{"id":33183,"date":"2024-11-25T17:32:44","date_gmt":"2024-11-25T09:32:44","guid":{"rendered":"https:\/\/fwq.ai\/blog\/33183\/"},"modified":"2024-11-25T17:32:44","modified_gmt":"2024-11-25T09:32:44","slug":"%e6%b5%85%e6%9e%90%e5%b0%8f%e7%a8%8b%e5%ba%8f%e8%bf%90%e8%a1%8c%e6%9c%ba%e5%88%b6","status":"publish","type":"post","link":"https:\/\/fwq.ai\/blog\/33183\/","title":{"rendered":"\u6d45\u6790\u5c0f\u7a0b\u5e8f\u8fd0\u884c\u673a\u5236"},"content":{"rendered":"

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\u4e8c\u3001\u53cc\u7ebf\u7a0b\u6a21\u578b<\/strong><\/p>\n

\u5c0f\u7a0b\u5e8f\u7684\u6e32\u67d3\u5c42\u548c\u903b\u8f91\u5c42\u5206\u522b\u7531 2 \u4e2a\u7ebf\u7a0b\u7ba1\u7406\uff1a\u89c6\u56fe\u5c42\u7684\u754c\u9762\u4f7f\u7528\u4e86 WebView \u8fdb\u884c\u6e32\u67d3\uff0c\u903b\u8f91\u5c42\u91c7\u7528 JsCore \u7ebf\u7a0b\u8fd0\u884c JS\u811a\u672c\u3002<\/p>\n

\u90a3\u4e48\u4e3a\u4ec0\u4e48\u8981\u8fd9\u6837\u8bbe\u8ba1\u5462\uff0c\u524d\u9762\u4e5f\u63d0\u5230\u4e86\u7ba1\u63a7\u548c\u5b89\u5168\uff0c\u4e3a\u4e86\u89e3\u51b3\u8fd9\u4e9b\u95ee\u9898\uff0c\u6211\u4eec\u9700\u8981\u963b\u6b62\u5f00\u53d1\u8005\u4f7f\u7528\u4e00\u4e9b\uff0c\u4f8b\u5982\u6d4f\u89c8\u5668\u7684window\u5bf9\u8c61\uff0c\u8df3\u8f6c\u9875\u9762\u3001\u64cd\u4f5cDOM\u3001\u52a8\u6001\u6267\u884c\u811a\u672c\u7684\u5f00\u653e\u6027\u63a5\u53e3\u3002<\/p>\n

\u6211\u4eec\u53ef\u4ee5\u4f7f\u7528\u5ba2\u6237\u7aef\u7cfb\u7edf\u7684 JavaScript \u5f15\u64ce\uff0ciOS \u4e0b\u7684 JavaScriptCore \u6846\u67b6\uff0c\u5b89\u5353\u4e0b\u817e\u8baf x5 \u5185\u6838\u63d0\u4f9b\u7684 JsCore \u73af\u5883\u3002<\/p>\n

\u8fd9\u4e2a\u6c99\u7bb1\u73af\u5883\u53ea\u63d0\u4f9b\u7eaf JavaScript \u7684\u89e3\u91ca\u6267\u884c\u73af\u5883\uff0c\u6ca1\u6709\u4efb\u4f55\u6d4f\u89c8\u5668\u76f8\u5173\u63a5\u53e3\u3002<\/p>\n

\u8fd9\u5c31\u662f\u5c0f\u7a0b\u5e8f\u53cc\u7ebf\u7a0b\u6a21\u578b\u7684\u7531\u6765\uff1a<\/p>\n

\u903b\u8f91\u5c42\uff1a\u521b\u5efa\u4e00\u4e2a\u5355\u72ec\u7684\u7ebf\u7a0b\u53bb\u6267\u884c JavaScript\uff0c\u5728\u8fd9\u91cc\u6267\u884c\u7684\u90fd\u662f\u6709\u5173\u5c0f\u7a0b\u5e8f\u4e1a\u52a1\u903b\u8f91\u7684\u4ee3\u7801\uff0c\u8d1f\u8d23\u903b\u8f91\u5904\u7406\u3001\u6570\u636e\u8bf7\u6c42\u3001\u63a5\u53e3\u8c03\u7528\u7b49<\/p>\n

