JAVA错误类结果类和分页结果类代码详解

这篇文章主要介绍了JAVA错误类结果类和分页结果类代码详解,文中通过示例代码介绍的非常详细，对大家的学习或者工作具有一定的参考学习价值,需要的朋友可以参考下

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代码如下

public interface ErrorCode {
  String getCode();

  String getMsg();

  /**
   * 公共错误码

   * 码段：10000~10099
   * 
   * 
   */
  public enum CommonError implements ErrorCode {

    SUCCESS("0", "success"),
    UNKNOWN_ERROR("10000", "未知错误"),
    SYSTEM_ERROR("10001", "系统内部处理异常[%s]"),
    REQUEST_ERROR("10002", "请求地址或参数错误"),
    DB_PROCESS_FAILED("10003", "数据库处理失败"),
    DATA_NOT_FOUND("10004", "数据不存在"),
    PARAM_REQUIRED("10005", "参数为空[%s]");
   

    private String code;
    private String msg;

    private CommonError(String code, String msg) {
      this.code = code;
      this.msg = msg;
    }

    @Override
    public String getCode() {
      return this.code;
    }

    @Override
    public String getMsg() {
      return this.msg;
    }

    public ErrorCode setParams(Object... params) {
      this.msg = String.format(this.msg, params);
      return this;
    }
  }

  /**
   * 接口错误码

   * 码段：10100~10199
   * 
   */
  public enum ApiError implements ErrorCode {
    REQUEST_EMPTY("10100", "请求数据为空"), 
    API_NOT_EXISTS("10102", "接口不存在");

    private String code;
    private String msg;

    private ApiError(String code, String msg) {
      this.code = code;
      this.msg = msg;
    }

    @Override
    public String getCode() {
      return this.code;
    }

    @Override
    public String getMsg() {
      return this.msg;
    }
  }
}

ErrorCode error = CommonError.SYSTEM_ERROR.setParams(e.getCause().getMessage());

Result:

public class Result {
  public static final String SUCCESS = "0";
  public static final String SCUCESS_MSG = "success";

  private String result = SUCCESS;
  private String msg = SCUCESS_MSG;
  private T data;

  public Result() {}

  public Result(ErrorCode error, Object... msgParams) {
    this.setError(error, msgParams);
  }

  public Result(ErrorCode error) {
    this.setError(error);
  }

  public void setError(ErrorCode error, Object... msgParams) {
    this.result = error.getCode();
    this.msg = error.getMsg();
    if (msgParams != null && msgParams.length > 0) {
      this.msg = String.format(msg, msgParams);
    }
  }

  public void setError(ErrorCode error) {
    this.setError(error, new Object[] {});
  }

  public String getResult() {
    return result;
  }

  public void setResult(String result) {
    this.result = result;
  }

  public String getMsg() {
    return msg;
  }

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

  public T getData() {
    return data;
  }

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

  public boolean isSuccess() {
    return SUCCESS.equals(result);
  }

  @Override
  public String toString() {
    return "Result [result=" + result + ", msg=" + msg + ", data=" + data + "]";
  }

}

PageResult:

public class PageResult {
  public static final String SUCCESS = "0";
  public static final String SCUCESS_MSG = "success";

  private String result = SUCCESS;
  private String msg = SCUCESS_MSG;
  private Integer total = 0;
  private List rows = new ArrayList<>();

  public PageResult() {}

  public PageResult(ErrorCode error, Object... msgParams) {
    this.setError(error, msgParams);
  }

  public PageResult(ErrorCode error) {
    this.setError(error);
  }

  public String getResult() {
    return result;
  }

  public void setResult(String result) {
    this.result = result;
  }

  public String getMsg() {
    return msg;
  }

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

  public Integer getTotal() {
    return total;
  }

  public void setTotal(Integer total) {
    this.total = total;
  }

  public List getRows() {
    return rows;
  }

  public void setRows(List rows) {
    this.rows = rows;
  }

  public void setError(ErrorCode error, Object... msgParams) {
    this.result = error.getCode();
    this.msg = error.getMsg();
    if (msgParams != null && msgParams.length > 0) {
      this.msg = String.format(msg, msgParams);
    }
  }

  public void setError(ErrorCode error) {
    this.setError(error, new Object[] {});
  }

  public boolean isSuccess() {
    return SUCCESS.equals(result);
  }
}

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