{"id":2993,"date":"2024-11-10T14:55:04","date_gmt":"2024-11-10T06:55:04","guid":{"rendered":"https:\/\/fwq.ai\/blog\/2993\/"},"modified":"2024-11-10T14:55:04","modified_gmt":"2024-11-10T06:55:04","slug":"react-%e4%b8%ad%e7%9a%84%e5%bc%82%e6%ad%a5%e6%b4%be%e7%94%9f","status":"publish","type":"post","link":"https:\/\/fwq.ai\/blog\/2993\/","title":{"rendered":"React \u4e2d\u7684\u5f02\u6b65\u6d3e\u751f"},"content":{"rendered":"<p><img decoding=\"async\" src=\"https:\/\/img.php.cn\/upload\/article\/001\/246\/273\/173096160692464.jpg\" class=\"aligncenter\" title=\"React \u4e2d\u7684\u5f02\u6b65\u6d3e\u751f\u63d2\u56fe\" alt=\"React \u4e2d\u7684\u5f02\u6b65\u6d3e\u751f\u63d2\u56fe\" \/><\/p>\n<p>\u6211\u4eec\u9047\u5230\u4e86\u4e00\u4e2a\u95ee\u9898\uff0c\u5f02\u6b65\u5f88\u96be\u3002<\/p>\n<p>\u5047\u8bbe\u60a8\u6709\u4e00\u4e2a\u7b80\u5355\u7684 get api\uff0c\u4e00\u4e2a\u63a5\u6536 searchtext \u4f5c\u4e3a\u53c2\u6570\u7684\u641c\u7d22\u3002\u60a8\u4f7f\u7528\u60a8\u504f\u597d\u7684 http \u8bf7\u6c42\u5de5\u5177\u8c03\u7528\u5b83\u5e76\u5f97\u5230\u4e00\u4e2a\u627f\u8bfa\uff0c\u5b83\u89e3\u6790\u4e3a\u60a8\u6b63\u5728\u641c\u7d22\u7684\u4efb\u4f55\u5185\u5bb9\u7684\u5217\u8868\u3002<\/p>\n<p><strong>\u5982\u4f55\u5728 react \u7ec4\u4ef6\u4e2d\u8c03\u7528\u5b83\uff1f<\/strong><\/p>\n<p>\u9996\u5148\uff0c\u9700\u8981\u6ce8\u610f\u4e00\u4ef6\u4e8b\uff0c\u6211\u6240\u63cf\u8ff0\u7684\u53ef\u4ee5\u5efa\u6a21\u4e3a\uff1a<\/p>\n<pre>result = await searchapi(searchtext);\n<\/pre>\n<p> \u767b\u5f55\u540e\u590d\u5236 <\/p>\n<p>\u8ba9\u6211\u4eec\u5728\u8fd9\u91cc\u4e86\u89e3\u4e00\u4e0b\u6982\u5ff5\u3002 <strong>\u8fd9\u662f\u4e00\u4e2a\u63a8\u5bfc<\/strong>\u3002\u5bf9\u4e8e\u6bcf\u4e2a\u7248\u672c\u7684 searchtext\uff0c\u60a8\u53ef\u4ee5\u83b7\u5f97\u4e0d\u540c\u7684\u7ed3\u679c\u3002\u4f46\u8fd9\u91cc\u6709\u4e00\u4e9b\u95ee\u9898\uff1a<\/p>\n<ul>\n<li>\u8fd9\u662f\u5916\u90e8\u6570\u636e\u3002<\/li>\n<li>\u5b83\u8fd4\u56de\u4e00\u4e2a\u627f\u8bfa\u3002<\/li>\n<\/ul>\n<p><strong>\u5982\u4f55\u5728 react \u4e2d\u5c06\u5176\u79f0\u4e3a\u6d3e\u751f\uff1f<\/strong><\/p>\n<p>\u4f7f\u7528\u7b2c\u4e09\u65b9\u5e93\uff0c\u4f8b\u5982 tanstack query \u548c