\u89c6\u56fe\u5c42\uff1a\u754c\u9762\u6e32\u67d3\u76f8\u5173\u7684\u4efb\u52a1\u5168\u90fd\u5728 WebView \u7ebf\u7a0b\u91cc\u6267\u884c\uff0c\u901a\u8fc7\u903b\u8f91\u5c42\u4ee3\u7801\u53bb\u63a7\u5236\u6e32\u67d3\u54ea\u4e9b\u754c\u9762\u3002\u4e00\u4e2a\u5c0f\u7a0b\u5e8f\u5b58\u5728\u591a\u4e2a\u754c\u9762\uff0c\u6240\u4ee5\u89c6\u56fe\u5c42\u5b58\u5728\u591a\u4e2a WebView \u7ebf\u7a0b<\/p>\n

JSBridge \u8d77\u5230\u67b6\u8d77\u4e0a\u5c42\u5f00\u53d1\u4e0eNative\uff08\u7cfb\u7edf\u5c42\uff09\u7684\u6865\u6881\uff0c\u4f7f\u5f97\u5c0f\u7a0b\u5e8f\u53ef\u901a\u8fc7API\u4f7f\u7528\u539f\u751f\u7684\u529f\u80fd\uff0c\u4e14\u90e8\u5206\u7ec4\u4ef6\u4e3a\u539f\u751f\u7ec4\u4ef6\u5b9e\u73b0\uff0c\u4ece\u800c\u6709\u826f\u597d\u4f53\u9a8c<\/p>\n

\u4e09\u3001\u53cc\u7ebf\u7a0b\u901a\u4fe1<\/strong><\/p>\n

\u628a\u5f00\u53d1\u8005\u7684 JS \u903b\u8f91\u4ee3\u7801\u653e\u5230\u5355\u72ec\u7684\u7ebf\u7a0b\u53bb\u8fd0\u884c\uff0c\u4f46\u5728 Webview \u7ebf\u7a0b\u91cc\uff0c\u5f00\u53d1\u8005\u5c31\u6ca1\u6cd5\u76f4\u63a5\u64cd\u4f5c DOM\u3002<\/p>\n

\u90a3\u8981\u600e\u4e48\u53bb\u5b9e\u73b0\u52a8\u6001\u66f4\u6539\u754c\u9762\u5462\uff1f<\/p>\n

\u5982\u4e0a\u56fe\u6240\u793a\uff0c\u903b\u8f91\u5c42\u548c\u8bd5\u56fe\u5c42\u7684\u901a\u4fe1\u4f1a\u7531 Native \uff08\u5fae\u4fe1\u5ba2\u6237\u7aef\uff09\u505a\u4e2d\u8f6c\uff0c\u903b\u8f91\u5c42\u53d1\u9001\u7f51\u7edc\u8bf7\u6c42\u4e5f\u7ecf\u7531 Native \u8f6c\u53d1\u3002<\/p>\n

\u8fd9\u4e5f\u5c31\u662f\u8bf4\uff0c\u6211\u4eec\u53ef\u4ee5\u628a DOM \u7684\u66f4\u65b0\u901a\u8fc7\u7b80\u5355\u7684\u6570\u636e\u901a\u4fe1\u6765\u5b9e\u73b0\u3002<\/p>\n

Virtual DOM \u76f8\u4fe1\u5927\u5bb6\u90fd\u5df2\u6709\u4e86\u89e3\uff0c\u5927\u6982\u662f\u8fd9\u4e48\u4e2a\u8fc7\u7a0b\uff1a\u7528 JS \u5bf9\u8c61\u6a21\u62df DOM \u6811 -> \u6bd4\u8f83\u4e24\u68f5\u865a\u62df DOM \u6811\u7684\u5dee\u5f02 -> \u628a\u5dee\u5f02\u5e94\u7528\u5230\u771f\u6b63\u7684 DOM \u6811\u4e0a\u3002<\/p>\n

\u5982\u56fe\u6240\u793a\uff1a<\/p>\n

\u5728\u6e32\u67d3\u5c42\u628a WXML \u8f6c\u5316\u6210\u5bf9\u5e94\u7684 JS \u5bf9\u8c61\u3002<\/p>\n

