详解手把手Maven搭建SpringMVC+Spring+MyBatis框架(超级详细版)
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2023-12-10 15:21:22
ssm（spring+springmvc+mybatis），目前较为主流的企业级架构方案。标准的mvc设计模式，将整个系统划分为显示层、controller层、servic...
ssm（spring+springmvc+mybatis），目前较为主流的企业级架构方案。标准的mvc设计模式，将整个系统划分为显示层、controller层、service层、dao层四层，使用springmvc负责请求的转发和视图管理，spring实现业务对象管理, mybatis作为数据对象持久化引擎。
一. 框架详情
spring是一个轻量级的java开发框架，它是为了解决企业应用开发的复杂性而创建的。spring的用途不仅限于服务器端的开发。从简单性、可测试性和松耦合的角度而言，任何java应用都可以从spring中受益。 简单来说，spring是一个轻量级的控制反转（ioc）和面向切面（aop）的容器框架
springmvc属于springframework的后续产品，分离了控制器、模型对象、分派器以及处理程序对象的角色，这种分离让它们更容易进行定制
mybatis是一个基于java的持久层框架。mybatis提供的持久层框架包括sql maps和data access objects（dao）它消除了几乎所有的jdbc代码和参数的手工设置以及结果集的检索。mybatis 使用简单的 xml或注解用于配置和原始映射，将接口和 java映射成数据库中的记录
二. 创建maven项目
1、eclipse中用maven创建项目
2、按默认next
3、找到maven-archetype-webapp后，点击next
4、填写相应的信息，groupid是项目组织唯一的标识符，实际对应java的包的结构。artifactid就是项目的唯一的标识符，实际对应项目的名称，就是项目根目录的名称。package填了默认给你建一个包，不写也可以。
5、刚建好的目录如下
6、maven规定必须添加以下source folder：
src/main/resources
src/main/java
src/test/resources
src/test/java
在这步之前最好先项目上右键选择properties，然后点击java build path，在librarys下，编辑jre system library，选择workspace default jre。
7、分别修改输出路径为，对应关系如下：
8、将项目转换成dynamic web project，在项目上右键properties，在左侧选择 project facets。
9、设置部署时的文件发布路径，删除test的两项，因为test是测试使用，并不需要部署。
设置将maven的jar包发布到lib下。add -> java build path entries -> maven dependencies -> finish
三. 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/maven-v4_0_0.xsd">
<modelversion>4.0.0</modelversion>
<groupid>com.yingjun.test</groupid>
<artifactid>tradingstate</artifactid>
<packaging>war</packaging>
<version>2.0.1</version>
<properties>
<project.build.sourceencoding>utf-8</project.build.sourceencoding>
<maven.build.timestamp.format>yyyymmddhhmmss</maven.build.timestamp.format>
<spring.version>3.2.9.release</spring.version>
<mybatis.version>3.1.1</mybatis.version>
<mybatisspring.version>1.1.1</mybatisspring.version>
</properties>
<dependencies>
<dependency>
<groupid>org.springframework</groupid>
<artifactid>spring-core</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-test</artifactid>
<version>${spring.version}</version>
</dependency>
<dependency>
<groupid>org.mybatis</groupid>
<artifactid>mybatis</artifactid>
<version>${mybatis.version}</version>
</dependency>
<dependency>
<groupid>org.mybatis</groupid>
<artifactid>mybatis-spring</artifactid>
<version>${mybatisspring.version}</version>
</dependency>
<dependency>
<groupid>mysql</groupid>
<artifactid>mysql-connector-java</artifactid>
<version>5.1.34</version>
</dependency>
<dependency>
<groupid>junit</groupid>
<artifactid>junit</artifactid>
<version>4.11</version>
<scope>test</scope>
</dependency>
<dependency>
<groupid>c3p0</groupid>
<artifactid>c3p0</artifactid>
<version>0.9.1.2</version>
</dependency>
<dependency>
<groupid>org.aspectj</groupid>
<artifactid>aspectjweaver</artifactid>
<version>1.8.1</version>
</dependency>
<dependency>
<groupid>javax.servlet</groupid>
<artifactid>jstl</artifactid>
<version>1.2</version>
</dependency>
<dependency>
<groupid>javax.servlet</groupid>
<artifactid>servlet-api</artifactid>
<version>3.0</version>
<scope>provided</scope>
</dependency>
<dependency>
<groupid>javax.servlet.jsp</groupid>
<artifactid>jsp-api</artifactid>
<version>2.2</version>
<scope>provided</scope>
</dependency>
<dependency>
<groupid>commons-fileupload</groupid>
