el-input 下拉提示

mounted

 instance.get('/get_jmxtips/').then(res=>{
     this.oldtitle = res.data.oldtitle;
     this.oldziduan = res.data.oldziduan;
     this.oldziduanvalue = res.data.oldziduanvalue;
})

methods 

                  querySearch(queryString, cb) {
                    var oldtitle = this.oldtitle;
                    var results = oldtitle //queryString ? oldtitle.filter(this.createFilter(queryString)) : oldtitle;
                    // 调用 callback 返回建议列表的数据
                    cb(results);
                  },
                  querySearch2(queryString, cb) {
                    var oldziduan = this.oldziduan;
                    var results = oldziduan //queryString ? oldziduan.filter(this.createFilter(queryString)) : oldziduan;
                    // 调用 callback 返回建议列表的数据
                    cb(results);
                  },

                  querySearch3(queryString, cb) {
                    var oldziduanvalue = this.oldziduanvalue;
                    var results = oldziduanvalue //queryString ? oldziduanvalue.filter(this.createFilter(queryString)) : oldziduanvalue;
                    // 调用 callback 返回建议列表的数据
                    cb(results);
                  },
                  createFilter(queryString) {
                    return (restaurant) => {
                      return (restaurant.value.toLowerCase().indexOf(queryString.toLowerCase()) === 0);
                    };
                  },
                  handleSelect(item) {
                    console.log(item);
                  },
                  handleIconClick(ev) {
                    console.log(ev);

                  }