{"id":34177,"date":"2024-11-25T11:02:23","date_gmt":"2024-11-25T03:02:23","guid":{"rendered":"https:\/\/fwq.ai\/blog\/34177\/"},"modified":"2024-11-25T11:02:23","modified_gmt":"2024-11-25T03:02:23","slug":"%e6%b5%85%e6%9e%90%e5%b0%8f%e7%a8%8b%e5%ba%8f%e4%b8%ad%e5%a6%82%e4%bd%95%e4%bc%98%e9%9b%85%e5%9c%b0%e8%bf%9b%e8%a1%8c%e6%a8%a1%e5%9d%97%e5%8c%96%e5%a4%84%e7%90%86%ef%bc%9f","status":"publish","type":"post","link":"https:\/\/fwq.ai\/blog\/34177\/","title":{"rendered":"\u6d45\u6790\u5c0f\u7a0b\u5e8f\u4e2d\u5982\u4f55\u4f18\u96c5\u5730\u8fdb\u884c\u6a21\u5757\u5316\u5904\u7406\uff1f"},"content":{"rendered":"

\u5c0f\u7a0b\u5e8f\u4e2d\u5982\u4f55\u4f18\u96c5\u5730\u8fdb\u884c\u6a21\u5757\u5316\u5904\u7406\uff1f\u672c\u7bc7\u6587\u7ae0\u5c31\u6765\u624b\u628a\u624b\u6559\u5927\u5bb6\u5982\u4f55\u4f18\u96c5\u7684\u5728\u5c0f\u7a0b\u5e8f\u4e2d\u8fdb\u884c\u6a21\u5757\u5316\uff0c\u5e0c\u671b\u5bf9\u5927\u5bb6\u6709\u6240\u5e2e\u52a9\uff01<\/p>\n

\"\u6d45\u6790\u5c0f\u7a0b\u5e8f\u4e2d\u5982\u4f55\u4f18\u96c5\u5730\u8fdb\u884c\u6a21\u5757\u5316\u5904\u7406\uff1f\u63d2\u56fe\"<\/p>\n

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ES6\u548ccommonJS\u7684\u9009\u62e9<\/h2>\n

\u9996\u5148\u5728\u5fae\u4fe1\u5c0f\u7a0b\u5e8f\u4e2d\u4e0d\u8bba\u662f ES6 \u6216\u8005\u662f commonJS \u6a21\u5757\u5316\u8bed\u6cd5\u90fd\u662f\u652f\u6301\u7684\uff0c\u5728\u4f20\u7edf\u7684web\u9879\u76ee\u4e2d\u6211\u4e2a\u4eba\u662f\u4e60\u60ef\u7edf\u4e00\u4f7f\u7528 ES6 \u6a21\u5757\u5316\u8bed\u6cd5\u8fdb\u884c\u5f00\u53d1\u7684\u3002<\/p>\n

\u5728\u6700\u521d\u6211\u4e5f\u662f\u5c06\u5c0f\u7a0b\u5e8f\u4e2d\u6240\u6709\u7684\u901a\u7528\u65b9\u6cd5\u62bd\u79bb\u6210\u5355\u72ec\u7684\u6587\u4ef6\uff0c\u5e76\u4f7f\u7528export \u6216 export default \u5bfc\u51fa,\u4f7f\u7528 import \u5f15\u5165\u3002<\/p>\n

\u6ce8\u610f\u70b9<\/span><\/strong><\/p>\n

\u4f46\u662f\uff01\u5728\u5b9e\u9645\u5f00\u53d1\u4e2d\uff0c\u5c0f\u7a0b\u5e8f\u7684js\u6587\u4ef6\u662f\u4e0d\u652f\u6301\u7edd\u5bf9\u8def\u5f84\u5f15\u5165<\/strong>\u7684\uff01\u8fd9\u610f\u5473\u7740\u5982\u679c\u4f60\u9700\u8981\u5728\u4f60\u7684\u9875\u9762\u4e2d\u5f15\u5165\u4e00\u4e2a\u516c\u7528\u65b9\u6cd5\uff0c\u4f60\u5fc5\u987b\u4f7f\u7528 ..\/..\/..\/xxx\/xxx.js \u7684\u65b9\u5f0f\uff0c\u5f53\u4f60\u540c\u4e00\u4e2a\u9875\u9762\u5f15\u5165\u591a\u4e2a\u6a21\u5757\u65f6\uff0c\u8fd9\u79cd\u5199\u6cd5\u7edd\u5bf9\u4f1a\u6781\u5927\u7684\u6253\u51fb\u4f60\u7684\u5f00\u53d1\u70ed\u60c5\u3002<\/p>\n