<artifactid>commons-fileupload</artifactid>
<version>1.3.1</version>
</dependency>
<dependency>
<groupid>commons-lang</groupid>
<artifactid>commons-lang</artifactid>
<version>2.6</version>
</dependency>
<dependency>
<groupid>commons-codec</groupid>
<artifactid>commons-codec</artifactid>
<version>1.9</version>
</dependency>
<dependency>
<groupid>org.apache.httpcomponents</groupid>
<artifactid>httpclient</artifactid>
<version>4.5</version>
</dependency>
<dependency>
<groupid>org.slf4j</groupid>
<artifactid>slf4j-api</artifactid>
<version>1.7.10</version>
</dependency>
<dependency>
<groupid>org.slf4j</groupid>
<artifactid>slf4j-log4j12</artifactid>
<version>1.7.10</version>
</dependency>
<dependency>
<groupid>log4j</groupid>
<artifactid>log4j</artifactid>
<version>1.2.17</version>
</dependency>
<dependency>
<groupid>com.alibaba</groupid>
<artifactid>fastjson</artifactid>
<version>1.1.41</version>
</dependency>
<dependency>
<groupid>org.codehaus.jackson</groupid>
<artifactid>jackson-mapper-asl</artifactid>
<version>1.9.13</version>
</dependency>
</dependencies>
<build>
<plugins>
<plugin>
<artifactid>maven-compiler-plugin</artifactid>
<version>2.3.2</version>
<configuration>
<source>1.7</source>
<target>1.7</target>
</configuration>
</plugin>
<plugin>
<artifactid>maven-war-plugin</artifactid>
<version>2.2</version>
<configuration>
<version>3.0</version>
<failonmissingwebxml>false</failonmissingwebxml>
</configuration>
</plugin>
</plugins>
<finalname>${project.artifactid}_${project.version}_${maven.build.timestamp}</finalname>
</build>
</project>
四. 相关配置文件配置，整合ssm框架
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/j2ee" xmlns:web="http://xmlns.jcp.org/xml/ns/javaee"
xsi:schemalocation="http://java.sun.com/xml/ns/j2ee http://java.sun.com/xml/ns/j2ee/web-app_2_4.xsd"
version="2.4">
<!-- 配置 spring -->
<context-param>
<param-name>contextconfiglocation</param-name>
<param-value>classpath:spring.xml</param-value>
</context-param>
<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>
<!-- 配置springmvc -->
<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>
</servlet>
<servlet-mapping>
<servlet-name>springmvc</servlet-name>
<url-pattern>/</url-pattern>
</servlet-mapping>
<!-- 字符集过滤器 -->
<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>
</web-app>
spring.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:context="http://www.springframework.org/schema/context"
xmlns:aop="http://www.springframework.org/schema/aop" xmlns:tx="http://www.springframework.org/schema/tx"
xsi:schemalocation="http://www.springframework.org/schema/beans
http://www.springframework.org/schema/beans/spring-beans-3.0.xsd
http://www.springframework.org/schema/mvc
http://www.springframework.org/schema/mvc/spring-mvc-3.0.xsd
http://www.springframework.org/schema/context
http://www.springframework.org/schema/context/spring-context-3.0.xsd
http://www.springframework.org/schema/aop
http://www.springframework.org/schema/aop/spring-aop-3.0.xsd
http://www.springframework.org/schema/tx
http://www.springframework.org/schema/tx/spring-tx-3.0.xsd ">
<!-- 扫描service、dao组件 -->
<context:component-scan base-package="com.yingjun.test" />
<!-- 分解配置 jdbc.properites -->
<context:property-placeholder location="classpath:jdbc.properties" />
<!-- 数据源c3p0 -->
