1. <scroll-view> <view>Some of the words<view> <view bindscroll="scroll" class="{{variable>200 ? 'class1' : 'class2'}}"</view> </scroll-view>

1. //JS文件 //滾動監(jiān)聽 scroll: function (e) { this.setData({ scrollTop:e.detail.scrollTop }) }

其中，variable為全局變量，  class1、class2即為相應(yīng)的css

二：微信支付php案例分享

 前端代碼：

1. wx.request({ url: 'https://www.yourhost.com/weixin/WeiActivity/payJoinfee',//改成你自己的鏈接 header: { 'Content-Type': 'application/x-www-form-urlencoded' }, method:'POST', success: function(res) { console.log(res.data); console.log('調(diào)起支付'); wx.requestPayment({ 'timeStamp': res.data.timeStamp, 'nonceStr': res.data.nonceStr, 'package': res.data.package, 'signType': 'MD5', 'paySign': res.data.paySign, 'success':function(res){ console.log('success'); wx.showToast({ title: '支付成功', icon: 'success', duration: 3000 }); }, 'fail':function(res){ console.log('fail'); }, 'complete':function(res){ console.log('complete'); } }); }, fail:function(res){ console.log(res.data) } });