{"id":778,"date":"2026-06-25T04:06:22","date_gmt":"2026-06-25T04:06:22","guid":{"rendered":"https:\/\/hyc.eshachem.com\/program\/?p=778"},"modified":"2026-06-25T04:15:22","modified_gmt":"2026-06-25T04:15:22","slug":"115-birc-%e5%89%8d%e7%ab%af%e7%be%a4-%e6%9a%91%e6%9c%9f%e4%bd%9c%e6%a5%ad","status":"publish","type":"post","link":"https:\/\/hyc.eshachem.com\/program\/115-birc-%e5%89%8d%e7%ab%af%e7%be%a4-%e6%9a%91%e6%9c%9f%e4%bd%9c%e6%a5%ad\/","title":{"rendered":"115-BIRC \u524d\u7aef\u7fa4 \u6691\u671f\u4f5c\u696d"},"content":{"rendered":"\n<p class=\"wp-block-paragraph\">\u5beb\u4e00\u500b\u6587\u4ef6\u95dc\u65bc\uff0cuseState \u548cUseEffect\uff0c\u4e0d\u7ba1\u662f\u6559\u5b78\u9019\u5169\u500bhook\u5982\u4f55\u4f7f\u7528\u53c8\u6216\u8005\u662f\u7528\u9019\u5169\u500bhook\u5beb\u4e86\u500b\u5c0f\u5c08\u984c\u7684\u5c08\u984c\u6587\u4ef6\u90fd\u53ef\u4ee5!<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">(\u5efa\u8b70\u4ee5Hack 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Effects\uff09\u300d\uff1f\u70ba\u4ec0\u9ebc\u8cc7\u6599\u6293\u53d6\u3001\u8a02\u95b1\u4e8b\u4ef6\u3001\u624b\u52d5\u8b8a\u66f4 DOM \u9700\u8981\u653e\u5728\u9019\u88e1\uff1f<\/li>\n\n\n\n<li><strong>\u4f9d\u8cf4\u9663\u5217\uff08Dependency Array\uff09<\/strong> \u7684\u7cbe\u6e96\u63a7\u5236\uff1a\n<ul class=\"wp-block-list\">\n<li>\u4e0d\u50b3\u50b3\u5165\u503c\uff08<code>undefined<\/code>\uff09<\/li>\n\n\n\n<li>\u7a7a\u9663\u5217\uff08<code>[]<\/code>\uff09<\/li>\n\n\n\n<li>\u5e36\u6709\u8b8a\u6578\u7684\u9663\u5217\uff08<code>[dep1, dep2]<\/code>\uff09<\/li>\n\n\n\n<li>\u4ee5\u4e0a\u4e09\u7a2e\u60c5\u5883\u7684\u57f7\u884c\u6642\u6a5f\u6709\u4f55\u4e0d\u540c\uff1f<\/li>\n<\/ul>\n<\/li>\n\n\n\n<li><strong>\u6e05\u9664\u51fd\u5f0f\uff08Cleanup Function\uff09<\/strong> \u7684\u91cd\u8981\u6027\uff1a\u4ec0\u9ebc\u6642\u5019\u6703\u89f8\u767c\uff1f\u70ba\u4ec0\u9ebc\u6c92\u5beb\u53ef\u80fd\u6703\u5c0e\u81f4\u8a18\u61b6\u9ad4\u6d29\u6f0f\uff08Memory 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class=\"wp-block-list\">\n<li>\u8aaa\u660e\u4f60\u7684\u5143\u4ef6\u7d50\u69cb\uff0c\u4ee5\u53ca\u8cc7\u6599\u662f\u5982\u4f55\u900f\u904e State \u9a45\u52d5\u756b\u9762\u66f4\u65b0\u7684\u3002<\/li>\n<\/ul>\n<\/li>\n\n\n\n<li><strong>Hook \u8a2d\u8a08\u8108\u7d61<\/strong>\n<ul class=\"wp-block-list\">\n<li>\u5177\u9ad4\u8aaa\u660e\u4f60\u628a\u54ea\u4e9b\u8cc7\u6599\u5b9a\u7fa9\u6210\u4e86 State\uff1f\u70ba\u4ec0\u9ebc\uff1f<\/li>\n\n\n\n<li>\u4f60\u7684 <code>useEffect<\/code> \u76e3\u807d\u4e86\u54ea\u4e9b\u4f9d\u8cf4\u8b8a\u6578\uff1f\u5728\u4ec0\u9ebc\u6642\u9593\u9ede\u6703\u89f8\u767c\uff1f<\/li>\n<\/ul>\n<\/li>\n\n\n\n<li><strong>\u4eae\u9ede\u8207\u6311\u6230<\/strong>\n<ul class=\"wp-block-list\">\n<li>\u5728\u958b\u767c\u904e\u7a0b\u4e2d\u9047\u5230\u4e86\u4ec0\u9ebc\u56f0\u96e3\uff1f\uff08\u4f8b\u5982\uff1a\u5982\u4f55\u907f\u514d\u91cd\u8907\u767c\u9001 API \u8acb\u6c42\u3001\u5982\u4f55\u8655\u7406 Race Condition 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