一、逐个接收
1 import org.springframework.stereotype.Controller;
2 import org.springframework.web.bind.annotation.RequestMapping;
3 import org.springframework.web.servlet.ModelAndView;
4
5 @Controller // 表示当前类是一个处理器
6 @RequestMapping("/test")
7 public class MyController {
8
9 @RequestMapping("/register.do")
10 public ModelAndView doRegister(String name, int age) {
11 // TODO Auto-generated method stub
12
13 System.out.println("name=" + name);
14 System.out.println("age=" + age);
15
16 ModelAndView mv = new ModelAndView();
17 mv.addObject("name", name);
18 mv.addObject("age", age);
19 mv.setViewName("/WEB-INF/jsp/welcome.jsp");
20 return mv;
21 }
22
23 }
MyController
1 <!-- 注册组件扫描器 --> 2 <context:component-scan base-package="com.jmu.handlers"></context:component-scan>
springmvc.xml
1 <%@ page language="java" import="java.util.*" pageEncoding="UTF-8"%>
2 <!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">
3 <%@page isELIgnored="false" %>
4 <html>
5 <head>
6 <title>My JSP ‘index.jsp‘ starting page</title>
7 </head>
8
9 <body>
10 <form action="${pageContext.request.contextPath}/test/register.do"
11 method="post">
12 姓名：<input type="text" name="name"> <br>
13 年龄：<input type="text" name="age"> <br>
14 <input type="submit" value="注册">
15 </form>
16 </body>
17 </html>
index.jsp
1 <body>
2 name=${name}<br>
3 age=${age}<br>
4 </body>
welcome.jsp
二、解决中文乱码问题
在CharacterEncodingFilter中
在web.xml中添加
<filter>
<filter-name>CharacterEncodingFilter</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>
<init-param>
<param-name>forceEncoding</param-name>
<param-value>true</param-value>
</init-param>
</filter>
三、校正请求参数名
四、以对象形式整体接收
1 public class Student {
2 private String name;
3 private int age;
4
5 public String getName() {
6 return name;
7 }
8
9 public void setName(String name) {
10 this.name = name;
11 }
12
13 public int getAge() {
14 return age;
15 }
16
17 public void setAge(int age) {
18 this.age = age;
19 }
20
21 @Override
22 public String toString() {
23 return "Student [name=" + name + ", age=" + age + "]";
24 }
25
26 }
Student
1 import org.springframework.stereotype.Controller;
2 import org.springframework.web.bind.annotation.RequestMapping;
3 import org.springframework.web.servlet.ModelAndView;
4
5 import com.jmu.beans.Student;
6
7 @Controller
8 @RequestMapping("/test")
9 public class MyController {
10
11 @RequestMapping("/register.do")
12 public ModelAndView doRegister(Student student) {
13 System.out.println("name=" + student.getName());
14 System.out.println("age=" + student.getAge());
15
16 ModelAndView mv = new ModelAndView();
17 mv.addObject("student", student);
18 mv.setViewName("/WEB-INF/jsp/welcome.jsp");
19 return mv;
20
21 }
22 }
MyController
1 <beans xmlns="http://www.springframework.org/schema/beans" 2 xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" 3 xmlns:context="http://www.springframework.org/schema/context" 4 xmlns:aop="http://www.springframework.org/schema/aop" 5 xmlns:tx="http://www.springframework.org/schema/tx" 6 xmlns:mvc="http://www.springframework.org/schema/mvc" 7 xsi:schemaLocation="http://www.springframework.org/schema/beans 8 http://www.springframework.org/schema/beans/spring-beans.xsd 9 http://www.springframework.org/schema/context 10 http://www.springframework.org/schema/context/spring-context.xsd 11 http://www.springframework.org/schema/aop 12 http://www.springframework.org/schema/aop/spring-aop.xsd 13 http://www.springframework.org/schema/tx 14 http://www.springframework.org/schema/tx/spring-tx.xsd 15 http://www.springframework.org/schema/mvc 16 http://www.springframework.org/schema/mvc/spring-mvc.xsd"> 17 <!-- 注册组件扫描器 --> 18 <context:component-scan base-package="com.jmu.handlers"></context:component-scan> 19 </beans>
