Maven整合SSM[详解图文]

最新推荐文章于 2020-08-22 16:58:04 发布

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本文详细介绍如何通过Maven快速搭建Spring、Spring MVC和MyBatis整合的SSM项目，并配置数据库连接及运行示例。

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一：新建maven工程，项目结构如下

具体步骤如下

1、新建maven project 然后Next

选择maven-archetype-webapp然后Next

给项目一个坐标，然后Finish

创建后的项目有错--上面的工程名称是Demo3，这个截图不是，是因为为了重现错误，新建了一个工程

1、给项目添加Tomcat

右键点击项目->Build Path->Configuer Build Path…->Add Library->Server Runtime->Apache Tomcat v7.0，OK

同样可以选8.0，因为这我只配置了7.0，所以选的7.0

1、修改pom.xml文件，添加项目需要的jar文件

<properties>

<spring.version>4.0.2.RELEASE</spring.version>

<mybatis.version>3.2.6</mybatis.version>

<slf4j.version>1.7.7</slf4j.version>

<log4j.version>1.2.17</log4j.version>

</properties>

<dependencies>

<dependency>

<groupId>junit</groupId>

<artifactId>junit</artifactId>

<version>4.11</version>

<scope>test</scope>

</dependency>

<dependency>

<groupId>org.springframework</groupId>

<artifactId>spring-core</artifactId>

<version>${spring.version}</version>

</dependency>

<dependency>

<groupId>org.springframework</groupId>

<artifactId>spring-web</artifactId>

<version>${spring.version}</version>

</dependency>

<dependency>

<groupId>org.springframework</groupId>

<artifactId>spring-oxm</artifactId>

<version>${spring.version}</version>

</dependency>

<dependency>

<groupId>org.springframework</groupId>

<artifactId>spring-tx</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-aop</artifactId>

<version>${spring.version}</version>

</dependency>

<dependency>

<groupId>org.springframework</groupId>

<artifactId>spring-context-support</artifactId>

<version>${spring.version}</version>

</dependency>

<dependency>

<groupId>org.springframework</groupId>

<artifactId>spring-test</artifactId>

<version>${spring.version}</version>

</dependency>

<dependency>

<groupId>org.mybatis</groupId>

<artifactId>mybatis</artifactId>

<version>${mybatis.version}</version>

</dependency>

<dependency>

<groupId>org.mybatis</groupId>

<artifactId>mybatis-spring</artifactId>

<version>1.2.2</version>

</dependency>

<dependency>

<groupId>javax</groupId>

<artifactId>javaee-api</artifactId>

<version>7.0</version>

</dependency>

<dependency>

<groupId>mysql</groupId>

<artifactId>mysql-connector-java</artifactId>

<version>5.1.30</version>

</dependency>

<dependency>

<groupId>commons-dbcp</groupId>

<artifactId>commons-dbcp</artifactId>

<version>1.2.2</version>

</dependency>

<dependency>

<groupId>jstl</groupId>

<artifactId>jstl</artifactId>

<version>1.2</version>

</dependency>

<dependency>

<groupId>log4j</groupId>

<artifactId>log4j</artifactId>

<version>${log4j.version}</version>

</dependency>

<dependency>

<groupId>com.alibaba</groupId>

<artifactId>fastjson</artifactId>

<version>1.1.41</version>

</dependency>

<dependency>

<groupId>org.slf4j</groupId>

<artifactId>slf4j-api</artifactId>

<version>${slf4j.version}</version>

</dependency>

<dependency>

<groupId>org.slf4j</groupId>

<artifactId>slf4j-log4j12</artifactId>

<version>${slf4j.version}</version>

</dependency>

<dependency>

<groupId>org.codehaus.jackson</groupId>

<artifactId>jackson-mapper-asl</artifactId>

<version>1.9.13</version>

</dependency>

<dependency>

<groupId>commons-fileupload</groupId>

<artifactId>commons-fileupload</artifactId>

<version>1.3.1</version>

</dependency>

<dependency>

<groupId>commons-io</groupId>

<artifactId>commons-io</artifactId>

<version>2.4</version>

</dependency>

<dependency>

<groupId>commons-codec</groupId>

<artifactId>commons-codec</artifactId>

<version>1.9</version>

</dependency>

</dependencies>

当修改完pom.xml后，项目帮我们下载需要使用的jar包，如下：

右键项目->maven->update Project，选中Force Update of Snapshots/Releases选项，OK

更新后，发现项目报红叉:

