<view class="content"> <text class="every" decode="{{true}}" style="right:{{announZf}}{{announNum}}px">{{announ}}</text></view>

export default class ShopIndex extends wepy.page { config = {  navigationBarTitleText : '首頁(yè)', } data = {  // 公告內(nèi)容  announ : '超長(zhǎng)度超長(zhǎng)度超長(zhǎng)度超長(zhǎng)度超長(zhǎng)度超長(zhǎng)度超長(zhǎng)度超長(zhǎng)度超長(zhǎng)度超長(zhǎng)度超長(zhǎng)度超長(zhǎng)度超長(zhǎng)度超長(zhǎng)度超長(zhǎng)度超長(zhǎng)度超長(zhǎng)度超長(zhǎng)度超長(zhǎng)度超長(zhǎng)度超長(zhǎng)度超長(zhǎng)度超長(zhǎng)度超長(zhǎng)度超長(zhǎng)度超長(zhǎng)度超長(zhǎng)度超長(zhǎng)度超長(zhǎng)度v',  announNum : 0,  announy : 280,  announZf : '-' } onLoad() {    let self = this;  var query = wepy.createSelectorQuery();  query.select('.content').boundingClientRect(ContentRes => {   var query = wepy.createSelectorQuery();   query.select('.every').boundingClientRect(TextRes => {    //加上一百是因?yàn)榉乐乖跉w零時(shí)出現(xiàn)閃爍的情況    let maxContentWidth = ContentRes.width + 100,    maxTextWidth = TextRes.width;    //初始化    self.announNum = TextRes.width    self.$apply();    //定時(shí)器    setInterval(()=>{     if(self.announZf == '-') {      if(self.announNum <= 0) {       self.announZf = ''      } else {       self.announNum -= 1      }     } else {      if(self.announNum > (maxContentWidth)) {       //歸位       self.announZf = '-'       self.announNum = maxTextWidth      } else {       self.announNum += 1      }     }      self.$apply();        },5)   }).exec();  }).exec(); } }