返回结果集Result类

返回数据封装结果集Result类 

public class Result extends HashMap<String, Object> implements Serializable {private static final long serialVersionUID = 64161316464L;public Result() {this.put("code", 0);}public static Result ok() {Result result = new Result();result.put("code", 200);return result;}public static Result error() {return error(500, "系统异常");}public static Result error(String msg) {return error(500, msg);}public static Result error(int code, String msg) {Result result = new Result();result.put("code", code);result.put("msg", msg);return result;}public Result put(Object data) {super.put("data", data);return this;}
}