SSM框架整合

在网上借鉴很多前辈的例子,自己尝试搭建一个SSM框架,第一次自己搭建框架 学到了很多知识 接下来会尝试自己封装一些方法 以下为整理后的代码:

首先创建一个meven项目;

项目目录:


pom.xml

<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/maven-v4_0_0.xsd">
  <modelVersion>4.0.0</modelVersion>
  <groupId>SSM-Meven</groupId>
  <artifactId>SSM-Meven</artifactId>
  <packaging>war</packaging>
  <version>0.0.1-SNAPSHOT</version>
  <name>SSM-Meven Maven Webapp</name>
  <url>http://maven.apache.org</url>
  <properties>
		<!-- spring版本号 -->
		<spring.version>4.0.2.RELEASE</spring.version>
		<!-- mybatis版本号 -->
		<mybatis.version>3.2.6</mybatis.version>
		<!-- log4j日志文件管理包版本 -->
		<slf4j.version>1.7.7</slf4j.version>
		<log4j.version>1.2.17</log4j.version>
	</properties>
  <dependencies>
    <dependency>
      <groupId>junit</groupId>
      <artifactId>junit</artifactId>
      <version>3.8.1</version>
      <scope>test</scope>
    </dependency>
    <!-- spring核心包 -->
		<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>${spring.version}</version>
		</dependency>
		<!-- mybatis核心包 -->
		<dependency>
			<groupId>org.mybatis</groupId>
			<artifactId>mybatis</artifactId>
			<version>${mybatis.version}</version>
		</dependency>
		<!-- mybatis/spring包 -->
		<dependency>
			<groupId>org.mybatis</groupId>
			<artifactId>mybatis-spring</artifactId>
			<version>1.2.2</version>
		</dependency>
		<!-- 导入java ee jar 包 -->
		<dependency>
			<groupId>javax</groupId>
			<artifactId>javaee-api</artifactId>
			<version>7.0</version>
		</dependency>
		<!-- 导入Mysql数据库链接jar包 -->
		<dependency>
			<groupId>mysql</groupId>
			<artifactId>mysql-connector-java</artifactId>
			<version>5.1.30</version>
		</dependency>
		<!-- 导入dbcp的jar包,用来在applicationContext.xml中配置数据库 -->
		<dependency>
			<groupId>commons-dbcp</groupId>
			<artifactId>commons-dbcp</artifactId>
			<version>1.2.2</version>
		</dependency>
		<!-- JSTL标签类 -->
		<dependency>
			<groupId>jstl</groupId>
			<artifactId>jstl</artifactId>
			<version>1.2</version>
		</dependency>
		<!-- 日志文件管理包 -->
		<!-- log start -->
		<dependency>
			<groupId>log4j</groupId>
			<artifactId>log4j</artifactId>
			<version>${log4j.version}</version>
		</dependency>
		<!-- 格式化对象,方便输出日志 -->
		<dependency>
			<groupId>com.alibaba</groupId>
			<artifactId>fastjson</artifactId>
			<version>1.1.41</version>
		</dependency>
	        <dependency>
			<groupId>org.slf4j</groupId>
			<artifactId>slf4j-api</artifactId>
			<version>${slf4j.version}</version>
		</dependency>
		<dependency>
			<groupId>org.slf4j</groupId>
			<artifactId>slf4j-log4j12</artifactId>
			<version>${slf4j.version}</version>
		</dependency>
		<!-- log end -->
		<!-- 映入JSON -->
		<dependency>
			<groupId>org.codehaus.jackson</groupId>
			<artifactId>jackson-mapper-asl</artifactId>
			<version>1.9.13</version>
		</dependency>
		<!-- 上传组件包 -->
		<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>
  <build>
    <finalName>SSM-Meven</finalName>
  </build>
</project>

jdbc.properties:

driver=com.mysql.jdbc.Driver
url=jdbc:mysql://localhost:3306/ssm
username=root
password=123456
#定义初始连接数  
initialSize=0
#定义最大连接数  
maxActive=20
#定义最大空闲  
maxIdle=20
#定义最小空闲  
minIdle=1
#定义最长等待时间  
maxWait=60000

log4j.properties:

#定义LOG输出级别
log4j.rootLogger=INFO,Console,File
#定义日志输出目的地为控制台
log4j.appender.Console=org.apache.log4j.ConsoleAppender
log4j.appender.Console.Target=System.out
#可以灵活地指定日志输出格式,下面一行是指定具体的格式
log4j.appender.Console.layout = org.apache.log4j.PatternLayout
log4j.appender.Console.layout.ConversionPattern=[%c] - %m%n

