Spring Boot & Slf4j & logback 彩色日志打印（功能点：1、分运行环境生成日志文件 2、日志文件目录分类 3、日志文件按日输出）

Spring Boot & 拦截参数 & 全局异常处理 & 统一结果返回

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一、直接在实体类字段上加上注解以拦截

@NotBlank(message = "请输入密码")
@Pattern(regexp = "\\w{6,18}$",message = "账号应为6-18位字符,不含特殊符号，添加失败")
private String userAccount;
@NotBlank(message = "请输入密码")
@Pattern(regexp = "^(?![0-9]+$)(?![a-zA-Z]+$)[0-9A-Za-z]{6,18}$",message = "账号应为6-18位字符,包含数字和字母，不含特殊符号，添加失败")
private String userPwd;

• 常用注解

  注解	适用的数据类型	说明
  @AssertFalse	Boolean, boolean	验证注解的元素值是false
  @AssertTrue	Boolean, boolean	验证注解的元素值是true
  @DecimalMax****（value=x）	BigDecimal, BigInteger, String, byte,short, int, long and the respective wrappers of the primitive types. Additionally supported by HV: any sub-type of Number andCharSequence.	验证注解的元素值小于等于@ DecimalMax指定的value值
  @DecimalMin****（value=x）	BigDecimal, BigInteger, String, byte,short, int, long and the respective wrappers of the primitive types. Additionally supported by HV: any sub-type of Number andCharSequence.	验证注解的元素值小于等于@ DecimalMin指定的value值
  **@Digits(integer=**整数位数, fraction=小数位数)	BigDecimal, BigInteger, String, byte,short, int, long and the respective wrappers of the primitive types. Additionally supported by HV: any sub-type of Number andCharSequence.	验证注解的元素值的整数位数和小数位数上限
  @Future	java.util.Date, java.util.Calendar; Additionally supported by HV, if theJoda Time date/time API is on the class path: any implementations ofReadablePartial andReadableInstant.	验证注解的元素值（日期类型）比当前时间晚
  @Max****（value=x）	BigDecimal, BigInteger, byte, short,int, long and the respective wrappers of the primitive types. Additionally supported by HV: any sub-type ofCharSequence (the numeric value represented by the character sequence is evaluated), any sub-type of Number.	验证注解的元素值小于等于@Max指定的value值
  @Min****（value=x）	BigDecimal, BigInteger, byte, short,int, long and the respective wrappers of the primitive types. Additionally supported by HV: any sub-type of CharSequence (the numeric value represented by the char sequence is evaluated), any sub-type of Number.	验证注解的元素值大于等于@Min指定的value值
  @NotNull	Any type	验证注解的元素值不是null
  @Null	Any type	验证注解的元素值是null
  @Past	java.util.Date, java.util.Calendar; Additionally supported by HV, if theJoda Time date/time API is on the class path: any implementations ofReadablePartial andReadableInstant.	验证注解的元素值（日期类型）比当前时间早
  **@Pattern(regex=**正则表达式, flag=)	String. Additionally supported by HV: any sub-type of CharSequence.	验证注解的元素值与指定的正则表达式匹配
  **@Size(min=**最小值, max=最大值)	String, Collection, Map and arrays. Additionally supported by HV: any sub-type of CharSequence.	验证注解的元素值的在min和max（包含）指定区间之内，如字符长度、集合大小
  @Valid	Any non-primitive type（引用类型）	验证关联的对象，如账户对象里有一个订单对象，指定验证订单对象
  @NotEmpty	CharSequence,Collection, Map and Arrays	验证注解的元素值不为null且不为空（字符串长度不为0、集合大小不为0）
  **@Range(min=**最小值, max=最大值)	CharSequence, Collection, Map and Arrays,BigDecimal, BigInteger, CharSequence, byte, short, int, long and the respective wrappers of the primitive types	验证注解的元素值在最小值和最大值之间
  @NotBlank	CharSequence	验证注解的元素值不为空（不为null、去除首位空格后长度为0），不同于@NotEmpty，@NotBlank只应用于字符串且在比较时会去除字符串的空格
  **@Length(min=**下限, max=上限)	CharSequence	验证注解的元素值长度在min和max区间内
  @Email	CharSequence	验证注解的元素值是Email，也可以通过正则表达式和flag指定自定义的email格式

二、配置拦截成功时的返回信息

• @Valid：表示加入拦截

三、全局异常处理

package com.hbq.cms.config;

/**
 * @author: hbq
 * @description: 统一异常拦截
 * @date: 2017/10/24 10:31
 */
@ControllerAdvice
@ResponseBody
@Slf4j
public class GlobalExceptionHandler {
	/**
	 * 参数校验异常处理
	 */
    @ExceptionHandler(MethodArgumentNotValidException.class)
    public Result handleMethodArgumentNotValid(MethodArgumentNotValidException e) {
        log.error("校验失败：{}\nat：{}", e.getMessage(), Arrays.toString(e.getStackTrace()).replaceAll(",", "\n   "));
        String message = e.getFieldError().getDefaultMessage();
        String errorDetail = message + "(" + e.getFieldError().getField() + ")";
        return Result.failed(errorDetail);
    }

    /**
     * 常规异常处理
     */
    @ExceptionHandler(Throwable.class)
    public Result handleGeneralException(Exception e) {
        log.error("未知异常：{}\nat：{}", e.getMessage(), Arrays.toString(e.getStackTrace()).replaceAll(",", "\n   "));
        return Result.failedWith("", ErrorEnum.E_500.getErrorCode(), ErrorEnum.E_500.getErrorMsg());
    }
}

四、统一异常返回

package com.hbq.cms.common.model;

/**
 * @Author: hbq
 */
@Data
@NoArgsConstructor
@AllArgsConstructor
public class Result<T> implements Serializable {

    private T datas;
    private Integer resp_code;
    private String resp_msg;

    public static <T> Result<T> succeed(String msg) {
        return succeedWith(null, CodeEnum.SUCCESS.getCode(), msg);
    }

    public static <T> Result<T> succeed(T model, String msg) {
        return succeedWith(model, CodeEnum.SUCCESS.getCode(), msg);
    }

    public static <T> Result<T> succeed(T model) {
        return succeedWith(model, CodeEnum.SUCCESS.getCode(), "");
    }

    public static <T> Result<T> succeedWith(T datas, Integer code, String msg) {
        return new Result<>(datas, code, msg);
    }

    public static <T> Result<T> failed(String msg) {
        return failedWith(null, CodeEnum.ERROR.getCode(), msg);
    }

    public static <T> Result<T> failed(T model, String msg) {
        return failedWith(model, CodeEnum.ERROR.getCode(), msg);
    }

    public static <T> Result<T> failedWith(T datas, Integer code, String msg) {
        return new Result<>(datas, code, msg);
    }

}