Maven搭建SSM框架（eclipse）

1.新建Maven工程，需要注意的是：在Archetype上，选择Artifact Id为maven-archetype-webapp的那项。

2.在Build Path里添加Tomcat的JAR包支持。成功之后的工程项目结构如图所示：

3.此时可以开始添加Spring，SpringMVC，Mybatis，MySQL，Druid，Log4j等支持。pom.xml依赖如下所示：

pom.xml

<dependencies>
        <dependency>
            <groupId>junit</groupId>
            <artifactId>junit</artifactId>
            <version>3.8.1</version>
            <scope>test</scope>
        </dependency>
        <dependency>
            <groupId>org.apache.maven.plugins</groupId>
            <artifactId>maven-resources-plugin</artifactId>
            <version>2.4.3</version>
        </dependency>

        <dependency>
            <groupId>org.mybatis</groupId>
            <artifactId>mybatis</artifactId>
            <version>3.2.1</version>
        </dependency>
        <dependency>
            <groupId>org.mybatis</groupId>
            <artifactId>mybatis-spring</artifactId>
            <version>1.2.3</version>
        </dependency>
        <dependency>
            <groupId>org.springframework</groupId>
            <artifactId>spring-context</artifactId>
            <version>4.1.3.RELEASE</version>
        </dependency>
        <dependency>
            <groupId>org.springframework</groupId>
            <artifactId>spring-beans</artifactId>
            <version>4.1.3.RELEASE</version>
        </dependency>
        <dependency>
            <groupId>org.springframework</groupId>
            <artifactId>spring-webmvc</artifactId>
            <version>4.1.3.RELEASE</version>
        </dependency>
        <dependency>
            <groupId>org.springframework</groupId>
            <artifactId>spring-jdbc</artifactId>
            <version>4.1.3.RELEASE</version>
        </dependency>
        <dependency>
            <groupId>org.springframework</groupId>
            <artifactId>spring-aspects</artifactId>
            <version>4.1.3.RELEASE</version>
        </dependency>
        <dependency>
            <groupId>mysql</groupId>
            <artifactId>mysql-connector-java</artifactId>
            <version>5.0.8</version>
        </dependency>
        <dependency>
            <groupId>com.alibaba</groupId>
            <artifactId>druid</artifactId>
            <version>1.0.16</version>
        </dependency>
        <dependency>
            <groupId>javax.servlet</groupId>
            <artifactId>jstl</artifactId>
            <version>1.2</version>
        </dependency>
        <dependency>
            <groupId>log4j</groupId>
            <artifactId>log4j</artifactId>
            <version>1.2.16</version>
        </dependency>
        <dependency>
            <groupId>org.slf4j</groupId>
            <artifactId>slf4j-api</artifactId>
            <version>1.6.1</version>
        </dependency>
        <dependency>
            <groupId>org.slf4j</groupId>
            <artifactId>slf4j-nop</artifactId>
            <version>1.6.4</version>
        </dependency>
  </dependencies>

4.修改src/main/java/webapp/WEB-INF/web.xml

web.xml

<?xml version="1.0" encoding="UTF-8"?>
<web-app xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
    xmlns="http://java.sun.com/xml/ns/javaee"
    xsi:schemaLocation="http://java.sun.com/xml/ns/javaee http://java.sun.com/xml/ns/javaee/web-app_2_5.xsd"
    id="WebApp_ID" version="2.5">
    <display-name>webMaven</display-name>
    <!-- 解决工程编码过滤器 -->
    <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>
    </filter>
    <filter-mapping>
        <filter-name>characterEncodingFilter</filter-name>
        <url-pattern>/*</url-pattern>
    </filter-mapping>

    <!-- 配置文件所在位置 -->
    <context-param>
        <param-name>contextConfigLocation</param-name>
        <param-value>classpath:spring.xml,classpath:mybatis-spring.xml</param-value>
    </context-param>
    <!-- Spring配置（监听器） -->
    <listener>
        <listener-class>org.springframework.web.context.ContextLoaderListener</listener-class>
    </listener>

    <!-- SpringMVC配置 -->
    <servlet>
        <servlet-name>springDispatcherServlet</servlet-name>
        <servlet-class>org.springframework.web.servlet.DispatcherServlet</servlet-class>
        <init-param>
            <param-name>contextConfigLocation</param-name>
            <param-value>classpath:spring-mvc.xml</param-value>
        </init-param>
        <load-on-startup>1</load-on-startup>
    </servlet>
    <servlet-mapping>
        <servlet-name>springDispatcherServlet</servlet-name>
        <url-pattern>/</url-pattern>
    </servlet-mapping>

    <welcome-file-list>
        <welcome-file>index.html</welcome-file>
        <welcome-file>index.jsp</welcome-file>
    </welcome-file-list>
</web-app>

