springMVC环境搭建(1)

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2024-08-08 08:36:48 219人阅读

工作一年以来，写的都是.net,最近比较闲，想把之前学过的java相关的东西捡起来，也学点新的东西。以前做过SSH架构，一直好奇spring mvc是怎么样的，所以今天试试看。

总体的代码结构

手动输入地址：http://localhost:8080/SpringMVC01/Login/getLoginPage，运行结果如下

登陆进去后为：

下面是编码过程。

第一步新建一个Dynamic Web Project，名称为:SpringMVC01

修改WEB-INF下面的web.xml文件

<?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">  <display-name>SpringMVC01</display-name>  <servlet>  <servlet-name>springmvc</servlet-name>  <servlet-class>org.springframework.web.servlet.DispatcherServlet</servlet-class>  <load-on-startup>1</load-on-startup>  </servlet>  <servlet-mapping>  <servlet-name>springmvc</servlet-name>  <url-pattern>/</url-pattern>  </servlet-mapping>  <context-param>  <param-name>contextConfigLocation</param-name>  <param-value>/WEB-INF/springmvc-servlet.xml</param-value>  </context-param>  <listener>  <listener-class>org.springframework.web.context.ContextLoaderListener  </listener-class>  </listener></web-app>

注意:

（1）servlet-name为springmvc下，配置的url-servlet值为:/。这样配置后，需要在springmvc-servelt.xml，进行特殊配置，不然js，css等静态文件都访问不到。

（2）注意param-name为contextConfigLocation，配置的param-value值为:springmvc-servlet.xml跟后面新建的文件名要一样，不然tomcat启动会报文件找不到错误。

在WEB-INFO下新建一个文件：springmvc-servlet.xml，配置如下：

<?xml version="1.0" encoding="UTF-8"?><beans xmlns="http://www.springframework.org/schema/beans"    xmlns:mvc="http://www.springframework.org/schema/mvc" xmlns:context="http://www.springframework.org/schema/context"    xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"    xsi:schemaLocation="        http://www.springframework.org/schema/beans        http://www.springframework.org/schema/beans/spring-beans.xsd        http://www.springframework.org/schema/mvc        http://www.springframework.org/schema/mvc/spring-mvc.xsd        http://www.springframework.org/schema/context        http://www.springframework.org/schema/context/spring-context.xsd">    <mvc:annotation-driven />    <context:component-scan base-package="com.amy.controller"></context:component-scan>    <mvc:resources mapping="/js/**" location="/resources/js/"></mvc:resources>    <mvc:resources mapping="/jslib/**" location="/resources/jslib/"></mvc:resources>    <bean        class="org.springframework.web.servlet.view.InternalResourceViewResolver">        <property name="prefix" value="/WEB-INF/jsp/" />        <property name="suffix" value=".jsp" />    </bean></beans>

注意：

（1）mvc:resources 要进行配置，这样静态的js，css文件才可以访问得到。

（2）prefix配置的值为/WEB-INFO/jsp/。

第二步写Controller部分

package com.amy.controller;import java.util.HashMap;import java.util.Map;import org.apache.catalina.connector.Request;import org.springframework.stereotype.Controller;import org.springframework.ui.ModelMap;import org.springframework.web.bind.annotation.RequestMapping;import org.springframework.web.bind.annotation.RequestMethod;import org.springframework.web.bind.annotation.ResponseBody;@Controllerpublic class LoginController {    /**     * 这个请求返回JSP     *      * @param model     * @return     */    @RequestMapping(value = "/Login/getLoginPage", method = RequestMethod.GET)    public String getLoginPage(ModelMap model) {        model.addAttribute("message", "Login Spring MVC Framework!");        return "login/login";    }    /**     * 这个请求返回JSON数据     *      * @return     */    @RequestMapping(value = "/user", produces = "application/json")    @ResponseBody    public Map<String, Object> GetUserInfoJson() {        Map<String, Object> map = new HashMap<String, Object>();        map.put("uid", "950073");        map.put("pwd", "123456");        return map;    }    @RequestMapping(value = "/Login/doLogin", method = RequestMethod.POST)    public String doLogin(String userName, String userPwd, ModelMap model) {        if (userName.equals("amy") && userPwd.equals("111111")) {            model.addAttribute("userName", userName);            return "home/HelloWorld";        } else {            model.addAttribute("tips", "您输入的用户名或密码有误");            return "login/login";        }    }}

