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
  ){}