微信小程序 动态绑定事件并实现事件修改样式
实例代码
wxml
<scroll-view class="reporttypescroll" scroll-x="true" scroll-left="{{toleftnum}}"> <block wx:for-items="{{reporttypelist}}" wx:key="{{index}}"> <text type="primary" style="width:{{itemwidth}}rpx;" bindtap="bind{{item.id}}" data-typeid="{{item.id}}" class="{{currentid==item.id?'clicksel':'removesel'}}">{{item.name}}</text> </block> </scroll-view>
js
var reporttypelist = [ { name: "日报1", id: "1" }, { name: "目录2", id: "2" }, { name: "季报3", id: "3" }, { name: "月报4", id: "4" }, { name: "日报5", id: "5" }, { name: "目录6", id: "6" }, { name: "季报7", id: "7" }, { name: "月报8", id: "8" }, { name: "日报9", id: "9" }, { name: "目录10", id: "10" }, { name: "季报11", id: "11" }, { name: "月报12", id: "12" }] var pageobject = { data: { reporttypelist: reporttypelist, num: 0, toleftnum: 0, itemwidth: 150 } } for (var i = 0; i < reporttypelist.length; i++) { (function (item) { pageobject['bind' + item.id] = function (e) { var id = parseint(e.currenttarget.dataset.typeid) this.setdata({ currentid: id }) } })(reporttypelist[i]) } page(pageobject)
wxss
/**index.wxss**/ .reporttypescroll { margin: 40px 0px 20px 0px; white-space: nowrap; display: flex; } .clicksel { color: red; } .removesel { color: black; } text { height: 150rpx; display: inline-block; text-align: center; }
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