\u5728\u903b\u8f91\u5c42\u53d1\u751f\u6570\u636e\u53d8\u66f4\u7684\u65f6\u5019\uff0c\u901a\u8fc7\u5bbf\u4e3b\u73af\u5883\u63d0\u4f9b\u7684 setData \u65b9\u6cd5\u628a\u6570\u636e\u4ece\u903b\u8f91\u5c42\u4f20\u9012\u5230 Native\uff0c\u518d\u8f6c\u53d1\u5230\u6e32\u67d3\u5c42\u3002<\/p>\n

\u7ecf\u8fc7\u5bf9\u6bd4\u524d\u540e\u5dee\u5f02\uff0c\u628a\u5dee\u5f02\u5e94\u7528\u5728\u539f\u6765\u7684 DOM \u6811\u4e0a\uff0c\u66f4\u65b0\u754c\u9762\u3002<\/p>\n

\u6211\u4eec\u901a\u8fc7\u628a WXML \u8f6c\u5316\u4e3a\u6570\u636e\uff0c\u901a\u8fc7 Native \u8fdb\u884c\u8f6c\u53d1\uff0c\u6765\u5b9e\u73b0\u903b\u8f91\u5c42\u548c\u6e32\u67d3\u5c42\u7684\u4ea4\u4e92\u548c\u901a\u4fe1\u3002<\/p>\n

\u800c\u8fd9\u6837\u4e00\u4e2a\u5b8c\u6574\u7684\u6846\u67b6\uff0c\u79bb\u4e0d\u5f00\u5c0f\u7a0b\u5e8f\u7684\u57fa\u7840\u5e93\u3002<\/p>\n

\u56db\u3001\u5c0f\u7a0b\u5e8f\u7684\u57fa\u7840\u5e93<\/strong><\/p>\n

\u5c0f\u7a0b\u5e8f\u7684\u57fa\u7840\u5e93\u53ef\u4ee5\u88ab\u6ce8\u5165\u5230\u89c6\u56fe\u5c42\u548c\u903b\u8f91\u5c42\u8fd0\u884c\uff0c\u4e3b\u8981\u7528\u4e8e\u4ee5\u4e0b\u51e0\u4e2a\u65b9\u9762\uff1a<\/p>\n

\u5728\u89c6\u56fe\u5c42\uff0c\u63d0\u4f9b\u5404\u7c7b\u7ec4\u4ef6\u6765\u7ec4\u5efa\u754c\u9762\u7684\u5143\u7d20<\/p>\n

\u5728\u903b\u8f91\u5c42\uff0c\u63d0\u4f9b\u5404\u7c7b API \u6765\u5904\u7406\u5404\u79cd\u903b\u8f91<\/p>\n

\u5904\u7406\u6570\u636e\u7ed1\u5b9a\u3001\u7ec4\u4ef6\u7cfb\u7edf\u3001\u4e8b\u4ef6\u7cfb\u7edf\u3001\u901a\u4fe1\u7cfb\u7edf\u7b49\u4e00\u7cfb\u5217\u6846\u67b6\u903b\u8f91<\/p>\n

\u7531\u4e8e\u5c0f\u7a0b\u5e8f\u7684\u6e32\u67d3\u5c42\u548c\u903b\u8f91\u5c42\u662f\u4e24\u4e2a\u7ebf\u7a0b\u7ba1\u7406\uff0c\u4e24\u4e2a\u7ebf\u7a0b\u5404\u81ea\u6ce8\u5165\u4e86\u57fa\u7840\u5e93\u3002<\/p>\n

\u5c0f\u7a0b\u5e8f\u7684\u57fa\u7840\u5e93\u4e0d\u4f1a\u88ab\u6253\u5305\u5728\u67d0\u4e2a\u5c0f\u7a0b\u5e8f\u7684\u4ee3\u7801\u5305\u91cc\u8fb9\uff0c\u5b83\u4f1a\u88ab\u63d0\u524d\u5185\u7f6e\u5728\u5fae\u4fe1\u5ba2\u6237\u7aef\u3002<\/p>\n

\u8fd9\u6837\u53ef\u4ee5\uff1a<\/p>\n

\u964d\u4f4e\u4e1a\u52a1\u5c0f\u7a0b\u5e8f\u7684\u4ee3\u7801\u5305\u5927\u5c0f<\/p>\n

