SSM整合系列之 SSM專案整合
Spring、SpringMVC和Mybatis已經是非常成熟的框架了,使用該框架開發已有些時日了,從今天開始呢就對用此框架開發的過程進行一系列的總結,旨在個人總結中提升自己,同時能幫到需要的人就更好了(大牛可忽略此文)。本文將著重介紹專案的搭建整合。
專案git地址:https://github.com/gitcaiqing/SSM_DEMO.git
1 Maven Web專案建立
2 SSM整合
專案結構如下圖:
2.1 web.xml配置
webapp下建立WEB-INF然後建立web.xml檔案,檔案內容如下:
<?xml version="1.0" encoding="UTF-8"?> <web-app version="3.0" xmlns="http://java.sun.com/xml/ns/javaee" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://java.sun.com/xml/ns/javaee http://java.sun.com/xml/ns/javaee/web-app_3_0.xsd"> <display-name>SSM整合專案Demo</display-name> <!-- 配置檔案 --> <context-param> <param-name>contextConfigLocation</param-name> <param-value> classpath*:spring/*.xml,classpath*:servlet/*.xml</param-value> </context-param> <!-- Spring監聽器 --> <listener> <listener-class>org.springframework.web.context.ContextLoaderListener</listener-class> </listener> <!-- 編碼過濾器 --> <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> <init-param> <param-name>forceEncoding</param-name> <param-value>true</param-value> </init-param> </filter> <filter-mapping> <filter-name>encodingFilter</filter-name> <url-pattern>/*</url-pattern> </filter-mapping> <!-- 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*:servlet/*.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> <session-config> <session-timeout>30</session-timeout> </session-config> <welcome-file-list> <welcome-file>index.jsp</welcome-file> </welcome-file-list> </web-app>
2.2 Maven引入需要的JAR包
<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/xsd/maven-4.0.0.xsd"> <modelVersion>4.0.0</modelVersion> <groupId>com.ssm</groupId> <artifactId>SSM_DEMO</artifactId> <version>0.0.1-SNAPSHOT</version> <packaging>war</packaging> <description>SSM整合專案Demo</description> <properties> <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding> <spring.version>4.1.4.RELEASE</spring.version> <jackson.version>2.5.0</jackson.version> <shiro.version>1.2.3</shiro.version> </properties> <dependencies> <!-- 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>${spring.version}</version> </dependency> <!-- mybatis 包 --> <dependency> <groupId>org.mybatis</groupId> <artifactId>mybatis</artifactId> <version>3.2.8</version> </dependency> <!--mybatis spring 外掛 --> <dependency> <groupId>org.mybatis</groupId> <artifactId>mybatis-spring</artifactId> <version>1.2.2</version> </dependency> <!-- mysql連線 --> <dependency> <groupId>mysql</groupId> <artifactId>mysql-connector-java</artifactId> <version>5.1.34</version> </dependency> <!-- 資料來源druid --> <dependency> <groupId>com.alibaba</groupId> <artifactId>druid</artifactId> <version>1.0.11</version> </dependency> <dependency> <groupId>org.aspectj</groupId> <artifactId>aspectjweaver</artifactId> <version>1.8.4</version> </dependency> <!-- log4j --> <dependency> <groupId>log4j</groupId> <artifactId>log4j</artifactId> <version>1.2.17</version> </dependency> <dependency> <groupId>org.slf4j</groupId> <artifactId>slf4j-api</artifactId> <version>1.7.7</version> </dependency> <dependency> <groupId>org.slf4j</groupId> <artifactId>slf4j-log4j12</artifactId> <version>1.7.7</version> </dependency> <!-- servlet --> <dependency> <groupId>javax.servlet</groupId> <artifactId>javax.servlet-api</artifactId> <version>3.0.1</version> <scope>provided</scope> </dependency> <dependency> <groupId>javax.servlet</groupId> <artifactId>jstl</artifactId> <version>1.2</version> </dependency> <!