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  • 回顾几年前主流架构SSM

    回顾几年前主流架构SSM

    Maven依赖

    <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>com.znsd.ssm</groupId>
    	<artifactId>ssm-web</artifactId>
    	<packaging>war</packaging>
    	<version>0.0.1-SNAPSHOT</version>
    	<name>ssm-web Maven Webapp</name>
    	<url>http://maven.apache.org</url>
    	<!-- 依赖属性定义 -->
    	<properties>
    		<project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
    		<spring.version>4.2.3.RELEASE</spring.version>
    		<javassist.version>3.11.0.GA</javassist.version>
    		<aspectj.version>1.5.3</aspectj.version>
    		<asm.version>3.2</asm.version>
    		<cglib.version>2.2.2</cglib.version>
    		<jackson.version>1.9.13</jackson.version>
    		<mybatis.version>3.2.8</mybatis.version>
    		<mybatis-spring.version>1.2.2</mybatis-spring.version>
    		<mysql-jdbc.version>5.0.8</mysql-jdbc.version>
    		<hessian.version>4.0.38</hessian.version>
    		<druid.version>1.0.12</druid.version>
    		<slf4j.version>1.6.1</slf4j.version>
    		<logback.version>1.1.2</logback.version>
    		<commons-codec.version>1.3</commons-codec.version>
    	</properties>
    
    	<dependencies>
    		<dependency>
    			<groupId>commons-codec</groupId>
    			<artifactId>commons-codec</artifactId>
    			<version>${commons-codec.version}</version>
    		</dependency>
    
    		<!-- spring begin -->
    		<dependency>
    			<groupId>org.springframework</groupId>
    			<artifactId>spring-core</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-beans</artifactId>
    			<version>${spring.version}</version>
    		</dependency>
    		<dependency>
    			<groupId>org.springframework</groupId>
    			<artifactId>spring-aspects</artifactId>
    			<version>${spring.version}</version>
    		</dependency>
    		<dependency>
    			<groupId>org.springframework</groupId>
    			<artifactId>spring-expression</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-jms</artifactId>
    			<version>${spring.version}</version>
    		</dependency>
    		<dependency>
    			<groupId>org.springframework</groupId>
    			<artifactId>spring-context</artifactId>
    			<version>${spring.version}</version>
    		</dependency>
    		<dependency>
    			<groupId>org.springframework</groupId>
    			<artifactId>spring-context-support</artifactId>
    			<version>${spring.version}</version>
    		</dependency>
    		<dependency>
    			<groupId>org.springframework</groupId>
    			<artifactId>spring-orm</artifactId>
    			<version>${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>
    		<!-- spring end -->
    
    		<!-- javassist -->
    		<dependency>
    			<groupId>javassist</groupId>
    			<artifactId>javassist</artifactId>
    			<version>${javassist.version}</version>
    		</dependency>
    
    		<!-- aspectj -->
    		<dependency>
    			<groupId>aspectj</groupId>
    			<artifactId>aspectjweaver</artifactId>
    			<version>${aspectj.version}</version>
    		</dependency>
    
    		<!-- asm -->
    		<dependency>
    			<groupId>asm</groupId>
    			<artifactId>asm</artifactId>
    			<version>${asm.version}</version>
    		</dependency>
    		<dependency>
    			<groupId>cglib</groupId>
    			<artifactId>cglib</artifactId>
    			<version>${cglib.version}</version>
    		</dependency>
    
    		<!-- json -->
    		<dependency>
    			<groupId>com.fasterxml.jackson.core</groupId>
    			<artifactId>jackson-core</artifactId>
    			<version>2.9.0</version>
    		</dependency>
    		<dependency>
    			<groupId>com.fasterxml.jackson.core</groupId>
    			<artifactId>jackson-annotations</artifactId>
    			<version>2.9.0</version>
    		</dependency>
    		<dependency>
    			<groupId>com.fasterxml.jackson.core</groupId>
    			<artifactId>jackson-databind</artifactId>
    			<version>2.9.0</version>
    		</dependency>
    
    		<!-- mybatis -->
    		<dependency>
    			<groupId>org.mybatis</groupId>
    			<artifactId>mybatis</artifactId>
    			<version>${mybatis.version}</version>
    		</dependency>
    		<dependency>
    			<groupId>org.mybatis</groupId>
    			<artifactId>mybatis-spring</artifactId>
    			<version>${mybatis-spring.version}</version>
    		</dependency>
    		<dependency>
    			<groupId>mysql</groupId>
    			<artifactId>mysql-connector-java</artifactId>
    			<version>${mysql-jdbc.version}</version>
    		</dependency>
    
