spring boot——参数传递——设置请求方式——参数校验——示例

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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;     }       }

　　

 

 

 

 

 

 

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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.Max; import javax.validation.constraints.Min; 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 = 4,message = "姓名长度必须为2到4")@RequestParam("name") String name,             @Min(value = 3,message = "年龄最小为3")@Max(value = 5,message = "年龄最大为5") @RequestParam("age") Integer age)     {         return name+age;     }       }

　　

 

 

 

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