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添加元素之前先判断是数组里面是否存在
使用includes来判断，如果存在就用filter来过滤出不一样的 if (this.sosuo.includes(so)) { this.sosuo = this.sosuo.filter(num => num !== so); }
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微信小程序的几个主要文件
一个小程序一般包含多个文件。虽然具体的文件数量可以根据开发需求和项目复杂性而变化，但一般的小程序包含以下几个主要文件： app.js：小程序的全局脚本文件，包含小程序的生命周期和全局方法。 app.json：小程序的全局配置文件，可以设置小程序的页面、窗口样式和网络请求等。 ap...
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微信小程序调用扫码API
一：app.json 文件中添加相机权限 "permission": { "scope.camera": { "desc": "用于扫码功能" } } 二：触发事件 <view class="list-img" bindtap="takePhoto"> <te...
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微信小程序使用weui
1.app.json "useExtendedLib": { "kbone": true, "weui": true } 2.在页面的index.json中引入 "usingComponents": { "mp-dialog": "weui-miniprogram/dialog/...
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微信小程序tabBar
实现微信小程序的导航跳转 1.在app.json中配置路由 "pages": [ "pages/index/index", "pages/coupon/coupon", "pages/shop/shop", "pages/mine/mine" ], "tabBar": { "li...
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