    		<!-- spring mvc -->
    		<dependency>
    			<groupId>org.springframework</groupId>
    			<artifactId>spring-webmvc</artifactId>
    			<version>${spring.version}</version>
    		</dependency>
    
    		<dependency>
    			<groupId>org.springframework</groupId>
    			<artifactId>spring-web</artifactId>
    			<version>${spring.version}</version>
    		</dependency>
    
    		<!-- jsp servlet -->
    		<dependency>
    			<groupId>javax.servlet</groupId>
    			<artifactId>servlet-api</artifactId>
    			<version>2.5</version>
    			<scope>provided</scope>
    		</dependency>
    		<dependency>
    			<groupId>javax.servlet.jsp</groupId>
    			<artifactId>jsp-api</artifactId>
    			<version>2.1</version>
    			<scope>provided</scope>
    		</dependency>
    		<dependency>
    			<groupId>jsptags</groupId>
    			<artifactId>pager-taglib</artifactId>
    			<version>2.0</version>
    		</dependency>
    		<dependency>
    			<groupId>jstl</groupId>
    			<artifactId>jstl</artifactId>
    			<version>1.2</version>
    		</dependency>
    		<dependency>
    			<groupId>taglibs</groupId>
    			<artifactId>standard</artifactId>
    			<version>1.1.2</version>
    		</dependency>
    
    		<!-- junit -->
    		<dependency>
    			<groupId>junit</groupId>
    			<artifactId>junit</artifactId>
    			<version>4.11</version>
    			<scope>test</scope>
    		</dependency>
    
    		<!-- alibaba 数据源 -->
    		<dependency>
    			<groupId>com.alibaba</groupId>
    			<artifactId>druid</artifactId>
    			<version>${druid.version}</version>
    		</dependency>
    
    		<!-- log -->
    		<dependency>
    			<groupId>org.slf4j</groupId>
    			<artifactId>slf4j-api</artifactId>
    			<version>${slf4j.version}</version>
    		</dependency>
    		<dependency>
    			<groupId>org.slf4j</groupId>
    			<artifactId>jcl-over-slf4j</artifactId>
    			<version>${slf4j.version}</version>
    		</dependency>
    		<dependency>
    			<groupId>ch.qos.logback</groupId>
    			<artifactId>logback-classic</artifactId>
    			<version>${logback.version}</version>
    		</dependency>
    		<dependency>
    			<groupId>ch.qos.logback</groupId>
    			<artifactId>logback-core</artifactId>
    			<version>${logback.version}</version>
    		</dependency>
            <dependency>
    			<groupId>commons-fileupload</groupId>
    			<artifactId>commons-fileupload</artifactId>
    			<version>1.3.3</version>
    		</dependency>
            <dependency>
    			<groupId>commons-io</groupId>
    			<artifactId>commons-io</artifactId>
    			<version>2.3</version>
    		</dependency>
    	</dependencies>
    	
    	<build>
    		<finalName>ssm-web</finalName>
    
    		<plugins>
    			<!-- 编译插件,默认使用jdk1.8 -->
    			<plugin>
    				<groupId>org.apache.maven.plugins</groupId>
    				<artifactId>maven-compiler-plugin</artifactId>
    				<version>2.3.2</version>
    				<configuration>
    					<source>1.8</source>
    					<target>1.8</target>
    					<encoding>UTF-8</encoding>
    				</configuration>
    			</plugin>
    			<!-- 使用utf-8编码处理资源文件 -->
    			<plugin>
    				<groupId>org.apache.maven.plugins</groupId>
    				<artifactId>maven-resources-plugin</artifactId>
    				<version>2.4.3</version>
    				<configuration>
    					<encoding>UTF-8</encoding>
    				</configuration>
    			</plugin>
    		</plugins>
    	</build>
    </project>
    

    添加log4j配置文件

    • 由于MyBatis依赖与log4j输出sql语句信息,所以需要配置log4j配置文件。

      #设置输出级别和输出位置
      log4j.rootLogger=debug,Console
      #设置控制台相关的参数
      log4j.appender.Console=org.apache.log4j.ConsoleAppender  
      log4j.appender.Console.layout=org.apache.log4j.PatternLayout  
      log4j.appender.Console.layout.ConversionPattern=%d [%t] %-5p [%c] - %m%n  
      #设置MyBatis的输出内容
      log4j.logger.java.sql.ResultSet=INFO  
      log4j.logger.org.apache=INFO  
      log4j.logger.java.sql.Connection=DEBUG  
      log4j.logger.java.sql.Statement=DEBUG  
      log4j.logger.java.sql.PreparedStatement=DEBUG
      