说明：faces 2.2 必须使用动态Web模块2.5或者以上，必须使用java 1.6或者以上

这时我们右键项目->Project Facets，发现Dynamic Web Module是2.3，Java是1.5

我们在更改Dynamic Web Module时发现不让修改，修改步骤如下：

1）改项目下的.settings\org.eclipse.wst.common.project.facet.core.xml，将版本改成为3.0,将成后是<installed facet="jst.web" version="3.0"/>，再启动Eclipse.右键项目->Maven->Update Project

2）此时，问题一般解决。如还不能解决，尝试在pom.xml中加入如下代码

finalName中间填写自己的项目名

<build>

<finalName>maven_ssm</finalName>

<plugins>

<plugin>

<groupId>org.apache.maven.plugins</groupId>

<artifactId>maven-compiler-plugin</artifactId>

<version>2.0.2</version>

<configuration>

<source>1.6</source>

<target>1.6</target>

</configuration>

</plugin>

</plugins>

</build>

更新maven，此时发现还有错误，在eclipse的Markers窗口视图装其报错选项删除掉即可！

1、查看maven的配置是否已经修改

1) Java编译器配置

右键项目->Properties->Java Compiler->JDK Compliance level: 1.6看看是否已经更改成1.6

删除自带的jre路径，点击Java Build Path设置为我们自己安装的jre6的路径

2) 查看Project Facets，是否如下：

Dynamic Web Module:3.0

Java : 1.6

JavaScript:1.0

JavaServer Faces:2.2

JAX-RS(REST Web Services) : 2.0

现在maven基本已经配置完成

下面创建SSM项目

在SQL数据库创建表

1、在com.yztc.po下创建User类

package com.yztc.po;

public class User {

private int id;

private String user_name;

private int age;

private String remark;

public int getId() {

return id;

}

public void setId(int id) {

this.id = id;

}

public void setUser_name(String user_name) {

this.user_name = user_name;

}

public String getUser_name() {

return user_name;

}

public int getAge() {

return age;

}

public void setAge(int age) {

this.age = age;

}

public String getRemark() {

return remark;

}

public void setRemark(String remark) {

this.remark = remark;

}

@Override

public String toString() {

return "["+id+","+user_name+","+age+","+remark+"]";

}

}

2、在com.yztc.mapper下创建UserMapper接口

package com.yztc.mapper;

import java.util.List;

import com.yztc.po.User;

public interface UserMapper {

public List<User> findAll();

}

3、在com.yztc.mapper下创建UserMapper.xml

<?xml version="1.0" encoding="UTF-8"?>

<!DOCTYPE mapper

PUBLIC "-//mybatis.org//DTD Mapper 3.0//EN"

"http://mybatis.org/dtd/mybatis-3-mapper.dtd">

<mapper namespace="com.yztc.mapper.UserMapper">

<select id="findAll" resultType="com.yztc.po.User">

select * from user;

</select>

</mapper>

4、在com.yztc.service下创建UserService接口

package com.yztc.service;

import java.util.List;

import com.yztc.po.User;

public interface UserService {

public List<User> findAll();

}

5、在com.yztc.serviceImpl下创建UserServiceImpl类

package com.yztc.serviceImpl;

import java.util.List;

import org.springframework.beans.factory.annotation.Autowired;

import org.springframework.stereotype.Service;

import com.yztc.mapper.UserMapper;

import com.yztc.po.User;

import com.yztc.service.UserService;

@Service("userService")

public class UserServiceImpl implements UserService {

@Autowired

public UserMapper userMapper;

@Override

public List<User> findAll() {

return userMapper.findAll();

}

}

6、在src/main/resources下创建项目配置文件applicationContext.xml

<?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:aop="http://www.springframework.org/schema/aop"

xmlns:context="http://www.springframework.org/schema/context" xmlns:tx="http://www.springframework.org/schema/tx"

xmlns:mvc="http://www.springframework.org/schema/mvc"

xsi:schemaLocation="http://www.springframework.org/schema/mvc http://www.springframework.org/schema/mvc/spring-mvc-4.0.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-4.0.xsd

http://www.springframework.org/schema/aop http://www.springframework.org/schema/aop/spring-aop-4.0.xsd

http://www.springframework.org/schema/tx http://www.springframework.org/schema/tx/spring-tx-4.0.xsd">