swr \u89e3\u51b3\u4e86\u6211\u4eec\u7684\u95ee\u9898\u3002\u5b83\u4eec\u4e3a\u6211\u4eec\u63d0\u4f9b\u4e86\u53ef\u4ee5\u5728 react \u7ec4\u4ef6\u4e2d\u4f7f\u7528\u7684\u94a9\u5b50\uff0c\u63a5\u6536\u6211\u4eec\u7684\u72b6\u6001\u548c\u5c5e\u6027\uff0c\u5e76\u5728 api \u53d1\u751f\u53d8\u5316\u65f6\u91cd\u65b0\u8ba1\u7b97\uff08\u91cd\u65b0\u83b7\u53d6\uff09\u3002\u770b\u8fd9\u4e2a\u4f8b\u5b50\uff1a<\/p>\n<pre>const { data: searchresult, loading } = usequery({querykey: [search, searchtext],queryfn: getsearch,});\n<\/pre>\n<p> \u767b\u5f55\u540e\u590d\u5236 <\/p>\n<p><strong>\u597d\u7684\uff0c\u6211\u4eec\u89e3\u51b3\u4e86\u5f02\u6b65\u63a8\u5bfc\uff0c\u5bf9\u5427\uff1f<\/strong><\/p>\n<p>\u5176\u5b9e\u4e0d\u662f\u3002<\/p>\n<p>\u987a\u4fbf\u8bf4\u4e00\u53e5\uff0c\u6211\u603b\u662f\u5efa\u8bae\u53ea\u4f7f\u7528\u8fd9\u4e9b\u5e93\u4e4b\u4e00\uff0c\u5b83\u4eec\u975e\u5e38\u68d2\uff0c\u5e76\u4e14\u53ef\u4ee5\u5728\u66f4\u590d\u6742\u7684\u60c5\u51b5\u4e0b\u8282\u7701\u5927\u91cf\u65f6\u95f4\uff08\u4f8b\u5982\u91cd\u65b0\u83b7\u53d6\u3001\u91cd\u8bd5\u3001\u7f13\u5b58\u63a7\u5236\u7b49\uff09\uff0c\u4f46\u6211\u4eec\u4e0d\u80fd\u6307\u671b\u7b2c\u4e09\u4e2a- \u89e3\u51b3 react \u6982\u5ff5\u95ee\u9898\u7684\u805a\u4f1a\u3002<\/p>\n<p>\u518d\u6b21\u56de\u5230\u53cd\u5e94\u6027\uff0c\u6211\u4eec\u9700\u8981\u6709\u4e00\u79cd\u65b9\u6cd5\u6765\u5904\u7406\u6d3e\u751f\u6a21\u578b\u4e2d\u7684\u5f02\u6b65\u60c5\u51b5\u3002 react \u5e94\u8be5\u4e3a\u6211\u4eec\u63d0\u4f9b\u4e00\u4e2a\u9488\u5bf9\u8fd9\u79cd\u60c5\u51b5\u7684\u539f\u8bed\u3002\u55ef\uff0c\u76f4\u5230\u7248\u672c 18 \u4e4b\u524d\u6211\u4eec\u90fd\u6ca1\u6709\u5b83\uff0c\u4f46\u5728\u7248\u672c 19 \u4e2d\u5c31\u4e0d\u540c\u4e86\u3002<\/p>\n<h2> \u201c\u4f7f\u7528\u201d\u6848\u4f8b <\/h2>\n<p>react 19 \u5f15\u5165\u4e86\u4e00\u4e2a\u540d\u4e3a use \u7684\u65b0\u539f\u8bed\u3002\u662f\u7684\uff0c\u547d\u540d\u6709\u70b9\u4ee4\u4eba\u56f0\u60d1\uff0c\u4f46\u5b83\u5728 react \u53cd\u5e94\u6a21\u578b\u4e2d\u7684\u4f5c\u7528\u975e\u5e38\u91cd\u8981\u3002\u6709\u4e86\u5b83\uff0c\u6211\u4eec\u53ef\u4ee5\u5728\u671f\u95f4\u89e3\u51b3\u627f\u8bfa\u3002 <strong>\u7f3a\u5931\u7684\u63a8\u5bfc\u3002<\/strong><\/p>\n<p>\u5728\u6b64\u4e4b\u524d\uff0c\u5728\u7ec4\u4ef6\u6e32\u67d3\u671f\u95f4\u8c03\u7528 fetch \u7684\u552f\u4e00\u65b9\u6cd5\u662f\u4f7f\u7528 useeffect\uff0c\u8c03\u7528 promise \u5e76\u5728 then \u5b50\u53e5\u4e2d\uff0c\u4f7f\u7528\u4f5c\u4e3a\u54cd\u5e94\u7684\u503c\u8bbe\u7f6e\u72b6\u6001\u3002\u8fd9\u5728\u67d0\u79cd\u7a0b\u5ea6\u4e0a\u662f\u6709\u6548\u7684\uff0c\u4f46\u6211\u4eec\u5728\u4f7f\u7528\u6548\u679c\u6765\u5b9e\u73b0\u8fd9\u4e00\u70b9\u65f6\u9047\u5230\u4e86\u6240\u6709\u95ee\u9898\u3002<br \/> use \u539f\u8bed\u5141\u8bb8\u6211\u4eec\u5728\u7ec4\u4ef6\u6e32\u67d3\u671f\u95f4\u89e3\u6790 promise\uff0c\u5141\u8bb8\u6211\u4eec\u4f7f\u7528\u72b6\u6001\u548c props \u6765\u521b\u5efa promise\uff0c\u7136\u540e\u89e3\u6790\u8fd9\u4e9b promise \u5e76\u5c06\u5176\u7528\u4e8e\u6211\u4eec\u7684\u51fd\u6570\u548c jsx\u3002<\/p>\n<pre>const useCountTotal = (count: number) =&gt; {\n  const countTotalPromise = useMemo(() =&gt; genericPromise(count), [count]);\n\n\n  const result = use(countTotalPromise);\n\n\n  return result;\n}\n\n\nfunction AsyncDerivation({count}: { count: number}) {\n  const result = useCountTotal(count);\n\n  return (\n    &lt;div&gt;Total count is: {result}&lt;\/div&gt;\n  )\n}\n<\/pre>\n<p> \u767b\u5f55\u540e\u590d\u5236 <\/p>\n<p>\u5728\u6211\u5199\u8fd9\u7bc7\u6587\u7ae0\u7684\u65f6\u5019\uff0c\u6211\u4eec\u8fd8\u6ca1\u6709 react 19 \u7684\u6700\u7ec8\u7248\u672c\u3002\u6709\u4e00\u4e9b\u8b66\u544a\uff0c\u5e76\u4e14\u8be5\u539f\u8bed\u53ef\u80fd\u4f1a\u5728\u672a\u6765\u53d1\u5c55\u4ee5\u5728\u66f4\u591a\u5730\u65b9\u5de5\u4f5c\u3002<\/p>\n<p>\u539f\u59cb\u4f7f\u7528\u7684\u4e00\u4e2a\u5177\u4f53\u95ee\u9898\u662f\u5b83\u9700\u8981\u4e0e suspense \u4e00\u8d77\u4f7f\u7528\uff0c\u8fd9\u662f\u6709\u5145\u5206\u7406\u7531\u7684\u3002<\/p>\n<h2> \u5f02\u6b65\u548c react \u7ec4\u4ef6 <\/h2>\n<p>awt \u7684\u6982\u5ff5\u5f88\u597d\uff0c\u4f46\u662f\u4e0e react \u7ec4\u4ef6\u7ed3\u5408\u65f6\u6709\u4e00\u4e2a\u7f3a\u9677\u3002\u60a8\u4e0d\u80fd\u53ea\u5728\u6e32\u67d3\u671f\u95f4\u4f7f\u7528await\u3002 react \u8c03\u7528\u7ec4\u4ef6\u6765\u83b7\u53d6 jsx \u54cd\u5e94\uff0c\u5e76\u5728\u6d41\u7a0b\u4e2d\u4f7f\u7528\u5b83\u6765\u6e32\u67d3 