需要添加Apache commons logging日誌,此處使用的是commons.logging
web.xml中添加如下配置:
<?xml version="1.0" encoding="UTF-8"?>
<web-app version="2.5" 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_2_5.xsd">
<welcome-file-list>
<welcome-file>index.jsp</welcome-file>
</welcome-file-list>
<session-config>
<session-timeout>30</session-timeout>
</session-config>
<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>
<filter-mapping>
<filter-name>CharacterEncodingFilter</filter-name>
<url-pattern>/*</url-pattern>
</filter-mapping>
<servlet>
<servlet-name>dispatcherServlet</servlet-name>
<servlet-class>
org.springframework.web.servlet.DispatcherServlet
</servlet-class>
<init-param>
<param-name>contextConfigLocation</param-name>
<param-value>/WEB-INF/spring/*.xml</param-value>
</init-param>
<load-on-startup>1</load-on-startup>
</servlet>
<servlet-mapping>
<servlet-name>dispatcherServlet</servlet-name>
<url-pattern>*.do</url-pattern>
</servlet-mapping>
</web-app>
以上配置已經增加了由spring提供的編碼過濾器來解決亂碼問題
編寫MVC控制配置文件mvc-config.xml,該文件在WEB-INF的spring文件下,而web.xml中已經配置加載該文件夾下的所有xml文件
<?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"
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">
<!-- prefix和suffix:查找視圖頁面的前綴和後綴(前綴[邏輯視圖名]後綴)
比如傳進來的邏輯視圖名爲hello,則該該jsp視圖頁面應該存放在“WEB-INF/jsp/hello.jsp” -->
<bean
class="org.springframework.web.servlet.view.InternalResourceViewResolver">
<property name="prefix" value="/jsp/" />
<property name="suffix" value=".jsp" />
</bean>
<bean name="/hello.do" class="test.HelloWorldController" />
</beans>
編寫控制的類,該類接受參數,設置該參數爲視圖數據
package test;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import org.springframework.web.servlet.ModelAndView;
import org.springframework.web.servlet.mvc.Controller;
// http://localhost:8080/spring/hello.do?user=java
public class HelloWorldController implements Controller{
public ModelAndView handleRequest(HttpServletRequest request,
HttpServletResponse response) {
ModelAndView mv = new ModelAndView();
// 添加模型數據 可以是任意的POJO對象
mv.addObject("user", request.getParameter("user"));
// 設置邏輯視圖名,視圖解析器會根據該名字解析到具體的視圖頁面
mv.setViewName("hello");
return mv;
}
}
視圖使用JSP,頁面很簡單。在WebRoot下新建文件夾jsp,新建jsp命名爲hello.jsp。
<%@ page language="java" pageEncoding="UTF-8"%>
<html>
<head>
<title>SpringMVC</title>
</head>
<body>
您好,${user }!
</body>
</html>
訪問路徑http://localhost:8080/spring/hello.do?user=java看效果
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