\u53ef\u4ee5\u5355\u72ec\u4fee\u590d\u57fa\u7840\u5e93\u4e2d\u7684 Bug\uff0c\u65e0\u9700\u4fee\u6539\u5230\u4e1a\u52a1\u5c0f\u7a0b\u5e8f\u7684\u4ee3\u7801\u5305<\/p>\n

\u4e94\u3001Exparser \u6846\u67b6<\/strong><\/p>\n

Exparser\u662f\u5fae\u4fe1\u5c0f\u7a0b\u5e8f\u7684\u7ec4\u4ef6\u7ec4\u7ec7\u6846\u67b6\uff0c\u5185\u7f6e\u5728\u5c0f\u7a0b\u5e8f\u57fa\u7840\u5e93\u4e2d\uff0c\u4e3a\u5c0f\u7a0b\u5e8f\u7684\u5404\u79cd\u7ec4\u4ef6\u63d0\u4f9b\u57fa\u7840\u7684\u652f\u6301\u3002\u5c0f\u7a0b\u5e8f\u5185\u7684\u6240\u6709\u7ec4\u4ef6\uff0c\u5305\u62ec\u5185\u7f6e\u7ec4\u4ef6\u548c\u81ea\u5b9a\u4e49\u7ec4\u4ef6\uff0c\u90fd\u7531Exparser\u7ec4\u7ec7\u7ba1\u7406\u3002<\/p>\n

Exparser\u7684\u4e3b\u8981\u7279\u70b9\u5305\u62ec\u4ee5\u4e0b\u51e0\u70b9\uff1a<\/strong><\/p>\n

\u57fa\u4e8eShadow DOM\u6a21\u578b\uff1a\u6a21\u578b\u4e0a\u4e0eWebComponents\u7684ShadowDOM\u9ad8\u5ea6\u76f8\u4f3c\uff0c\u4f46\u4e0d\u4f9d\u8d56\u6d4f\u89c8\u5668\u7684\u539f\u751f\u652f\u6301\uff0c\u4e5f\u6ca1\u6709\u5176\u4ed6\u4f9d\u8d56\u5e93\uff1b\u5b9e\u73b0\u65f6\uff0c\u8fd8\u9488\u5bf9\u6027\u5730\u589e\u52a0\u4e86\u5176\u4ed6API\u4ee5\u652f\u6301\u5c0f\u7a0b\u5e8f\u7ec4\u4ef6\u7f16\u7a0b\u3002<\/p>\n

\u53ef\u5728\u7eafJS\u73af\u5883\u4e2d\u8fd0\u884c\uff1a\u8fd9\u610f\u5473\u7740\u903b\u8f91\u5c42\u4e5f\u5177\u6709\u4e00\u5b9a\u7684\u7ec4\u4ef6\u6811\u7ec4\u7ec7\u80fd\u529b\u3002<\/p>\n

\u9ad8\u6548\u8f7b\u91cf\uff1a\u6027\u80fd\u8868\u73b0\u597d\uff0c\u5728\u7ec4\u4ef6\u5b9e\u4f8b\u6781\u591a\u7684\u73af\u5883\u4e0b\u8868\u73b0\u5c24\u5176\u4f18\u5f02\uff0c\u540c\u65f6\u4ee3\u7801\u5c3a\u5bf8\u4e5f\u8f83\u5c0f\u3002<\/p>\n

\u5c0f\u7a0b\u5e8f\u4e2d\uff0c\u6240\u6709\u8282\u70b9\u6811\u76f8\u5173\u7684\u64cd\u4f5c\u90fd\u4f9d\u8d56\u4e8eExparser\uff0c\u5305\u62ecWXML\u5230\u9875\u9762\u6700\u7ec8\u8282\u70b9\u6811\u7684\u6784\u5efa\u3001createSelectorQuery\u8c03\u7528\u548c\u81ea\u5b9a\u4e49\u7ec4\u4ef6\u7279\u6027\u7b49\u3002<\/p>\n

