数据校验框架

public class ObjectRequireEntiry {

    @NotBlank()
    @Name("生日")
    @DateFormat("yyyy-MM-dd")
    private String birthday;    

    @Name("手机号码")
    @Phone
    private String phone;  

    @Name("身高")
    @Max(230)
    @Min(1)
    private Integer stature;        


    @Name("体重")
    @Max(200)
    @Min(1)
    private Integer weight;         
  

    @Name("对象要求")
    @Length(min=0,max=200)
    private String require_back;
    
    get...
    set...
    
}

ValidateResult result = AnnotationValidator.validate(objectRequireEntiry);
if(!result.isValid()){
    map.put("msg",result.getMessage());
    map.put("field",result.getFieldName());
    return map;
}

@ResponseBody
public Object add(@Validate User user){

}

if(field.isAnnotationPresent(Validate.class)){      //判断是否使用了Validate注解
    for (Annotation annotation : field.getDeclaredAnnotations()) {    //获取所有注解
        if(annotation.annotationType().equals(Validate.class) ){      //如果是Validate注解
            ValidateResult result = AnnotationValidator.validate(objectRequireEntiry);
            if(((Validate)annotation).validType() == ValidType.JSON){   
                if(!result.isValid()){  //校验失败
                    //将错误信息以json格式返回给前端
                    map.put("msg",result.getMessage());
                    map.put("field",result.getFieldName());
                }
            }else{
                if(!result.isValid()){  //校验失败
                    //将错误信息保存在qurest作用域中，返回给页面
                    request.setAttribute("msg",result.getMessage());
                    request.setAttribute("field",result.getFieldName());
                }
            }
        }
    }
}