\u89e3\u51b3\u65b9\u5f0f<\/span><\/strong><\/p>\n

\u90a3\u6211\u4eec\u8be5\u5982\u4f55\u89e3\u51b3\u8fd9\u4e48\u957f\u7684\u5f15\u5165\u8def\u5f84\u5462\uff0c\u5728web\u9879\u76ee\u4e2d\uff0c\u6211\u4eec\u5e38\u5e38\u4f1a\u4f7f\u7528\u8def\u5f84\u522b\u540d\u7684\u65b9\u5f0f\uff0c\u4f8b\u5982 webpack<\/strong>\u6216vite<\/strong> \u4e2d\u7684 resolve.alias \u6765\u7f29\u77ed\u5f15\u5165\u7684\u8def\u5f84\u3002<\/p>\n

alias: {\"@src\":path.resolve(\"src\"),<\/pre>\n
 \u767b\u5f55\u540e\u590d\u5236 <\/p>\n
\u4f46\u662f\u5728\u539f\u751f\u5fae\u4fe1\u5c0f\u7a0b\u5e8f\u4e2d\uff0c\u867d\u7136\u53ef\u4ee5\u901a\u8fc7 gulp<\/strong> \u6216\u8005 webpack<\/strong> \u7b49\u4e00\u4e9b\u524d\u7aef\u5de5\u7a0b\u5316\u7684\u5de5\u5177\u5bf9\u5c0f\u7a0b\u5e8f\u8fdb\u884c\u4e00\u4e9b\u6539\u9020\uff0c\u4f46\u662f\u4f5c\u4e3a\u4e00\u4e2a\u5f00\u6e90\u9879\u76ee\u6211\u5e0c\u671b\u5b83\u7684\u542f\u52a8\u8fc7\u7a0b\u4e0d\u9700\u8981\u592a\u591a\u989d\u5916\u914d\u7f6e\u3002\u6700\u597d\u662f\u80fd\u591f\u4f7f\u7528\u539f\u751f\u7684\u8bed\u6cd5\u53bb\u5b9e\u73b0\u3002<\/p>\n
\u6700\u7ec8\u6211\u9009\u62e9\u4e86\u5728 app.js\u4e2d\u65b0\u589e\u4e00\u4e2arequire\u65b9\u6cd5\u7528\u4e8e\u5f15\u5165\u6a21\u5757\uff0c\u8fd9\u6837\u5728\u9875\u9762\u5185\u5f15\u5165\u6a21\u5757\u65f6\uff0c\u6211\u4eec\u53ea\u9700\u8981\u4f7f\u7528app\u7684\u5b9e\u4f8b\u6765\u8fdb\u884c\u6a21\u5757\u5f15\u5165\uff0c\u8fd9\u6837\u53ef\u4ee5\u5b9e\u73b0\u4f7f\u7528\u4e0eapp.js\u6587\u4ef6\u7684\u76f8\u5bf9\u8def\u5f84\u6765\u5f15\u5165\u6587\u4ef6.<\/p>\n
\/\/ app.js\nApp({\n    require(path){\n        return path\n    }\n})<\/pre>\n
 \u767b\u5f55\u540e\u590d\u5236 <\/p>\n
\u4f7f\u7528\u65b9\u5f0f<\/p>\n
\/\/ \u4f7f\u7528\u57fa\u4e8eapp.js\u7684\u76f8\u5bf9\u8def\u5f84\u6765\u5f15\u5165\u6587\u4ef6\uff0c\u8fd9\u6837\u5c31\u907f\u514d\u4e86\u5199\u5f88\u591a\"..\/\"\nconst app = getApp()\nconst upload = app.require(\"lib\/upload\")<\/pre>\n
 \u767b\u5f55\u540e\u590d\u5236 <\/p>\n