<bean id="datasource" class="com.mchange.v2.c3p0.combopooleddatasource">
<property name="driverclass" value="${jdbc.driverclassname}" />
<property name="jdbcurl" value="${jdbc.url}" />
<property name="user" value="${jdbc.username}" />
<property name="password" value="${jdbc.password}" />
<property name="maxpoolsize" value="${c3p0.pool.size.max}" />
<property name="minpoolsize" value="${c3p0.pool.size.min}" />
<property name="initialpoolsize" value="${c3p0.pool.size.ini}" />
<property name="acquireincrement" value="${c3p0.pool.size.increment}" />
</bean>
<!-- sessionfactory 将spring和mybatis整合 -->
<bean id="sqlsessionfactory" class="org.mybatis.spring.sqlsessionfactorybean">
<property name="datasource" ref="datasource" />
<property name="configlocation" value="classpath:spring-mybatis.xml" />
<property name="mapperlocations" value="classpath*:com/yingjun/test/mapping/**/*.xml" />
</bean>
<bean class="org.mybatis.spring.mapper.mapperscannerconfigurer">
<property name="basepackage" value="com,yingjun.test.dao" />
<property name="sqlsessionfactorybeanname" value="sqlsessionfactory" />
</bean>
<bean id="transactionmanager" class="org.springframework.jdbc.datasource.datasourcetransactionmanager">
<property name="datasource" ref="datasource" />
</bean>
<tx:advice id="transactionadvice" transaction-manager="transactionmanager">
<tx:attributes>
<tx:method name="add*" propagation="required" />
<tx:method name="append*" propagation="required" />
<tx:method name="insert*" propagation="required" />
<tx:method name="save*" propagation="required" />
<tx:method name="update*" propagation="required" />
<tx:method name="modify*" propagation="required" />
<tx:method name="edit*" propagation="required" />
<tx:method name="delete*" propagation="required" />
<tx:method name="remove*" propagation="required" />
<tx:method name="repair" propagation="required" />
<tx:method name="delandrepair" propagation="required" />
<tx:method name="get*" propagation="supports" />
<tx:method name="find*" propagation="supports" />
<tx:method name="load*" propagation="supports" />
<tx:method name="search*" propagation="supports" />
<tx:method name="datagrid*" propagation="supports" />
<tx:method name="*" propagation="supports" />
</tx:attributes>
</tx:advice>
<aop:config>
<aop:pointcut id="transactionpointcut" expression="execution(* com.yingjun.test.service..*impl.*(..))" />
<aop:advisor pointcut-ref="transactionpointcut" advice-ref="transactionadvice" />
</aop:config>
</beans>
为了代替手工使用 sqlsessiondaosupport 或 sqlsessiontemplate 编写数据访问对象 (dao)的代码,mybatis-spring 提供了一个动态代理的实现:mapperfactorybean。这个类 可以让你直接注入数据映射器接口到你的 service 层 bean 中。当使用映射器时,你仅仅如调 用你的 dao 一样调用它们就可以了,但是你不需要编写任何 dao 实现的代码,因为 mybatis-spring 将会为你创建代理。
spring-mybatis.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> <!-- 暂时不需要其他配置--> </configuration>
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-3.0.xsd
http://www.springframework.org/schema/context
http://www.springframework.org/schema/context/spring-context-3.0.xsd
http://www.springframework.org/schema/mvc
http://www.springframework.org/schema/mvc/spring-mvc-3.0.xsd">
<!-- 默认的注解映射的支持 -->
<mvc:annotation-driven />
<!-- 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.yingjun.test.controller" />
<!--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>
<!-- 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>