-- json --> <dependency> <groupId>org.codehaus.jackson</groupId> <artifactId>jackson-mapper-asl</artifactId> <version>1.9.13</version> </dependency> <dependency> <groupId>com.fasterxml.jackson.core</groupId> <artifactId>jackson-annotations</artifactId> <version>${jackson.version}</version> </dependency> <dependency> <groupId>com.fasterxml.jackson.core</groupId> <artifactId>jackson-core</artifactId> <version>${jackson.version}</version> </dependency> <dependency> <groupId>com.fasterxml.jackson.core</groupId> <artifactId>jackson-databind</artifactId> <version>${jackson.version}</version> </dependency> <!-- 解析xml --> <dependency> <groupId>com.fasterxml.jackson.dataformat</groupId> <artifactId>jackson-dataformat-xml</artifactId> <version>${jackson.version}</version> </dependency> <!-- gson --> <!-- https://mvnrepository.com/artifact/com.google.code.gson/gson --> <dependency> <groupId>com.google.code.gson</groupId> <artifactId>gson</artifactId> <version>2.8.0</version> </dependency> <!-- 檔案上傳 --> <dependency> <groupId>commons-io</groupId> <artifactId>commons-io</artifactId> <version>2.4</version> </dependency> <dependency> <groupId>commons-fileupload</groupId> <artifactId>commons-fileupload</artifactId> <version>1.2.2</version> </dependency> <dependency> <groupId>commons-collections</groupId> <artifactId>commons-collections</artifactId> <version>3.2.1</version> </dependency> <dependency> <groupId>commons-codec</groupId> <artifactId>commons-codec</artifactId> <version>1.6</version> </dependency> <dependency> <groupId>org.hibernate</groupId> <artifactId>hibernate-validator</artifactId> <version>5.2.1.Final</version> </dependency> <dependency> <groupId>net.sf.json-lib</groupId> <artifactId>json-lib</artifactId> <version>2.3</version> <classifier>jdk15</classifier> </dependency> <dependency> <groupId>net.sf.ezmorph</groupId> <artifactId>ezmorph</artifactId> <version>1.0.5</version> </dependency> <!-- 常用工具包 --> <dependency> <groupId>org.apache.commons</groupId> <artifactId>commons-lang3</artifactId> <version>3.3.2</version> </dependency> </dependencies> <build> <plugins> <plugin> <groupId>org.apache.maven.plugins</groupId> <artifactId>maven-surefire-plugin</artifactId> <configuration> <skip>true</skip> </configuration> <version>2.18.1</version> </plugin> <plugin> <artifactId>maven-war-plugin</artifactId> <configuration> <webappDirectory>WebRoot</webappDirectory> <warSourceDirectory>WebRoot</warSourceDirectory> <packagingExcludes>WEB-INF/lib/javax.annotation-api-1.2.jar</packagingExcludes> </configuration> <version>2.4</version> </plugin> <plugin> <groupId>org.apache.maven.plugins</groupId> <artifactId>maven-compiler-plugin</artifactId> <version>3.2</version> <configuration> <source>1.7</source> <target>1.7</target> </configuration> </plugin> </plugins> </build> </project>
2.3、資料庫連線和Log4j配置
src-main-resource下建立config資料夾,然後建立jdbc.properties檔案,檔案內容如下:
#服務端 jdbc.driverClassName=com.mysql.jdbc.Driver #主庫 jdbc.url = jdbc\:mysql\://localhost\:3306/db_ssmdemo?useUnicode\=true&characterEncoding\=UTF-8&allowMultiQueries\=true jdbc.username = root jdbc.password = 123456 jdbc.initialSize=2 jdbc.maxActive=5 jdbc.maxIdle=5 jdbc.minIdle=1 jdbc.validationQuery=select 1
src-main-resource建立檔案log4j.properties,檔案內容如下:
log4j.rootLogger = DEBUG,stdout,A1,A2
### STDOUT
log4j.appender.stdout = org.apache.log4j.ConsoleAppender
log4j.appender.stdout.Target = System.out
log4j.appender.stdout.layout = org.apache.log4j.PatternLayout
log4j.appender.stdout.layout.ConversionPattern =[%d{yyyy-MM-dd HH:mm:ss}][%p] %m %n
### INFO
log4j.appender.A1 = org.apache.log4j.DailyRollingFileAppender
log4j.appender.A1.File =../logs/info.log
log4j.appender.A1.Append = true
log4j.appender.A1.Threshold =INFO
log4j.appender.A1.layout = org.apache.log4j.PatternLayout
log4j.appender.A1.layout.ConversionPattern =[%d{yyyy-MM-dd HH:mm:ss}][%p] %m %n
###ERROR
