pom.xml
<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
<modelVersion>4.0.0</modelVersion>
<groupId>com.monkey1024</groupId>
<artifactId>02mvc</artifactId>
<version>0.0.1-SNAPSHOT</version>
<packaging>war</packaging>
<dependencies>
<dependency>
<groupId>junit</groupId>
<artifactId>junit</artifactId>
<version>3.8.1</version>
<scope>test</scope>
</dependency>
<dependency>
<groupId>javax.servlet</groupId>
<artifactId>javax.servlet-api</artifactId>
<version>3.1.0</version>
</dependency>
<dependency>
<groupId>org.springframework</groupId>
<artifactId>spring-webmvc</artifactId>
<version>5.0.4.RELEASE</version>
</dependency>
</dependencies>
<build>
<!-- 与工程名一致 -->
<finalName>02mvc</finalName>
<plugins>
<!-- 编译插件,指定编译用的的jdk版本 -->
<plugin>
<groupId>org.apache.maven.plugins</groupId>
<artifactId>maven-compiler-plugin</artifactId>
<configuration>
<!-- jdk的版本号 -->
<source>1.8</source>
<target>1.8</target>
<encoding>UTF-8</encoding>
</configuration>
</plugin>
</plugins>
</build>
</project>
web.xml
<?xml version="1.0" encoding="UTF-8"?>
<web-app xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
xmlns="http://xmlns.jcp.org/xml/ns/javaee"
xsi:schemaLocation="http://xmlns.jcp.org/xml/ns/javaee http://xmlns.jcp.org/xml/ns/javaee/web-app_3_1.xsd"
id="WebApp_ID" version="3.1">
<!--方式一:解决静态资源404的问题,将这些静态资源的请求交给DefaultServlet
<servlet-mapping>
<servlet-name>default</servlet-name>
<url-pattern>*.jpg</url-pattern>
</servlet-mapping>
<servlet-mapping>
<servlet-name>default</servlet-name>
<url-pattern>*.png</url-pattern>
</servlet-mapping>
<servlet-mapping>
<servlet-name>default</servlet-name>
<url-pattern>*.js</url-pattern>
</servlet-mapping>
<servlet-mapping>
<servlet-name>default</servlet-name>
<url-pattern>*.css</url-pattern>
</servlet-mapping>
-->
<!-- 字符编码过滤器 -->
<!-- 最好配置在其他过滤器之前,因为过滤器的执行顺序是根据web.xml中的顺序一致 -->
<filter>
<filter-name>characterEncodingFilter</filter-name>
<filter-class>org.springframework.web.filter.CharacterEncodingFilter</filter-class>
<!-- 手动指定字符编码 -->
<init-param>
<!-- 因为当前filter中的成员变量叫做encoding,所以此处必须也写成encoding -->
<param-name>encoding</param-name>
<param-value>utf-8</param-value>
</init-param>
<!-- 强制指定字符编码,即使在request或者response中设置了字符编码,那么也会为其强制使用当前设置的字符编码 -->
<init-param>
<param-name>forceEncoding</param-name>
<param-value>true</param-value>
</init-param>
</filter>
<filter-mapping>
<filter-name>characterEncodingFilter</filter-name>
<url-pattern>/*</url-pattern>
</filter-mapping>
<!-- 注册spring MVC中央控制器 -->
<servlet>
<servlet-name>springMVC</servlet-name>
<!-- spring MVC中的核心控制器 -->
<servlet-class>org.springframework.web.servlet.DispatcherServlet</servlet-class>
<init-param>
<param-name>contextConfigLocation</param-name>
<param-value>classpath:springmvc.xml</param-value>
</init-param>
<load-on-startup>1</load-on-startup>
</servlet>
<servlet-mapping>
<servlet-name>springMVC</servlet-name>
<url-pattern>/</url-pattern>
</servlet-mapping>
</web-app>
springmvc.xml
<?xml version="1.0" encoding="UTF-8"?>
<beans xmlns="http://www.springframework.org/schema/beans"
xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
xmlns:p="http://www.springframework.org/schema/p"
xmlns:context="http://www.springframework.org/schema/context"
xmlns:mvc="http://www.springframework.org/schema/mvc"
xsi:schemaLocation="http://www.springframework.org/schema/beans