5.在src/main/resources下添加配置文件：

spring.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:context="http://www.springframework.org/schema/context"
    xmlns:aop="http://www.springframework.org/schema/aop" xmlns:tx="http://www.springframework.org/schema/tx"
    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
     http://www.springframework.org/schema/aop
     http://www.springframework.org/schema/aop/spring-aop.xsd
     http://www.springframework.org/schema/tx 
     http://www.springframework.org/schema/tx/spring-tx.xsd">

    <!-- 自动注入 -->
    <context:component-scan base-package="com.study.service.impl" />
</beans>

mybatis-spring.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:context="http://www.springframework.org/schema/context"
    xmlns:aop="http://www.springframework.org/schema/aop" xmlns:tx="http://www.springframework.org/schema/tx"
    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
     http://www.springframework.org/schema/aop
     http://www.springframework.org/schema/aop/spring-aop.xsd
     http://www.springframework.org/schema/tx 
     http://www.springframework.org/schema/tx/spring-tx.xsd">
    
    <context:property-placeholder location="classpath:mysqldb.properties"/>
    
    <!-- 配置数据源 -->
    <bean id="dataSource" class="com.alibaba.druid.pool.DruidDataSource">
        <!-- 基本属性 url、user、password -->
        <property name="driverClassName" value="${jdbc.driverClassName}" />
        <property name="url" value="${jdbc.url}" />
        <property name="username" value="${jdbc.username}" />
        <property name="password" value="${jdbc.password}" />
        <property name="initialSize" value="1" />
        <property name="minIdle" value="1" />
        <property name="maxActive" value="20" />
        <property name="maxWait" value="60000" />
        <!-- 超过时间限制是否回收 -->
        <property name="removeAbandoned" value="true" />
        <!-- 超过时间限制多长； -->
        <property name="removeAbandonedTimeout" value="180" />
        <!-- 配置间隔多久才进行一次检测，检测需要关闭的空闲连接，单位是毫秒 -->
        <property name="timeBetweenEvictionRunsMillis" value="60000" />
        <!-- 配置一个连接在池中最小生存的时间，单位是毫秒 -->
        <property name="minEvictableIdleTimeMillis" value="300000" />
        <!-- 用来检测连接是否有效的sql，要求是一个查询语句 -->
        <property name="validationQuery" value="SELECT 1" />
        <!-- 申请连接的时候检测 -->
        <property name="testWhileIdle" value="true" />
        <!-- 申请连接时执行validationQuery检测连接是否有效，配置为true会降低性能 -->
        <property name="testOnBorrow" value="false" />
        <!-- 归还连接时执行validationQuery检测连接是否有效，配置为true会降低性能 -->
        <property name="testOnReturn" value="false" />
    </bean>

    <!-- Mybatis文件 -->
    <bean id="sqlSessionFactory" class="org.mybatis.spring.SqlSessionFactoryBean">
        <property name="configLocation" value="classpath:mybatis-config.xml" />
        <property name="dataSource" ref="dataSource" />
    </bean>

    <bean class="org.mybatis.spring.mapper.MapperScannerConfigurer">
        <property name="basePackage" value="com.study.dao" />
        <property name="sqlSessionFactoryBeanName" value="sqlSessionFactory" />
    </bean>

    <!-- 事务管理器 -->
    <bean id="transactionManager"
        class="org.springframework.jdbc.datasource.DataSourceTransactionManager">
        <property name="dataSource" ref="dataSource" />
    </bean>

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

spring-mvc.xml

<?xml version="1.0" encoding="UTF-8"?>
<beans xmlns="http://www.springframework.org/schema/beans"
    xmlns:mvc="http://www.springframework.org/schema/mvc" 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"
    xmlns:task="http://www.springframework.org/schema/task" 
    xsi:schemaLocation="http://www.springframework.org/schema/beans 
        http://www.springframework.org/schema/beans/spring-beans-4.1.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
        http://www.springframework.org/schema/task 
        http://www.springframework.org/schema/task/spring-task-4.1.xsd">

    <!-- 启用spring mvc 注解 -->
    <context:annotation-config />
    
    <!-- 设置使用注解的类所在的jar包 -->
    <context:component-scan base-package="com.study.controller" />

    <!-- 完成请求和注解POJO的映射 -->
    <bean class="org.springframework.web.servlet.mvc.annotation.AnnotationMethodHandlerAdapter" />

    <!-- 对转向页面的路径解析。prefix：前缀， suffix：后缀 -->
    <bean class="org.springframework.web.servlet.view.InternalResourceViewResolver"
        p:prefix="/" p:suffix=".jsp" />