log4j.appender.A2 = org.apache.log4j.DailyRollingFileAppender
log4j.appender.A2.File =../logs/error.log
log4j.appender.A2.Append = true
log4j.appender.A2.Threshold =ERROR
log4j.appender.A2.layout = org.apache.log4j.PatternLayout
log4j.appender.A2.layout.ConversionPattern =[%d{yyyy-MM-dd HH:mm:ss}][%p] %m %n
log4j.logger.com.ibatis=DEBUG
log4j.logger.com.ibatis.common.jdbc.SimpleDataSource=DEBUG
log4j.logger.com.ibatis.common.jdbc.ScriptRunner=DEBUG
log4j.logger.com.ibatis.sqlmap.engine.impl.SqlMapClientDelegate=DEBUG
log4j.logger.org.mybatis=DEBUG
log4j.logger.java.sql.Connection=DEBUG
log4j.logger.java.sql.Statement=DEBUG
log4j.logger.java.sql.PreparedStatement=DEBUG
log4j.logger.java.sql.ResultSet=DEBUG
2.4Spring配置
src-main-resource下建立spring資料夾,然後建立applicationContext.xml檔案
<?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:tx="http://www.springframework.org/schema/tx"
xsi:schemaLocation="http://www.springframework.org/schema/beans http://www.springframework.org/schema/beans/spring-beans-4.1.xsd http://www.springframework.org/schema/tx http://www.springframework.org/schema/tx/spring-tx-4.1.xsd">
<bean id="sqlSessionFactory" class="org.mybatis.spring.SqlSessionFactoryBean">
<property name="dataSource" ref="dataSource" />
<property name="mapperLocations">
<list>
<value>classpath:sql/*.xml</value>
</list>
</property>
</bean>
<bean class="org.mybatis.spring.mapper.MapperScannerConfigurer">
<property name="basePackage" value="com.ssm.mapper" />
<property name="sqlSessionFactoryBeanName" value="sqlSessionFactory" />
</bean>
<bean id="sqlSession" class="org.mybatis.spring.SqlSessionTemplate" scope="prototype">
<constructor-arg index="0" ref="sqlSessionFactory" />
</bean>
<!-- 使用annotation定義事務,使用cglib代理,解決同一service中事務方法相互呼叫的 巢狀事務失效問題 -->
<tx:annotation-driven transaction-manager="transactionManager" proxy-target-class="true"/>
<!--事務配置 -->
<bean id="transactionManager" class="org.springframework.jdbc.datasource.DataSourceTransactionManager">
<property name="dataSource" ref="dataSource" />
</bean>
</beans>
2.5資料來源配置
spring檔案加下建立dataAccessContext.xml檔案
<?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:tx="http://www.springframework.org/schema/tx"
xmlns:aop="http://www.springframework.org/schema/aop"
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/tx http://www.springframework.org/schema/tx/spring-tx-4.1.xsd
http://www.springframework.org/schema/aop
http://www.springframework.org/schema/aop/spring-aop-4.0.xsd">
<description>資料庫、事務配置</description>
<!-- 資料來源-->
<bean id="dataSource" class="com.alibaba.druid.pool.DruidDataSource" destroy-method="close">
<property name="driverClassName" value="${jdbc.driverClassName}" />
<property name="url" value="${jdbc.url}" />
<property name="username" value="${jdbc.username}" />
<property name="password" value="${jdbc.password}" />
<property name="initialSize" value="${jdbc.initialSize}" />
<property name="maxActive" value="${jdbc.maxActive}" />
<property name="maxIdle" value="${jdbc.maxIdle}" />
<property name="minIdle" value="${jdbc.minIdle}" />
<property name="validationQuery" value="${jdbc.validationQuery}" />
<!-- 監控資料庫 -->
<!--<property name="filters" value="mergeStat" />-->
<property name="filters" value="stat" />
<property name="connectionProperties" value="druid.stat.mergeSql=true" />
</bean>
</beans>
2.6 Mybatis配置
spring檔案加下建立mybatis.xml檔案,該檔案為spring和mybatis整合內容
<?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:tx="http://www.springframework.org/schema/tx"
xsi:schemaLocation="http://www.springframework.org/schema/beans http://www.springframework.org/schema/beans/spring-beans-4.1.xsd http://www.springframework.org/schema/tx http://www.springframework.org/schema/tx/spring-tx-4.1.xsd">
