@RequestParam Annotation 사용(value, required, defaultValue)[실습]

 

package spring.mvc.controller;

import java.util.HashMap;

import org.springframework.stereotype.Controller;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.RequestParam;
import org.springframework.web.servlet.ModelAndView;

@Controller
public class ParameterTestController {
 @RequestMapping("/requestParam1.do")
 public ModelAndView requestParamTest1(@RequestParam(required=true)String id,
   @RequestParam(required=true, defaultValue="no name")String name, int age){
  System.out.println(id+", "+name+", "+age);
  HashMap map = new HashMap();
  map.put("id", id);
  map.put("name", name);
  map.put("age", age);
  return new ModelAndView("param_res", map);
 }
}

 

package spring.mvc.dto;

public class AddressDTO {

 private String zipcode;
 private String address;
 public AddressDTO() {
  super();
  // TODO Auto-generated constructor stub
 }
 public AddressDTO(String zipcode, String address) {
  super();
  this.zipcode = zipcode;
  this.address = address;
 }
 public String getZipcode() {
  return zipcode;
 }
 public void setZipcode(String zipcode) {
  this.zipcode = zipcode;
 }
 public String getAddress() {
  return address;
 }
 public void setAddress(String address) {
  this.address = address;
 }
 @Override
 public String toString() {
  return "AddressDTO [zipcode=" + zipcode + ", address=" + address + "]";
 }
 @Override
 public int hashCode() {
  final int prime = 31;
  int result = 1;
  result = prime * result + ((address == null) ? 0 : address.hashCode());
  result = prime * result + ((zipcode == null) ? 0 : zipcode.hashCode());
  return result;
 }
 @Override
 public boolean equals(Object obj) {
  if (this == obj)
   return true;
  if (obj == null)
   return false;
  if (getClass() != obj.getClass())
   return false;
  AddressDTO other = (AddressDTO) obj;
  if (address == null) {
   if (other.address != null)
    return false;
  } else if (!address.equals(other.address))
   return false;
  if (zipcode == null) {
   if (other.zipcode != null)
    return false;
  } else if (!zipcode.equals(other.zipcode))
   return false;
  return true;
 } 
 
}

 

package spring.mvc.dto;

public class CustomerDTO {
 private String id;
 private String name;
 private int age;
 private AddressDTO addressDTO;
 public CustomerDTO() {
  super();
  // TODO Auto-generated constructor stub
 }
 public CustomerDTO(String id, String name, int age, AddressDTO addressDTO) {
  super();
  this.id = id;
  this.name = name;
  this.age = age;
  this.addressDTO = addressDTO;
 }
 public String getId() {
  return id;
 }
 public void setId(String id) {
  this.id = id;
 }
 public String getName() {
  return name;
 }
 public void setName(String name) {
  this.name = name;
 }
 public int getAge() {
  return age;
 }
 public void setAge(int age) {
  this.age = age;
 }
 public AddressDTO getAddressDTO() {
  return addressDTO;
 }
 public void setAddressDTO(AddressDTO addressDTO) {
  this.addressDTO = addressDTO;
 }
 @Override
 public String toString() {
  return "CustomerDTO [id=" + id + ", name=" + name + ", age=" + age
    + ", addressDTO=" + addressDTO + "]";
 }
 @Override
 public int hashCode() {
  final int prime = 31;
  int result = 1;
  result = prime * result
    + ((addressDTO == null) ? 0 : addressDTO.hashCode());
  result = prime * result + age;
  result = prime * result + ((id == null) ? 0 : id.hashCode());
  result = prime * result + ((name == null) ? 0 : name.hashCode());
  return result;
 }
 @Override
 public boolean equals(Object obj) {
  if (this == obj)
   return true;
  if (obj == null)
   return false;
  if (getClass() != obj.getClass())
   return false;
  CustomerDTO other = (CustomerDTO) obj;
  if (addressDTO == null) {
   if (other.addressDTO != null)
    return false;
  } else if (!addressDTO.equals(other.addressDTO))
   return false;
  if (age != other.age)
   return false;
  if (id == null) {
   if (other.id != null)
    return false;
  } else if (!id.equals(other.id))
   return false;
  if (name == null) {
   if (other.name != null)
    return false;
  } else if (!name.equals(other.name))
   return false;
  return true;
 }