\u5185\u7f6e\u7ec4\u4ef6<\/strong><\/p>\n

\u57fa\u4e8eExparser\u6846\u67b6\uff0c\u5c0f\u7a0b\u5e8f\u5185\u7f6e\u4e86\u4e00\u5957\u7ec4\u4ef6\uff0c\u63d0\u4f9b\u4e86\u89c6\u56fe\u5bb9\u5668\u7c7b\u3001\u8868\u5355\u7c7b\u3001\u5bfc\u822a\u7c7b\u3001\u5a92\u4f53\u7c7b\u3001\u5f00\u653e\u7c7b\u7b49\u51e0\u5341\u79cd\u7ec4\u4ef6\u3002\u6709\u4e86\u8fd9\u4e48\u4e30\u5bcc\u7684\u7ec4\u4ef6\uff0c\u518d\u914d\u5408WXSS\uff0c\u53ef\u4ee5\u642d\u5efa\u51fa\u4efb\u4f55\u6548\u679c\u7684\u754c\u9762\u3002\u5728\u529f\u80fd\u5c42\u9762\u4e0a\uff0c\u4e5f\u6ee1\u8db3\u7edd\u5927\u90e8\u5206\u9700\u6c42\u3002<\/p>\n

\u516d\u3001\u8fd0\u884c\u673a\u5236<\/strong><\/p>\n

\u5c0f\u7a0b\u5e8f\u542f\u52a8\u4f1a\u6709\u4e24\u79cd\u60c5\u51b5\uff0c\u4e00\u79cd\u662f\u300c\u51b7\u542f\u52a8\u300d\uff0c\u4e00\u79cd\u662f\u300c\u70ed\u542f\u52a8\u300d\u3002\u5047\u5982\u7528\u6237\u5df2\u7ecf\u6253\u5f00\u8fc7\u67d0\u5c0f\u7a0b\u5e8f\uff0c\u7136\u540e\u5728\u4e00\u5b9a\u65f6\u95f4\u5185\u518d\u6b21\u6253\u5f00\u8be5\u5c0f\u7a0b\u5e8f\uff0c\u6b64\u65f6\u65e0\u9700\u91cd\u65b0\u542f\u52a8\uff0c\u53ea\u9700\u5c06\u540e\u53f0\u72b6\u6001\u7684\u5c0f\u7a0b\u5e8f\u5207\u6362\u5230\u524d\u53f0\uff0c\u8fd9\u4e2a\u8fc7\u7a0b\u5c31\u662f\u70ed\u542f\u52a8\uff1b\u51b7\u542f\u52a8\u6307\u7684\u662f\u7528\u6237\u9996\u6b21\u6253\u5f00\u6216\u5c0f\u7a0b\u5e8f\u88ab\u5fae\u4fe1\u4e3b\u52a8\u9500\u6bc1\u540e\u518d\u6b21\u6253\u5f00\u7684\u60c5\u51b5\uff0c\u6b64\u65f6\u5c0f\u7a0b\u5e8f\u9700\u8981\u91cd\u65b0\u52a0\u8f7d\u542f\u52a8\u3002<\/p>\n

\u5c0f\u7a0b\u5e8f\u6ca1\u6709\u91cd\u542f\u7684\u6982\u5ff5<\/strong><\/p>\n

\u5f53\u5c0f\u7a0b\u5e8f\u8fdb\u5165\u540e\u53f0\uff0c\u5ba2\u6237\u7aef\u4f1a\u7ef4\u6301\u4e00\u6bb5\u65f6\u95f4\u7684\u8fd0\u884c\u72b6\u6001\uff0c\u8d85\u8fc7\u4e00\u5b9a\u65f6\u95f4\u540e\uff08\u76ee\u524d\u662f5\u5206\u949f\uff09\u4f1a\u88ab\u5fae\u4fe1\u4e3b\u52a8\u9500\u6bc1<\/p>\n

\u5f53\u77ed\u65f6\u95f4\u5185\uff085s\uff09\u8fde\u7eed\u6536\u5230\u4e24\u6b21\u4ee5\u4e0a\u6536\u5230\u7cfb\u7edf\u5185\u5b58\u544a\u8b66\uff0c\u4f1a\u8fdb\u884c\u5c0f\u7a0b\u5e8f\u7684\u9500\u6bc1<\/p>\n

