f1a\u770b\u5230\u8fd9\u6bb5\u4ee3\u7801\u88ab\u9ad8\u4eae\u663e\u793a\uff0c\u5f53\u60a8\u60ac\u505c\u5728\u4e0a\u65b9\u65f6\uff0cIntelliJ IDEA \u4f1a\u544a\u8bc9\u60a8\u95ee\u9898\u51fa\u5728\u54ea\u91cc\u3002 \u6b64\u5916\uff0c\u5b83\u8fd8\u4f1a\u901a\u8fc7\u5728\u65b9\u6cd5\u7b7e\u540d\u4e2d\u6dfb\u52a0\u5f02\u5e38\u4e3a\u60a8\u63d0\u4f9b\u5982\u4f55\u4fee\u6b63\u7684\u5efa\u8bae\u3002\u00a0<\/p>\n<figure class=\"wp-block-image size-full\"><img decoding=\"async\" loading=\"lazy\" class=\"wp-image-510271\" src=\"https:\/\/blog.jetbrains.com\/wp-content\/uploads\/2024\/09\/UnhandledException.png\" alt=\"\" width=\"3840\" height=\"2160\" \/>\n<figcaption class=\"wp-element-caption\">\u672a\u5904\u7406\u7684\u5f02\u5e38<\/figcaption>\n<\/figure>\n<p>IntelliJ IDEA \u8fd8\u4f1a\u5728\u4ee3\u7801\u5197\u4f59\u65f6\u544a\u77e5\u60a8\u3002 \u5728\u4e0b\u9762\u7684\u793a\u4f8b\u4e2d\uff0c<code>new File<\/code> \u4ee5\u7070\u8272\u663e\u793a\u3002 \u8fd9\u662f\u56e0\u4e3a\u5b83\u662f\u5197\u4f59\u7684\uff0c\u53ef\u88ab\u66ff\u6362\u4e3a\u6587\u4ef6\u540d\u3002<\/p>\n<figure class=\"wp-block-image size-full\"><img decoding=\"async\" loading=\"lazy\" class=\"wp-image-510227\" src=\"https:\/\/blog.jetbrains.com\/wp-content\/uploads\/2024\/09\/RedundantCode.png\" alt=\"\" width=\"3840\" height=\"2160\" \/>\n<figcaption class=\"wp-element-caption\">\u5197\u4f59\u4ee3\u7801<\/figcaption>\n<\/figure>\n<h2 class=\"wp-block-heading\">\u5feb\u901f\u67e5\u770b\u4ee3\u7801\u4e2d\u7684\u95ee\u9898\u2026<\/h2>\n<p>\u5982\u4e0a\u9762\u6240\u89c1\uff0cIntelliJ IDEA \u4f1a\u9ad8\u4eae\u663e\u793a\u4ee3\u7801\u4e2d\u7684\u6f5c\u5728\u95ee\u9898\u3002 \u5982\u679c\u60a8\u60f3\u8be6\u7ec6\u4e86\u89e3\u8fd9\u4e9b\u95ee\u9898\uff0c\u53ef\u4ee5\u5c06\u5149\u6807\u79fb\u52a8\u5230\u7f16\u8f91\u5668\u4e2d\u9ad8\u4eae\u663e\u793a\u7684\u4ee3\u7801\u4e0a\uff0c\u5c06\u9f20\u6807\u60ac\u505c\u5728\u53f3\u4fa7\u88c5\u8ba2\u533a\u57df\u4e2d\u7684\u9519\u8bef\u6761\u7eb9\u4e0a\uff0c\u6216\u8005\u70b9\u51fb\u5de6\u4fa7\u7684\u706f\u6ce1\u56fe\u6807\u3002<\/p>\n<p>\u7f16\u8f91\u5668\u7a97\u683c\u53f3\u4e0a\u89d2\u7684 <em>Inspection<\/em>\uff08\u68c0\u67e5\uff09\u5fae\u4ef6\u5c06\u663e\u793a\u5f53\u524d\u6587\u4ef6\u4e2d\u7684\u95ee\u9898\u6570\u91cf\u53ca\u5176\u4e25\u91cd\u6027\u3002 \u60a8\u53ef\u4ee5\u70b9\u51fb <em>Inspection<\/em>\uff08\u68c0\u67e5\uff09\u5fae\u4ef6\u6253\u5f00\u95ee\u9898\u5217\u8868\uff0c\u8fd9\u4e9b\u95ee\u9898\u968f\u540e\u4f1a\u663e\u793a\u5728 <em>Problems<\/em>\uff08\u95ee\u9898\uff09\u5de5\u5177\u7a97\u53e3\u7684 <em>File<\/em>\uff08\u6587\u4ef6\uff09\u6807\u7b7e\u9875\u4e2d\u3002<\/p>\n<figure class=\"wp-block-video\"><video src=\"https:\/\/blog.jetbrains.com\/wp-content\/uploads\/2024\/09\/InspectionWidget.mp4\" controls=\"controls\" width=\"300\" height=\"150\"><\/video>\n<figcaption class=\"wp-element-caption\">Inspection\uff08\u68c0\u67e5\uff09\u5fae\u4ef6<\/figcaption>\n<\/figure>\n<h2 class=\"wp-block-heading\">\u2026\u5e76\u81ea\u52a8\u4fee\u6b63<\/h2>\n<p>IntelliJ IDEA \u4e3a\u8fd9\u4e9b\u68c0\u67e5\u63d0\u4f9b<a href=\"https:\/\/www.jetbrains.com.cn\/help\/idea\/resolving-problems.html\" target=\"_blank\" rel=\"noreferrer noopener\" data-type=\"link\" data-id=\"https:\/\/www.jetbrains.com\/help\/idea\/resolving-problems.html\">\u5feb\u901f\u4fee\u590d<\/a>\uff0c\u4ee5\u5e2e\u52a9\u60a8\u5b9e\u65f6\u4fee\u6b63\u4ee3\u7801\u3002 \u4f7f\u7528 <em>\u2325\u23ce <\/em>(macOS) \u6216 <em>Alt+Enter<\/em> (Windows\/Linux) \u8c03\u7528 <em>Show Context Actions<\/em>\uff08\u663e\u793a\u4e0a\u4e0b\u6587\u64cd\u4f5c\uff09\u5e76\u4ece\u5217\u8868\u4e2d\u9009\u62e9\u6240\u9700\u7684\u64cd\u4f5c\u4ee5\u5c06\u5176\u5e94\u7528\u4e8e\u4ee3\u7801\u3002<\/p>\n<p>\u5982\u679c\u4ee3\u7801\u4e2d\u5b58\u5728\u591a\u4e2a\u9519\u8bef\u548c\u8b66\u544a\uff0c\u53ef\u4ee5\u4f7f\u7528 <em>F2<\/em> \u5bfc\u822a\u5230\u4e0b\u4e00\u4e2a\u95ee\u9898\uff0c\u6216\u8005\u4f7f\u7528 <em>Shift+F2<\/em> \u5bfc\u822a\u5230\u4e0a\u4e00\u4e2a\u95ee\u9898\u3002 \u8fd9\u6837\uff0c\u60a8\u53ef\u4ee5\u9010\u4e00\u4fee\u6b63\u6bcf\u4e2a\u95ee\u9898\u3002<\/p>\n<figure class=\"wp-block-video\"><video src=\"https:\/\/blog.jetbrains.com\/wp-content\/uploads\/2024\/09\/FixProblems.mp4\" controls=\"controls\" width=\"300\" height=\"150\"><\/video>\n<figcaption class=\"wp-element-caption\">\u4fee\u6b63\u95ee\u9898<\/figcaption>\n<\/figure>\n<h2 class=\"wp-block-heading\">\u6539\u8fdb\u4ee3\u7801\u8d28\u91cf<\/h2>\n<p>\u5373\u4f7f\u4ee3\u7801\u4e2d\u6ca1\u6709\u95ee\u9898\uff0cIntelliJ IDEA \u4ecd\u7136\u53ef\u80fd\u4f1a\u63d0\u4f9b\u4e00\u4e9b\u5173\u4e8e\u5982\u4f55\u6539\u8fdb\u4ee3\u7801\u7684\u5efa\u8bae\u3002 \u4f7f\u7528 <em>Show Context Actions<\/em>\uff08\u663e\u793a\u4e0a\u4e0b\u6587\u64cd\u4f5c\uff09\uff08macOS \u4e0a\u4e3a <em>\u2325\u23ce<\/em>\uff0cWindows\/Linux \u4e0a\u4e3a <em>Alt+Enter<\/em>\uff09\u5c06\u5efa\u8bae\u5e94\u7528\u4e8e\u60a8\u7684\u4ee3\u7801\u3002 \u4f8b\u5982\uff0c\u60a8\u53ef\u4ee5\u5c1d\u8bd5\u65b0\u7684\u60ef\u7528\u6cd5\uff0c\u4f8b\u5982\u4f7f\u7528 <code>forEach<\/code> \u4ee3\u66ff <code>for<\/code> \u5faa\u73af\uff0c\u6216\u4f7f\u7528 <code>stream<\/code> \u4ee3\u66ff <code>while<\/code> \u5faa\u73af\uff0c\u751a\u81f3\u4f7f\u7528 try-with-resources \u8bed\u53e5\u4ee3\u66ff\u4eb2\u81ea\u5173\u95ed <code>BufferedReader<\/code>\u3002<\/p>\n<figure class=\"wp-block-video\"><video src=\"https:\/\/blog.jetbrains.com\/wp-content\/uploads\/2024\/09\/Suggestions.mp4\" controls=\"controls\" width=\"300\" height=\"150\"><\/video>\n<figcaption class=\"wp-element-caption\">\u5efa\u8bae<\/figcaption>\n<\/figure>\n<h2 class=\"wp-block-heading\">\u4fee\u6b63\u6574\u4e2a\u6587\u4ef6\u4e2d\u51fa\u73b0\u7684\u6240\u6709\u7279\u5b9a\u95ee\u9898<\/h2>\n<p>\u5982\u679c\u540c\u4e00\u95ee\u9898\u5728\u540c\u4e00\u6587\u4ef6\u4e2d\u591a\u6b21\u51fa\u73b0\uff0c\u60a8\u65e0\u9700\u9010\u4e00\u4fee\u6b63\uff01 IntelliJ IDEA \u8fd8\u53ef\u4ee5\u4fee\u6b63\u6587\u4ef6\u4e2d\u591a\u4e2a\u4f4d\u7f6e\u7684\u7279\u5b9a\u95ee\u9898\u3002 \u4f7f\u7528 <em>Show Context Actions<\/em>\uff08\u663e\u793a\u4e0a\u4e0b\u6587\u64cd\u4f5c\uff09\uff08macOS \u4e0a\u4e3a <em>\u2325\u23ce<\/em>\uff0cWindows\/Linux \u4e0a\u4e3a <em>Alt+Enter<\/em>\uff09\u65f6\uff0c\u70b9\u51fb\u5efa\u8bae\u53f3\u4fa7\u7684\u4e09\u4e2a\u70b9\uff0c\u5c06\u8be5\u5efa\u8bae\u5e94\u7528\u4e8e\u6574\u4e2a\u6587\u4ef6\u3002<\/p>\n<figure class=\"wp-block-video\"><video src=\"https:\/\/blog.jetbrains.com\/wp-content\/uploads\/2024\/09\/FixAllProblemsInFile.mp4\" controls=\"controls\" width=\"300\" height=\"150\"><\/video>\n<figcaption class=\"wp-element-caption\">\u4fee\u6b63\u6587\u4ef6\u4e2d\u7684\u6240\u6709\u95ee\u9898<\/figcaption>\n<\/figure>\n<h2 class=\"wp-block-heading\">\u7ed3\u8bba<\/h2>\n<p>IntelliJ IDEA \u53ef\u4ee5\u901a\u8fc7\u5728\u60a8\u7f16\u5199\u4ee3\u7801\u65f6\u9ad8\u4eae\u663e\u793a\u9700\u8981\u989d\u5916\u5173\u6ce8\u7684\u4ee3\u7801\u6765\u5e2e\u52a9\u60a8\u9884\u9632\u95ee\u9898\uff0c\u5e76\u5e2e\u52a9\u60a8\u627e\u5230\u5f53\u524d\u4ee3\u7801\u4e2d\u53ef\u4ee5\u6539\u8fdb\u7684\u5730\u65b9\u3002\u00a0<\/p>\n<p>IntelliJ IDEA \u8fd8\u53ef\u4ee5\u5e2e\u52a9\u60a8\u89e3\u51b3\u6574\u4e2a\u9879\u76ee\u4e2d\u7684\u95ee\u9898\uff0c\u800c\u4e0d\u4ec5\u4ec5\u662f\u60a8\u5f53\u524d\u6b63\u5728\u5904\u7406\u7684\u6587\u4ef6\u3002 \u5728\u672c\u7cfb\u5217\u7684\u4e0b\u4e00\u90e8\u5206\u4e2d\uff0c\u6211\u4eec\u5c06\u4e86\u89e3\u5982\u4f55\u5206\u6790\u9879\u76ee\u7684\u4ee3\u7801\u3002<\/p>\n<p>\u5982\u679c\u60a8\u4e0d\u60f3\u9519\u8fc7\uff0c\u8bf7\u8ba2\u9605\u6211\u4eec\u7684<a href=\"https:\/\/lp.jetbrains.com\/intellij-idea-communication-center\/\" target=\"_blank\" rel=\"noopener\">\u535a\u5ba2<\/a>\u3002<\/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:\/\/blog.jetbrains.com\/wp-content\/uploads\/2025\/09\/Marit_JC_dD_950x950.png\" width=\"200\" height=\"200\" alt=\"Marit van Dijk\" 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                                            <h4>Marit van Dijk<\/h4>\n                                                        <\/div>\n            <\/div>\n        <\/div>\n    <\/div>\n","protected":false},"author":1297,"featured_media":510813,"comment_status":"closed","ping_status":"closed","template":"","categories":[4759,5088],"tags":[],"cross-post-tag":[],"acf":[],"_links":{"self":[{"href":"https:\/\/blog.jetbrains.com\/zh-hans\/wp-json\/wp\/v2\/idea\/529840"}],"collection":[{"href":"https:\/\/blog.jetbrains.com\/zh-hans\/wp-json\/wp\/v2\/idea"}],"about":[{"href":"https:\/\/blog.jetbrains.com\/zh-hans\/wp-json\/wp\/v2\/types\/idea"}],"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=529840"}],"version-history":[{"count":10,"href":"https:\/\/blog.jetbrains.com\/zh-hans\/wp-json\/wp\/v2\/idea\/529840\/revisions"}],"predecessor-version":[{"id":529857,"href":"https:\/\/blog.jetbrains.com\/zh-hans\/wp-json\/wp\/v2\/idea\/529840\/revisions\/529857"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/blog.jetbrains.com\/zh-hans\/wp-json\/wp\/v2\/media\/510813"}],"wp:attachment":[{"href":"https:\/\/blog.jetbrains.com\/zh-hans\/wp-json\/wp\/v2\/media?parent=529840"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/blog.jetbrains.com\/zh-hans\/wp-json\/wp\/v2\/categories?post=529840"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/blog.jetbrains.com\/zh-hans\/wp-json\/wp\/v2\/tags?post=529840"},{"taxonomy":"cross-post-tag","embeddable":true,"href":"https:\/\/blog.jetbrains.com\/zh-hans\/wp-json\/wp\/v2\/cross-post-tag?post=529840"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}