    配置web.xml

    • 添加SpringMVC核心控制器DispatcheerServlet配置信息

      <!-- 配置SpringMVC的处理请求的Servlet -->
      <servlet>
          <servlet-name>dispatcherServlet</servlet-name>
          <servlet-class>
              org.springframework.web.servlet.DispatcherServlet
          </servlet-class>
          <init-param>
              <param-name>contextConfigLocation</param-name>
              <param-value>classpath:springmvc.xml</param-value>
          </init-param>
          <!-- 表示系统启动时自动加载这个servlet -->
          <load-on-startup>1</load-on-startup>
      </servlet>
      <servlet-mapping>
          <servlet-name>dispatcherServlet</servlet-name>
          <url-pattern>/</url-pattern>
      </servlet-mapping>
      

    添加编码过滤器

    • 添加乱码过滤器,避免提交时出现乱码。

      <!-- 开启编码过滤器 -->
      <filter>
          <description>字符集过滤器</description>
          <filter-name>encodingFilter</filter-name>
          <filter-class>org.springframework.web.filter.CharacterEncodingFilter</filter-class>
          <init-param>
              <description>字符集编码</description>
              <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>
      

    添加put和delete请求

    • 支持put和delete请求

      <!-- 设置是否支持put和delete请求 -->
      <filter>
          <filter-name>HiddenHttpMethodFilter</filter-name>
          <filter-class>org.springframework.web.filter.HiddenHttpMethodFilter</filter-class>
      </filter>
      <filter-mapping>
          <filter-name>HiddenHttpMethodFilter</filter-name>
          <url-pattern>/*</url-pattern>
      </filter-mapping>
      

    配置springmvc.xml

    • 添加springmvc的配置文件,设置自动扫描包路径,静态资源处理,视图解析器等。

      <?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"
      	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-4.2.xsd
              http://www.springframework.org/schema/mvc http://www.springframework.org/schema/mvc/spring-mvc-4.2.xsd
              http://www.springframework.org/schema/tx http://www.springframework.org/schema/tx/spring-tx-4.2.xsd">
          
      <!-- 自动扫描基包,将类加载到Spring容器中 -->
      <context:component-scan base-package="com.znsd.ssm" />
      
      <!-- 视图解析器:将逻辑视图转发到对应的物理视图 -->
      <bean class="org.springframework.web.servlet.view.InternalResourceViewResolver">
          <property name="prefix" value="/WEB-INF/views/" />
          <property name="suffix" value=".jsp" />
      </bean>
      
      <!-- 将静态资源交由tomcat来处理 -->
      <mvc:default-servlet-handler />
      
      <!-- 注册类型转换器 -->
      <mvc:annotation-driven />
      

    配置文件上传

    • 配置文件上传组件。

      <!-- 配置文件上传组件 -->
      <bean id="multipartResolver" class="org.springframework.web.multipart.commons.CommonsMultipartResolver">
          <!-- 指定默认的编码格式 -->
          <property name="defaultEncoding" value="UTF-8" />
          <!-- 指定允许上传的文件大小,单位Byte -->
          <property name="maxUploadSize" value="512000" />
      </bean>
      

    配置druid连接池信息

    • 配置c3p0连接池信息

      <!-- 加载properties配置文件 -->
      <context:property-placeholder location="classpath:jdbc.properties" />
      
      <!-- druid数据源 -->
      <bean id="dataSource" class="com.alibaba.druid.pool.DruidDataSource"
            init-method="init" destroy-method="close">
          <!-- 基本属性 url、user、password -->
          <property name="driverClassName" value="${jdbc.driver}" />
          <property name="url"
                    value="jdbc:mysql://${jdbc.host}:${jdbc.port}/${jdbc.dbname}?characterEncoding=UTF-8&amp;zeroDateTimeBehavior=convertToNull&amp;noAccessToProcedureBodies=true" />
          <property name="username" value="${jdbc.user}" />
          <property name="password" value="${jdbc.password}" />
          <!-- 配置初始化大小、最小、最大 -->
          <property name="initialSize" value="1" />
          <property name="minIdle" value="1" />
          <property name="maxActive" value="20" />
          <!-- 配置获取连接等待超时的时间 -->
          <property name="maxWait" value="60000" />
          <!-- 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="${jdbc.pool.timeBetweenEvictionRunsMillis}" />
          <!-- 配置一个连接在池中最小生存的时间,单位是毫秒 -->
          <property name="minEvictableIdleTimeMillis" value="${jdbc.pool.minEvictableIdleTimeMillis}" />
          <property name="validationQuery" value="SELECT 'x'" />
          <property name="testWhileIdle" value="true" />
          <property name="testOnBorrow" value="false" />
          <property name="testOnReturn" value="false" />
          <!--如果是Oracle的话需要配置一下参数 -->
          <!-- 打开PSCache,并且指定每个连接上PSCache的大小 -->
          <!--<property name="poolPreparedStatements" value="true" /> -->
          <!--<property name="maxPoolPreparedStatementPerConnectionSize" value="20" 
         /> -->
          <!-- 配置监控统计拦截的filters -->
          <property name="filters" value="stat" />
      </bean>
      
