<view class="ad_popError" wx:if="{{popErrorMsg}}">{{popErrorMsg}}</view><view class="ad_popFt"><form bindsubmit="goDetail" >   <textarea class="ad_popArea" bindinput="commentTxtFn" focus="{{isPopOpen}}" placeholder="請輸入留言內(nèi)容" placeholder-style="color:#cccccc;" name="textarea" /> <view class="ad_popCout">  <text class="one_star">你還可以輸入</text>  <text class="one_stars {{!!tips?'danger':''}}">{{commentTxtCount}}</text>  <text class="one_star">字</text> </view> <button class="informBtn" form-type="submit">確認發(fā)布</button></form></view>

page{background: #f4f4f4;}.ad_popHd{height: 76rpx; line-height: 76rpx; font-size: 32rpx;text-align: center; border-bottom: 1px solid #cdd1cd; padding: 0 20rpx;color: #202120;}.ad_popFt{ margin: 20rpx ; margin-top: 50rpx;}.ad_popArea{ width: 708rpx; height:400rpx;font-size:30rpx;padding: 20rpx; box-sizing: border-box; -webkit-box-sizing: border-box; line-height: 40rpx; color: #333; background: #fff; }.ad_popCout{ color: #969899; font-size: 24rpx; text-align: right; line-height: 58rpx; padding: 0 20rpx;}.informBtn{background: #09bb07;color: #fff;font-size: 34rpx; margin-top: 38rpx;height: 88rpx;}.one_stars{color: #999;}.one_star{font-size: 20rpx;color: #999;}.danger{ color: #f64400;}.ad_popError{ background: #de352d; color: #fff; height: 58rpx; line-height: 58rpx; font-size: 24rpx; text-align: center; position: absolute; left: 0; top: 0; width: 100%; z-index:3;}

// pages/informLeaveMsg/informLeaveMsg.jsPage({  /**  * 頁面的初始數(shù)據(jù)  */ data: {   }, //確認發(fā)布 goDetail:function(e){  setTimeout(()=>{   var subValue = e.detail.value.textarea   console.log(subValue)   if (subValue == null || subValue == "") {    console.log("不能為空")    this.setData(     { popErrorMsg: "發(fā)布的留言內(nèi)容不能為空" }    );     this.ohShitfadeOut();     return;      }     },100)   },//定時器提示框3秒消失 ohShitfadeOut() {  var fadeOutTimeout = setTimeout(() => {   this.setData({ popErrorMsg: '' });   clearTimeout(fadeOutTimeout);  }, 3000); }, })