\u5f53\u7136\u8fd9\u6837\u505a\u4e5f\u4e0d\u662f\u7279\u522b\u65b9\u4fbf\uff0c\u9996\u5148\u662f\u4ee3\u7801\u63d0\u793a\u7684\u4e0d\u5065\u5168<\/strong>\uff0c\u4f7f\u7528\u4ee5\u4e0a\u65b9\u5f0f\u7684\u8bdd\u53ef\u80fd\u5bf9\u4e8e\u53c2\u6570\u6216\u8005\u4e00\u4e9b\u8fd4\u56de\u503c\u7684\u63d0\u793a\u4e0d\u5230\u4f4d\uff0c\u4f46\u662f\u5f71\u54cd\u4e0d\u5927\u3002\u5982\u679c\u4e4b\u540e\u6211\u6478\u7d22\u51fa\u4e86\u5176\u4ed6\u6bd4\u8f83\u597d\u7684\u5b9e\u73b0\u65b9\u5f0f\u518d\u5199\u4e00\u7bc7\u6587\u7ae0\u89e3\u6790\u3002\u5176\u6b21\u662f\u5fc5\u987b\u4f7f\u7528\u5168\u5c40\u7edf\u4e00\u4f7f\u7528commonJS<\/strong> \u7684\u6a21\u5757\u5316\u8bed\u6cd5\u5566\uff0c\u4e0d\u8fc7\u8fd9\u4e00\u70b9\u7684\u8bdd\u95ee\u9898\u4e0d\u5927\u3002<\/p>\n
\u5355\u9875\u9762\u6a21\u5757\u5316<\/strong><\/h2>\n
\u5c0f\u7a0b\u5e8f\u4e2d\u5e76\u6ca1\u6709\u63d0\u4f9b\u7279\u6b8a\u7684\u6a21\u5757\u5316\u65b9\u5f0f\uff0c\u6bd4\u8f83\u5e38\u7528\u7684\u5c31\u662f\u5c06\u4e00\u4e9b\u65b9\u6cd5\u62bd\u79bb\u4e3a\u5355\u72ec\u7684js\u6587\u4ef6\uff0c\u7136\u540e\u518d\u5f15\u5165\u3002\u60f3\u8981\u907f\u514d\u4e00\u4e2a\u9875\u9762\u6587\u4ef6\u4ee3\u7801\u592a\u957f\u7684\u8bdd\u6700\u597d\u7684\u65b9\u5f0f\u662f\u7ec4\u4ef6\u5316\uff0c\u4f46\u662f\u5728\u5c0f\u7a0b\u5e8f\u4e2d\uff0c\u8ba4\u4e3a\u5199\u7ec4\u4ef6\u771f\u7684\u662f\u4e00\u4ef6\u5f88\u4e0d\u723d\u7684\u4e8b\u60c5\u3002<\/p>\n
\u5c0f\u7a0b\u5e8f\u7ec4\u4ef6\u62e5\u6709\u81ea\u5df1\u7684\u751f\u547d\u5468\u671f\uff0c\u800c\u4e14\u5f15\u5165\u65f6\u5fc5\u987b\u5728\u9875\u9762json\u4e2d\u63d0\u524d\u5b9a\u4e49<\/strong>\uff0c\u7531\u4e8e\u7ec4\u4ef6\u662f\u6302\u5728\u5728shadow root\u8282\u70b9<\/strong>\u4e0a\uff0c\u5982\u679c\u60f3\u8981\u548c\u9875\u9762\u5171\u4eab\u6837\u5f0f\u4f8b\u5982colorUI\u7684\u5168\u5c40\u6837\u5f0f\u8fd8\u9700\u8981\u5199\u5165\u5355\u72ec\u7684\u914d\u7f6e\u9879styleIsolation<\/strong>\u3002\u6574\u4f53\u5f00\u53d1\u4f53\u9a8c\u76f8\u6bd4vue\u800c\u8a00\u6bd4\u8f83\u5272\u88c2\u3002<\/p>\n
\u57fa\u4e8e\u4ee5\u4e0a\u7684\u4e00\u4e9b\u4e2a\u4eba\u770b\u6cd5\uff0c\u6211\u5728\u5199\u5c0f\u7a0b\u5e8f\u65f6\u6bd4\u8f83\u5c11\u4f7f\u7528\u7ec4\u4ef6\uff0c\u5982\u679c\u662f\u9700\u8981\u62bd\u79bbwxml\u6216\u8005\u662fjs\u6211\u901a\u5e38\u4f7f\u7528\u4ee5\u4e0b\u7684\u65b9\u6cd5\u3002<\/p>\n
wxml\u6a21\u5757\u5316<\/span><\/strong><\/p>\n
