前言
首先说明,博主这里并不是写spring mvc参数校验怎么用,因为网上有一大波的干货好文,不需要博主来提炼了,我这里只记录一个我使用过程中遇到的一个坑
坑如下
项目采用Hibernate-validator来进行验证,Hibernate-validator实现了JSR-303验证框架支持注解风格的验证
代码语言:javascript复制public void test(@Valid ValidateModel validateModel, BindingResult result){
if(result.hasErrors()){
}
}
如上,BindingResult 一定要紧随@Valid实体的后面,是紧随其后,中间不能放其他的参数,其他的参数可以放在后面, 不然校验不通过就会报400的异常,根本就不会进方法体
最后附一个@Valid校验注解详解表供参考
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 |
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 |