使用POJO作为参数

web.xml

     
       
                
         
                   
       
        HiddenHttpMethodFilter
                      
       
        org.springframework.web.filter.HiddenHttpMethodFilter
             
         
                     
       
        HiddenHttpMethodFilter
                      
                      
       
        /*
          
         
                  
                    
       
        springDispatcherServlet
                     
       
        org.springframework.web.servlet.DispatcherServlet
                     
                          
                             
        
         contextConfigLocation
                              
        
         classpath:springmvc.xml
                      
                     
                                   
                 
       
        1
                 
                          
                
                     
       
        springDispatcherServlet
                     
                     
       
        /
                 
        
          
       
        index.jsp
         
      
     

springmvc.xml

实体类代码：

User.java

package com.springmvc.entity;public class User {                    private String username;                private String password;                private String email;                private int age;                private Address address;                                public String getUsername() {                    return username;                }                public void setUsername(String username) {                    this.username = username;                }                public String getPassword() {                    return password;                }                public void setPassword(String password) {                    this.password = password;                }                public String getEmail() {                    return email;                }                public void setEmail(String email) {                    this.email = email;                }                public int getAge() {                    return age;                }                public void setAge(int age) {                    this.age = age;                }                public Address getAddress() {                    return address;                }                public void setAddress(Address address) {                    this.address = address;                }                @Override                public String toString() {                    return "User [username=" + username + ", password="                            + password + ", email=" + email + ", age=" + age                            + ", address=" + address + "]";                }                                                                }

Address.java

package com.springmvc.entity;public class Address {            private String province;    private String city;    public String getProvince() {        return province;    }    public void setProvince(String province) {        this.province = province;    }    public String getCity() {        return city;    }    public void setCity(String city) {        this.city = city;    }    @Override    public String toString() {        return "Address [province=" + province + ", city=" + city + "]";    }    }

Pojo.java

package como.springmvc.handlers; import java.io.IOException; import java.io.Writer; import javax.servlet.http.*; import org.springframework.stereotype.Controller; import org.springframework.web.bind.annotation.RequestMapping; import com.springmvc.entity.User; @Controller @RequestMapping("/Pojo") public class Pojo {
             /*      * SpringMVC会按请求参数名和POJO属性名进行自动匹配      * 自动为该对象填充属性，支持级联属性      * 如：dept.deptId、dept.address.tel           * */                  @RequestMapping("/testPojo")             public String testPojo(User user){
                        System.out.println("testPojo"+user);                                  return "success";                              }          /*      * 可以使用Servlet原生的API作为目标方法的参数，具体支持一下类型      * HttpServletRequest      * HttpServletResponse      * HttpSession      * java.security.Principal      * Locale InputStream      * OutputStream      * Reader      * Writer           * */          @RequestMapping("/testServletAPI")             public void testServletAPI(HttpServletRequest request,                     HttpServletResponse response,Writer out) throws IOException{
                            System.out.println("testServletAPI,"+request+","+response);                         out.write("hello");                 //return "success";                              } }

pojo.jsp

<%@ page language="java" import="java.util.*" pageEncoding="UTF-8"%> <% String path = request.getContextPath(); String basePath = request.getScheme()+"://"+request.getServerName()+":"+request.getServerPort()+path+"/"; %>                              
          
          
              
          
                     
     
      
           username:
      
      
           password:
      
      
           email:
      
      
           age:
      
      
           
                 city:
      
      
           province:
      
      
           
           
     
               Test ServletAPI    

success.jsp

<%@ page language="java" import="java.util.*" pageEncoding="UTF-8"  isErrorPage="true"%><%String path = request.getContextPath();String basePath = request.getScheme()+"://"+request.getServerName()+":"+request.getServerPort()+path+"/";%>                      
         
         
             
         
         
              success page.