\u5728\u5c0f\u7a0b\u5e8f\u4e2d\u6211\u901a\u5e38\u4f7f\u7528 \u6a21\u677ftemplate \u8fdb\u884c\u62bd\u79bb\u590d\u7528\uff0c \uff0c\u6a21\u677f\u76f8\u8f83\u4e8e\u7ec4\u4ef6\u62bd\u79bb\u7684\u4ec5\u4ec5\u662f\u90e8\u5206\u7684\u9875\u9762\uff0c\u4e0d\u5305\u542b\u529f\u80fd\u90e8\u5206\u7684\u62bd\u79bb\u3002<\/p>\n
\u4ee5\u4e0b\u662f\u6211\u62bd\u79bb\u7684\u4e00\u4e2a\u6a21\u677f,\u8fd9\u662f\u4e00\u4e2a\u6587\u7ae0\u7684\u5217\u8868\u9879\uff0c\u5b83\u5e76\u6ca1\u6709\u4ec0\u4e48\u5355\u72ec\u7684\u529f\u80fd<\/strong>\uff0c\u4f46\u662f\u4ee3\u7801\u5f88\u957f<\/strong>\u5e76\u4e14\u5374\u5728\u5f88\u591a\u9875\u9762\u4e2d\u590d\u7528<\/strong>\u5230\uff0c\u4e8e\u662f\u6211\u5c06\u5b83\u8fdb\u884c\u4e86\u4e00\u4e2a\u62bd\u79bb\u3002\u628a\u6837\u5f0f\u90fd\u901a\u8fc7\u884c\u5185\u6837\u5f0f<\/strong>\u7684\u65b9\u5f0f\u5199\u4e0a\uff0c\u8fd9\u6837\u5728\u54ea\u91cc\u5f15\u5165\u90fd\u662f\u4e00\u6837\u7684\u6837\u5f0f\u3002<\/p>\n
<!-- \u6587\u7ae0\u5217\u8868\u9879 -->\n<import><\/import><template><view>\n        <!-- \u80cc\u666f\u8499\u7248 -->\n        <view>\n                <image><\/image>\n        <\/view>\n        <view>\n        <\/view>\n\n        <view>\n                <!-- \u6587\u7ae0\u6807\u9898 -->\n                <view>\n                        <text>{{topic}}<\/text>\n                        <text>{{title}}<\/text>\n                <\/view>\n                <!-- \u6587\u7ae0\u5185\u5bb9 -->\n                <view>{{content}}<\/view>\n\n                <view>\n                        <!-- \u6587\u7ae0\u56fe\u7247 -->\n                        <view>\n                                <view>\n                                        <image><\/image>\n                                <\/view>\n                        <\/view>\n\n                        <!-- \u6d4f\u89c8\u91cf-\u70b9\u8d5e\u6570 -->\n                        <view>\n                                <view><\/view>\n                                <view>{{viewNum||0}}<\/view>\n                                <view><\/view>\n                                <view>{{favorNum||0}}<\/view>\n                        <\/view>\n                <\/view>\n\n                <!-- \u53d1\u5e03\u65f6\u95f4 -->\n                <view>\n                        <view>\n                                <template><\/template>\n                                <view>{{user.nickName}}<\/view>\n                        <\/view>\n\n                        <view>{{createTime}}<\/view>\n                <\/view>\n        <\/view><\/view><\/template><\/pre>\n
