搭建SSM的过程及关键配置文件
时间:2021-08-19
本文章向大家介绍搭建SSM的过程及关键配置文件,主要包括搭建SSM的过程及关键配置文件使用实例、应用技巧、基本知识点总结和需要注意事项,具有一定的参考价值,需要的朋友可以参考一下。
1. 系统目录结构
2. 资源配置文件逻辑
/HRM_SSM/resource/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:p="http://www.springframework.org/schema/p" xmlns:tx="http://www.springframework.org/schema/tx" xmlns:context="http://www.springframework.org/schema/context" xsi:schemaLocation=" http://www.springframework.org/schema/beans http://www.springframework.org/schema/beans/spring-beans-2.5.xsd http://www.springframework.org/schema/aop http://www.springframework.org/schema/aop/spring-aop-2.5.xsd http://www.springframework.org/schema/tx http://www.springframework.org/schema/tx/spring-tx-2.5.xsd http://www.springframework.org/schema/context http://www.springframework.org/schema/context/spring-context.xsd"> <import resource="spring/spring-dao.xml"/> <import resource="spring/spring-service.xml"/> <import resource="spring/spring-mvc.xml"/> </beans>
/HRM_SSM/resource/db.properties
jdbc.driver=com.mysql.cj.jdbc.Driver jdbc.url=jdbc:mysql://localhost:3306/hrm?useSSL=false&serverTimezone=UTC& characterEncoding=utf8 jdbc.username=root jdbc.password=123456 jdbc.initialSize=10 jdbc.maxActive=50 jdbc.maxIdle=20 jdbc.minIdle=5 jdbc.maxWait=60000 jdbc.removeAbandonedTimeout=180 jdbc.removeAbandoned=true
/HRM_SSM/resource/log4j.properties
# Global logging configuration log4j.rootLogger=DEBUG, stdout # Console output... log4j.appender.stdout=org.apache.log4j.ConsoleAppender log4j.appender.stdout.layout=org.apache.log4j.PatternLayout log4j.appender.stdout.layout.ConversionPattern=%5p [%t] - %m%n
/HRM_SSM/resource/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> <typeAliases> <!--这里给实体类取别名,方便在mapper配置文件中使用 --> <package name="com.gec.pojo" /> </typeAliases> <mappers> <!-- <mapper class="com.gec.mapper.UserMapper" /> <mapper class="com.gec.mapper.DeptMapper" /> <mapper class="com.gec.mapper.DocumentMapper" /> <mapper class="com.gec.mapper.EmployeeMapper" /> <mapper class="com.gec.mapper.JobMapper" /> <mapper class="com.gec.mapper.NoticeMapper" /> <mapper class="com.gec.mapper.NotypeMapper" /> --> </mappers> </configuration>
/HRM_SSM/resource/spring/spring-dao.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: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/context http://www.springframework.org/schema/context/spring-context.xsd http://www.springframework.org/schema/mvc https://www.springframework.org/schema/mvc/spring-mvc.xsd"> <!-- 1.加载数据库配置文件 --> <context:property-placeholder location="classpath:db.properties" /> <!-- 2.配置数据源 --> <bean id="dataSource" class="org.apache.commons.dbcp.BasicDataSource" destroy-method="close" scope="singleton"> <property name="driverClassName" value="${jdbc.driver}" /> <property name="url" value="${jdbc.url}" /> <property name="username" value="${jdbc.username}" /> <property name="password" value="${jdbc.password}" /> <property name="initialSize" value="${jdbc.initialSize}"/> <property name="maxActive" value="${jdbc.maxActive}"/> <property name="maxIdle" value="${jdbc.maxIdle}"/> <property name="minIdle" value="${jdbc.minIdle}"/> <property name="maxWait" value="${jdbc.maxWait}"/> <property name="removeAbandonedTimeout" value="${jdbc.removeAbandonedTimeout}"/> <property name="removeAbandoned" value="${jdbc.removeAbandoned}"/> <!-- sql 心跳 --> <property name= "testWhileIdle" value="true"/> <property name= "testOnBorrow" value="false"/> <property name= "testOnReturn" value="false"/> <property name= "validationQuery" value="select 1"/> <property name= "timeBetweenEvictionRunsMillis" value="60000"/> <property name= "numTestsPerEvictionRun" value="${jdbc.maxActive}"/> </bean> <!-- 3.配置 sqlSessionFactory--> <bean id="sqlSessionFactory" class="org.mybatis.spring.SqlSessionFactoryBean"> <property name="configLocation" value="classpath:mybatis-config.xml" /> <property name="dataSource" ref="dataSource"/> </bean> <!-- 4.批量扫描包mapper --> <bean class="org.mybatis.spring.mapper.MapperScannerConfigurer"> <!-- 指定扫描的包名 如果扫描多个包,每个包中间使用半角逗号分隔 --> <property name="basePackage" value="com.gec.mapper"/> <property name="sqlSessionFactoryBeanName" value="sqlSessionFactory"/> </bean> </beans>