\u4e03\u3001\u66f4\u65b0\u673a\u5236<\/strong><\/p>\n

\u5c0f\u7a0b\u5e8f\u51b7\u542f\u52a8\u65f6\u5982\u679c\u53d1\u73b0\u6709\u65b0\u7248\u672c\uff0c\u5c06\u4f1a\u5f02\u6b65\u4e0b\u8f7d\u65b0\u7248\u672c\u7684\u4ee3\u7801\u5305\uff0c\u5e76\u540c\u65f6\u7528\u5ba2\u6237\u7aef\u672c\u5730\u7684\u5305\u8fdb\u884c\u542f\u52a8\uff0c\u5373\u65b0\u7248\u672c\u7684\u5c0f\u7a0b\u5e8f\u9700\u8981\u7b49\u4e0b\u4e00\u6b21\u51b7\u542f\u52a8\u624d\u4f1a\u5e94\u7528\u4e0a\u3002 \u5982\u679c\u9700\u8981\u9a6c\u4e0a\u5e94\u7528\u6700\u65b0\u7248\u672c\uff0c\u53ef\u4ee5\u4f7f\u7528 wx.getUpdateManager API \u8fdb\u884c\u5904\u7406\u3002<\/p>\n

\u516b\u3001\u6027\u80fd\u4f18\u5316<\/strong><\/p>\n

\u4e3b\u8981\u7684\u4f18\u5316\u7b56\u7565\u53ef\u4ee5\u5f52\u7eb3\u4e3a\u4e09\u70b9\uff1a<\/p>\n

\u7cbe\u7b80\u4ee3\u7801\uff0c\u964d\u4f4eWXML\u7ed3\u6784\u548cJS\u4ee3\u7801\u7684\u590d\u6742\u6027\uff1b<\/p>\n

\u5408\u7406\u4f7f\u7528setData\u8c03\u7528\uff0c\u51cf\u5c11setData\u6b21\u6570\u548c\u6570\u636e\u91cf\uff1b<\/p>\n

\u5fc5\u8981\u65f6\u4f7f\u7528\u5206\u5305\u4f18\u5316\u3002<\/p>\n

1\u3001setData \u5de5\u4f5c\u539f\u7406<\/strong><\/p>\n

\u5c0f\u7a0b\u5e8f\u7684\u89c6\u56fe\u5c42\u76ee\u524d\u4f7f\u7528 WebView \u4f5c\u4e3a\u6e32\u67d3\u8f7d\u4f53\uff0c\u800c\u903b\u8f91\u5c42\u662f\u7531\u72ec\u7acb\u7684 JavascriptCore \u4f5c\u4e3a\u8fd0\u884c\u73af\u5883\u3002\u5728\u67b6\u6784\u4e0a\uff0cWebView \u548c JavascriptCore \u90fd\u662f\u72ec\u7acb\u7684\u6a21\u5757\uff0c\u5e76\u4e0d\u5177\u5907\u6570\u636e\u76f4\u63a5\u5171\u4eab\u7684\u901a\u9053\u3002\u5f53\u524d\uff0c\u89c6\u56fe\u5c42\u548c\u903b\u8f91\u5c42\u7684\u6570\u636e\u4f20\u8f93\uff0c\u5b9e\u9645\u4e0a\u901a\u8fc7\u4e24\u8fb9\u63d0\u4f9b\u7684 evaluateJavascript \u6240\u5b9e\u73b0\u3002\u5373\u7528\u6237\u4f20\u8f93\u7684\u6570\u636e\uff0c\u9700\u8981\u5c06\u5176\u8f6c\u6362\u4e3a\u5b57\u7b26\u4e32\u5f62\u5f0f\u4f20\u9012\uff0c\u540c\u65f6\u628a\u8f6c\u6362\u540e\u7684\u6570\u636e\u5185\u5bb9\u62fc\u63a5\u6210\u4e00\u4efd JS \u811a\u672c\uff0c\u518d\u901a\u8fc7\u6267\u884c JS \u811a\u672c\u7684\u5f62\u5f0f\u4f20\u9012\u5230\u4e24\u8fb9\u72ec\u7acb\u73af\u5883\u3002<\/p>\n

\u800c evaluateJavascript \u7684\u6267\u884c\u4f1a\u53d7\u5f88\u591a\u65b9\u9762\u7684\u5f71\u54cd\uff0c\u6570\u636e\u5230\u8fbe\u89c6\u56fe\u5c42\u5e76\u4e0d\u662f\u5b9e\u65f6\u7684\u3002<\/p>\n