以进入登录界面为例子。浏览器输入地址：http://localhost:8080/SpringMVC01/Login/getLoginPage，进入到方法：getLoginPage中，去找地址：login/login。由于springmvc-serlvet.xml中配置了prefix：/WEB-INFO/jsp。因此实际上是访问到

/WEB-INFO/jsp/login/login.jsp。

依赖jar包如下，实际上我不知道要用到哪些，于是我把它们都加进来了。

<?xml version="1.0" encoding="UTF-8"?><classpath>    <classpathentry kind="src" path="src"/>    <classpathentry kind="con" path="org.eclipse.jdt.launching.JRE_CONTAINER/org.eclipse.jdt.internal.debug.ui.launcher.StandardVMType/JavaSE-1.7">        <attributes>            <attribute name="owner.project.facets" value="java"/>        </attributes>    </classpathentry>    <classpathentry kind="con" path="org.eclipse.jst.server.core.container/org.eclipse.jst.server.tomcat.runtimeTarget/Apache Tomcat v8.0">        <attributes>            <attribute name="owner.project.facets" value="jst.web"/>        </attributes>    </classpathentry>    <classpathentry kind="con" path="org.eclipse.jst.j2ee.internal.web.container"/>    <classpathentry kind="con" path="org.eclipse.jst.j2ee.internal.module.container"/>    <classpathentry kind="lib" path="WebRoot/WEB-INF/lib/spring-aop-4.1.2.RELEASE-javadoc.jar"/>    <classpathentry kind="lib" path="WebRoot/WEB-INF/lib/spring-aop-4.1.2.RELEASE-sources.jar"/>    <classpathentry kind="lib" path="WebRoot/WEB-INF/lib/spring-aop-4.1.2.RELEASE.jar"/>    <classpathentry kind="lib" path="WebRoot/WEB-INF/lib/spring-aspects-4.1.2.RELEASE-javadoc.jar"/>    <classpathentry kind="lib" path="WebRoot/WEB-INF/lib/spring-aspects-4.1.2.RELEASE-sources.jar"/>    <classpathentry kind="lib" path="WebRoot/WEB-INF/lib/spring-aspects-4.1.2.RELEASE.jar"/>    <classpathentry kind="lib" path="WebRoot/WEB-INF/lib/spring-beans-4.1.2.RELEASE-javadoc.jar"/>    <classpathentry kind="lib" path="WebRoot/WEB-INF/lib/spring-beans-4.1.2.RELEASE-sources.jar"/>    <classpathentry kind="lib" path="WebRoot/WEB-INF/lib/spring-beans-4.1.2.RELEASE.jar"/>    <classpathentry kind="lib" path="WebRoot/WEB-INF/lib/spring-context-4.1.2.RELEASE-javadoc.jar"/>    <classpathentry kind="lib" path="WebRoot/WEB-INF/lib/spring-context-4.1.2.RELEASE-sources.jar"/>    <classpathentry kind="lib" path="WebRoot/WEB-INF/lib/spring-context-4.1.2.RELEASE.jar"/>    <classpathentry kind="lib" path="WebRoot/WEB-INF/lib/spring-context-support-4.1.2.RELEASE-javadoc.jar"/>    <classpathentry kind="lib" path="WebRoot/WEB-INF/lib/spring-context-support-4.1.2.RELEASE-sources.jar"/>    <classpathentry kind="lib" path="WebRoot/WEB-INF/lib/spring-context-support-4.1.2.RELEASE.jar"/>    <classpathentry kind="lib" path="WebRoot/WEB-INF/lib/spring-core-4.1.2.RELEASE-javadoc.jar"/>    <classpathentry kind="lib" path="WebRoot/WEB-INF/lib/spring-core-4.1.2.RELEASE-sources.jar"/>    <classpathentry kind="lib" path="WebRoot/WEB-INF/lib/spring-core-4.1.2.RELEASE.jar"/>    <classpathentry kind="lib" path="WebRoot/WEB-INF/lib/spring-expression-4.1.2.RELEASE-javadoc.jar"/>    <classpathentry kind="lib" path="WebRoot/WEB-INF/lib/spring-expression-4.1.2.RELEASE-sources.jar"/>    <classpathentry kind="lib" path="WebRoot/WEB-INF/lib/spring-expression-4.1.2.RELEASE.jar"/>    <classpathentry kind="lib" path="WebRoot/WEB-INF/lib/spring-instrument-4.1.2.RELEASE-javadoc.jar"/>    <classpathentry kind="lib" path="WebRoot/WEB-INF/lib/spring-instrument-4.1.2.RELEASE-sources.jar"/>    <classpathentry kind="lib" path="WebRoot/WEB-INF/lib/spring-instrument-4.1.2.RELEASE.jar"/>    <classpathentry kind="lib" path="WebRoot/WEB-INF/lib/spring-instrument-tomcat-4.1.2.RELEASE-javadoc.jar"/>    <classpathentry kind="lib" path="WebRoot/WEB-INF/lib/spring-instrument-tomcat-4.1.2.RELEASE-sources.jar"/>    <classpathentry kind="lib" path="WebRoot/WEB-INF/lib/spring-instrument-tomcat-4.1.2.RELEASE.jar"/>    <classpathentry