{"id":33696,"date":"2024-11-25T14:24:14","date_gmt":"2024-11-25T06:24:14","guid":{"rendered":"https:\/\/fwq.ai\/blog\/33696\/"},"modified":"2024-11-25T14:24:14","modified_gmt":"2024-11-25T06:24:14","slug":"%e5%ae%9e%e8%b7%b5%e6%80%bb%e7%bb%93%e5%b0%8f%e7%a8%8b%e5%ba%8f%e6%80%a7%e8%83%bd%e4%bc%98%e5%8c%96","status":"publish","type":"post","link":"https:\/\/fwq.ai\/blog\/33696\/","title":{"rendered":"\u5b9e\u8df5\u603b\u7ed3\u5c0f\u7a0b\u5e8f\u6027\u80fd\u4f18\u5316"},"content":{"rendered":"<h2> \u680f\u76ee\u603b\u7ed3\u5c0f\u7a0b\u5e8f\u7684\u6027\u80fd\u4f18\u5316\u3002<\/h2>\n<p><img decoding=\"async\" src=\"https:\/\/img.php.cn\/upload\/article\/000\/000\/052\/5f9fd5cfc37cb805.jpg\" class=\"aligncenter\" title=\"\u5b9e\u8df5\u603b\u7ed3\u5c0f\u7a0b\u5e8f\u6027\u80fd\u4f18\u5316\u63d2\u56fe\" alt=\"\u5b9e\u8df5\u603b\u7ed3\u5c0f\u7a0b\u5e8f\u6027\u80fd\u4f18\u5316\u63d2\u56fe\" \/><\/p>\n<h2>\u9879\u76ee\u7b80\u8ff0 &amp; 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decoding=\"async\" class=\"aligncenter\" src=\"https:\/\/img.php.cn\/upload\/article\/000\/000\/052\/c8f120368dba1370d200a16103103f49-1.png\" style=\"max-width:90%\" title=\"\u5b9e\u8df5\u603b\u7ed3\u5c0f\u7a0b\u5e8f\u6027\u80fd\u4f18\u5316\u63d2\u56fe2\" alt=\"\u5b9e\u8df5\u603b\u7ed3\u5c0f\u7a0b\u5e8f\u6027\u80fd\u4f18\u5316\u63d2\u56fe2\" \/><\/p>\n<p>\u5c0f\u58f0bb\uff1a\u8fde\u5c0f\u7a0b\u5e8f\u90fd\u770b\u4e0d\u4e0b\u53bb\u4e86\uff0c\u8981\u8b66\u544a\u4e86<\/p>\n<p>\u5fae\u4fe1\u5f00\u53d1\u8005\u5de5\u5177\u90fd\u6709\u8b66\u544a\u4e86\uff0c\u800c\u4e14\u63d0\u793a\u91cc\u9762\u4e5f\u6709\u5b9a\u4f4d\u5230\u5177\u4f53\u4ee3\u7801\u7684\u4f4d\u7f6e\uff0c\u6240\u4ee5\u5173\u952e\u5c31\u662f\u8fd9\u4e2a setData \uff01\uff01\uff01<\/p>\n<p>\u6211\u4eec\u53ef\u4ee5\u5148\u770b\u770b\u5b98\u65b9\u5bf9\u4e8e\u5c0f\u7a0b\u5e8f\u6027\u80fd\u4ee5\u53ca setData \u4f18\u5316\u7684\u4e00\u4e9b\u5efa\u8bae\u3002\uff08developers.weixin.qq.com\/miniprogram\u2026\uff09<\/p>\n<p>\u5177\u4f53\u5b9e\u8df5\uff1a<\/p>\n<h4>1. setData \u4e0d\u80fd\u4e00\u6b21\u6027\u4f20\u592a\u591a\u6570\u636e\uff0c\u5982\u679c\u5217\u8868\u592a\u957f\uff0c\u53ef\u4ee5\u5206\u5f00\u6e32\u67d3\u3010\u6bd4\u5982\u8f6c\u5316\u4e3a\u4e8c\u7ef4\u6570\u7ec4\uff0c\u6bcf\u6b21\u5faa\u73af\u6e32\u67d3\u4e00\u4e2a\u6570\u7ec4\u3011\u3002<\/h4>\n<p>v1\uff1a\u7b80\u5355\u7c97\u66b4\u7248<\/p>\n<pre>\/\/ \u6bcf\u6b21\u6e32\u67d3\u4e00\u4e2a\u5206\u7c7b\/\/ \u5047\u8bbegoodsList\u662f\u4e00\u4e2a\u4e8c\u7ef4\u6570\u7ec4goodsList.forEach((item, index) =&gt; {    