SSM框架搭建

秒速五厘米 2022-03-21 15:47 311阅读 0赞

自己配置了一个SSM框架，打算做个小网站，这里把SSM的配置流程详细的写了出来，方便很少接触这个框架的朋友使用，文中各个资源均免费提供！（后续读写分离：[https://blog.csdn.net/dwhdome/article/details/83380149][https_blog.csdn.net_dwhdome_article_details_83380149]）

### 一.创建web项目（eclipse） ###

File-->new-->Dynamic Web Project (这里我们创建的项目名为SSM)

下面是大致目录结构

![SouthEast][]

### 二. SSM所需jar包。 ###

![SouthEast 1][]

jar包链接：https://pan.baidu.com/s/1dTClhO 密码：n4mm

### 三.整合开始 ###

1.mybatis配置文件（resource/mybatis/SqlMapConfig.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> 
       
       </configuration>

2.Dao，mybatis整合spring，通过spring管理

SqlSessionFactory、mapper代理对象

（resource/spring/applicationContext-dao.xml）

<?xml version="1.0" encoding="UTF-8"?> 
       <beans xmlns="http://www.springframework.org/schema/beans" 
       xmlns:context= "http://www.springframework.org/schema/context" xmlns:p= "http://www.springframework.org/schema/p" 
       xmlns:aop= "http://www.springframework.org/schema/aop" xmlns:tx= "http://www.springframework.org/schema/tx" 
       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-4.0.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 
       http://www.springframework.org/schema/util http://www.springframework.org/schema/util/spring-util-4.0.xsd"> 
       
        
        
       <context:property-placeholder location="classpath:*.properties" /> 
        
       <bean id="dataSource" class="com.alibaba.druid.pool.DruidDataSource" 
       destroy-method= "close"> 
       <property name="url" value="${jdbc.url}" /> 
       <property name="username" value="${jdbc.username}" /> 
       <property name="password" value="${jdbc.password}" /> 
       <property name="driverClassName" value="${jdbc.driver}" /> 
       <property name="maxActive" value="10" /> 
       <property name="minIdle" value="5" /> 
       </bean> 
        
       <bean id="sqlSessionFactory" class="org.mybatis.spring.SqlSessionFactoryBean"> 
        
       <property name="dataSource" ref="dataSource" /> 
        
       <property name="configLocation" value="classpath:mybatis/SqlMapConfig.xml" /> 
       </bean> 
        
       <bean class="org.mybatis.spring.mapper.MapperScannerConfigurer"> 
       <property name="basePackage" value="com.mapper" /> 
       </bean> 
       </beans>

这里用的是阿里的连接池，当然也可以用c3p0，个人建议用阿里

3. 所有的实现类都放到spring容器中管理。由spring创建数据库连接池，并有spring管理实务。

（resource/spring/applicationContext-service.xml）

配置spring管理实务

（resource/spring/applicationContext-trans.xml）

<?xml version="1.0" encoding="UTF-8"?> 
       <beans xmlns="http://www.springframework.org/schema/beans" 
       xmlns:context= "http://www.springframework.org/schema/context" xmlns:p= "http://www.springframework.org/schema/p" 
       xmlns:aop= "http://www.springframework.org/schema/aop" xmlns:tx= "http://www.springframework.org/schema/tx" 
       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-4.0.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 
       http://www.springframework.org/schema/util http://www.springframework.org/schema/util/spring-util-4.0.xsd"> 
        
       <bean id="transactionManager" 
       class= "org.springframework.jdbc.datasource.DataSourceTransactionManager"> 
        
       <property name="dataSource" ref="dataSource" /> 
       </bean> 
        
       <tx:advice id="txAdvice" transaction-manager="transactionManager"> 
       <tx:attributes> 
        
       <tx:method name="save*" propagation="REQUIRED" /> 
       <tx:method name="insert*" propagation="REQUIRED" /> 
       <tx:method name="add*" propagation="REQUIRED" /> 
       <tx:method name="create*" propagation="REQUIRED" /> 
       <tx:method name="delete*" propagation="REQUIRED" /> 
       <tx:method name="update*" propagation="REQUIRED" /> 
       <tx:method name="find*" propagation="SUPPORTS" read-only="true" /> 
       <tx:method name="select*" propagation="SUPPORTS" read-only="true" /> 
       <tx:method name="get*" propagation="SUPPORTS" read-only="true" /> 
       </tx:attributes> 
       </tx:advice> 
        
       <aop:config> 
       <aop:advisor advice-ref="txAdvice" 
       pointcut= "execution(* com.service.*.*(..))" /> 
       </aop:config> 
       </beans>

4. Springmvc整合spring框架，由springmvc管理controller

（resource/spring/springmvc.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:p= "http://www.springframework.org/schema/p" 
       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/mvc http://www.springframework.org/schema/mvc/spring-mvc-4.0.xsd 
       http://www.springframework.org/schema/context http://www.springframework.org/schema/context/spring-context.xsd"> 
       