<bean id="sqlSessionFactory" class="org.mybatis.spring.SqlSessionFactoryBean">
<property name="dataSource" ref="dataSource" />
<property name="mapperLocations">
<list>
<value>classpath:sql/*.xml</value>
</list>
</property>
</bean>
<bean class="org.mybatis.spring.mapper.MapperScannerConfigurer">
<property name="basePackage" value="com.ssm.mapper" />
<property name="sqlSessionFactoryBeanName" value="sqlSessionFactory" />
</bean>
<bean id="sqlSession" class="org.mybatis.spring.SqlSessionTemplate" scope="prototype">
<constructor-arg index="0" ref="sqlSessionFactory" />
</bean>
<!-- 使用annotation定義事務,使用cglib代理,解決同一service中事務方法相互呼叫的 巢狀事務失效問題 -->
<tx:annotation-driven transaction-manager="transactionManager" proxy-target-class="true"/>
<!--事務配置 -->
<bean id="transactionManager" class="org.springframework.jdbc.datasource.DataSourceTransactionManager">
<property name="dataSource" ref="dataSource" />
</bean>
</beans>
2.7 整合SpringMVC
src-main-resource下建立servlet資料夾,然後建立spring-mvc.xml檔案
<?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:aop="http://www.springframework.org/schema/aop"
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/aop
http://www.springframework.org/schema/aop/spring-aop-4.1.xsd
http://www.springframework.org/schema/mvc
http://www.springframework.org/schema/mvc/spring-mvc-4.1.xsd">
<!-- 自動掃描,只掃描Controller -->
<context:component-scan base-package="com.ssm">
<context:include-filter type="annotation" expression="org.springframework.stereotype.Controller"/>
<context:exclude-filter type="annotation" expression="org.springframework.stereotype.Service" />
</context:component-scan>
<!-- 啟用spring mvc 註解 -->
<mvc:annotation-driven>
<mvc:message-converters register-defaults="true">
<!-- 將StringHttpMessageConverter的預設編碼設為UTF-8 -->
<bean class="org.springframework.http.converter.StringHttpMessageConverter">
<constructor-arg value="UTF-8" />
</bean>
<bean class="org.springframework.http.converter.ByteArrayHttpMessageConverter"/>
<!-- 將Jackson2HttpMessageConverter的預設格式化輸出設為true -->
<bean class="org.springframework.http.converter.json.MappingJackson2HttpMessageConverter">
<property name="prettyPrint" value="true"/>
</bean>
</mvc:message-converters>
</mvc:annotation-driven>
<!-- 靜態資源 -->
<!-- <mvc:resources mapping="/static/**" location="/static/" /> -->
<!-- 試圖解析後臺 -->
<bean class="org.springframework.web.servlet.view.InternalResourceViewResolver">
<property name="prefix" value="/WEB-INF/views" />
<property name="suffix" value=".jsp" />
<property name="order" value="1" />
</bean>
<!-- 配置多檔案上傳 -->
<bean id="multipartResolver"
class="org.springframework.web.multipart.commons.CommonsMultipartResolver">
<property name="defaultEncoding">
<value>UTF-8</value>
</property>
<property name="maxUploadSize">
<!-- 上傳檔案大小限制為100M,100*1024*1024 -->
<value>104857600</value>
</property>
<property name="maxInMemorySize">
<value>4096</value>
</property>
</bean>
</beans>
2.8建立index.jsp頁面
在webapp建立index.jsp頁面
<%@ page language="java" contentType="text/html; charset=ISO-8859-1"
pageEncoding="ISO-8859-1"%>
<!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=ISO-8859-1">
<title>Insert title here</title>
</head>
<body>
<h1>index.jsp</h1>
</body>
</html>
2.9 建立一個測試Controller,類為HelloController
package com.ssm.controller;
import org.springframework.stereotype.Controller;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.ResponseBody;
@Controller
@RequestMapping("test")
public class HelloController {
@RequestMapping("hello")
@ResponseBody
public String hello() {
return "hello";
}
}
訪問http://IP地址:埠號/SSM_DEMO/test/hello,即可檢視返回值,正常返回,說明專案搭建成功