<context:annotation-config/>

<context:component-scan base-package="com.yztc" />

<mvc:annotation-driven/>

<bean id="dataSource" class="org.apache.commons.dbcp.BasicDataSource">

<property name="driverClassName" value="com.mysql.jdbc.Driver"/>

<property name="url" value="jdbc:mysql://localhost:3306/test"/>

<property name="username" value="root"/>

<property name="password" value="123456"/>

</bean>

<!-- 2.使用引入的配置文件连接位置

新建文件jdbc.properties，内容

dbcp.driver=com.mysql.jdbc.Driver

dbcp.url=jdbc:mysql://localhost:3306/test

dbcp.username=root

dbcp.password=123456

<context:property-placeholder location="classpath:jdbc.properties" />

<bean id="dataSource" class="org.apache.commons.dbcp.BasicDataSource">

<property name="driverClassName" value="${dbcp.driver}"/>

<property name="url" value="${dbcp.url}"/>

<property name="username" value="${dbcp.username}"/>

<property name="password" value="${dbcp.password}"/>

</bean>

-->

<bean id="txManager" class="org.springframework.jdbc.datasource.DataSourceTransactionManager">

<property name="dataSource" ref="dataSource"/>

</bean>

<tx:annotation-driven transaction-manager="txManager"/>

<bean id="sqlSessionFactory" class="org.mybatis.spring.SqlSessionFactoryBean">

<property name="dataSource" ref="dataSource"/>

</bean>

<bean class="org.mybatis.spring.mapper.MapperScannerConfigurer">

<property name="basePackage" value="com.yztc.mapper" />

</bean>

</beans>

7、修改web.xml文件

<?xml version="1.0" encoding="UTF-8"?>

<web-app 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"

version="3.0">

<display-name>Archetype Created Web Application</display-name>

<filter>

<filter-name>springUtf8Encoding</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>springUtf8Encoding</filter-name>

<url-pattern>/</url-pattern>

</filter-mapping>

<servlet>

<servlet-name>springmvc</servlet-name>

<servlet-class>org.springframework.web.servlet.DispatcherServlet</servlet-class>

<init-param>

<param-name>contextConfigLocation</param-name>

<param-value>classpath:applicationContext.xml</param-value>

</init-param>

<load-on-startup>1</load-on-startup>

</servlet>

<servlet-mapping>

<servlet-name>springmvc</servlet-name>

<url-pattern>/</url-pattern>

</servlet-mapping>

</web-app>

8、在Deployed Resources下webapp下创建一个index.jsp

<html>

<head>

<meta charset="utf-8"/>

<title>MAVEN-SSM</title>

</head>

<body>

<button id="btn" onclick="findByNameUser()">press</button>

<div id="box"></div>

<script type="text/javascript">

var un = document.getElementById("btn");

function findByNameUser(){

var xmlHttp = null;

if(window.XMLHttpRequest){

xmlHttp = new XMLHttpRequest();

}else{

xmlHttp = new ActiveXObject("Microsoft.XMLHTTP");

}

xmlHttp.onreadystatechange = function(){

if(xmlHttp.status == 200 && xmlHttp.readyState == 4){

var box = document.getElementById("box");

var user = eval("("+xmlHttp.responseText +")");

for(var i=0;i<user.length;i++)

{

box.innerHTML += "ID="+user[i]["id"] +",NAME="+user[i]["user_name"]+",AGE="+user[i]["age"]+",REMARK="+user[i]["remark"]+"<br/>";

}

}

}

xmlHttp.open("get", "findAll", true);

xmlHttp.send();

}

</script>

</body>

</html>

9、在com.yztc.controller下创建UserController类

package com.yztc.controller;

import java.util.List;

import org.springframework.beans.factory.annotation.Autowired;

import org.springframework.stereotype.Controller;

import org.springframework.web.bind.annotation.RequestMapping;

import org.springframework.web.bind.annotation.ResponseBody;

import com.yztc.po.User;

import com.yztc.service.UserService;

@Controller

public class UserController {

@Autowired

public UserService userService;

@RequestMapping("/findAll")

public @ResponseBody List<User> findAll(){

List<User> users = userService.findAll();

return users;

}

}

10、项目右键，Run As on Server

总结步骤：

一：搭建Maven环境

jar包的引入在pom.xml中实现

二：

Web.xml--存放路径有变化

applicationContext.xml--存放路径有变化

SSM项目整体结构不变，只是jar包的引入是在webContent下面的lib，现在变成在Maven的pom.xml中引入

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