Maven學習筆記(八)-Maven整合SSM(spring+springMVC+Mybatis)框架
一、所用版本與步驟
三個框架所使用的版本:
mybatis ---- 3.2.5
spring ---- 4.3.3.RELEASE
spring mvc ---- 4.3.3.RELEASE
其它:
junit ---- 4.8.1
mysql ---- 5.1.38
log4j ---- 1.2.17
c3p0 ---- 0.9.2.1
mybatis-spring ---- 1.3.0
jstl ---- 1.2
SSM框架整合的一般步驟:
1.新建一個Maven WEB專案
2.匯入MySQL與Mybatis 依賴
3.寫Mybatis配置檔案及實體類和對映檔案
4.測試(Mybatis)
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5.匯入Spring 依賴
6.寫Spring 配置檔案applicationContext(引入db,c3p0DataSource,SessionFactory,事物)
7.測試(Spring與Mybatis)
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8.整合Spring MVC
9.寫Controller包與Controller類
10.寫Spring MVC配置檔案(springmvc.xml)
11.web.xml中載入配置檔案(Spring,SpringMVC)
二、整合框架
專案結構:
pom.xml檔案內容:
<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.fendo.ssm</groupId> <artifactId>fendo-SSM</artifactId> <packaging>war</packaging> <version>0.0.1-SNAPSHOT</version> <name>fendo-SSM Maven Webapp</name> <url>http://maven.apache.org</url> <!-- 初始化框架的版本號 --> <properties> <spring.version>4.3.3.RELEASE</spring.version> </properties> <dependencies> <dependency> <groupId>junit</groupId> <artifactId>junit</artifactId> <version>3.8.1</version> <scope>test</scope> </dependency> <!-- 加入ServletAPI --> <dependency> <groupId>javax.servlet</groupId> <artifactId>servlet-api</artifactId> <version>2.3</version> <scope>provided</scope> </dependency> <!-- MySQL依賴 start --> <dependency> <groupId>mysql</groupId> <artifactId>mysql-connector-java</artifactId> <version>5.1.38</version> </dependency> <!-- MySQL依賴 end --> <!-- 加入MyBatis 依賴 start --> <dependency> <groupId>org.mybatis</groupId> <artifactId>mybatis</artifactId> <version>3.2.5</version> </dependency> <!-- 加入MyBatis 依賴 end --> <!-- Log4j start --> <dependency> <groupId>log4j</groupId> <artifactId>log4j</artifactId> <version>1.2.17</version> </dependency> <!-- Log4j end --> <!-- 引入Spring(包含SpringMVC) 依賴 start --> <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> <!-- 引入Spring 依賴 end --> <!-- 引用c3p0 依賴 start--> <dependency> <groupId>com.mchange</groupId> <artifactId>c3p0</artifactId> <version>0.9.2.1</version> </dependency> <!-- 引用c3p0 依賴 end--> <!-- 引用外掛依賴:MyBatis整合Spring --> <dependency> <groupId>org.mybatis</groupId> <artifactId>mybatis-spring</artifactId> <version>1.3.0</version> </dependency> <!-- JSTL --> <dependency> <groupId>jstl</groupId> <artifactId>jstl</artifactId> <version>1.2</version> </dependency> </dependencies> <build> <finalName>fendo-SSM</finalName> <plugins> <!-- 加入Tomcat外掛 --> <plugin> <groupId>org.apache.tomcat.maven</groupId> <artifactId>tomcat7-maven-plugin</artifactId> <version>2.2</version> <configuration> <url>http://localhost:8080/manager/text</url> <username>admin</username> <password>admin</password> </configuration> </plugin> </plugins> </build> </project>
1.新建一個Maven WEB專案
在eclipse選單欄中選擇“File”---“News”---“Other”選單項,就會開啟如下對話視窗,在視窗中選擇“Maven”節點下“Maven Project”條目,如下圖所示:
點選Next
點選Next
點選Next
點選Finish
index.jsp頁面報錯: The superclass "javax.servlet.http.HttpServlet" was not found on the Java Build Path
原因是沒加入ServletAPI所導致的,在pom.xml中加入依賴就行了。
<!-- 加入ServletAPI -->
<dependency>
<groupId>javax.servlet</groupId>
<artifactId>servlet-api</artifactId>
<version>2.3</version>
<scope>provided</scope>
</dependency>
2.匯入MySQL與Mybatis 依賴
<!-- MySQL依賴 start -->
<dependency>
<groupId>mysql</groupId>
<artifactId>mysql-connector-java</artifactId>
<version>5.1.38</version>
</dependency>
<!-- MySQL依賴 end -->
<!-- Log4j start -->
<dependency>
<groupId>log4j</groupId>
<artifactId>log4j</artifactId>
<version>1.2.17</version>
</dependency>
<!-- Log4j end -->
<!-- 加入MyBatis 依賴 start -->
<dependency>
<groupId>org.mybatis</groupId>
<artifactId>mybatis</artifactId>
<version>3.2.5</version>
</dependency>
<!-- 加入MyBatis 依賴 end -->
3.寫Mybatis配置檔案及實體類和對映檔案
新建兩個包:
com.fendo.entity ----實體包
com.fendo.dao ----方法包
並在其中加入一個Person類和Person.xml的對映檔案,和一個操作Person的介面類,以及一個測試類:
新建一個表: person
插入幾條資料
實體類: person.java
package com.fendo.entity;
public class Person {
private int pid;
private String pname;
private int page;
private int pageIndex;
