Json对象转为实体对象

Json对象转为实体对象

1、Bean中申明 trainTypeList：

public class TrainTypeQueryParam implements Serializable {
    private static final long serialVersionUID = 1L;
    private String id;
    private String name;
    private Integer sortIndex;
    private String parentId;
    private Integer corpId;
    private Integer createrId; // 创建人ID
    private Date createTime; // 创建时间
    private Integer modifierId; // 修改人ID
    private Date modifyTime; // 修改时间

    private String orderBy = null;
    private String sortType = "ASC";
    private PageBean pageBean = new PageBean();

    private List<TrainType> trainTypeList = new ArrayList<TrainType>();

    public TrainTypeQueryParam() {

    }

    //getter、setter方法  

}

2、java代码：

    /**
     * @Title: updateSort 
     * @Description: 排序
     * @param @param itemjson
     * @param @param request
     * @param @return
     * @return MessageResp
     * @throws
     */
    @RequestMapping("updateSort")
    @ResponseBody
    public MessageResp updateSort(String itemjson, HttpServletRequest request) {
        
        MessageResp resp = new MessageResp();
        User u = SessionUtils.getUser(request.getSession());
        
        TrainTypeQueryParam params;
        ObjectMapper mapper = new ObjectMapper();
        
        try {
            
            params = mapper.readValue(itemjson,TrainTypeQueryParam.class);//Json对象转为实体对象
            List<TrainType> trainTypeList = params.getTrainTypeList(); 
            
            if(trainTypeList!=null && trainTypeList.size()>0){
                
                for(int i=0;i<trainTypeList.size();i++){
                    TrainType trainType = new TrainType();
                    trainType.setId(trainTypeList.get(i).getId()); //ID
                    trainType.setSortIndex(trainTypeList.get(i).getSortIndex()); //
                    trainType.setParentId(trainTypeList.get(i).getParentId());
                    
                    trainTypeService.update(trainType); //排序
                }
            }
            
            resp.setResult("true");
            resp.setResultDesc("修改成功！");
        } catch (Exception e) {
            resp.setResult("false");
            resp.setResultDesc("修改出错！");
        }
        
        return resp;

    }
    

3、jsp页面传参：

//拖拽大类
    function dragBigData(){
          $(".coursecate_list").sortable({
           stop:function(){
                 var i=0;
                 var itemjson ={trainTypeList:[]};
                 $(".coursecate_list").find("div").each(function(){
                    i++;
                    $(this).attr("data-sortIndex",i);
                    var arr = {
                         "id":$(this).attr("data-id"),
                        "sortIndex":$(this).attr("data-sortIndex")
                    }
                    itemjson.trainTypeList.push(arr); //此处要与Bean中申明list同名
                });
                var param = {itemjson : JSON.stringify(itemjson)};
                $.ajax({
                        url:"${ctx}/td/trainType/updateSort.do ",
                      type:"get",
                      data:param,
                      success:function(data){
                          
                      }
                    });
            }        
                
        }).disableSelection();
    }  
     
    //拖拽小类
    function dragSmallData(){
        $(".coursesmallcate_list").sortable({
            stop:function(){
                 var i=0;
                 var itemjson ={trainTypeList:[]};
                 $(".coursesmallcate_list").find("div").each(function(){
                     i++;
                     $(this).attr("data-sortIndex",i);
                     var arr = {
                         "id":$(this).attr("data-id"),
                         "sortIndex":$(this).attr("data-sortIndex")
                    }
                    itemjson.trainTypeList.push(arr); //此处要与Bean中申明list同名
                });
                var param = {itemjson : JSON.stringify(itemjson)};
                $.ajax({
                        url:"${ctx}/td/trainType/updateSort.do ",
                      type:"get",
                      data:param,
                      success:function(data){
                          
                      }
                    });
            }        
                
        }).disableSelection();
    }