spring boot——参数传递——设置请求方式——参数校验——示例

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：

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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.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;
    }
 
 
 
}