    • jdbc.properties文件

      ##jdbcu914Du7F6E##
      jdbc.driver=com.mysql.jdbc.Driver
      jdbc.dbname=test
      jdbc.port=3306
      jdbc.host=192.168.41.10
      jdbc.user=znsd_test
      jdbc.password=123456
      jdbc.pool.minPoolSize=5
      jdbc.pool.maxPoolSize=30
      jdbc.pool.initialPoolSize=5
      jdbc.pool.maxIdleTime=60
      jdbc.pool.timeBetweenEvictionRunsMillis=60000
      jdbc.pool.minEvictableIdleTimeMillis=300000
      

    配置sqlSessionFactory

    • MyBatis中使用sqlSessionFactory来生产session对象,和Hibernate中相似,也可以交由spring来管理。

    • 设置扫描的映射文件和dao包

      <!-- mybatis session 工厂 -->
      <bean id="sessionFactory" class="org.mybatis.spring.SqlSessionFactoryBean">
          <property name="dataSource" ref="dataSource" />
          <property name="mapperLocations">
              <list>
                  <value>classpath*:/mybatis-mapping/*.xml</value>
              </list>
          </property>
          <!-- 指定mybatis的配置文件(可有可无) -->
        	<property name="configLocation" value="classpath:mybatis.xml"></property>
      </bean>
      <!-- mybatis接口 -->
      <bean class="org.mybatis.spring.mapper.MapperScannerConfigurer">
          <!-- mybatis 接口包(如果有多个可以用,逗号隔开) -->
          <property name="basePackage" value="com.znsd.ssm" />
          <property name="sqlSessionFactoryBeanName" value="sessionFactory" />
          <property name="annotationClass" value="org.springframework.stereotype.Repository" />
      </bean>
      

    Mybatis映射文件

    • 在SSM中,可以省略mybatis配置文件,也可以添加,只不过需要在sqlSessionFactory中配置configLocation属性即可。

      <?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>
      	<!-- 取别名,这个必须按照一定的顺序配置 -->
      	<typeAliases>
      		<!-- 将这个包下面的所有的类全部倒入进来,明明规则就是类名首字母小写 -->
      		<package name="com.lxit.ssm.entities"/>
      		<!-- 指定单独一个类的别名 -->
      		<!-- <typeAlias type="com.lxit.ssm.entities.Student" alias="stu"/> -->
      	</typeAliases>
      </configuration>
      

    配置事务

    • 在Spring里面,可以通过AOP来管理事务,非常强大。

      <!-- 定义事务管理器(声明式的事务) -->
      <bean id="txManager" class="org.springframework.jdbc.datasource.DataSourceTransactionManager">
          <property name="dataSource" ref="dataSource" />
      </bean>
      
      <!-- 事务的通知方式 -->
      <tx:advice id="txAdvice" transaction-manager="txManager">
          <tx:attributes>
              <tx:method name="find*" propagation="REQUIRED" read-only="true" />
              <tx:method name="search*" propagation="REQUIRED" read-only="true" />
              <tx:method name="query*" propagation="REQUIRED" read-only="true" />
      
              <tx:method name="add*" propagation="REQUIRED" />
              <tx:method name="submit*" propagation="REQUIRED" />
              <tx:method name="save*" propagation="REQUIRED" />
              <tx:method name="insert*" propagation="REQUIRED" />
      
              <tx:method name="del*" propagation="REQUIRED" />
              <tx:method name="remove*" propagation="REQUIRED" />
      
              <tx:method name="update*" propagation="REQUIRED" />
              <tx:method name="modify*" propagation="REQUIRED" />
      
              <tx:method name="*" propagation="REQUIRED" read-only="true" />
          </tx:attributes>
      </tx:advice>
      

    到了这里配置就已经完成了。

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  • 原文地址:https://www.cnblogs.com/SimpleWu/p/9800665.html
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