this.setData({\n        [`goodsList[${index}]`]: item\n    })\n})\u590d\u5236\u4ee3\u7801<\/pre>\n<p> \u767b\u5f55\u540e\u590d\u5236 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setData \u53ef\u4ee5\u652f\u6301\u9897\u7c92\u66f4\u65b0\uff0c\u6307\u5b9a\u5230\u5177\u4f53\u7684\u5c5e\u6027\u3002<\/h4>\n<p>\u6bd4\u5982\u52a0\u8d2d\u7b49\u64cd\u4f5c\uff0c\u9700\u8981\u66f4\u65b0\u5546\u54c1\u53f3\u4e0a\u89d2\u7684\u5c0f\u6570\u5b57\uff0c\u53ef\u4ee5\u8fd9\u6837\u5199\uff1a<\/p>\n<pre>this.setData({\n    [`goodsList[${categoryIndex}][${goodsIndex}].num`]: goodsItem.num\n})\u590d\u5236\u4ee3\u7801<\/pre>\n<p> \u767b\u5f55\u540e\u590d\u5236 <\/p>\n<h4>3. \u8ddf\u9875\u9762\u65e0\u5173\u7684\u6570\u636e\u4e0d\u8981\u4fdd\u5b58\u5728 data\uff0c\u4e0d\u8981\u7528 setData \u66f4\u65b0\uff0c\u56e0\u4e3a setData \u4f1a\u89e6\u53d1\u9875\u9762\u6e32\u67d3\u3002<\/h4>\n<p>eg\uff1a<\/p>\n<pre>Page({    data: {\n        ...\n    },    \/\/ \u8ddf\u9875\u9762\u6e32\u67d3\u65e0\u5173\u7684\u6570\u636e\n    state: {        hasLogin: false,\n    },\n    ...\n})\/\/ \u66f4\u65b0\u7684\u65f6\u5019\u76f4\u63a5\u8d4b\u503c\u5c31\u884cthis.state.hasLogin = true\u590d\u5236\u4ee3\u7801<\/pre>\n<p> \u767b\u5f55\u540e\u590d\u5236 <\/p>\n<p>PS\uff1a\u6216\u8005\u751a\u81f3\u4e0d\u9700\u8981\u6302\u8f7d\u5230 page \u5bf9\u8c61\u4e0b\uff0c\u76f4\u63a5\u7528\u666e\u901a\u53d8\u91cf\u4fdd\u5b58\u3002<\/p>\n<h4>4. 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\u5408\u5e76\u77ed\u65f6\u95f4\u5185\u7684\u591a\u4e2aloading\u63d0\u793a<\/h4>\n<p>\u8fd8\u662f\u8be5\u70b9\u9910\u9875\u9762\u6d41\u7a0b\uff0c\u50cf\u4e0a\u6587\u8bf4\u8fc7\u7684\uff0c\u8fdb\u5165\u9875\u9762\u65f6\u9700\u8981\u83b7\u53d6\u5b9a\u4f4d\u63a5\u53e3\uff0c\u7b49\u5b9a\u4f4d\u63a5\u53e3\u8fd4\u56de\u7ed3\u679c\u4e86\u518d\u62ff\u5b9a\u4f4d\u53d6\u503c\u53bb\u83b7\u53d6\u8ddd\u79bb\u6700\u8fd1\u7684\u5e97\u94fa\uff0c\u6700\u540e\u624d\u662f\u8bf7\u6c42\u5e97\u94fa\u548c\u5546\u54c1\u6570\u636e\u3002<\/p>\n<p>\u8fd9\u4e09\u4e2a\u63a5\u53e3\u662f\u4e32\u884c\u7684\u3002\u6b64\u65f6\u5982\u679c\u6211\u4eec\u6bcf\u4e2a\u63a5\u53e3\u90fd\u5f39\u51fa\u4e00\u4e2aloading\u63d0\u793a\uff0c\u5c31\u4f1a\u51fa\u73b0loading\u663e\u793a\u4e00\u4f1a\u513f\uff0c\u6d88\u5931\uff0c\u53c8\u663e\u793a\u4e00\u4f1a\u513f\uff0c\u53c8\u6d88\u5931\u2026\u2026\u8fd9\u6837\u7684\u73b0\u8c61\uff0c\u8fd9\u6837\u7684\u4f53\u9a8c\u662f\u4e0d\u592a\u597d\u7684\u3002<\/p>\n<p>\u5efa\u8bae\u53ef\u4ee5\u901a\u8fc7\u5c01\u88c5\u8bf7\u6c42\uff0c\u5e76\u4e14\u5728\u8bf7\u6c42\u91cc\u7edf\u4e00\u5904\u7406loading\uff0c\u6765\u5408\u5e76\u77ed\u65f6\u95f4\u5185\u591a\u6b21\u53d1\u8d77\u8bf7\u6c42\u7684\u591a\u4e2aloading\u3002<\/p>\n<p>eg\uff1a<\/p>\n<pre>let