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Maven SpringMVC 项目搭建

 www.zhblog.net  2018-08-29

开发环境介绍

IDE: MyEclipse10
jdk: 1.6+
maven：apache-maven-4

好了，基本环境只要上面这些就行，maven不需要安装，只要有解压包就行。MyEclipse 10有自带的插件，我们只要指定下路径就行。

MyEclipse 10中Maven的配置

打开myeclipse中的 

Window=>Preferences=>Myeclipse=>Maven4Myeclipse

配置jdk，这里我们选择1.7
springmvc1_1.png

配置好maven路径，也就是你之前存放maven解压包的路径
springmvc1_2.png

指定

User Settings
,对应settings.xml以及本地仓库地址，我这边是建在盘，路径为
E:\m2\repository
。
springmvc1_3.png

创建WEB项目

新建一个web项目

springmvc1_4.jpg

配置项目基本信息，项目名，java EE,java版本，其中记得要勾上Add maven support，这样才会生成带有maven的工程。

springmvc1_5.png

创建成功后出正确的项目结构应该是这样,如果不是下图中这样，src下面没有以下这些包也没事，自己创建

src/main/java
,
src/main/resources
,
src/test/java
,
src/test/resources
,然后指定以下这些包为source就行。

springmvc1_6.png

配置需要的安装包

下面列出目前需要用到包，直接在pom.xl里面添加就行

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<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>SpringMVCMybatis</groupId>
  <artifactId>SpringMVCMybatis</artifactId>
  <version>0.0.1-SNAPSHOT</version>
  <packaging>war</packaging>
  <name>SpringMVCMybatis</name>
  <description/>
  <properties>
    	<project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
  		<spring.version>4.1.1.RELEASE</spring.version>
  		<cxf.version>2.7.15</cxf.version>
    	<slf4j-version>1.7.12</slf4j-version>
    	<log4j-version>1.2.17</log4j-version>
    	<mybatis-version>3.3.0</mybatis-version>
    	<mybatis-spring-version>1.2.3</mybatis-spring-version>
  </properties>
  <dependencies>
  	<!-- 日志配置-->
    <dependency>
        <groupId>log4j</groupId>
        <artifactId>log4j</artifactId>
        <version>${log4j-version}</version>
    </dependency>
    <dependency>
        <groupId>org.slf4j</groupId>
        <artifactId>slf4j-log4j12</artifactId>
        <version>${slf4j-version}</version>
    </dependency>
      <dependency>
        <groupId>org.slf4j</groupId>
        <artifactId>slf4j-api</artifactId>
        <version>${slf4j-version}</version>
    </dependency>
    <dependency>
        <groupId>javax.servlet</groupId>
        <artifactId>javax.servlet-api</artifactId>
        <version>3.1.0</version>
    </dependency>
    <dependency>
       <groupId>org.apache.commons</groupId>
       <artifactId>commons-lang3</artifactId>
       <version>3.3</version>
    </dependency>
    <dependency>
       <groupId>com.alibaba</groupId>
       <artifactId>fastjson</artifactId>
       <version>1.2.1</version>
    </dependency>
    <!-- 数据源配置 -->
    <dependency>
        <groupId>com.mchange</groupId>
        <artifactId>c3p0</artifactId>
        <version>0.9.5.1</version>
    </dependency>
    <!--数据库相关, mysql, mybatis-->
    <dependency>
		<groupId>mysql</groupId>
		<artifactId>mysql-connector-java</artifactId>
		<version>5.1.37</version>
	</dependency>
    <dependency>
        <groupId>org.mybatis</groupId>
        <artifactId>mybatis-spring</artifactId>
        <version>${mybatis-spring-version}</version>
    </dependency>
    <dependency>
        <groupId>org.mybatis</groupId>
        <artifactId>mybatis</artifactId>
        <version>${mybatis-version}</version>
    </dependency>
    <dependency>
        <groupId>org.mybatis.generator</groupId>
        <artifactId>mybatis-generator-core</artifactId>
        <version>1.3.2</version>
    </dependency>
    <!-- spring用到的包 -->
    <dependency>
        <groupId>org.springframework</groupId>
        <artifactId>spring-web</artifactId>
        <version>${spring.version}</version>
    </dependency>
    <dependency>
        <groupId>org.springframework</groupId>
        <artifactId>spring-core</artifactId>
        <version>${spring.version}</version>
    </dependency>
    <dependency>
        <groupId>org.springframework</groupId>
        <artifactId>spring-context</artifactId>
        <version>4.1.1.RELEASE</version>
    </dependency>
    <dependency>
        <groupId>org.springframework</groupId>
        <artifactId>spring-beans</artifactId>
        <version>${spring.version}</version>
    </dependency>
    <dependency>
        <groupId>org.springframework</groupId>
        <artifactId>spring-jdbc</artifactId>
        <version>${spring.version}</version>
    </dependency>
    <dependency>
        <groupId>org.springframework</groupId>
        <artifactId>spring-webmvc</artifactId>
        <version>${spring.version}</version>
    </dependency>
    <dependency>
        <groupId>org.springframework</groupId>
        <artifactId>spring-tx</artifactId>
        <version>${spring.version}</version>
    </dependency>
    <!--测试-->
    <dependency>
        <groupId>junit</groupId>
        <artifactId>junit</artifactId>
        <version>4.11</version>
        <scope>test</scope>
    </dependency>
    <dependency>
        <groupId>org.springframework</groupId>
        <artifactId>spring-test</artifactId>
        <version>4.1.1.RELEASE</version>
        <scope>test</scope>
    </dependency>
        
