<view class="serach">       <image src="{{imageUrl}}/image/search.png" />       <input class="sear-view"  model:value="{{search_text}}" bindinput="searchFun" placeholder="搜索线路、站点" />       <view class="null"></view>      </view> <view class="sear_body" wx:elif="{{search_text!=''}}">       <block wx:if="{{searchList.bllist.length>0}}">         <!-- 线路 -->         <view class="if_type">           <view class="sear_type">线路</view>           <block wx:if="{{searchList.bllist.length>3}}">           <block wx:for="{{searchList.bllist}}" wx:key="blid">             <view class="sear_list" bindtap="blTap" data-blid="{{item.blid}}" data-blname="{{item.blname}}">               <block wx:if="{{index<=3}}">                 <view id="blid{{item.blid}}"><image src="{{imageUrl}}/image/bus.png" /><text>{{item.blname}}</text></view>               </block>               <block wx:if="{{index>3}}">                 <view id="blid{{item.blid}}" style="display: {{!blBlean?'none':''}}" >                 <image src="{{imageUrl}}/image/bus.png" /><text>{{item.blname}}</text></view>               </block>             </view>           </block>             <view class="zkOrSq black" bindtap="zkOrSq" data-bl="0"><text>{{!blBlean?'展开':'收起'}}</text></view>           </block>           <block wx:if="{{searchList.bllist.length<=3}}">             <block  wx:for="{{searchList.bllist}}" wx:key="blid">               <view class="sear_list" bindtap="blTap" data-blid="{{item.blid}}" data-blname="{{item.blname}}">                 <view id="blid{{item.blid}}"><image src="{{imageUrl}}/image/bus.png" /><text>{{item.blname}}</text></view>               </view>             </block>           </block>         </view>       </block>              <block wx:if="{{searchList.stlist.length>0}}">          <!-- 站点 -->          <view class="if_type">           <view class="sear_type">站点</view>           <block wx:if="{{searchList.stlist.length>3}}">           <block wx:for="{{searchList.stlist}}" wx:key="stid">             <view class="sear_list" bindtap="stTap" data-stid="{{item.stid}}" data-stname="{{item.bsname}}">               <block wx:if="{{index<=3}}">                 <view id="stid{{item.stid}}"><image src="{{imageUrl}}/image/site.png" /><text>{{item.bsname}}</text></view>               </block>               <block wx:if="{{index>3}}">                 <view id="stid{{item.stid}}" style="display: {{!stBlean?'none':''}}" >                 <image src="{{imageUrl}}/image/site.png" /><text>{{item.bsname}}</text></view>               </block>             </view>           </block>             <view class="zkOrSq black" bindtap="zkOrSq" data-bl="1"><text>{{!stBlean?'展开':'收起'}}</text></view>           </block>           <block wx:if="{{searchList.stlist.length<=3}}">             <block wx:for="{{searchList.stlist}}" wx:key="stid" >               <view class="sear_list"  bindtap="stTap" data-stid="{{item.stid}}" data-stname="{{item.bsname}}">                 <view id="stid{{item.stid}}"><image src="{{imageUrl}}/image/site.png" /><text>{{item.bsname}}</text></view>               </view>             </block>           </block>         </view>       </block>       <block wx:if="{{searchList.adlist.length>0}}">         <!-- 目的地         <view class="if_type" wx:if="{{sear_type2==true}}">           <view class="sear_type">到这去</view>           <view class="sear_list" wx:for="{{searchList}}" wx:key="*this">             <view wx:if="{{item.type==2}}"><image src="{{imageUrl}}/image/path/hiPath.png" /><text>{{item.content}}</text></view>           </view>         </view> -->       </block>     </view> 以上是wxml代码 以下是js代码 searchFun(){     console.log("456456");     var that=this;     let val=that.data.search_text;     getList();     async function getList(){       console.log("123123");       let data = await request(getApp().globalData.globalUrl+"labus/datashare/QS_QUERY",{"stquery":val});       console.log(data);       if (data.data && data.data.bllist.length > 0 || data.data.stlist.length > 0) {         // 处理搜索结果不为空的情况         that.setData({           searchList: data.data,           blBlean: false,           stBlean: false         });       } else {         // 处理搜索结果为空的情况         that.setData({           searchList: [],           blBlean: false,  // 根据实际情况设置是否显示无数据的提示或其他操作           stBlean: false         });       }     }       }, 第一次搜索正常显示，删除第一次的搜索文字，第二次输入时请求正常返回数据，但是wxml标签全部消失，变成空白页

<view class="serach">       <image src="{{imageUrl}}/image/search.png" />       <input class="sear-view"  model:value="{{search_text}}" bindinput="searchFun" placeholder="搜索线路、站点" />       <view class="null"></view>      </view>     </view>  searchFun(){     var that=this;     let val=that.data.search_text;     getList();     async function getList(){       let data = await request(getApp().globalData.globalUrl+"labus/datashare/QS_QUERY",{"stquery":val});       console.log(data);       that.setData({         searchList:data.data,         blBlean:false,         stBlean:false       })     }       }, 这是第一次输入“佛”显示查询结果 [图片] 这是删除input值重新输入“佛”变成空白页面 [图片]