showLoadingTimer = null;let showRequestLoading = false; \/\/ \u6807\u8bb0\u662f\u5426\u6b63\u5728\u663e\u793aloading\/**\n * \u5c01\u88c5request\n * @param {*} {showLoading\uff1a\u662f\u5426\u9700\u8981\u663e\u793aloading, options\uff1arequest\u53c2\u6570\uff0c\u5982url\uff0cdata\u7b49} \n *\/function request({showLoading = true, ...options}) {    \/\/ \u663e\u793arequest loading\n    handleShowLoading(showLoading)\n\n    wx.request({\n        ...        complete() {            \/\/ \u5173\u95edrequest loading\n            handleShowLoading(false)\n        }\n    })\n}\/**\n * \u5c01\u88c5request loading\n * \u77ed\u65f6\u95f4\u5185\u5982\u679c\u8c03\u7528\u591a\u6b21showLoading\uff0c\u4f1a\u5408\u5e76\u5728\u4e00\u8d77\u663e\u793a\uff0c\u800c\u4e0d\u662f\u6bcf\u4e2a\u90fd\u95ea\u73b0\u4e00\u4e0b\n * @param showLoading\n *\/function handleShowLoading(showLoading) {    if (showLoading) {        \/\/ \u663e\u793aloading\n        clearTimeout(showLoadingTimer);        if (!showRequestLoading) {\n            showRequestLoading = true;\n            wx.showNavigationBarLoading();\n            wx.showLoading({ title: \"\u52a0\u8f7d\u4e2d\", mask: true })\n        }\n    } else {        \/\/ 200ms\u540e\u5173\u95edloading\n        showLoadingTimer = setTimeout(() =&gt; {\n            showRequestLoading = false;\n            wx.hideNavigationBarLoading();\n            wx.hideLoading()\n        }, 200)\n    }\n}\u590d\u5236\u4ee3\u7801<\/pre>\n<p> \u767b\u5f55\u540e\u590d\u5236 <\/p>\n<h4>2. \u6574\u4e2a\u9875\u9762\u521d\u6b21\u52a0\u8f7d\u65f6\u53ef\u4ee5\u4f7f\u7528\u9875\u9762loading\u52a8\u753b\u6216\u9aa8\u67b6\u5c4f\uff0c\u4f18\u5316\u52a0\u8f7d\u4e2d\u4f53\u9a8c\u3002<\/h4>\n<h4>3. \u9759\u9ed8\u83b7\u53d6\u3001\u66f4\u65b0\u6570\u636e<\/h4>\n<p>\u6bd4\u5982\u8fd9\u4e2a\u70b9\u9910\u9875\u6bcf\u6b21 onShow 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\u56e0\u4e3a\u6709\u65f6\u5019\u5408\u5e76\u63a5\u53e3\uff0c\u524d\u7aef\u53ef\u4ee5\u51cf\u5c11\u4e00\u6b21\u8bf7\u6c42\uff0c\u4f53\u9a8c\u66f4\u597d\uff1b\u4f46\u6709\u65f6\u5019\u5982\u679c\u63a5\u53e3\u7684\u6570\u636e\u592a\u591a\uff0c\u54cd\u5e94\u592a\u6162\uff0c\u5c31\u53ef\u4ee5\u8003\u8651\u662f\u5426\u67d0\u90e8\u5206\u6570\u636e\u53ef\u4ee5\u540e\u7f6e\u83b7\u53d6\uff0c\u8ba9\u4e3b\u8981\u7684\u9875