    <dependency>
      <groupId>javax</groupId>
      <artifactId>javaee-api</artifactId>
      <version>7.0</version>
      <scope>provided</scope>
    </dependency>
    <dependency>
      <groupId>org.glassfish.web</groupId>
      <artifactId>javax.servlet.jsp.jstl</artifactId>
      <version>1.2.2</version>
    </dependency>
  </dependencies>
  <build>
    <plugins>
      <plugin>
        <artifactId>maven-compiler-plugin</artifactId>
        <version>2.3.2</version>
        <configuration>
          <source>1.7</source>
          <target>1.7</target>
        </configuration>
      </plugin>
      <plugin>
        <artifactId>maven-war-plugin</artifactId>
        <version>2.2</version>
        <configuration>
          <version>3.1</version>
          <failOnMissingWebXml>false</failOnMissingWebXml>
        </configuration>
      </plugin>
    </plugins>
  </build>
</project>

配置SpringMVC需要的配置文件

xml配置，注意里面配置springMVC需要用到的

DispatcherServlet
，指向的地址是
classpath:spring/applicationContext.xml
，当然此时还没创建这个
applicationCVontext.xml
,下一个步骤来创建

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<web-app version="2.4" xmlns="http://java.sun.com/xml/ns/j2ee"
    xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
    xsi:schemaLocation="http://java.sun.com/xml/ns/j2ee
    http://java.sun.com/xml/ns/j2ee/web-app_2_4.xsd">

    <display-name>springmvctouchbaidu</display-name>
    <servlet>
        <servlet-name>springmvctouchbaidu</servlet-name>
        <servlet-class>org.springframework.web.servlet.DispatcherServlet</servlet-class>
        <init-param>
            <param-name>contextConfigLocation</param-name>
            <param-value>classpath:spring/applicationContext.xml</param-value>
        </init-param>
        <load-on-startup>1</load-on-startup>
    </servlet>
    <servlet-mapping>
        <servlet-name>springmvctouchbaidu</servlet-name>
        <url-pattern>/</url-pattern>
    </servlet-mapping>
    <filter>
        <filter-name>encodingFilter</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>encodingFilter</filter-name>
        <url-pattern>/*</url-pattern>
    </filter-mapping>
    <session-config>
        <session-timeout>60</session-timeout>
    </session-config>
</web-app>

在

src/main/resources
下面创建个spring目录用来存放
applicationContext.xml

后期会用的的配置很多，所以我一般会根据不同用途创建不同别名的spring配置文件，然后用
applicationContext.xml
统一起来。
这里我创建了 
applicationContext.xml
以及
applicationContext-mvc.xml

applicationContext.xml配置：

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<?xml version="1.0" encoding="UTF-8"?>
<beans xmlns="http://www.springframework.org/schema/beans"
	   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-3.0.xsd">
	 <import resource="classpath:spring/applicationContext-mvc.xml" />
</beans>

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<?xml version="1.0" encoding="UTF-8"?>
<?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-3.0.xsd
       http://www.springframework.org/schema/context 
       http://www.springframework.org/schema/context/spring-context-3.0.xsd 
       http://www.springframework.org/schema/mvc 
       http://www.springframework.org/schema/mvc/spring-mvc.xsd"
       default-lazy-init="true">
    <context:component-scan base-package="com.tengj.demo"/>
    <mvc:resources location="/WEB-INF/pages/" mapping="/pages/**"/>
    <!-- 视图解析器 -->
    <bean class="org.springframework.web.servlet.view.InternalResourceViewResolver">
        <property name="prefix" value="/WEB-INF/pages/"/>
        <property name="suffix" value=".jsp"/>
    </bean>
	<!-- 默认的注解映射的支持 -->
    <mvc:annotation-driven>
        <mvc:message-converters register-defaults="true">
            <bean class="com.alibaba.fastjson.support.spring.FastJsonHttpMessageConverter">
                <property name="supportedMediaTypes">
                    <list>
                        <value>text/plain;charset=utf-8</value>
                        <value>application/json;charset=utf-8</value>
                        <value>application/x-www-form-urlencoded</value>
                    </list>
                </property>
            </bean>
        </mvc:message-converters>
    </mvc:annotation-driven>
</beans>

其中一些重要的配置下篇文章详细的说明

context:component-scan 用来扫描指定的路径下的包，来加载组件用的
mvc:resources 指定静态资源路径

实现一个简单的springMVC请求

配置文件配置好了，我们就来测试一下，写一个controller来实现前后台交互
在src/main/java下面创建如下格式的文件夹。这是我习惯的写法。

common用来存放公共的类
controller控制层
service层用来处理业务逻辑
dao层用来处理数据库操作
dto层用来存放mybatis根据表自动生成的实体对象

具体结构如下图：
springmvc1_7.png

在

controller包
下面创建一个类
SendToBaiduController

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package com.tengj.demo.controller;
import org.springframework.stereotype.Controller;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.RequestMethod;

@Controller
@RequestMapping(value="/sendBaidu")
public class SendToBaiduController {
    @RequestMapping(value="/view",method = RequestMethod.GET)
    public String index(){
        System.out.println("进来了");
        return "index";
    }
    
}

index.jsp
代码：

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<%@ 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 'index.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">
  </head>
  <body>
        跳转进来，表示springMVC流程成功！
  </body>
</html>

部署到tomcat启动服务看看 输入地址是否控制台会打印“进来了”这3字，并跳转到index界面
http://localhost:8080/springmvctouchbaidu/sendBaidu/view
大家看，如图表示springMVC整体流程成功了
springmvc1_8.png
springmvc1_9.png

总结

到此，基于Maven的SpringMVC WEB项目搭建算是成功了，后续会基于这个基础添加其他的功能，比如整合数据库框架mybatis，多数据源处理，定时任务等等。下篇文章将整体上介绍springMVC的配置文件以及注解标签的使用。

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