 \u767b\u5f55\u540e\u590d\u5236 <\/p>\n
\u5728\u9875\u9762\u4e2d\u4f7f\u7528\u7684\u65f6\u5019\u9700\u8981\u63d0\u524d\u5f15\u5165\uff0c\u7531\u4e8e\u53ef\u4ee5\u5f15\u5165\u591a\u4e2a\u6a21\u677f\uff0c\u56e0\u6b64\u4f7f\u7528\u65f6\u9700\u8981\u4f7f\u7528 is\u5c5e\u6027 \u58f0\u660e\u4f7f\u7528\u7684\u662f\u54ea\u4e00\u4e2atemplate\uff0c\u6570\u636e\u7684\u8bdd\u53ef\u4ee5\u901a\u8fc7data\u5c5e\u6027\u4f20\u5165\uff0c\u8fd9\u91cc\u7684\u793a\u4f8b\u662f\u6211\u5c06\u904d\u5386\u7684item<\/strong>\u89e3\u6784\u540e\u518d\u8d4b\u503c\u8fdb\u53bb\u3002<\/p>\n
<!-- \u67d0\u4e2a\u9875\u9762 -->\n<import><\/import><template><\/template><\/pre>\n
 \u767b\u5f55\u540e\u590d\u5236 <\/p>\n
\u5f53\u7136\u4f7f\u7528template\u8fdb\u884c\u6a21\u5757\u5316\u8fdb\u884c\u62bd\u79bb\u7684\u6a21\u677f\u4ee3\u7801\u53ef\u4e0d\u80fd\u5305\u6db5\u592a\u591a\u7684\u529f\u80fd\u903b\u8f91\uff0c\u5177\u4f53\u7684\u4f7f\u7528\u8fd8\u662f\u9700\u8981\u6839\u636e\u4e1a\u52a1\u6765\u5662\u3002<\/p>\n
js\u6a21\u5757\u5316<\/span><\/strong><\/p>\n
\u5728\u5c0f\u7a0b\u5e8f\u4e2d\u6700\u57fa\u672c\u7684js\u6a21\u5757\u5316\u5c31\u662f\u76f4\u63a5\u62bd\u79bbjs\u6587\u4ef6\uff0c\u4f8b\u5982\u4e00\u4e9b\u5168\u5c40\u901a\u7528\u7684\u65b9\u6cd5\uff0c\u4e0b\u9762\u5c55\u793a\u4e00\u4e2a\u5168\u5c40\u4e0a\u4f20\u65b9\u6cd5\u7684\u5c01\u88c5<\/p>\n
\/\/ lib\/upload.js\n\/\/ \u4e0a\u4f20\u65b9\u6cd5\nmodule.exports = async function upload(path) {\n\treturn await wx.cloud.uploadFile({\n\t\tcloudPath: new Date().getTime() + path.substring(path.lastIndexOf(\".\")),\n\t\tfilePath: path,\n\t})\n}<\/pre>\n
 \u767b\u5f55\u540e\u590d\u5236 <\/p>\n
\/\/ pages\/form\/form.js\nconst app = getApp()\nconst upload = app.require(\"lib\/upload\")\nPage({\nasync submit() {\n    wx.showLoading({\n            mask: true,\n            title: \"\u53d1\u5e03\u4e2d\"\n    })\n    const imgList = []\n    for (let img of this.data.form.imgList) {\n            const uploadRes = await upload(img)\n            imgList.push(uploadRes.fileID)\n    }\n    \/\/ ...\u5176\u4ed6\u4e1a\u52a1\u4ee3\u7801\n    }\n})<\/pre>\n
 \u767b\u5f55\u540e\u590d\u5236 <\/p>\n