kind="lib" path="WebRoot/WEB-INF/lib/spring-jdbc-4.1.2.RELEASE-javadoc.jar"/>    <classpathentry kind="lib" path="WebRoot/WEB-INF/lib/spring-jdbc-4.1.2.RELEASE-sources.jar"/>    <classpathentry kind="lib" path="WebRoot/WEB-INF/lib/spring-jdbc-4.1.2.RELEASE.jar"/>    <classpathentry kind="lib" path="WebRoot/WEB-INF/lib/spring-jms-4.1.2.RELEASE-javadoc.jar"/>    <classpathentry kind="lib" path="WebRoot/WEB-INF/lib/spring-jms-4.1.2.RELEASE-sources.jar"/>    <classpathentry kind="lib" path="WebRoot/WEB-INF/lib/spring-jms-4.1.2.RELEASE.jar"/>    <classpathentry kind="lib" path="WebRoot/WEB-INF/lib/spring-messaging-4.1.2.RELEASE-javadoc.jar"/>    <classpathentry kind="lib" path="WebRoot/WEB-INF/lib/spring-messaging-4.1.2.RELEASE-sources.jar"/>    <classpathentry kind="lib" path="WebRoot/WEB-INF/lib/spring-messaging-4.1.2.RELEASE.jar"/>    <classpathentry kind="lib" path="WebRoot/WEB-INF/lib/spring-orm-4.1.2.RELEASE-javadoc.jar"/>    <classpathentry kind="lib" path="WebRoot/WEB-INF/lib/spring-orm-4.1.2.RELEASE-sources.jar"/>    <classpathentry kind="lib" path="WebRoot/WEB-INF/lib/spring-orm-4.1.2.RELEASE.jar"/>    <classpathentry kind="lib" path="WebRoot/WEB-INF/lib/spring-oxm-4.1.2.RELEASE-javadoc.jar"/>    <classpathentry kind="lib" path="WebRoot/WEB-INF/lib/spring-oxm-4.1.2.RELEASE-sources.jar"/>    <classpathentry kind="lib" path="WebRoot/WEB-INF/lib/spring-oxm-4.1.2.RELEASE.jar"/>    <classpathentry kind="lib" path="WebRoot/WEB-INF/lib/spring-test-4.1.2.RELEASE-javadoc.jar"/>    <classpathentry kind="lib" path="WebRoot/WEB-INF/lib/spring-test-4.1.2.RELEASE-sources.jar"/>    <classpathentry kind="lib" path="WebRoot/WEB-INF/lib/spring-test-4.1.2.RELEASE.jar"/>    <classpathentry kind="lib" path="WebRoot/WEB-INF/lib/spring-tx-4.1.2.RELEASE-javadoc.jar"/>    <classpathentry kind="lib" path="WebRoot/WEB-INF/lib/spring-tx-4.1.2.RELEASE-sources.jar"/>    <classpathentry kind="lib" path="WebRoot/WEB-INF/lib/spring-tx-4.1.2.RELEASE.jar"/>    <classpathentry kind="lib" path="WebRoot/WEB-INF/lib/spring-web-4.1.2.RELEASE-javadoc.jar"/>    <classpathentry kind="lib" path="WebRoot/WEB-INF/lib/spring-web-4.1.2.RELEASE-sources.jar"/>    <classpathentry kind="lib" path="WebRoot/WEB-INF/lib/spring-web-4.1.2.RELEASE.jar"/>    <classpathentry kind="lib" path="WebRoot/WEB-INF/lib/spring-webmvc-4.1.2.RELEASE-javadoc.jar"/>    <classpathentry kind="lib" path="WebRoot/WEB-INF/lib/spring-webmvc-4.1.2.RELEASE-sources.jar"/>    <classpathentry kind="lib" path="WebRoot/WEB-INF/lib/spring-webmvc-4.1.2.RELEASE.jar"/>    <classpathentry kind="lib" path="WebRoot/WEB-INF/lib/spring-webmvc-portlet-4.1.2.RELEASE-javadoc.jar"/>    <classpathentry kind="lib" path="WebRoot/WEB-INF/lib/spring-webmvc-portlet-4.1.2.RELEASE-sources.jar"/>    <classpathentry kind="lib" path="WebRoot/WEB-INF/lib/spring-webmvc-portlet-4.1.2.RELEASE.jar"/>    <classpathentry kind="lib" path="WebRoot/WEB-INF/lib/commons-beanutils-1.7.0.jar"/><!-- 这个部分是日志部分，如果不加的话，tomcat启动就会报错 -->    <classpathentry kind="lib" path="WebRoot/WEB-INF/lib/commons-collections-3.2.1.jar"/>    <classpathentry kind="lib" path="WebRoot/WEB-INF/lib/commons-httpclient-3.1.jar"/>    <classpathentry kind="lib" path="WebRoot/WEB-INF/lib/commons-lang-2.3.jar"/>    <classpathentry kind="lib" path="WebRoot/WEB-INF/lib/commons-logging-1.1.1.jar"/>    <classpathentry kind="lib" path="WebRoot/WEB-INF/lib/ezmorph-1.0.3.jar"/>    <classpathentry kind="lib" path="WebRoot/WEB-INF/lib/json-lib-2.2.3-jdk15.jar"/>    <classpathentry kind="lib" path="WebRoot/WEB-INF/lib/jstl.jar"/>  <!-- 这部分是一个标签库，新建一个j2EE1.4的java web项目会自动生成，后面用得到 -->    <classpathentry kind="lib" path="WebRoot/WEB-INF/lib/standard.jar"/>    <classpathentry kind="output" path="WebRoot/WEB-INF/classes"/></classpath>

