控制器:
package com.awaimai.web;
import org.hibernate.validator.constraints.*;
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.constraints.Size;
import java.util.Enumeration;
@RestController
@Validated
public class kzq
{
@RequestMapping(value="/test4", method=RequestMethod.GET)
public String test4(@Size(min = 2,max = 6,message = "姓名长度必须为2到6")@RequestParam("username") String name)
{
String s = name;
return s;
}
}
web访问:




测试开发进阶——spring boot——MVC——设置请求方式——参数校验——示例
原文:https://www.cnblogs.com/xiaobaibailongma/p/15092415.html