\u5f53\u7136\u4ee5\u4e0a\u7684\u529e\u6cd5\u5bf9\u4e8e\u901a\u7528\u65b9\u6cd5\u6765\u8bf4\u5f88\u65b9\u4fbf\uff0c\u4f46\u662f\u5bf9\u4e8e\u4e0e \u9875\u9762\u64cd\u4f5c\u7684\u903b\u8f91\u8026\u5408\u6027<\/strong> \u5f88\u9ad8\u7684\u4e00\u4e9b\u4e1a\u52a1\u4ee3\u7801\uff0c\u8fd9\u6837\u5b50\u62bd\u79bb\u5e76\u4e0d\u65b9\u4fbf\u3002<\/p>\n
\u5728vue2\u4e2d\u6211\u4eec\u53ef\u4ee5\u4f7f\u7528mixin<\/strong>\u7684\u65b9\u6cd5\u6a21\u5757\u5316\u4ee3\u7801\uff0c\u5728vue3\u4e2d\u6211\u4eec\u53ef\u4ee5\u4f7f\u7528hook<\/strong>\u7684\u65b9\u5f0f\u6a21\u5757\u5316\u4ee3\u7801\uff0c\u4f46\u662f\u5728\u5c0f\u7a0b\u5e8f\u4e2d\u5e76\u6ca1\u6709\u4ee5\u4e0a\u4e24\u8005\u7684\u652f\u6301\uff0c\u6700\u521d\u6211\u60f3\u4eff\u7167 vue3\u7684hook<\/strong> \u65b9\u5f0f\u8fdb\u884c\u9875\u9762js\u5c01\u88c5\u6539\u9020\uff0c\u4f46\u6700\u7ec8\u5b9e\u73b0\u7684\u6548\u679c\u4e0d\u7406\u60f3\uff0c\u4e8e\u662f\u9009\u62e9\u4e86\u5b9e\u73b0\u4e00\u4e2a\u6a21\u4effvue2 mixin<\/strong> \u7684\u65b9\u6cd5\u6765\u5b9e\u73b0\u6a21\u5757\u5316\u3002<\/p>\n
\u5177\u4f53\u4ee3\u7801\u5176\u4ed6\u535a\u4e3b\u6709\u5b9e\u73b0\u8fc7\uff0c\u56e0\u6b64\u6211\u5c31\u76f4\u63a5\u62ff\u6765\u4f7f\u7528\u4e86\uff0c\u5177\u4f53\u4ee3\u7801\u5982\u4e0b\u3002\u5982\u679c\u4e0d\u4e86\u89e3vue\u4e2dmixin\u7684\u4f7f\u7528\u65b9\u6cd5\u7684\u53ef\u4ee5\u81ea\u884c\u53bb\u5b98\u7f51\u770b\u6587\u6863\uff0c\u8fd9\u91cc\u4e0d\u505a\u8fc7\u591a\u4ecb\u7ecd\u3002<\/p>\n
\/\/ mixin.js\n\/\/ \u4fdd\u5b58\u539f\u751f\u7684 Page \u51fd\u6570\nconst originPage = Page\n\/\/ \u5b9a\u4e49\u5c0f\u7a0b\u5e8f\u5185\u7f6e\u7684\u5c5e\u6027\/\u65b9\u6cd5\nconst prop = ['data', 'properties', 'options']\nconst methods = ['onLoad', 'onReady', 'onShow', 'onHide', 'onUnload', 'onPullDownRefresh', 'onReachBottom', 'onShareAppMessage', 'onPageScroll', 'onTabItemTap']\n\nPage = (options) =&gt; {\n  if (Array.isArray(options.mixins)) {\n    const mixins = options.mixins\n    delete options.mixins\n    mixins.forEach((mixin) =&gt; {\n      for (let [key, value] of Object.entries(mixin)) {\n        if (prop.includes(key)) {\n          \/\/ \u6df7\u5165\u5c5e\u6027\n          options[key] = {\n            ...value,\n            ...options[key]\n          }\n        } else if (methods.includes(key)) {\n          \/\/ \u6df7\u5165\u539f\u751f\u65b9\u6cd5\n          const originFunc = options[key]\n          options[key] = function (...args) {\n            value.call(this, ...args)\n            return originFunc &amp;&amp; originFunc.call(this, ...args)\n          }\n        } else {\n          \/\/ \u6df7\u5165\u666e\u901a\u65b9\u6cd5\n          options = {\n            ...mixin,\n            ...options\n          }\n        }\n      }\n    })\n  }\n  originPage(options)\n}<\/pre>\n
