解决angular2 获取到的数据无法实时更新的问题

 getPageList(){    //this.postMapJson 输入数据    this.netUserAnalyzeService.getCityOrRegionOrgUserList(JSON.stringify(this.postMapJson))    .then((res:any)=>{      var list =res.data.list;              var resList =this.netUserAnalyzeService.list(list);        this.orgLists = resList;        this.orgFirstId = res.data.list[0].organizationId;        this.pageParams.totalItems = res.data.page["totalResult"];            this.changeDetectorRef.markForCheck();      this.changeDetectorRef.detectChanges();    },error => this.errorMessage = error)  }

import {ChangeDetectorRef} from '@angular/core';

 constructor(    private changeDetectorRef:ChangeDetectorRef  ){}