<!-- 配置Spring MVC DispatcherServlet -->
<servlet>
<servlet-name>MVC</servlet-name>
<servlet-class>org.springframework.web.servlet.DispatcherServlet</servlet-class>
<!-- 初始化参数 -->
<init-param>
<!-- 加载SpringMVC的xml到 spring的上下文容器中 -->
<param-name>contextConfigLocation</param-name>
<param-value>
/WEB-INF/classes/mvc*.*
</param-value>
</init-param>
<load-on-startup>1</load-on-startup>
</servlet>
<!-- 配置DispatcherServlet所需要拦截的 url -->
<servlet-mapping>
<servlet-name>MVC</servlet-name>
<url-pattern>*.html</url-pattern>
</servlet-mapping>
<!-- 监听spring上下文容器 -->
<listener>
<listener-class>
org.springframework.web.context.ContextLoaderListener
</listener-class>
</listener>
<!-- 加载spring的xml配置文件到 spring的上下文容器中 -->
<context-param>
<param-name>contextConfigLocation</param-name>
<param-value>classpath:root-context.xml</param-value>
</context-param>
<?xml version="1.0" encoding="UTF-8"?>
<web-app version="3.0" xmlns="http://java.sun.com/xml/ns/javaee"
xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
xsi:schemaLocation="http://java.sun.com/xml/ns/javaee
http://java.sun.com/xml/ns/javaee/web-app_3_0.xsd">
<display-name></display-name>
<!-- 监听spring上下文容器 -->
<listener>
<listener-class>
org.springframework.web.context.ContextLoaderListener
</listener-class>
</listener>
<!-- 加载spring的xml配置文件到 spring的上下文容器中 -->
<context-param>
<param-name>contextConfigLocation</param-name>
<param-value>classpath:root-context.xml</param-value>
</context-param>
<!-- 配置Spring MVC DispatcherServlet -->
<servlet>
<servlet-name>MVC</servlet-name>
<servlet-class>org.springframework.web.servlet.DispatcherServlet</servlet-class>
<!-- 初始化参数 -->
<init-param>
<!-- 加载SpringMVC的xml到 spring的上下文容器中 -->
<param-name>contextConfigLocation</param-name>
<param-value>
/WEB-INF/classes/mvc*.*
</param-value>
</init-param>
<load-on-startup>1</load-on-startup>
</servlet>
<!-- 配置DispatcherServlet所需要拦截的 url -->
<servlet-mapping>
<servlet-name>MVC</servlet-name>
<url-pattern>*.html</url-pattern>
</servlet-mapping>
<welcome-file-list>
<welcome-file>index.html</welcome-file>
</welcome-file-list>
</web-app>
<!-- 加载Spring的全局配置文件 -->
<beans:import resource="root-context.xml" />
<!-- SpringMVC配置 -->
<!-- 通过component-scan 让Spring扫描org.swinglife.controller下的所有的类,让Spring的代码注解生效 -->
<context:component-scan base-package="org.swinglife.controller"></context:component-scan>
<!-- 配置SpringMVC的视图渲染器, 让其前缀为:/page/ 后缀为.jsp 将视图渲染到/page/<method返回值>.jsp中 -->
<beans:bean
class="org.springframework.web.servlet.view.InternalResourceViewResolver"
p:prefix="/page/" p:suffix=".jsp">
</beans:bean>
<?xml version="1.0" encoding="UTF-8"?>
<beans:beans xmlns="http://www.springframework.org/schema/mvc"
xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns:beans="http://www.springframework.org/schema/beans"
xmlns:p="http://www.springframework.org/schema/p" xmlns:aop="http://www.springframework.org/schema/aop"
xmlns:context="http://www.springframework.org/schema/context"
xsi:schemaLocation="http://www.springframework.org/schema/mvc http://www.springframework.org/schema/mvc/spring-mvc.xsd
http://www.springframework.org/schema/aop
http://www.springframework.org/schema/aop/spring-aop-3.2.xsd 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">
<!-- 加载Spring的全局配置文件 -->
<beans:import resource="root-context.xml" />
<!-- SpringMVC配置 -->
<!-- 通过component-scan 让Spring扫描org.swinglife.controller下的所有的类,让Spring的代码注解生效 -->
<context:component-scan base-package="org.swinglife.controller"></context:component-scan>
<!-- 配置SpringMVC的视图渲染器, 让其前缀为:/ 后缀为.jsp 将视图渲染到/page/<method返回值>.jsp中 -->
<beans:bean
class="org.springframework.web.servlet.view.InternalResourceViewResolver"
p:prefix="/page/" p:suffix=".jsp">
</beans:bean>
</beans:beans>
<?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:context="http://www.springframework.org/schema/context"
xsi:schemaLocation="http://www.springframework.org/schema/beans http://www.springframework.org/schema/beans/spring-beans-3.2.xsd
http://www.springframework.org/schema/context
http://www.springframework.org/schema/context/spring-context-3.2.xsd
http://www.springframework.org/schema/tx http://www.springframework.org/schema/tx/spring-tx-3.2.xsd">
<!-- Root Context: defines shared resources visible to all other web components -->
</beans>
@Controller
public class HomeController {
/***
* 首页 返回至/page/home.jsp页面
* @return
*/
@RequestMapping("index")
public ModelAndView index(){
//创建模型跟视图,用于渲染页面。并且指定要返回的页面为home页面
ModelAndView mav = new ModelAndView("home");
return mav;
}
}
<%@ page language="java" contentType="text/html; charset=GB18030" pageEncoding="GB18030"%> <!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=GB18030"> <title>home</title> </head> <body> <h2>spring mvc 实例</h2> </body> </html>
@Controller
public class UserController {
/***
* 用户登陆
* <p>注解配置,只允许POST提交到该方法
* @param username
* @param password
* @return
*/
@RequestMapping(value="login",method=RequestMethod.POST)
public ModelAndView login(String username,String password){
//验证传递过来的参数是否正确,否则返回到登陆页面。
if(this.checkParams(new String[]{username,password})){
//指定要返回的页面为succ.jsp
ModelAndView mav = new ModelAndView("succ");
//将参数返回给页面
mav.addObject("username",username);
mav.addObject("password", password);
return mav;
}
return new ModelAndView("home");
}
/***
* 验证参数是否为空
* @param params
* @return
*/
private boolean checkParams(String[] params){
for(String param:params){
if(param==""||param==null||param.isEmpty()){
return false;
}
}
return true;
}
/***
* 另一种参数传递的形式
* 通过request来处理请求过来的参数。
* @param username
* @param password
* @param request
* @return
*/
@RequestMapping(value="login",method=RequestMethod.POST)
public ModelAndView login(String username,String password,HttpServletRequest request){
request.setAttribute("username", username);
request.setAttribute("password", password);
return new ModelAndView("succ");
}
<body>
<h2>登陆</h2>
username:${username }
<p>
password:${password }
</body>
form:
<form action="login.html" method="post">
username:<input type="text" name="username" />
<p>
password:<input type="password" name="password"/>
<p>
<input type="submit" value="submit" />
</form>
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