\u9762\u5185\u5bb9\u5148\u6e32\u67d3\u51fa\u6765\uff0c\u6839\u636e\u8fd9\u4e2a\u8bbe\u8ba1\u6765\u62c6\u5206\u63a5\u53e3\u3002<\/p>\n<p>\u6bd4\u5982\u9879\u76ee\u4e2d\u7684\u70b9\u9910\u9875\u9762\uff0c\u539f\u6765\u8d2d\u7269\u8f66\u6570\u636e\u548c\u5546\u54c1\u89c4\u683c\u5f39\u7a97\u663e\u793a\u7684\u8be6\u60c5\u6570\u636e\u90fd\u662f\u5728\u83b7\u53d6\u5e97\u94fa\u5546\u54c1\u63a5\u53e3\u4e00\u6b21\u6027\u8fd4\u56de\u7684\uff0c\u800c\u8fd9\u4e2a\u63a5\u53e3\u672c\u6765\u7531\u4e8e\u8bbe\u8ba1\u9700\u8981\u4e00\u6b21\u8fd4\u56de\u6240\u6709\u5546\u54c1\uff0c\u5c31\u4f1a\u9020\u6210\u6570\u636e\u91cf\u592a\u5927\uff0c\u800c\u4e14\u540e\u7aef\u9700\u8981\u67e5\u8be2\u7684\u8868\u4e5f\u66f4\u591a\u3002\u4e8e\u662f\u628a\u83b7\u53d6\u8d2d\u7269\u8f66\uff0c\u548c\u5546\u54c1\u8be6\u60c5\u63a5\u53e3\u90fd\u62c6\u5206\u4e3a\u5355\u72ec\u7684\u63a5\u53e3\uff0c\u83b7\u53d6\u5e97\u94fa\u5546\u54c1\u63a5\u53e3\u7684\u54cd\u5e94\u65f6\u95f4\u5c31\u51cf\u5c11\u4e86\uff0c\u9875\u9762\u4e5f\u80fd\u66f4\u5feb\u663e\u793a\u51fa\u6765\u3002<\/p>\n<h2>\u603b\u7ed3<\/h2>\n<p>\u5176\u5b9e\u4e0a\u9762\u63d0\u5230\u7684\u903b\u8f91\u4f18\u5316\u548c\u63a5\u53e3\u4f18\u5316\u5f88\u591a\u90fd\u662f\u7ec6\u8282\uff0c\u5e76\u4e0d\u662f\u592a\u9ad8\u6df1\u7684\u6280\u672f\uff0c\u6211\u4eec\u5e73\u65f6\u8fed\u4ee3\u7684\u65f6\u5019\u5c31\u53ef\u4ee5\u6ce8\u610f\u3002\u800c\u4f53\u9a8c\u65b9\u9762\u7684\u4f18\u5316\u5219\u9700\u8981\u524d\u7aef\u540c\u5b66\u5728\u524d\u7aef\u6280\u672f\u4ee5\u5916\u66f4\u591a\u5173\u6ce8\u7528\u6237\u4f53\u9a8c\u548c\u8bbe\u8ba1\u65b9\u9762\u7684\u77e5\u8bc6\u5566\uff0c\u800c\u4e14\u8fd9\u4e5f\u662f\u4e00\u4e2a\u6709\u8ffd\u6c42\u7684\u524d\u7aef\u5e94\u8be5\u5177\u5907\u7684\u6280\u80fd\u2026\u2026\u2190_\u2190<\/p>\n<p>\u6240\u4ee5\u561b\u2026\u2026\u6280\u672f\u8def\u6f2b\u6f2b\uff0c\u5927\u5bb6\u5171\u52c9\u5427<\/p>\n<blockquote><p>\n  \u76f8\u5173\u514d\u8d39\u5b66\u4e60\u63a8\u8350\uff1a\u5fae\u4fe1\u5c0f\u7a0b\u5e8f\u5f00\u53d1\u6559\u7a0b\n<\/p><\/blockquote>\n<p>\u4ee5\u4e0a\u5c31\u662f\u5b9e\u8df5\u603b\u7ed3\u5c0f\u7a0b\u5e8f\u6027\u80fd\u4f18\u5316\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>\u680f\u76ee\u603b\u7ed3\u5c0f\u7a0b\u5e8f\u7684\u6027\u80fd\u4f18\u5316\u3002 \u9879\u76ee\u7b80\u8ff0 &amp; \u95ee\u9898 \u5148\u7b80\u5355\u4ecb\u7ecd\u4e00\u4e0b\u9879\u76ee\uff0c\u5c31\u662f\u4e00\u4e2a\u6bd4\u8f83\u5e38\u89c4\u7684\u70b9\u9910\u5c0f\u7a0b\u5e8f\u3002 \u754c\u9762\u5982\u56fe\uff1a 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