Java +Tomcat + SpringMVC实现页面访问示例解析
window7下Java环境安装记录：
一、安装Tomcat
1、下载tomcat 7.0，解压，无需安装，放置到目录：D:apache-tomcat-7.0.90。2、配置系统环境变量，CATALINA_BASE=D:apache-tomcat-7.0.90，CATALINA_HOME=D:apache-tomcat-7.0.90，在Path中新增“%CATALINA_HOME%lib;%CATALINA_HOME%bin”的环境变量。3、进入D:apache-tomcat-7.0.90bin，执行startup启动tomcat,浏览器中输入“127.0.0.1:8080”即可查看是否成功。
二、使用SpringMVC搭建页面
1、使用Idea创建SpringMVC工程，webAppTest2
2、修改web/WEB-INF/web.xml的url规则为接受所有
<?xml version='1.0' encoding='UTF-8'?><web-app xmlns='http://xmlns.jcp.org/xml/ns/javaee' xmlns:xsi='http://www.w3.org/2001/XMLSchema-instance' xsi:schemaLocation='http://xmlns.jcp.org/xml/ns/javaee http://xmlns.jcp.org/xml/ns/javaee/web-app_4_0.xsd' version='4.0'> <context-param> <param-name>contextConfigLocation</param-name> <param-value>/WEB-INF/applicationContext.xml</param-value> </context-param> <listener> <listener-class>org.springframework.web.context.ContextLoaderListener</listener-class> </listener> <servlet> <servlet-name>dispatcher</servlet-name> <servlet-class>org.springframework.web.servlet.DispatcherServlet</servlet-class> <init-param> <param-name>contextConfigLocation</param-name> <param-value>classpath:dispatcher-servlet.xml</param-value> </init-param> </servlet> <servlet-mapping> <servlet-name>dispatcher</servlet-name> <url-pattern>/</url-pattern> </servlet-mapping></web-app>
3、在src下创建dispatcher-servlet.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: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-4.1.xsd http://www.springframework.org/schema/mvc http://www.springframework.org/schema/mvc/spring-mvc-4.1.xsd'> <!-- scan the package and the sub package --> <context:component-scan base-package='test'/> <!-- don’t handle the static resource --> <mvc:default-servlet-handler /> <!-- if you use annotation you must configure following setting --> <mvc:annotation-driven /> <!-- configure the InternalResourceViewResolver --> <bean id='internalResourceViewResolver'> <!-- 前缀 --> <property name='prefix' value='/WEB-INF/jsp/' /> <!-- 后缀 --> <property name='suffix' value='.jsp' /> </bean></beans>
4、在src下创建test目录，目录下同时创建MyController文件
package test;import org.springframework.stereotype.Controller;import org.springframework.web.bind.annotation.RequestMapping;@Controller@RequestMapping('/mvc')public class MyController { @RequestMapping('/hello') public String hello(){return 'hello'; }}
5、在web/WEB-INF下创建classes和lib文件夹，用来设置编译的.class文件目录和第三方依赖包目录。
6、web/WEB-INF/下创建jsp目录，并在目录下创建hello.jsp
<%@ page contentType='text/html;charset=UTF-8' language='java' %><html><head> <title>Title</title></head><body>Hello world!!!!</body></html>
7、打war包Build-->Build Artifacts,包名webAppTest2,放到D:apache-tomcat-7.0.90webapps目录下。
8、重启tomcat,访问http://127.0.0.1:8080/webAppTest2/mvc/hello 即可。
9、也可以设置Idea内置Tomcat，直接Idea内启动浏览器
10、省略工程名，直接访问即可
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