微信小程序实现无缝滚动

  
   
   
   
   {{index}}{{item.ip}}{{item.str}}
   
  

  
   
   
   
   {{item.ip}}{{item.str}}
   
  

onShow(){
let windowWidth = wx.getSystemInfoSync().windowWidth; //屏幕宽度
wx.createSelectorQuery().select('.firstScroll').boundingClientRect(function (rect) {
  let txtLength = rect.width;//文字+图标长度
  console.log(txtLength)
  console.log(rect)
  // that.setData({
  // marginLeft: txtLength 

.wrap-item{
position: relative;
z-index: 10;
display: flex;
white-space: nowrap;
}

.brand-info .messages-scroll {
display: flex;
white-space: nowrap;

margin-top: 148rpx;
}

.brand-info .messages-scroll .items {
display: flex;
white-space: nowrap;
box-sizing: border-box;
padding: 0 10rpx;
margin-left: 10rpx;
align-items: center;
/* width: 332rpx; */
height: 50rpx;
background: rgba(0, 0, 0, 0.2);
border-radius: 25rpx;
color: #99A4BA;
}

.yanse{
color: #C4FFFD !important;
}

.brand-info .messages-scroll .items image {
width: 26rpx;
height: 22rpx;
margin-right: 10rpx;
}

.brand-info .messages-scroll .items view {
font-size: 24rpx;
font-family: Source Han Sans CN;
font-weight: 400;
}