#文件大小到达指定尺寸的时候产生一个新的文件
log4j.appender.File = org.apache.log4j.RollingFileAppender
#指定输出目录
log4j.appender.File.File = logs/ssm.log
#定义文件最大大小
log4j.appender.File.MaxFileSize = 10MB
# 输出所以日志,如果换成DEBUG表示输出DEBUG以上级别日志
log4j.appender.File.Threshold = ALL
log4j.appender.File.layout = org.apache.log4j.PatternLayout
log4j.appender.File.layout.ConversionPattern =[%p] [%d{yyyy-MM-dd HH\:mm\:ss}][%c]%m%n

spring-mvc.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-3.1.xsd  
                        http://www.springframework.org/schema/context  
                        http://www.springframework.org/schema/context/spring-context-3.1.xsd  
                        http://www.springframework.org/schema/mvc  
                        http://www.springframework.org/schema/mvc/spring-mvc-4.0.xsd">
	<!-- 自动扫描该包,使SpringMVC认为包下用了@controller注解的类是控制器 -->
	<context:component-scan base-package="com.cn.ssm.controller" />
	<!-- 启动Spring MVC的注解功能,完成请求和注解POJO的映射 -->   
    <mvc:annotation-driven /> 
	<!--避免IE执行AJAX时,返回JSON出现下载文件 -->
	<bean id="mappingJacksonHttpMessageConverter"
		class="org.springframework.http.converter.json.MappingJacksonHttpMessageConverter">
		<property name="supportedMediaTypes">
			<list>
				<value>text/html;charset=UTF-8</value>
			</list>
		</property>
	</bean>
	<!-- 启动SpringMVC的注解功能,完成请求和注解POJO的映射 -->
	<bean
		class="org.springframework.web.servlet.mvc.annotation.AnnotationMethodHandlerAdapter">
		<property name="messageConverters">
			<list>
				<ref bean="mappingJacksonHttpMessageConverter" />	<!-- JSON转换器 -->
			</list>
		</property>
	</bean>
	<!-- 定义跳转的文件的前后缀 ,视图模式配置-->
	<bean class="org.springframework.web.servlet.view.InternalResourceViewResolver">
		<!-- 这里的配置我的理解是自动给后面action的方法return的字符串加上前缀和后缀,变成一个 可用的url地址 -->
		<property name="prefix" value="/WEB-INF/jsp/" />
		<property name="suffix" value=".jsp" />
	</bean>
	
	<!-- 配置文件上传,如果没有使用文件上传可以不用配置,当然如果不配,那么配置文件中也不必引入上传组件包 -->
	<bean id="multipartResolver"  
        class="org.springframework.web.multipart.commons.CommonsMultipartResolver">  
        <!-- 默认编码 -->
        <property name="defaultEncoding" value="utf-8" />  
        <!-- 文件大小最大值 -->
        <property name="maxUploadSize" value="10485760000" />  
        <!-- 内存中的最大值 -->
        <property name="maxInMemorySize" value="40960" />  
    </bean> 
</beans>

spring-mybatis.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-3.1.xsd  
                        http://www.springframework.org/schema/context  
                        http://www.springframework.org/schema/context/spring-context-3.1.xsd  
                        http://www.springframework.org/schema/mvc  
                        http://www.springframework.org/schema/mvc/spring-mvc-4.0.xsd">
	<!-- 自动扫描 -->
	<context:component-scan base-package="com.cn.ssm" />
	<!-- 引入配置文件 -->
	<bean id="propertyConfigurer"
		class="org.springframework.beans.factory.config.PropertyPlaceholderConfigurer">
		<property name="location" value="classpath:jdbc.properties" />
	</bean>

	<bean id="dataSource" class="org.apache.commons.dbcp.BasicDataSource"
		destroy-method="close">
		<property name="driverClassName" value="${driver}" />
		<property name="url" value="${url}" />
		<property name="username" value="${username}" />
		<property name="password" value="${password}" />
		<!-- 初始化连接大小 -->
		<property name="initialSize" value="${initialSize}"></property>
		<!-- 连接池最大数量 -->
		<property name="maxActive" value="${maxActive}"></property>
		<!-- 连接池最大空闲 -->
		<property name="maxIdle" value="${maxIdle}"></property>
		<!-- 连接池最小空闲 -->
		<property name="minIdle" value="${minIdle}"></property>
		<!-- 获取连接最大等待时间 -->
		<property name="maxWait" value="${maxWait}"></property>
	</bean>

	<!-- spring和MyBatis完美整合,不需要mybatis的配置映射文件 -->
	<bean id="sqlSessionFactory" class="org.mybatis.spring.SqlSessionFactoryBean">
		<property name="dataSource" ref="dataSource" />
		<!-- 自动扫描mapping.xml文件 -->
		<property name="mapperLocations" value="classpath:com/cn/ssm/mapping/*.xml"></property>
	</bean>

	<!-- DAO接口所在包名,Spring会自动查找其下的类 -->
	<bean class="org.mybatis.spring.mapper.MapperScannerConfigurer">
		<property name="basePackage" value="com.cn.ssm.dao" />
		<property name="sqlSessionFactoryBeanName" value="sqlSessionFactory"></property>
	</bean>

	<!-- (事务管理)transaction manager, use JtaTransactionManager for global tx -->
	<bean id="transactionManager"
		class="org.springframework.jdbc.datasource.DataSourceTransactionManager">
		<property name="dataSource" ref="dataSource" />
	</bean>