第三步页面部分

<%@ taglib prefix="c" uri="http://java.sun.com/jstl/core"%> <!-- 引入c标签，加载js等静态文件 --><%@ page language="java" import="java.util.*" pageEncoding="UTF-8"%><%    String path = request.getContextPath();    String basePath = request.getScheme() + "://"            + request.getServerName() + ":" + request.getServerPort()            + path + "/";%><!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN"><html><head><base href="<%=basePath%>"><title>My JSP ‘login.jsp‘ starting page</title><meta http-equiv="pragma" content="no-cache"><meta http-equiv="cache-control" content="no-cache"><meta http-equiv="expires" content="0"><meta http-equiv="keywords" content="keyword1,keyword2,keyword3"><meta http-equiv="description" content="This is my page"><script type="text/javascript"    src="<c:url value=http://www.mamicode.com/‘/jslib/jquery-1.7.2.js‘/>"></script><script type="text/javascript" src="<c:url value=http://www.mamicode.com/‘/js/login.js‘/>"></script><!--    <link rel="stylesheet" type="text/css" href="http://www.mamicode.com/styles.css">    --></head><body>    <h2>${message}</h2>    <form action="Login/doLogin" method="post">        <table>            <tr>                <th></th>                <th><input type="hidden" value="12121212" /></th>            </tr>            <tr>                <td></td>                <td><span style="color:red;">${tips}</span></td>            </tr>            <tr>                <td>用户名:</td>                <td><input type="text" name="userName" value="${userName }" /></td>            </tr>            <tr>                <td>密码:</td>                <td><input type="password" name="userPwd" value="${userPwd }" /></td>            </tr>            <tr>                <td></td>                <td><input type="submit" value="登陆" />&nbsp;&nbsp;<input                    type="button" value="重置" onclick="clearLoginInfo();" /></td>            </tr>        </table>    </form></body></html>

js静态文件地址如下。

对应的login.js

/** * 登陆页面 */// 重置登陆信息function clearLoginInfo() {    $("input[type=‘text‘]").val("");    $("input[type=‘password‘]").val("");    $("input[type=‘hidden‘]").val("");}

总结

　　以上东西，都是我百度或者google到的示例写出来的，我看了一下spring的文档，全是英文的，看起来还是有点吃力，感觉还有很多不知道的。不过就上面的东西应该可以解决大部分的问题。不过可能不是最优的。

springMVC环境搭建(1)

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