ui\u3002<\/p>\n<p>\u5982\u679c\u6211\u4eec\u53ef\u4ee5\u5728\u7b49\u5f85\u4e2d\u505c\u6b62\u6240\u6709\u4e8b\u60c5\uff0creact \u5c31\u65e0\u6cd5\u8bbf\u95ee\u8be5\u7ec4\u4ef6\u7684\u5b50\u7ec4\u4ef6\u5e76\u7ee7\u7eed\u5176\u5de5\u4f5c\uff0c\u76f4\u5230\u6811\u7684\u672b\u5c3e\u3002\u6211\u4eec\u4f1a\u505c\u6b62\u6e32\u67d3\u6d41\u7a0b\u5e76\u4f7f ui \u4e0d\u66f4\u65b0\u5e76\u51bb\u7ed3\u3002<\/p>\n<p><strong>\u5982\u4f55\u89e3\u51b3\uff1f<\/strong><\/p>\n<p>\u6211\u4eec\u53ef\u4ee5\u770b\u4e00\u4e0b\u6211\u5728\u672c\u6587\u4e2d\u4f7f\u7528\u7684\u4e24\u4e2a\u793a\u4f8b\u3002\u7b2c\u4e00\u4e2a\u91c7\u7528\u8fd4\u56de\u6807\u5fd7\uff08\u4f8b\u5982\u52a0\u8f7d\uff09\u7684\u65b9\u6cd5\uff0c\u800c\u4e0d\u662f\u963b\u585e\u6e32\u67d3\u6d41\u3002\u5f53\u627f\u8bfa\u5f97\u5230\u89e3\u51b3\u65f6\uff0c\u5b83\u4f1a\u5f15\u53d1\u91cd\u65b0\u6e32\u67d3\uff0c\u66f4\u65b0\u6807\u5fd7\uff0c\u52a0\u8f7d\u53d8\u4e3a false \u5e76\u4e14\u6570\u636e\u63a5\u6536\u54cd\u5e94\u6570\u636e\u3002<\/p>\n<p>\u4f7f\u7528\u65b9\u5f0f\u4e0d\u540c\u3002\u5b83\u7684\u884c\u4e3a\u786e\u5b9e\u7c7b\u4f3c\u4e8eawait\u539f\u8bed\uff0c\u56e0\u6b64\u7ec4\u4ef6\u6e32\u67d3\u6d41\u5728\u90a3\u91cc\u505c\u6b62\uff0c\u76f4\u5230\u5206\u8fa8\u7387\u3002<\/p>\n<p><strong>\u7b49\u7b49\uff0c\u7b49\u7b49\uff0c\u4f60\u8bf4\u8fd9\u662f\u4e00\u4e2a\u95ee\u9898\uff0c\u5bf9\u5427\uff1f<\/strong><\/p>\n<p>\u62ef\u6551\u60ac\u5ff5\u6765\u4e86\u3002\u5f53\u60a8\u4f7f\u7528 use \u539f\u8bed\u65f6\uff0c\u5b83\u5c06\u88ab\u5305\u88c5\u5728 suspense \u7ec4\u4ef6\u4e2d\uff0c\u6e32\u67d3\u6d41\u5c06\u505c\u6b62\u7b49\u5f85 use \u5206\u8fa8\u7387\uff0c\u5e76\u4e14\u7528\u6237\u5c06\u83b7\u5f97\u5728 ui \u4e0a\u6e32\u67d3\u7684\u540e\u5907\uff08\u901a\u5e38\u662f\u52a0\u8f7d\u65cb\u8f6c\u5668\u6216\u9aa8\u67b6\uff0c\u8868\u660e\u6211\u4eec\u6b63\u5728\u90a3\u91cc\u52a0\u8f7d\u4e00\u4e9b\u4e1c\u897f\uff09\u3002<\/p>\n<p>\u5f53\u4f7f\u7528\u627f\u8bfa\u5f97\u5230\u89e3\u51b3\u540e\uff0c\u6211\u4eec\u5c06\u7ee7\u7eed\u6e32\u67d3\u5e76\u76f8\u5e94\u5730\u66f4\u65b0 ui\u3002\u65e0\u9700\u4f7f\u7528useeffect\u3002<\/p>\n<h2> \u7ed3\u8bba <\/h2>\n<p>use \u539f\u8bed\u5bf9\u4e8e\u65e8\u5728\u4f7f\u7528 suspense \u5e76\u5904\u7406\u5f02\u6b65\u884c\u4e3a\u7684\u5e93\u4f5c\u8005\u6765\u8bf4\u975e\u5e38\u6709\u7528\u3002\u5bf9\u4e8e\u5e94\u7528\u7a0b\u5e8f\u5f00\u53d1\u4eba\u5458\u6765\u8bf4\uff0c\u5b83\u4fee\u590d\u4e86\u57fa\u672c\u53cd\u5e94\u6027\u6a21\u578b\u4e2d\u7684\u53e6\u4e00\u79cd\u60c5\u51b5\uff0c\u8fd9\u975e\u5e38\u9002\u5408\u7b80\u5355\u7684\u7528\u4f8b\u3002\u7531\u4e8e\u5b83\u5c01\u88c5\u4e86 promise\uff0c\u56e0\u6b64\u5b83\u4e0d\u4ec5\u9650\u4e8e http \u8bf7\u6c42\uff0c\u8fd8\u9002\u7528\u4e8e\u6240\u6709\u5f02\u6b65\u60c5\u51b5\u548c\u5916\u90e8 api \u4f7f\u7528\uff0c\u8fd9\u53ef\u4ee5\u4e3a\u751f\u6001\u7cfb\u7edf\u6dfb\u52a0\u66f4\u591a\u8d44\u6e90\u3002<\/p>\n<p>\u4ee5\u4e0a\u5c31\u662fReact \u4e2d\u7684\u5f02\u6b65\u6d3e\u751f\u7684\u8be6\u7ec6\u5185\u5bb9\uff0c\u66f4\u591a\u8bf7\u5173\u6ce8\u7c73\u4e91\u5176\u5b83\u76f8\u5173\u6587\u7ae0\uff01<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u6211\u4eec\u9047\u5230\u4e86\u4e00\u4e2a\u95ee\u9898\uff0c\u5f02\u6b65\u5f88\u96be\u3002 \u5047\u8bbe\u60a8\u6709\u4e00\u4e2a\u7b80\u5355\u7684 get api\uff0c\u4e00\u4e2a\u63a5\u6536 searchtext \u4f5c\u4e3a\u53c2\u6570\u7684\u641c\u7d22\u3002\u60a8\u4f7f\u7528\u60a8\u504f\u597d\u7684 http \u8bf7\u6c42\u5de5\u5177\u8c03\u7528\u5b83\u5e76\u5f97\u5230\u4e00\u4e2a\u627f\u8bfa\uff0c\u5b83\u89e3\u6790\u4e3a\u60a8\u6b63\u5728\u641c\u7d22\u7684\u4efb\u4f55\u5185\u5bb9\u7684\u5217\u8868\u3002 \u5982\u4f55\u5728 react \u7ec4\u4ef6\u4e2d\u8c03\u7528\u5b83\uff1f \u9996\u5148\uff0c\u9700\u8981\u6ce8\u610f\u4e00\u4ef6\u4e8b\uff0c\u6211\u6240\u63cf\u8ff0\u7684\u53ef\u4ee5\u5efa\u6a21\u4e3a\uff1a result = await searchapi(searchtext); \u767b\u5f55\u540e\u590d\u5236 \u8ba9\u6211\u4eec\u5728\u8fd9\u91cc\u4e86\u89e3\u4e00\u4e0b\u6982\u5ff5\u3002 \u8fd9\u662f\u4e00\u4e2a\u63a8\u5bfc\u3002\u5bf9\u4e8e\u6bcf\u4e2a\u7248\u672c\u7684 searchtext\uff0c\u60a8\u53ef\u4ee5\u83b7\u5f97\u4e0d\u540c\u7684\u7ed3\u679c\u3002\u4f46\u8fd9\u91cc\u6709\u4e00\u4e9b\u95ee\u9898\uff1a \u8fd9\u662f\u5916\u90e8\u6570\u636e\u3002 \u5b83\u8fd4\u56de\u4e00\u4e2a\u627f\u8bfa\u3002 \u5982\u4f55\u5728 react \u4e2d\u5c06\u5176\u79f0\u4e3a\u6d3e\u751f\uff1f \u4f7f\u7528\u7b2c\u4e09\u65b9\u5e93\uff0c\u4f8b\u5982 tanstack query \u548c swr \u89e3\u51b3\u4e86\u6211\u4eec\u7684\u95ee\u9898\u3002\u5b83\u4eec\u4e3a\u6211\u4eec\u63d0\u4f9b\u4e86\u53ef\u4ee5\u5728 react \u7ec4\u4ef6\u4e2d\u4f7f\u7528\u7684\u94a9\u5b50\uff0c\u63a5\u6536\u6211\u4eec\u7684\u72b6\u6001\u548c\u5c5e\u6027\uff0c\u5e76\u5728 api \u53d1\u751f\u53d8\u5316\u65f6\u91cd\u65b0\u8ba1\u7b97\uff08\u91cd\u65b0\u83b7\u53d6\uff09\u3002\u770b\u8fd9\u4e2a\u4f8b\u5b50\uff1a const { data: searchresult, loading } = usequery({querykey: [search, searchtext],queryfn: getsearch,}); \u767b\u5f55\u540e\u590d\u5236 \u597d\u7684\uff0c\u6211\u4eec\u89e3\u51b3\u4e86\u5f02\u6b65\u63a8\u5bfc\uff0c\u5bf9\u5427\uff1f \u5176\u5b9e\u4e0d\u662f\u3002 \u987a\u4fbf\u8bf4\u4e00\u53e5\uff0c\u6211\u603b\u662f\u5efa\u8bae\u53ea\u4f7f\u7528\u8fd9\u4e9b\u5e93\u4e4b\u4e00\uff0c\u5b83\u4eec\u975e\u5e38\u68d2\uff0c\u5e76\u4e14\u53ef\u4ee5\u5728\u66f4\u590d\u6742\u7684\u60c5\u51b5\u4e0b\u8282\u7701\u5927\u91cf\u65f6\u95f4\uff08\u4f8b\u5982\u91cd\u65b0\u83b7\u53d6\u3001\u91cd\u8bd5\u3001\u7f13\u5b58\u63a7\u5236\u7b49\uff09\uff0c\u4f46\u6211\u4eec\u4e0d\u80fd\u6307\u671b\u7b2c\u4e09\u4e2a- \u89e3\u51b3 react \u6982\u5ff5\u95ee\u9898\u7684\u805a\u4f1a\u3002 \u518d\u6b21\u56de\u5230\u53cd\u5e94\u6027\uff0c\u6211\u4eec\u9700\u8981\u6709\u4e00\u79cd\u65b9\u6cd5\u6765\u5904\u7406\u6d3e\u751f\u6a21\u578b\u4e2d\u7684\u5f02\u6b65\u60c5\u51b5\u3002 react [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[16],"tags":[],"class_list":["post-2993","post","type-post","status-publish","format-standard","hentry","category-16"],"_links":{"self":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/2993","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/comments?post=2993"}],"version-history":[{"count":0,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/2993\/revisions"}],"wp:attachment":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/media?parent=2993"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/categories?post=2993"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/tags?post=2993"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}