</beans>

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_3_0.xsd"
	version="3.0">
	<display-name>Archetype Created Web Application</display-name>
	<!-- Spring和mybatis的配置文件 -->
	<context-param>
		<param-name>contextConfigLocation</param-name>
		<param-value>classpath:spring-mybatis.xml</param-value>
	</context-param>
	<!-- 编码过滤器 -->
	<filter>
		<filter-name>encodingFilter</filter-name>
		<filter-class>org.springframework.web.filter.CharacterEncodingFilter</filter-class>
		<async-supported>true</async-supported>
		<init-param>
			<param-name>encoding</param-name>
			<param-value>UTF-8</param-value>
		</init-param>
	</filter>
	<filter-mapping>
		<filter-name>encodingFilter</filter-name>
		<url-pattern>/*</url-pattern>
	</filter-mapping>
	<!-- Spring监听器 -->
	<listener>
		<listener-class>org.springframework.web.context.ContextLoaderListener</listener-class>
	</listener>
	<!-- 防止Spring内存溢出监听器 -->
	<listener>
		<listener-class>org.springframework.web.util.IntrospectorCleanupListener</listener-class>
	</listener>

	<!-- Spring MVC servlet -->
	<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-mvc.xml</param-value>
		</init-param>
		<load-on-startup>1</load-on-startup>
		<async-supported>true</async-supported>
	</servlet>
	<servlet-mapping>
		<servlet-name>SpringMVC</servlet-name>
		<!-- 此处可以可以配置成*.do,对应struts的后缀习惯 -->
		<url-pattern>/</url-pattern>
	</servlet-mapping>
	<welcome-file-list>
		<welcome-file>/index.jsp</welcome-file>
	</welcome-file-list>
	<!-- 配置SESSION超时,单位是分钟 -->
	<session-config>
		<session-timeout>15</session-timeout>
	</session-config>

</web-app>

Controller:

package com.cn.ssm.controller;

import javax.annotation.Resource;
import javax.servlet.http.HttpServletRequest;

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

import com.cn.ssm.pojo.TblUser;
import com.cn.ssm.service.DemoService;

/**
 * demo Controller
 * @author wd
 * @date 2018-5-3
 */
@Controller
@RequestMapping("/demo")
public class DemoController {

	@Resource
	private DemoService demoService;
	
	@RequestMapping("/showUser")
	public String toIndex(HttpServletRequest request,Model model){
		TblUser user = this.demoService.findById("1");
		model.addAttribute("user", user);
		return "showUser";
	}
}

Service:

package com.cn.ssm.service;


import com.cn.ssm.pojo.TblUser;

/**
 * demo Service
 * @author wd
 * @date 2018-5-3
 */
public interface DemoService {

	//查询所有
	TblUser findById(String id);
}

ServiceImpl:

package com.cn.ssm.service.Impl;


import javax.annotation.Resource;

import org.springframework.stereotype.Service;

import com.cn.ssm.dao.DemoDao;
import com.cn.ssm.pojo.TblUser;
import com.cn.ssm.service.DemoService;
/**
 * demo Service实现类
 * @author wd
 * @date 2018-5-3
 */
@Service("demoService")
public class DemoServiceImpl implements DemoService {

	@Resource
	private DemoDao demoDao;

	/**
	 * 查询所有
	 */
	@Override
	public TblUser findById(String id) {
		return demoDao.findById(id);
	}

}

Dao:

package com.cn.ssm.dao;


import com.cn.ssm.pojo.TblUser;

/**
 * demo DAO接口
 * @author wd
 * @date 2018-5-3
 */ 
public interface DemoDao {

	//查询所有
	TblUser findById(String id);
}

实体类:

package com.cn.ssm.pojo;


/**
 * demo 实体类
 * @author wd
 * @date 2018-5-3
 */
public class TblUser {
    //主键id
	private String id;
	//姓名 账号
	private String name;
	//密码 
	private String password;
	
	public String getId() {
		return id;
	}
	public void setId(String id) {
		this.id = id;
	}
	public String getName() {
		return name;
	}
	public void setName(String name) {
		this.name = name;
	}
	public String getPassword() {
		return password;
	}
	public void setPassword(String password) {
		this.password = password;
	}
	
	
}

mapper.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.cn.ssm.dao.DemoDao" >
  <resultMap id="BaseResultMap" type="com.cn.ssm.pojo.TblUser" >
    <id column="id" property="id" jdbcType="VARCHAR" />
    <result column="name" property="name" jdbcType="VARCHAR" />
    <result column="password" property="password" jdbcType="VARCHAR" />
  </resultMap>
  <sql id="Base_Column_List" >
    id, name, password
  </sql>
  
  <select id="findById" resultMap="BaseResultMap" parameterType="String" >
    select 
    <include refid="Base_Column_List" />
    from user   where id = #{id}
  </select>
 
</mapper>

jsp: 

<%@ page language="java" import="java.util.*" pageEncoding="utf-8"%>
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">
<html>
  <head>
	<title>测试</title>
  </head>
  
  <body>
    ${user.name}
  </body>
</html>
 源码下载地址: 点击打开链接


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