微信小程序点击添加移除class类实现动态变化class
wxml：
<view class="location_bottom" hidden="" >
<view class="{{_num == 1" data-num = "1" bindtap="clickNum">北京</view>
<view class="{{_num == 2" data-num = "2" bindtap="clickNum">上海</view>
</view>
wxss:
.location_bottom{height: 140rpx;line-height: 140rpx;color: #d91f16;font-size:
28rpx;border-top: 2rpx #ebebeb solid; border-bottom: 2rpx #ebebeb solid; padding: 0 20rpx; align-items: center;display: -webkit-flex;}
.add_city{width: 228rpx;height: 60rpx;line-height: 60rpx; text-align: center; border: 2rpx
solid #ebebeb; color: #000000;margin-right: 20rpx; }
.add_citying{width: 228rpx;height: 60rpx;line-height: 60rpx; text-align: center;
border: 2rpx solid #09bb07; color: #09bb07;margin-right: 20rpx;}
js:
Page({
data: {
_num: 0,
},
clickNum: function (e) {
console.log(e.target.dataset.num)
this.setData({
_num: e.target.dataset.num
})
},
onLoad: function (options) {
}
})
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