        
       <context:component-scan base-package="com.controller" /> 
       
        
       <mvc:annotation-driven /> 
       
        
       <bean 
       class= "org.springframework.web.servlet.view.InternalResourceViewResolver"> 
       <property name="prefix" value="/WEB-INF/jsp/" /> 
       <property name="suffix" value=".jsp" /> 
       </bean> 
       </beans>

### 5. 2中加载的属性配置文件（dbconfig.properties） ###

根据自己的数据库更改用户名密码以及库

jdbc.driver=com.mysql.jdbc.Driver 
       jdbc.url=jdbc:mysql://localhost:3306/ssm?characterEncoding=utf-8 
       jdbc.username=root 
       jdbc.password=123456

### 6. 配置log4j ###

（log4j.properties）

log4j.rootLogger=error,CONSOLE,A
    log4j.addivity.org.apache=false
    
    log4j.appender.CONSOLE=org.apache.log4j.ConsoleAppender
    log4j.appender.CONSOLE.Threshold=error
    log4j.appender.CONSOLE.layout.ConversionPattern=%d{yyyy-MM-dd HH\:mm\:ss} -%-4r [%t] %-5p  %x - %m%n
    log4j.appender.CONSOLE.Target=System.out
    log4j.appender.CONSOLE.Encoding=gbk
    log4j.appender.CONSOLE.layout=org.apache.log4j.PatternLayout
    
    
    log4j.appender.A=org.apache.log4j.DailyRollingFileAppender  
    log4j.appender.A.File=${catalina.home}/logs/FH_log/PurePro_
    log4j.appender.A.DatePattern=yyyy-MM-dd'.log'
    log4j.appender.A.layout=org.apache.log4j.PatternLayout  
    log4j.appender.A.layout.ConversionPattern=[FH_sys]  %d{yyyy-MM-dd HH\:mm\:ss} %5p %c{1}\:%L \: %m%n

(log4j.xml)

<?xml version="1.0" encoding="UTF-8"?>
    <!DOCTYPE log4j:configuration PUBLIC "-//APACHE//DTD LOG4J 1.2//EN" "log4j.dtd">
    <log4j:configuration xmlns:log4j="http://jakarta.apache.org/log4j/">
    
    	
    	<appender name="console" class="org.apache.log4j.ConsoleAppender">
    		<param name="Target" value="System.out" />
    		<layout class="org.apache.log4j.PatternLayout">
    			<param name="ConversionPattern" value="%d{yyyy HH:mm:ss} %-5p %c - %m%n" />
    		</layout>
    	</appender>
    	
    	
    	<logger name="com">
    		<level value="error" />
    	</logger>
    	
    	
    	<logger name="org.springframework.core">
    		<level value="error" />
    	</logger>	
    	
    	<logger name="org.springframework.beans">
    		<level value="error" />
    	</logger>
    	
    	<logger name="org.springframework.context">
    		<level value="error" />
    	</logger>
    
    	<logger name="org.springframework.web">
    		<level value="error" />
    	</logger>
    
    	<logger name="org.springframework.jdbc">
    		<level value="error" />
    	</logger>
    
    	<logger name="org.mybatis.spring">
    		<level value="error" />
    	</logger>
    	<logger name="java.sql">
    		<level value="error" />
    	</logger>
    	
    	<root>
    		<priority value="error" />
    		<appender-ref ref="console" />
    	</root>
    	
    </log4j:configuration>

SSM框架整合完成，至于mybatis逆向工程生成的mapper.xml和pojo请放到第一张图的目录下

注：逆向工程是根据数据库表反向生成pojo以及mapper.xml，所以，请先自动在数据库配置好user表。逆向工程得配置在下面得链接里面有详细注释。

测试数据库表（User）

private String id;

private String username;

private String password;

private String company;

private Integer age;

private Integer sex;

根据类型创建表即可

逆向工程项目我会贴出链接，解压导入改路径运行main方法就会自动生成了，注意配置生成的路径

![SouthEast 2][]

逆向工程链接： 链接：https://pan.baidu.com/s/1QvSskH2UEC6EQF7MgVDOAQ 密码：t2pc

到这里项目整合完成，接下来是测试！  
 UserController.java

package com.controller; 
       
       import javax.annotation.Resource; 
       import javax.servlet.http.HttpServletRequest; 
       import org.springframework.stereotype.Controller; 
       import org.springframework.web.bind.annotation.RequestMapping; 
       import org.springframework.web.servlet.ModelAndView; 
       import com.pojo.User; 
       import com.service.UserService; 
       
       @Controller 
       @RequestMapping( "/user") 
       public class UserController { 
       