2\u3001\u5e38\u89c1\u7684 setData \u64cd\u4f5c\u9519\u8bef<\/strong><\/p>\n

\u9891\u7e41\u7684\u53bb setData\u5728\u6211\u4eec\u5206\u6790\u8fc7\u7684\u4e00\u4e9b\u6848\u4f8b\u91cc\uff0c\u90e8\u5206\u5c0f\u7a0b\u5e8f\u4f1a\u975e\u5e38\u9891\u7e41\uff08\u6beb\u79d2\u7ea7\uff09\u7684\u53bbsetData\uff0c\u5176\u5bfc\u81f4\u4e86\u4e24\u4e2a\u540e\u679c\uff1aAndroid\u4e0b\u7528\u6237\u5728\u6ed1\u52a8\u65f6\u4f1a\u611f\u89c9\u5230\u5361\u987f\uff0c\u64cd\u4f5c\u53cd\u9988\u5ef6\u8fdf\u4e25\u91cd\uff0c\u56e0\u4e3a JS \u7ebf\u7a0b\u4e00\u76f4\u5728\u7f16\u8bd1\u6267\u884c\u6e32\u67d3\uff0c\u672a\u80fd\u53ca\u65f6\u5c06\u7528\u6237\u64cd\u4f5c\u4e8b\u4ef6\u4f20\u9012\u5230\u903b\u8f91\u5c42\uff0c\u903b\u8f91\u5c42\u4ea6\u65e0\u6cd5\u53ca\u65f6\u5c06\u64cd\u4f5c\u5904\u7406\u7ed3\u679c\u53ca\u65f6\u4f20\u9012\u5230\u89c6\u56fe\u5c42\uff1b\u6e32\u67d3\u6709\u51fa\u73b0\u5ef6\u65f6\uff0c\u7531\u4e8e WebView \u7684 JS \u7ebf\u7a0b\u4e00\u76f4\u5904\u4e8e\u5fd9\u788c\u72b6\u6001\uff0c\u903b\u8f91\u5c42\u5230\u9875\u9762\u5c42\u7684\u901a\u4fe1\u8017\u65f6\u4e0a\u5347\uff0c\u89c6\u56fe\u5c42\u6536\u5230\u7684\u6570\u636e\u6d88\u606f\u65f6\u8ddd\u79bb\u53d1\u51fa\u65f6\u95f4\u5df2\u7ecf\u8fc7\u53bb\u4e86\u51e0\u767e\u6beb\u79d2\uff0c\u6e32\u67d3\u7684\u7ed3\u679c\u5e76\u4e0d\u5b9e\u65f6\uff1b<\/p>\n

\u6bcf\u6b21 setData \u90fd\u4f20\u9012\u5927\u91cf\u65b0\u6570\u636e\u7531setData\u7684\u5e95\u5c42\u5b9e\u73b0\u53ef\u77e5\uff0c\u6211\u4eec\u7684\u6570\u636e\u4f20\u8f93\u5b9e\u9645\u662f\u4e00\u6b21 evaluateJavascript<\/p>\n

\u811a\u672c\u8fc7\u7a0b\uff0c\u5f53\u6570\u636e\u91cf\u8fc7\u5927\u65f6\u4f1a\u589e\u52a0\u811a\u672c\u7684\u7f16\u8bd1\u6267\u884c\u65f6\u95f4\uff0c\u5360\u7528 WebView JS \u7ebf\u7a0b\uff0c \u540e\u53f0\u6001\u9875\u9762\u8fdb\u884c setData\u5f53\u9875\u9762\u8fdb\u5165\u540e\u53f0\u6001\uff08\u7528\u6237\u4e0d\u53ef\u89c1\uff09\uff0c\u4e0d\u5e94\u8be5\u7ee7\u7eed\u53bb\u8fdb\u884csetData\uff0c\u540e\u53f0\u6001\u9875\u9762\u7684\u6e32\u67d3\u7528\u6237\u662f\u65e0\u6cd5\u611f\u53d7\u7684\uff0c\u53e6\u5916\u540e\u53f0\u6001\u9875\u9762\u53bbsetData\u4e5f\u4f1a\u62a2\u5360\u524d\u53f0\u9875\u9762\u7684\u6267\u884c\u3002<\/p>\n

\u603b\u7ed3<\/strong><\/p>\n

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\u4ee5\u4e0a\u5c31\u662f\u6d45\u6790\u5c0f\u7a0b\u5e8f\u8fd0\u884c\u673a\u5236\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":"

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