log4j.properties
jdbc.driverclassname=com.mysql.jdbc.driver jdbc.url=jdbc:mysql://192.168.1.194:3306/test?useunicode=true&characterencoding=utf-8 jdbc.username=root jdbc.password=root c3p0.pool.size.max=20 c3p0.pool.size.min=5 c3p0.pool.size.ini=3 c3p0.pool.size.increment=2
jdbc.properties
log4j.rootlogger=info, console, debug, app, error ###console ### log4j.appender.console = org.apache.log4j.consoleappender log4j.appender.console.target = system.out log4j.appender.console.layout = org.apache.log4j.patternlayout log4j.appender.console.layout.conversionpattern = %d %p[%c:%l]- %m%n ### debug ### log4j.appender.debug = org.apache.log4j.dailyrollingfileappender log4j.appender.debug.file = log/debug.log log4j.appender.debug.append = true log4j.appender.debug.threshold = debug log4j.appender.debug.datepattern='.'yyyy-mm-dd log4j.appender.debug.layout = org.apache.log4j.patternlayout log4j.appender.debug.layout.conversionpattern = %d %p[%c:%l] - %m%n ### app ### log4j.appender.app = org.apache.log4j.dailyrollingfileappender log4j.appender.app.file = log/app.log log4j.appender.app.append = true log4j.appender.app.threshold = info log4j.appender.app.datepattern='.'yyyy-mm-dd log4j.appender.app.layout = org.apache.log4j.patternlayout log4j.appender.app.layout.conversionpattern = %d %p[%c:%l] - %m%n ### error ### log4j.appender.error = org.apache.log4j.dailyrollingfileappender log4j.appender.error.file = log/error.log log4j.appender.error.append = true log4j.appender.error.threshold = error log4j.appender.error.datepattern='.'yyyy-mm-dd log4j.appender.error.layout = org.apache.log4j.patternlayout log4j.appender.error.layout.conversionpattern =%d %p[%c:%l] - %m%n
五. 利用mybatis generator自动创建实体类、映射文件以及dao接口
mybatis属于一种半自动的orm框架，所以主要的工作就是配置mapping映射文件，但是由于手写映射文件很容易出错，所以可利用mybatis生成器自动生成实体类、dao接口和mapping映射文件。这样可以省去很多的功夫，将生成的代码copy到项目工程中即可。
生成代码需要的文件和jar并建立如下目录结构：
在generatorl.xml中配置相关的数据库连接，已经数据库表：
<?xml version="1.0" encoding="utf-8"?>
<!doctype generatorconfiguration
public "-//mybatis.org//dtd mybatis generator configuration 1.0//en"
"http://mybatis.org/dtd/mybatis-generator-config_1_0.dtd">
<generatorconfiguration>
<!-- 数据库驱动 -->
<classpathentry location="mysql-connector-java-5.1.34.jar" />
<context id="db2tables" targetruntime="mybatis3">
<commentgenerator>
<property name="suppressdate" value="true" />
<!-- 是否去除自动生成的注释 true：是 ： false:否 -->
<property name="suppressallcomments" value="true" />
</commentgenerator>
<!--数据库链接url，用户名、密码 -->
<jdbcconnection driverclass="com.mysql.jdbc.driver"
connectionurl="jdbc:mysql://192.168.1.194:3306/noc"
userid="root" password="root">
</jdbcconnection>
<javatyperesolver>
<property name="forcebigdecimals" value="false" />
</javatyperesolver>
<!-- 生成模型的包名和位置 -->
<javamodelgenerator targetpackage="com.yingjun.test.model"
targetproject="src">
<property name="enablesubpackages" value="true" />
<property name="trimstrings" value="true" />
</javamodelgenerator>
<!-- 生成映射文件的包名和位置 -->
<sqlmapgenerator targetpackage="com.yingjun.test.mapping"
targetproject="src">
<property name="enablesubpackages" value="true" />
</sqlmapgenerator>
<!-- 生成dao的包名和位置 -->
<javaclientgenerator type="xmlmapper" targetpackage="com.yingjun.test.dao"
targetproject="src">
<property name="enablesubpackages" value="true" />
</javaclientgenerator>
