控制器:
package com.awaimai.web;
import org.hibernate.validator.constraints.*;
import org.springframework.validation.BindingResult;
import org.springframework.validation.annotation.Validated;
import org.springframework.web.bind.annotation.*;
import javax.servlet.http.Cookie;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import javax.validation.Valid;
import javax.validation.constraints.Max;
import javax.validation.constraints.Min;
import javax.validation.constraints.Size;
import java.util.Enumeration;
@RestController
@Validated
public class kzq
{
@RequestMapping(value ="/test2")
public String test2( @Valid Student student, BindingResult bindingResult)
{
String a = student.getFirstName();
String b = student.getLastName();
return a+b;
}
}
实体类:
package com.awaimai.web;
import org.springframework.validation.annotation.Validated;
import javax.validation.constraints.NotNull;
import javax.validation.constraints.Size;
public class Student
{
@Size(min = 2,max = 5)
private String firstName;
@NotNull
@Size(min = 2,max = 3)
private String lastName;
public void setFirstName(String firstName)
{
this.firstName = firstName;
}
public String getFirstName()
{
return firstName;
}
public void setLastName(String lastName)
{
this.lastName = lastName;
}
public String getLastName()
{
return lastName;
}
}
postman执行:










本文介绍了一个使用Spring MVC框架结合验证注解进行数据校验的简单示例。该示例通过一个名为kzq的控制器处理/test2路径的请求,并使用@Validated注解确保传入的Student对象符合预设的验证规则。Student实体类包含firstName和lastName两个字段,分别设置了长度限制。通过postman工具可以测试这一验证流程。
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