各位大神好，請(qǐng)教個(gè)問(wèn)題
1.環(huán)境
spring 4.3.7
hibernate-validator-5.4.1
2.配置如下
<bean id="messageSource"
class="org.springframework.context.support.ReloadableResourceBundleMessageSource" name="messageSource">
<property name="basenames">
<list>
<value>classpath:messages/messages</value>
<value>classpath:messages/ValidationMessages</value>
</list>
</property>
<property name="useCodeAsDefaultMessage" value="false" />
<property name="defaultEncoding" value="UTF-8" />
<property name="cacheSeconds" value="60" />
</bean>
<bean id="validator" class="org.springframework.validation.beanvalidation.LocalValidatorFactoryBean">
<property name="providerClass" value="org.hibernate.validator.HibernateValidator"/>
<property name="validationMessageSource" ref="messageSource"/>
</bean>
<mvc:annotation-driven validator="validator" />
3.bean和Controller
public class UserRequest {
@NotBlank(message = "{login.valid.username.notnull}")
private String username;
@NotBlank(message = "{login.valid.password.notnull}")
private String password;
public String getUsername() {
return username;
}
public void setUsername(String username) {
this.username = username;
}
public String getPassword() {
return password;
}
public void setPassword(String password) {
this.password = password;
}
}
@RequestMapping(value = "/login", method = RequestMethod.POST)
@ResponseBody
public Object login(@Valid @RequestBody UserRequest ur, BindingResult result, HttpServletRequest request) {
log.debug("login");
if(result.hasErrors()) {
return result.getAllErrors().get(0);
}
……
}
問(wèn)題:為什么一定要在代碼中用result.hasErrors()顯示判斷？難道不能驗(yàn)證UserRequest中的字段不符合定義就直接拋異常，這樣不更合理些嗎？
SpringMVC集成hibernate validator進(jìn)行參數(shù)驗(yàn)證時(shí)，為什么不直接拋異常？
BIG陽(yáng)
2019-03-01 10:49:46