http://www.springframework.org/schema/beans/spring-beans.xsd
http://www.springframework.org/schema/context
http://www.springframework.org/schema/context/spring-context.xsd http://www.springframework.org/schema/mvc http://www.springframework.org/schema/mvc/spring-mvc.xsd">
<!-- 如果配置了组件扫描器,并且有静态资源相关配置,需加这个并且,如果没有静态资源相关配置,可以不加 -->
<!-- 注解驱动 -->
<mvc:annotation-driven/>
<!-- 注册组件扫描器 -->
<context:component-scan base-package="com.monkey1024.*"/>
<!-- 方式三:解决静态资源无法访问的问题,添加下面标签即可-->
<!--
mapping:表示对该资源的请求,注意后面是两个*
location:静态资源所在的目录
-->
<mvc:resources mapping="/images/**" location="/images/"/>
<mvc:resources mapping="/css/**" location="/css/"/>
<!-- 视图解释类 需要放在controller上面-->
<bean
class="org.springframework.web.servlet.view.InternalResourceViewResolver">
<property name="prefix" value="/jsp/" />
<property name="suffix" value=".jsp" />
</bean>
<!-- 注册controller,
<bean id="/hello.do" class="com.monkey1024.controller.HelloSpringMVC" />
使用注解之后,就不用这个了 -->
</beans>
Javabean School.java
package com.monkey1024.bean;
/*
* 学校
*/
public class School {
public String getSchoolName() {
return schoolName;
}
public void setSchoolName(String schoolName) {
this.schoolName = schoolName;
}
public String getAddress() {
return address;
}
public void setAddress(String address) {
this.address = address;
}
private String schoolName;
private String address;
}
Javabean Student.java
package com.monkey1024.bean;
public class Student {
private String name;
private int age;
//将school对象作为student中的一个属性,这是一个对象属性
private School school;
public School getSchool(){
return school;
}
public void setSchool(School school){
this.school = school;
}
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;
}
}
StudentController.java
package com.monkey1024.controller;
import org.springframework.stereotype.Controller;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.servlet.ModelAndView;
import com.monkey1024.bean.Student;
/*
* 学生Controller
*/
@Controller
@RequestMapping("/student")
public class StudentController {
@RequestMapping("/add1")
public ModelAndView add1(Student student) throws Exception {
ModelAndView mv = new ModelAndView();
mv.addObject("name", student.getName());
mv.addObject("age", student.getAge());
mv.setViewName("studentInfo");
return mv;
}
@RequestMapping("/add2")
public ModelAndView add2(Student student) throws Exception {
ModelAndView mv = new ModelAndView();
mv.addObject("name", student.getName());
mv.addObject("age", student.getAge());
mv.addObject("schoolName",student.getSchool().getSchoolName());
mv.addObject("address",student.getSchool().getAddress());
mv.setViewName("studentInfo");
return mv;
}
}
addStudent.jsp
<%@ 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>
<title>Insert title here</title>
</head>
<body>
<form method="post" action="/student/add2.do">
姓名:<input type="text" name="name">
<br>
年龄:<input type="text" name="age">
<br>
<!-- 要写成对象属性.属性的方式 -->
学校名称:<input type="text" name="school.schoolName">
<br>
学校地址:<input type="text" name="school.address">
<br>
<input type="submit" value="提交">
</form>
</body>
</html>
studentinfo.jsp
<%@ 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>
<title>Insert title here</title>
</head>
<body>
姓名:${name }
<br>
年龄:${age }
<br>
学校名称:${schoolName }
<br>
学校地址:${address }
</body>
</html>