java file download export

Front Code:

$("#btnExport").click(function(){
                top.$.jBox.confirm("确认要导出房屋信息吗？","系统提示",function(v,h,f){
                    if(v=="ok"){
                        $("#searchForm").attr("action","${ctx}/sys_house_apply/sysHouseApply/exportsd");
                        $("#searchForm").submit();
                    }
                    $("#searchForm").attr("action","${ctx}/sys_house_apply/sysHouseApply/houseList");
                },{buttonsFocus:1});
                top.$('.jbox-body .jbox-icon').css('top','55px');
  })


<input id="btnExport" style="font-size:13px;width: 40px;padding-left: 6px;height: 26px;padding-top: 2.5px;" class="btn btn-primary" type="button" value="导出"/>

　　To export button (id = "btnExport" Bind click method), used here jBox balloon form submission form

 

Background Code:

controller code
 @RequestMapping (value = "exportsd", Method = RequestMethod.POST)
     public String exportproject (SysHouseApply sysHouseApply, the HttpServletRequest Request, // SysHouseApply: foreground objects form the form of 
            the HttpServletResponse Response, RedirectAttributes redirectAttributes) throws Exception {
     
        List <SysHouseApply > = WaitList new new the ArrayList <SysHouseApply> (); // data query need the try { 
             the SimpleDateFormat SIM = new new the SimpleDateFormat ( "the MM-dd-YYYY" ); // time format 
             String fileName = "Demo" + DateUtils.getDate ( "yyyyMMddHHmmss" );
                // exported file name// used to store data derived 
                List <SysHouseApplyException> = exporthistor new new the ArrayList <SysHouseApplyException> (); 
                for ( int I = 0; I <waitList.size (); I ++ ) { 
                    SysHouseApplyException OBJ1 = new new SysHouseApplyException (); 
　　　　　　　　　　　　OBJ1. setHouseId (waitList.get (i) .getHouseId ( )); // query the data set to a file object to be exported 
　　　　　　　　　　　　exporthistor.add (obj1); 
            } 
            new new ExportExcel ( "Housing", SysHouseApplyException. class ). setDataList (exporthistor) .write (response, fileName) .dispose (); // SysHouseApplyException export file objects
             return  null ;
        } The catch (Exception E) { 
            the addMessage (redirectAttributes, "Exporting Housing Fail Fail information:!" + E.getMessage ()); 
        } 
        
        return "redirect:" + Global.getAdminPath () + "/ sys_house_apply / sysHouseApply / houseList? repage " ; // page query connection 
    }

SysHouseApplyException export file object

/**
* 租房信息Entity
*/
public class SysHouseApplyException extends DataEntity<SysHouseApplyException> {

　　private static final long serialVersionUID = 1L;
　　private String houseId;//房屋Id


　　@ExcelField(title="房屋ID", align=2, sort=1)
　　public String getHouseId() {
　　return houseId;
　　}

　　public void setHouseId(String houseId) {
　　this.houseId = houseId;
　　}

}