@JsonSerialize(include =  JsonSerialize.Inclusion.NON_NULL)
//保证序列化json的时候,如果是null的对象,key也会消失
public class ServerResponse<T> implements Serializable {

    private int status;
    private String msg;
    private T data;

    private ServerResponse(int status){
        this.status = status;
    }
    private ServerResponse(int status,T data){
        this.status = status;
        this.data = data;
    }

    private ServerResponse(int status,String msg,T data){
        this.status = status;
        this.msg = msg;
        this.data = data;
    }

    private ServerResponse(int status,String msg){
        this.status = status;
        this.msg = msg;
    }

package com.gcidesign.erp.core.util;

import java.util.List;

/**
 * JSON传输数据模型
 */
public class ReturnMessage implements java.io.Serializable {

	private static final long serialVersionUID = -844345314037130200889L;
	private boolean success = true;// 是否成功
	private boolean isTimeout = false;// 是否超时
	private String msg = "操作成功！";// 提示信息
	private String entityId;

	private Object data; // 返回一些简单或必须的数据
	private List list;
	public String getMsg() {
		return msg;
	}

	public void setMsg(String msg) {
		this.msg = msg;
	}

	public boolean isSuccess() {
		return success;
	}

	public void setSuccess(boolean success) {
		this.success = success;
	}

	public Object getData() {
		return data;
	}

	public void setData(Object data) {
		this.data = data;
	}

	public String getEntityId() {
		return entityId;
	}

	public void setEntityId(String entityId) {
		this.entityId = entityId;
	}

	public boolean isTimeout() {
		return isTimeout;
	}

	public void setTimeout(boolean isTimeout) {
		this.isTimeout = isTimeout;
	}

	public List getList() {
		return list;
	}

	public void setList(List list) {
		this.list = list;
	}

}