/HRM_SSM/resource/spring/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:mvc="http://www.springframework.org/schema/mvc" xmlns:p="http://www.springframework.org/schema/p" xmlns:context="http://www.springframework.org/schema/context" 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/mvc http://www.springframework.org/schema/mvc/spring-mvc.xsd"> <!-- 1.开启注解驱动 --> <mvc:annotation-driven> <mvc:message-converters register-defaults="true"> <bean class="org.springframework.http.converter.StringHttpMessageConverter"> <constructor-arg value="UTF-8"/> </bean> <bean class="org.springframework.http.converter.json.MappingJackson2HttpMessageConverter"> <property name="objectMapper"> <bean class="org.springframework.http.converter.json.Jackson2ObjectMapperFactoryBean"> <property name="failOnEmptyBeans" value="false"/> </bean> </property> </bean> </mvc:message-converters> </mvc:annotation-driven> <!-- 2.防止静态资源被过滤 --> <mvc:default-servlet-handler /> <!-- 3.扫描注解目录 --> <context:component-scan base-package="com.gec.controller" /> <!-- 4.配置jsp 显示ViewResolver视图解析器 --> <bean class="org.springframework.web.servlet.view.InternalResourceViewResolver"> <property name="viewClass" value="org.springframework.web.servlet.view.JstlView" /> <!-- <property name="prefix" value="/WEB-INF/jsp/" /> <property name="suffix" value=".jsp" /> --> </bean> <!-- 5.配置mutiles显示ViewResolver视图解析器 --> <!-- 配置MultipartResolver 用于文件上传 使用spring的CommosMultipartResolver --> <bean id="multipartResolver" class="org.springframework.web.multipart.commons.CommonsMultipartResolver" p:defaultEncoding="UTF-8" p:maxUploadSize="5400000" p:uploadTempDir="fileUpload/temp"> <!--D:\spring mvc workspace\.metadata\.plugins\org.eclipse.wst.server.core\tmp0\wtpwebapps\fileUpload --> </bean> <!-- defaultEncoding="UTF-8" 是请求的编码格式,默认为iso-8859-1 maxUploadSize="5400000" 是允许上传文件的最大值,单位为字节 uploadTempDir="fileUpload/temp" 为上传文件的临时路径 --> <!--6.关于拦截器的配置 --> <mvc:interceptors> <mvc:interceptor> <!--/** 包括路径及其子路径 --> <!--/admin/* 拦截的是/admin/add等等这种 , /admin/add/user不会被拦截 --> <!--/admin/** 拦截的是/admin/下的所有 --> <mvc:mapping path="/*.do" /> <!--bean配置的就是拦截器 --> <bean class="com.gec.interceptor.SysInterceptor" /> </mvc:interceptor> </mvc:interceptors> </beans>
/HRM_SSM/resource/spring/spring-service.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: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.xsd http://www.springframework.org/schema/mvc https://www.springframework.org/schema/mvc/spring-mvc.xsd http://www.springframework.org/schema/tx http://www.springframework.org/schema/tx/spring-tx.xsd"> <!-- 1.扫描注解目录 --> <context:component-scan base-package="com.gec.service" /> <!-- 2.配置事务管理器 --> <bean id="txManager" class="org.springframework.jdbc.datasource.DataSourceTransactionManager"> <!-- 注入数据库连接池 --> <property name="dataSource" ref="dataSource" /> </bean> <!-- 3开启事务注解 --> <tx:annotation-driven transaction-manager="txManager" /> </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" id="WebApp_ID" version="3.0"> <display-name>HRM</display-name> <!-- 1.index.jsp配置 --> <welcome-file-list> <welcome-file>index.jsp</welcome-file> <welcome-file>default.jsp</welcome-file> </welcome-file-list> <!--2.encodingFilter防止乱码--> <filter> <filter-name>encodingFilter</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>encodingFilter</filter-name> <url-pattern>/*</url-pattern> </filter-mapping> <!--3.注册DispatcherServlet--> <servlet> <servlet-name>springmvc</servlet-name> <servlet-class>org.springframework.web.servlet.DispatcherServlet</servlet-class> <!--关联一个springmvc的配置文件:【servlet-name】-servlet.xml--> <init-param> <param-name>contextConfigLocation</param-name> <param-value>classpath:applicationContext.xml</param-value> </init-param> <!--启动级别-1--> <load-on-startup>1</load-on-startup> </servlet> <!--/ 匹配所有的请求;(不包括.jsp)--> <!--/* 匹配所有的请求;(包括.jsp)--> <servlet-mapping> <servlet-name>springmvc</servlet-name> <url-pattern>/</url-pattern> </servlet-mapping> <!--4.Session过期时间--> <session-config> <session-timeout>15</session-timeout> </session-config> </web-app>
3.Controller文件
4.service使用
5.dao-maper
原文地址:https://www.cnblogs.com/cqmcu/p/15161185.html
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