请求成功后放回的json字符串

/**
 * 统一返回对象 封装
 *
 * @author SuperMudada
 * @ClassName ResponseData
 * @Created-Date: 2017/12/20
 */
public class ResponseData implements Serializable {

 ???private Object data;
 ???private String msg;
 ???private int code;


 ???public ResponseData(CodeEnums enums) {
 ???????this.msg = enums.getMessage();
 ???????this.code = enums.getCode();
 ???}

 ???public ResponseData() {
 ???}


 ???public ResponseData(CodeEnums enums, Object data) {
 ???????this.data = data;
 ???????this.msg = enums.getMessage();
 ???????this.code = enums.getCode();
 ???}

 ???public ResponseData ReturnSuccess(Object data) {
 ???????this.data = data;
 ???????this.msg = CodeEnums.SUCCESS.getMessage();
 ???????this.code = CodeEnums.SUCCESS.getCode();
 ???????return this;
 ???}

 ???public ResponseData ReturnSuccess() {
 ???????this.data = null;
 ???????this.msg = CodeEnums.SUCCESS.getMessage();
 ???????this.code = CodeEnums.SUCCESS.getCode();
 ???????return this;
 ???}

 ???public ResponseData ReturnFail(String message) {
 ???????this.data = null;
 ???????this.msg = message;
 ???????this.code = CodeEnums.INVALID.getCode();
 ???????return this;
 ???}

 ???public ResponseData ReturnError() {
 ???????this.data = null;
 ???????this.msg = CodeEnums.ERROR.getMessage();
 ???????this.code = CodeEnums.ERROR.getCode();
 ???????return this;
 ???}


 ???public Boolean ReturnIsSuccess() {
 ???????return this.code == CodeEnums.SUCCESS.getCode();
 ???}


 ???public Object getData() {
 ???????return data;
 ???}

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

 ???public String getMsg() {
 ???????return msg;
 ???}

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

 ???public int getCode() {
 ???????return code;
 ???}

 ???public void setCode(int code) {
 ???????this.code = code;
 ???}

 ???@Override
 ???public String toString() {
 ???????return "ResponseData{" +
 ???????????????"data=" + data +
 ???????????????", msg=‘" + msg + ‘\‘‘ +
 ???????????????", code=" + code +
 ???????????????‘}‘;
 ???}
}

/**
 * Created by oplus on 2017/6/8.
 */
public class AjaxMessage implements Serializable {

 ???private String state;
 ???private String msg;
 ???private Object data;

 ???public String getState() {
 ???????return state;
 ???}

 ???public void setState(String state) {
 ???????this.state = state;
 ???}

 ???public String getMsg() {
 ???????return msg;
 ???}

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

 ???public Object getData() {
 ???????return data;
 ???}

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

 ???public String toJson() {
 ???????return JSON.toJSONString(this);
 ???}


 ???public static Builder SYS_ERR() {
 ???????return new Builder(ResponseCode.SYS_ERR);
 ???}

 ???public static Builder SUCC() {
 ???????return new Builder(ResponseCode.SUCC);
 ???}


 ???public static Builder ERR(ResponseCode responseCode) {
 ???????return new Builder(responseCode);
 ???}

 ???public static Builder ERR(String state, String msg) {
 ???????return new Builder(state, msg);
 ???}

 ???public static Builder ERR(String msg) {
 ???????return new Builder("00001", msg);
 ???}


 ???public AjaxMessage(Builder builder) {
 ???????this.state = builder.state;
 ???????this.msg = builder.msg;
 ???????this.data = builder.data;
 ???}

 ???public static class Builder {

 ???????private String state;
 ???????private String msg;
 ???????private Object data;

 ???????public Builder(ResponseCode responseCode) {
 ???????????this.state = responseCode.getState();
 ???????????this.msg = responseCode.getMsg();
 ???????}

 ???????public Builder(String state, String msg) {
 ???????????this.state = state;
 ???????????this.msg = msg;
 ???????}


 ???????public Builder code(String state) {
 ???????????this.state = state;
 ???????????return this;
 ???????}

 ???????public Builder message(String msg) {
 ???????????this.msg = msg;
 ???????????return this;
 ???????}

 ???????public Builder data(Object data) {
 ???????????this.data = data;
 ???????????return this;
 ???????}

 ???????public AjaxMessage build() {
 ???????????return new AjaxMessage(this);
 ???????}
 ???}


}