</beans>

mybatis-config.xml

<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE configuration  
  PUBLIC "-//mybatis.org//DTD Config 3.0//EN"  
  "http://mybatis.org/dtd/mybatis-3-config.dtd">  
      
<configuration>  
    <!-- 全局别名设置，在映射文件中只需写别名，而不必写出整个类路径  -->  
    <typeAliases>    
         <typeAlias type="com.study.model.Student" alias="Student"/>  
    </typeAliases>     
      <mappers>  
        <mapper resource="com/study/mapping/StudentMapper.xml" />  
    </mappers>
</configuration>

log4j.properties

log4j.rootLogger=DEBUG, stdout
log4j.logger.org.mybatis=DEBUG
log4j.appender.stdout=org.apache.log4j.ConsoleAppender
log4j.appender.stdout.layout=org.apache.log4j.PatternLayout
log4j.appender.stdout.layout.ConversionPattern=%5p %d %C: %m%n

mysqldb.properties

jdbc.driverClassName=com.mysql.jdbc.Driver
jdbc.url=jdbc:mysql://192.168.199.144:3306/study
jdbc.username=root
jdbc.password=123456

6.Java文件与JSP文件如下所示：

StudentController

package com.study.controller;

import java.util.List;

import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Controller;
import org.springframework.ui.Model;
import org.springframework.web.bind.annotation.RequestMapping;

import com.study.domain.Student;
import com.study.service.StudentService;


@Controller
@RequestMapping("/student")
public class StudentController {
	@Autowired
	private StudentService studentService;
	
    
    public StudentService getStudentService() {
		return studentService;
	}


	public void setStudentService(StudentService studentService) {
		this.studentService = studentService;
	}


	@RequestMapping("/list")
    public String showPersons(Model model){
        List<Student> students = studentService.loadStudents();
        model.addAttribute("students", students);
        return "studentList";
    }
}

StudentDao

package com.study.dao;

import java.util.List;

import com.study.domain.Student;

public interface StudentDao {
    public List<Student> queryAll();
}

StudentMapper.xml com.study.mapping

<?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.study.dao.StudentDao">
    <!-- 查询所有person -->  
    <select id="queryAll" resultType="Student" >  
        select * from student  
    </select>
</mapper>

Student.java

package com.study.domain;

public class Student {
	private Integer studentId;
	private String studentName;
	private Integer classId;
	
	public Integer getStudentId() {
		return studentId;
	}
	public void setStudentId(Integer studentId) {
		this.studentId = studentId;
	}
	public String getStudentName() {
		return studentName;
	}
	public void setStudentName(String studentName) {
		this.studentName = studentName;
	}
	public Integer getClassId() {
		return classId;
	}
	public void setClassId(Integer classId) {
		this.classId = classId;
	}
	@Override
	public String toString() {
		return "Student [studentId=" + studentId + ", studentName=" + studentName + ", classId=" + classId + "]";
	}
	
	

}

StudentService

package com.study.service;

import java.util.List;

import com.study.domain.Student;

public interface StudentService {
   public List<Student> loadStudents();
}

StudentServiceImpl

package com.study.service.impl;


import java.util.List;

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

import com.study.dao.StudentDao;
import com.study.domain.Student;
import com.study.service.StudentService;

@Service("studentService")
public class StudentServiceImpl implements StudentService {
    @Autowired
	private StudentDao studentDao;
	
	
	public StudentDao getStudentDao() {
		return studentDao;
	}


	public void setStudentDao(StudentDao studentDao) {
		this.studentDao = studentDao;
	}


	public List<Student> loadStudents() {
		return studentDao.queryAll();
	}

}

studentList.jsp

<%@ page language="java" contentType="text/html; charset=UTF-8"
    pageEncoding="UTF-8"%>
<%@ taglib prefix="c" uri="http://java.sun.com/jsp/jstl/core"%>
<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd">
<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=UTF-8">
<title>Insert title here</title>
</head>
<body>
<table>
<caption>学生信息列表</caption>
	<tr>
	   <td width="50px">studentId</td>
	   <td width="80px">studentName</td>
	   <td width="50px">classId</td>
	</tr>
	
	 <c:forEach var="student" items="${requestScope.students}">
	 <tr>
	    <td>${student.studentId}</td>
	    <td>${student.studentName}</td>
	    <td>${student.classId}</td>
	    </tr>
	 </c:forEach>
	
</table>
</body>
</html>

7.项目结构如图所示：

8.数据库表的设计与记录如图所示：

数据库表设计.png

数据库表记录.png

9.输入http://localhost:8080/ssm-demo/student/list
即可得到如下所示的结果：

10.到这里，ssm框架搭建完毕，并完成了一个简单的查询！

Maven搭建SSM框架（eclipse）

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