若依返回对象 R

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/**
 * 响应信息主体
 *
 * @author ruoyi
 */
public class R<T> implements Serializable {
    private static final long serialVersionUID = 1L;
 
    /**
     * 成功
     */
    public static final int SUCCESS = HttpStatus.SUCCESS;
 
    /**
     * 失败
     */
    public static final int FAIL = HttpStatus.ERROR;
 
    private int code;
 
    private String msg;
 
    private T data;
 
    /**
     * 总记录数
     */
    private long total;
 
    public static <T> R<T> ok() {
        return restResult(null, SUCCESS, "操作成功");
    }
 
    public static <T> R<T> ok(T data) {
        return restResult(data, SUCCESS, "操作成功");
    }
 
    public static <T> R<T> ok(T data, String msg) {
        return restResult(data, SUCCESS, msg);
    }
 
    public static <T> R<T> fail() {
        return restResult(null, FAIL, "操作失败");
    }
 
    public static <T> R<T> fail(String msg) {
        return restResult(null, FAIL, msg);
    }
 
    public static <T> R<T> fail(T data) {
        return restResult(data, FAIL, "操作失败");
    }
 
    public static <T> R<T> fail(T data, String msg) {
        return restResult(data, FAIL, msg);
    }
 
    public static <T> R<T> fail(int code, String msg) {
        return restResult(null, code, msg);
    }
 
    private static <T> R<T> restResult(T data, int code, String msg) {
        R<T> apiResult = new R<>();
        apiResult.setCode(code);
        apiResult.setData(data);
        apiResult.setMsg(msg);
        return apiResult;
    }
 
    public int getCode() {
        return code;
    }
 
    public void setCode(int code) {
        this.code = code;
    }
 
    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 static <T> Boolean isError(R<T> ret) {
        return !isSuccess(ret);
    }
 
    public static <T> Boolean isSuccess(R<T> ret) {
        return R.SUCCESS == ret.getCode();
    }
 
    public long getTotal() {
        return total;
    }
 
    public void setTotal(long total) {
        this.total = total;
    }
}

  

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