自定义异常

/**
 * 自定义异常
 */
public class CustomException extends RuntimeException{
    private Integer code;
    private String message;

    CustomException(){}

    CustomException(Integer code, String message ){
        this.code = code;
        this.message = message;
    }

    public Integer getCode() {
        return code;
    }

    public String getMessage() {
        return message;
    }

    public String toString(){
        return "CustomException{code="+code+",message='"+message+"'}";
    }

}