<!-- 要生成的表 tablename是数据库中的表名或视图名 domainobjectname是实体类名 -->
<table tablename="other_list" domainobjectname="otherlist"
enablecountbyexample="fasle" enableupdatebyexample="false"
enabledeletebyexample="false" enableselectbyexample="false"
selectbyexamplequeryid="false" >
</table>
</context>
</generatorconfiguration>
打开cmd窗口 进入该目录结构，输入命令行：
java -jar mybatis-generator-core-1.3.2.jar -configfile generator.xml -overwrite
运行完成后会生成相应的dao mapper 和model，是不是很爽。
六. 建立service层以及conrorller层
package com.yingjun.test.service;
public interface otherservicei {
public string getoterlist();
}
package com.yingjun.test.service;
import java.util.arraylist;
import java.util.arrays;
import java.util.hashset;
import java.util.list;
import java.util.map;
import java.util.set;
import org.springframework.beans.factory.annotation.autowired;
import org.springframework.stereotype.service;
import com.alibaba.fastjson.json;
import com.alibaba.fastjson.serializer.serializerfeature;
import com.yingjun.test.dao.otherlistmapper;
import com.yingjun.test.model.otherlist;
import com.yingjun.test.model.otherlistdomain;
@service
public class otherserviceimpl implements otherservicei {
@autowired
private otherlistmapper otherlistmapper;
@override
public string getoterlist() {
set<string> set=new hashset<string>();
list<otherlist> list=otherlistmapper.selectall();
list<otherlistdomain> jsonlist=new arraylist<otherlistdomain>();
for(otherlist other:list){
string title=other.gettitle();
if(set.contains(title)){
continue;
}else{
list<otherlist> t_list=new arraylist<otherlist>();
for(otherlist data:list){
if(title.equals(data.gettitle())){
t_list.add(data);
}
}
otherlistdomain domain=new otherlistdomain();
domain.settitle(title);
domain.setitems(t_list);
jsonlist.add(domain);
set.add(other.gettitle());
}
}
return json.tojsonstring(jsonlist, serializerfeature.writemapnullvalue);
}
}
package com.yingjun.test.controller;
import org.springframework.beans.factory.annotation.autowired;
import org.springframework.stereotype.controller;
import org.springframework.web.bind.annotation.requestmapping;
import org.springframework.web.bind.annotation.responsebody;
import com.alibaba.fastjson.json;
import com.yingjun.test.service.otherservicei;
import com.yingjun.test.service.stockstatusservicei;
@controller
@requestmapping(value = "/")
public class tsscontroller {
@autowired
private otherservicei otherservice;
@requestmapping(value="/getotherlist",produces="text/html;charset=utf-8" )
@responsebody
private string getotherlist(){
string json=otherservice.getoterlist();
return json;
}
}
七. 建立测试类
import java.util.list;
import org.apache.log4j.logmanager;
import org.apache.log4j.logger;
import org.junit.test;
import org.junit.runner.runwith;
import org.springframework.beans.factory.annotation.autowired;
import org.springframework.test.context.contextconfiguration;
import org.springframework.test.context.junit4.springjunit4classrunner;
@runwith(springjunit4classrunner.class)
@contextconfiguration(locations = {"classpath:spring.xml"})
public class testmybatis {
@autowired
private otherservicei service;
@test
public void test() {
string list=service.getoterlist();
logger.info(list);
}
}
八. 通过浏览器进行验证
http://localhost:8080/tzyjstateservice/getotherlist
至此，测试成功，ssm三大框架的整合就完成了，有什么其他需求可以在此基础继续添
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