 
 
 
}

 

<%@ page language="java" contentType="text/html; charset=UTF-8"
    pageEncoding="UTF-8"%>
<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd">
<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=UTF-8">
<title>Insert title here</title>
</head>
<body>
${requestScope.id }-${requestScope.name }-${requestScope.age }
</body>
</html>

 

<?xml version="1.0" encoding="UTF-8"?>
<beans xmlns="http://www.springframework.org/schema/beans"
 xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
 xsi:schemaLocation="http://www.springframework.org/schema/beans http://www.springframework.org/schema/beans/spring-beans-3.0.xsd">

 <!-- Annotation기반이라 HandlerMapping 빈 생략 DefaultAnnotationHandlerMapping이 자동으로 잡힘 -->

 <!-- ViewResolver 빈 등록(id는 아무거나 넣어도 알아서 찾음) -->
 <bean id="viewResolver" class="org.springframework.web.servlet.view.InternalResourceViewResolver">
  <property name="prefix" value="/jsp/"/>
  <property name="suffix" value=".jsp"/>
 </bean>
 <!-- controller class를 빈으로 등록 -->
 <bean name="helloController" class="spring.mvc.controller.HelloController"/>
 <bean class="spring.mvc.controller.CustomerRegisterController"/>
 <bean class="spring.mvc.controller.ParameterTestController"/>
</beans>

 

<?xml version="1.0" encoding="UTF-8"?>
<web-app xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns="http://java.sun.com/xml/ns/javaee" xmlns:web="http://java.sun.com/xml/ns/javaee/web-app_2_5.xsd" xsi:schemaLocation="http://java.sun.com/xml/ns/javaee http://java.sun.com/xml/ns/javaee/web-app_2_5.xsd" id="WebApp_ID" version="2.5">
 <!-- DispatcherServlet 등록(front controller) -->
 <servlet>
  <servlet-name>dispatcher</servlet-name>
  <servlet-class>
   org.springframework.web.servlet.DispatcherServlet
  </servlet-class>
  <load-on-startup>1</load-on-startup>
 </servlet>
  <servlet-mapping>
   <servlet-name>dispatcher</servlet-name>
   <url-pattern>*.do</url-pattern>
  </servlet-mapping>
  
  <!-- 한글 encoding 처리 -->
  <filter>
   <filter-name>encodingFilter</filter-name>
   <filter-class>
    org.springframework.web.filter.CharacterEncodingFilter
   </filter-class>
   <init-param>
    <param-name>encoding</param-name>
    <param-value>UTF-8</param-value>
   </init-param>
  </filter>
  <filter-mapping>
   <filter-name>encodingFilter</filter-name>
   <url-pattern>/*</url-pattern>
  </filter-mapping>
</web-app>

 

<%@ page language="java" contentType="text/html; charset=UTF-8"
    pageEncoding="UTF-8"%>
<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd">
<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=UTF-8">
<title>Insert title here</title>
</head>
<body>
<a href="requestParam1.do?id=aaa&name=이순신&age=20">
요청파라미터 테스트1
</a><br>
</body>
</html>

 

* 결과보기

aaa, 이순신, 20

 

 

<%@ page language="java" contentType="text/html; charset=UTF-8"
pageEncoding="UTF-8"%>
<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd">
<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=UTF-8">
<title>Insert title here</title>
</head>
<body>
<a href="requestParam1.do?id=aaa&age=20">
요청파라미터 테스트1
</a><br>
</body>
</html>

 

* 결과