 \u767b\u5f55\u540e\u590d\u5236 <\/p>\n
\u5b9e\u73b0\u7684\u539f\u7406\u662f\u6539\u9020\u5c0f\u7a0b\u5e8f\u4e2d\u7684Page()\u51fd\u6570\uff0c\u5c0f\u7a0b\u5e8f\u7684\u6bcf\u4e00\u4e2a\u9875\u9762\u90fd\u662f\u901a\u8fc7\u8c03\u7528Page({option})\u65b9\u6cd5\u6765\u5b9e\u73b0\u7684,\u5728option\u53c2\u6570\u4e2d\u4f20\u5165\u9875\u9762\u76f8\u5173\u7684data\u548c\u58f0\u660e\u5468\u671f\u51fd\u6570\u53ca\u5176\u4ed6\u65b9\u6cd5\u3002<\/p>\n
\u6211\u4eec\u901a\u8fc7\u5728Page\u65b9\u6cd5\u7684\u53c2\u6570option\u4e2d\u589e\u52a0\u4e00\u4e2amixin\u5c5e\u6027\uff0c\u8fd9\u4e2a\u5c5e\u6027\u53ef\u4ee5\u4f20\u5165\u4e00\u4e2a\u6570\u7ec4\uff0c\u6570\u7ec4\u5373\u662f\u6bcf\u4e00\u4e2a\u8981\u6df7\u5165\u7684\u6a21\u5757\uff0c\u6bcf\u4e00\u4e2a\u6a21\u5757\u7684\u7ed3\u6784\u5176\u5b9e\u4e0e\u53c2\u6570option\u662f\u4e00\u6837\u7684\uff0c\u6211\u4eec\u53ea\u9700\u8981\u5c06\u6240\u6709\u6df7\u5165\u7684\u6a21\u5757\u4e0e\u9875\u9762\u81ea\u8eab\u7684option\u8fdb\u884c\u4e00\u4e2a\u53c2\u6570\u548c\u65b9\u6cd5\u7684\u5408\u5e76\u5c31\u80fd\u5b9e\u73b0\u4e00\u4e2amixin\u7684\u529f\u80fd\u3002<\/p>\n
\u4f7f\u7528\u7684\u65b9\u6cd5\u662f\u73b0\u5728app.js\u4e2d\u5f15\u5165mixin.js<\/p>\n
\/\/ app.js\nrequire(\".\/mixins.js\")\nApp({\n\/\/ ...\u5176\u4ed6\u4ee3\u7801\n})<\/pre>\n
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\u7136\u540e\u6211\u4eec\u5199\u4e00\u4e2a\u5e38\u89c4\u9875\u9762\u7684js,\u4e1a\u52a1\u4ee3\u7801\u5927\u5bb6\u4e0d\u7528\u770b\uff0c\u4e3b\u8981\u5173\u6ce8Page\u7684\u5c5e\u6027\u4e2d\u591a\u4e86\u4e00\u4e2amixins\u9009\u9879\uff0c\u800cmixins\u6570\u7ec4\u4e2d\u6709\u4e00\u4e2atopic\u6a21\u5757\u3002<\/p>\n
