filterForm:{
 schoolName:'',//輸入的學校名稱
 position:'',//選擇的區(qū)域區(qū)域
 schoolLevel:"",//選擇的學校辦別
},
schoolList:[
 {schoolName:'青島市實驗高級中學',schoolLevel:"",position:'山東省青島市城陽區(qū)碩陽路69號'},
 {schoolName:'山東省青島第二中學',schoolLevel:"",position:'山東省青島市嶗山區(qū)松嶺路70號'},
 {schoolName:'山東省青島第一中學',schoolLevel:"",position:'山東省青島市市南區(qū)單縣路46號'},
 {schoolName:'山東省青島第三十九中學',schoolLevel:"",position:'市南區(qū)登州路5號'},
 {schoolName:'山東省青島第六中學',schoolLevel:"",position:'山東省青島市黃島區(qū)云臺山路66號'},
 {schoolName:'山東省青島第十九中學',schoolLevel:"",position:'山東省青島市即墨區(qū)鰲山衛(wèi)街道衛(wèi)場路69號'},
 {schoolName:'青島藝術學校',schoolLevel:"",position:'青島市李滄區(qū)九水路176號'},
 {schoolName:'山東省青島第九中學',schoolLevel:"",position:'山東省青島市黃島區(qū)七星河路559號'},
 {schoolName:'青島電子學校',schoolLevel:"",position:'山東省青島市市北區(qū)臺東一路118號'}
],//其中schoolList是元數據
resull:[]//搜索結果，也是列表循環(huán)的數據

watch: {
 // 監(jiān)聽對象變化
 filterForm:{
 handler(val, oldVal){
  if(val){
  // 如果篩選條件全為空，查全部；否則按條件篩選
  var objIsEmpty = this.filterForm.schoolName == '' && this.filterForm.schoolLevel == '' && this.filterForm.position == ''
  if(objIsEmpty){
   this.result = this.schoolList
  } else {
   // /拿到有值的參數
   let tempFilter = {};
   for(var key in this.filterForm) {
   if(typeof(this.filterForm[key]) != "undefined" && typeof(this.filterForm[key]) != "null" && this.filterForm[key] != null && this.filterForm[key] != "") {
    tempFilter[key] = this.filterForm[key];
   }
   }
   // console.log(tempFilter,'輸出tempFilter')
   this.result = this.schoolList.filter(
   //篩選
   (item) => {
    let flag = false;
    for(key in tempFilter) {
    console.log(key,'輸出key')
     if(item[key].toString().indexOf(tempFilter[key].toString()) >= 0) {
     flag = true;
     } else {
                    flag = false;
                    break;
                  }
                }
                if(flag) {
                  return item;
                }
              }
            );
            console.log(this.result,'輸出篩選結果')
          }
        }
      },
      deep:true
    }
}