springmvc.xml
1 <?xml version="1.0" encoding="UTF-8"?> 2 <web-app xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns="http://java.sun.com/xml/ns/javaee" 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"> 3 <display-name>02-springmvc-Object</display-name> 4 <filter> 5 <filter-name>CharacterEncodingFilter</filter-name> 6 <filter-class>org.springframework.web.filter.CharacterEncodingFilter</filter-class> 7 <init-param> 8 <param-name>encoding</param-name> 9 <param-value>UTF-8</param-value> 10 </init-param> 11 <init-param> 12 <param-name>forceEncoding</param-name> 13 <param-value>true</param-value> 14 </init-param> 15 </filter> 16 <filter-mapping> 17 <filter-name>CharacterEncodingFilter</filter-name> 18 <url-pattern>/*</url-pattern> 19 </filter-mapping> 20 <servlet> 21 <servlet-name>springMVC</servlet-name> 22 <servlet-class>org.springframework.web.servlet.DispatcherServlet</servlet-class> 23 <init-param> 24 <param-name>contextConfigLocation</param-name> 25 <param-value>classpath:springmvc.xml</param-value> 26 </init-param> 27 <load-on-startup>1</load-on-startup> 28 </servlet> 29 <servlet-mapping> 30 <servlet-name>springMVC</servlet-name> 31 <url-pattern>*.do</url-pattern> 32 </servlet-mapping> 33 <welcome-file-list> 34 <welcome-file>index.jsp</welcome-file> 35 </welcome-file-list> 36 </web-app>
web.xml
1 <%@ page language="java" import="java.util.*" pageEncoding="UTF-8"%>
2 <%
3 String path = request.getContextPath();
4 String basePath = request.getScheme() + "://" + request.getServerName() + ":" + request.getServerPort()
5 + path + "/";
6 %>
7 <%@page isELIgnored="false"%>
8
9 <!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">
10 <html>
11 <head>
12 <base href="<%=basePath%>">
13
14 <title>My JSP ‘index.jsp‘ starting page</title>
15 </head>
16
17 <body>
18 <form action="${pageContext.request.contextPath }/test/register.do"
19 method="post">
20 姓名:<input type="text" name="name" /><br> 年 龄：<input type="text"
21 name="age" /><br> <input type="submit" value="注册" />
22 </form>
23 </body>
24 </html>
index.jsp
1 <%@ page language="java" import="java.util.*" pageEncoding="UTF-8"%>
2 <%
3 String path = request.getContextPath();
4 String basePath = request.getScheme()+"://"+request.getServerName()+":"+request.getServerPort()+path+"/";
5 %>
6 <%@page isELIgnored="false" %>
7 <!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">
8 <html>
9 <head>
10 <base href="<%=basePath%>">
11
12 <title>welcome page</title>
13
14 </head>
15
16 <body>
17 student=${student} <br>
18 </body>
19 </html>
welcome
五、域属性参数的接收
域属性参数，即对象属性，当请求参数中的数据为某类对象域属性的属性值时，要求请求参数名为“域属性名.属性”。
1 public class School {
2 private String sname;
3 private String address;
4
5 public String getSname() {
6 return sname;
7 }
8
9 public void setSname(String sname) {
10 this.sname = sname;
11 }
12
13 public String getAddress() {
14 return address;
15 }
16
17 public void setAddress(String address) {
18 this.address = address;
19 }
20
21 @Override
22 public String toString() {
23 return "School [sname=" + sname + ", address=" + address + "]";
24 }
25
26
27
28 }
School
六、路径变量
原文地址：https://www.cnblogs.com/hoje/p/8556036.html
时间： 2024-10-06 21:17:46