\/\/ pages\/form\/form.js\nconst app = getApp()\nconst upload = app.require(\"lib\/upload\")\nconst to = app.require(\"lib\/awaitTo\")\nconst db = wx.cloud.database()\nPage({\n\tmixins: [require(\".\/mixins\/topic\")],\n\tdata: {\n\t\tuser: wx.getStorageSync('user'),\n\t\tform: {\n\t\t\ttitle: \"\",\n\t\t\ttopic: \"\",\n\t\t\tcontent: \"\",\n\t\t\timgList: []\n\t\t}\n\t},\n\tchooseImg() {\n\t\twx.chooseImage({\n\t\t\tcount: 9 - this.data.form.imgList.length,\n\t\t\tsizeType: ['original'], \/\/\u53ef\u4ee5\u6307\u5b9a\u662f\u539f\u56fe\u8fd8\u662f\u538b\u7f29\u56fe\uff0c\u9ed8\u8ba4\u4e8c\u8005\u90fd\u6709\n\t\t\tsourceType: ['album', 'camera'], \/\/\u4ece\u76f8\u518c\u9009\u62e9\n\t\t\tsuccess: (res) =&gt; {\n\t\t\t\tres.tempFilePaths = res.tempFilePaths\n\t\t\t\tif (this.data.form.imgList.length != 0) {\n\t\t\t\t\tthis.setData({ \"form.imgList\": this.data.form.imgList.concat(res.tempFilePaths) })\n\t\t\t\t} else {\n\t\t\t\t\tthis.setData({ \"form.imgList\": res.tempFilePaths })\n\t\t\t\t}\n\t\t\t}\n\t\t});\n\t},\n\tasync delImg(e) {\n\t\tconst index = e.currentTarget.dataset.index\n\t\tconst temp = this.data.form.imgList\n\t\ttemp.splice(index, 1)\n\t\tthis.setData({ \"form.imgList\": temp })\n\t}\n})<\/pre>\n
 \u767b\u5f55\u540e\u590d\u5236 <\/p>\n
\u7531\u4e8e topic \u5185\u90fd\u662f\u5173\u8054\u6027\u8f83\u5f3a\u7684\u5c5e\u6027\u4e0e\u65b9\u6cd5\uff0c\u56e0\u6b64\u5c31\u53ef\u4ee5\u62bd\u79bb\u51fa\u6765\uff0c\u8fd9\u6837\u9875\u9762\u7684js\u5c31\u4f1a\u66f4\u52a0\u7cbe\u7b80\u5566\uff0c\u5982\u679c\u6709\u66f4\u591a\u7684\u4ee3\u7801\u5c31\u6839\u636e\u81ea\u5df1\u5bf9\u4e8e\u529f\u80fd\u7684\u5224\u65ad\u8fdb\u884c\u62bd\u79bb\uff0c\u7136\u540e\u653e\u5728\u9875\u9762\u5bf9\u4e8emixin\u76ee\u5f55<\/strong>\u4e2d\u5373\u53ef\uff01<\/p>\n
\/\/ \/\/ pages\/form\/mixin\/topic.js\nconst db = wx.cloud.database()\nmodule.exports =  {\n    data:{\n        topic:{\n            flag:false,\n            list:[]\n        },\n    },\n    onLoad(options) {\n\t\tthis.getTopic()\n    },\n    async getTopic(){\n\t\tconst res = await db.collection(\"topic\").get()\n\t\tthis.setData({\"topic.list\":res.data})\n\t},\n\t\n\tclearTopic(){\n\t\tthis.setData({\"form.topic\":\"\"})\n\t},\n\ttoggleTopic(e){\n        console.log(e.currentTarget.dataset)\n\t\tconst flag = e.currentTarget.dataset.flag\n\t\tthis.setData({\"topic.flag\":flag})\n\t},\n}<\/pre>\n
 \u767b\u5f55\u540e\u590d\u5236 <\/p>\n
\u6ce8\u610f\u70b9<\/span><\/strong><\/p>\n
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\u3010\u76f8\u5173\u5b66\u4e60\u63a8\u8350\uff1a\u3011<\/p>\n
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