       @Resource(name= "userService") 
       private UserService userService; 
       /** 
       * 根据id查询 
       */ 
       @RequestMapping(value= "/queryById") 
       public ModelAndView queryById(HttpServletRequest request){ 
       ModelAndView mv = new ModelAndView(); 
       String id = request.getParameter( "id"); 
       try{ 
       User var = userService.findById(id); 
       mv.setViewName( "index"); 
       mv.addObject( "var", var); 
       } catch(Exception e){ 
       e.printStackTrace(); 
       } 
       return mv; 
       } 
       }

UserService.java

package com.service; 
       
       import javax.annotation.Resource; 
       
       import org.springframework.stereotype.Service; 
       
       import com.mapper.UserMapper; 
       import com.pojo.User; 
       
       @Service( "userService") 
       public class UserService { 
       @Resource 
       private UserMapper dao; 
       /* 
       * 通过id获取数据 
       */ 
       public User findById(String id)throws Exception{ 
       return (User)dao.selectByPrimaryKey(id); 
       } 
       }

**补上之前漏掉得web.xml配置**

<?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" xmlns:web= "http://java.sun.com/xml/ns/javaee/web-app_2_5.xsd" 
       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"> 
       <welcome-file-list> 
       <welcome-file>index.jsp </welcome-file> 
       </welcome-file-list> 
        
       <context-param> 
       <param-name>contextConfigLocation </param-name> 
       <param-value>classpath:spring/applicationContext*.xml </param-value> 
       </context-param> 
       <listener> 
       <listener-class>org.springframework.web.context.ContextLoaderListener </listener-class> 
       </listener> 
       
        
       <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> 
       
       
        
        
       
       <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:spring/springmvc.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>

为节省篇幅，更快的搭建成功，这里只写了一个方法，根据id查询数据

WebContent/index.jsp

<%@ page language="java" contentType="text/html; charset=utf-8" 
       pageEncoding= "utf-8"%> 
       <!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd"> 
       <% 
       String path = request.getContextPath(); 
       String basePath = request.getScheme()+"://"+request.getServerName()+":"+request.getServerPort()+path+"/"; 
       %> 
       <html> 
       <head> 
       <meta http-equiv="Content-Type" content="text/html; charset=utf-8"> 
       <title>查询用户 </title> 
       </head> 
       <body> 
       <form action="user/queryById.do" method="post"> 
       输入要查询的id: <input type="text" name="id" value="123456"/> 
       <button type="submit">提交 </button> 
       </form> 
       </body> 
       </html>

WebContent/WEB-INF/jsp/index.jsp

<%@ page language="java" contentType="text/html; charset=utf-8" 
       pageEncoding= "utf-8"%> 
       <%@page import="com.pojo.*"%> 
       <!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> 
       <style type="text/css"> 
       .td td{ 
       width: 100px; 
       } 
       .table{ 
       text-align: center; 
       margin: 0 auto; 
       } 
       </style> 
       </head> 
       <body> 
       <% 
       User user = ((User)request.getAttribute("var")); 
       %> 
       
       <table class="table"> 
       <tr class="td"> 
       <td>ID </td> 
       <td>用户名 </td> 
       <td>密码 </td> 
       <td style="width: 200px">公司 </td> 
       <td>年龄 </td> 
       <td>性别 </td> 
       </tr> 
       <%if(user!=null){%> 
       <tr class="td"> 
       <td> <%=user.getId()%> </td> 
       <td> <%=user.getUsername()%> </td> 
       <td> <%=user.getPassword()%> </td> 
       <td> <%=user.getCompany()%> </td> 
       <td> <%=user.getAge()%> </td> 
       <td> <%=user.getSex()==1?"男":"女"%> </td> 
       </tr> 
       <%}else{ %> 
       <tr class="td"> 
       <td style="color: red;">暂无相关数据 </td> 
       </tr> 
       <%} %> 
       </table> 
       
       </body> 
       </html>

启动项目，输入localhost:8080/SSM 访问  
![SouthEast 3][]

**为方便新手查错，博主按照博文重新搭建了一次，测试无误后将项目打包，上传至[云盘][Link 1]，供您使用。（建议：希望您按照博文从头搭建，便于印象深刻）**

**项目完整链接（含数据库）： https://pan.baidu.com/s/17O8HgkoSYblFfC3uziMrdA 密码：cw77**

文中链接失效+Q:171727855  补发

**有问题加群：757477675 （Java企业开发交流群，资料免费分享）**

转载文章请注明出处！

[https_blog.csdn.net_dwhdome_article_details_83380149]: https://blog.csdn.net/dwhdome/article/details/83380149
[SouthEast]: /images/20220321/71db8754968e4934825016908fbc1fbe.png
[SouthEast 1]: /images/20220321/a548fe9f735548bc8b1a4482ff3c56b6.png
[SouthEast 2]: /images/20220321/2722175279194b1088f80172672a4fc3.png
[SouthEast 3]: /images/20220321/ebd970b5266c40a4bcc61c0e2de159c7.png
[Link 1]: https://www.baidu.com/s?wd=%E4%BA%91%E7%9B%98&tn=24004469_oem_dg&rsv_dl=gh_pl_sl_csd