private int pageSize;
public int getPageIndex() {
return pageIndex;
}
public void setPageIndex(int pageIndex) {
this.pageIndex = pageIndex;
}
public int getPageSize() {
return pageSize;
}
public void setPageSize(int pageSize) {
this.pageSize = pageSize;
}
public Person() {
super();
// TODO Auto-generated constructor stub
}
public Person(int pid, String pname, int page) {
super();
this.pid = pid;
this.pname = pname;
this.page = page;
}
public int getPid() {
return pid;
}
public void setPid(int pid) {
this.pid = pid;
}
public String getPname() {
return pname;
}
public void setPname(String pname) {
this.pname = pname;
}
public int getPage() {
return page;
}
public void setPage(int page) {
this.page = page;
}
@Override
public String toString() {
return "Person [pid=" + pid + ", pname=" + pname + ", page=" + page + "]";
}
public Person(String pname, int page) {
super();
this.pname = pname;
this.page = page;
}
}
SQL操作配置檔案: Person.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.fendo.dao.PersonDao">
<!-- 查詢所有的資料 -->
<select id="getPersons" resultType="Person">
select * from person
</select>
<!-- 插入一條資料 -->
<insert id="addPerson" parameterType="person">
insert into person(pname,page) values(#{pname},#{page})
</insert>
</mapper>
方法介面類: PersonDao.java
package com.fendo.dao;
import java.util.List;
import com.fendo.entity.Person;
public interface PersonDao {
public List<Person> getPersons();
public void addPerson(Person person);
}
測試類: TestMybatis.java
package com.fendo.test;
import java.io.IOException;
import org.apache.ibatis.io.Resources;
import org.apache.ibatis.session.SqlSession;
import org.apache.ibatis.session.SqlSessionFactory;
import org.apache.ibatis.session.SqlSessionFactoryBuilder;
import org.junit.After;
import org.junit.Before;
import org.junit.Test;
import com.fendo.dao.PersonDao;
public class TestMybatis {
private SqlSession sqlSession;
@Before
public void before(){
try {
SqlSessionFactory sqlSessionFactory=new SqlSessionFactoryBuilder().build(Resources.getResourceAsStream("myBatisConfig.xml"));
sqlSession = sqlSessionFactory.openSession();
} catch (IOException e) {
e.printStackTrace();
}
}
@After
public void after(){
sqlSession.commit();
sqlSession.close();
}
@Test
public void test(){
PersonDao personDao=sqlSession.getMapper(PersonDao.class);
System.out.println(personDao.getPersons().size());
}
}
4.測試(Mybatis)
點選test右鍵Run AS ----> Junit Test5.匯入Spring 依賴
<!-- 初始化框架的版本號 -->
<properties>
<spring.version>4.3.3.RELEASE</spring.version>
</properties>
<!-- 引入Spring(包含SpringMVC) 依賴 start -->
<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>
<!-- 引入Spring 依賴 end -->
<!-- 引用c3p0 依賴 start-->
<dependency>
<groupId>com.mchange</groupId>
<artifactId>c3p0</artifactId>
<version>0.9.2.1</version>
</dependency>
<!-- 引用c3p0 依賴 end-->
<!-- 引用外掛依賴:MyBatis整合Spring -->
<dependency>
<groupId>org.mybatis</groupId>
<artifactId>mybatis-spring</artifactId>
<version>1.3.0</version>
</dependency>
6.寫Spring 配置檔案applicationContext(引入db,c3p0DataSource,SessionFactory,事物)
在src/main/resources下新建applicationContext.xml,以及db.properties配置檔案
applicationContext.xml內容如下
<?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-4.3.xsd
http://www.springframework.org/schema/mvc http://www.springframework.org/schema/mvc/spring-mvc-4.3.xsd
http://www.springframework.org/schema/tx http://www.springframework.org/schema/tx/spring-tx-4.3.xsd">
<!-- 引入db.properties -->
<context:property-placeholder location="classpath:db.properties"/>
<!-- 配置資料來源c3p0 -->
<bean id="dataSource" class="com.mchange.v2.c3p0.ComboPooledDataSource">
<property name="user" value="${uname}"></property>
<property name="password" value="${upass}"></property>
<property name="jdbcUrl" value="${url}"></property>
<property name="driverClass" value="${driver_class}"></property>
<!-- 初始化池子大小 -->
<property name="initialPoolSize" value="${initPoolSize}"></property>
<!-- 池子最大數 -->
<property name="maxPoolSize" value="${maxPoolSize}"></property>
</bean>
<!-- 配置SqlSessionFactory -->
<bean id="sqlSessionFactory" class="org.mybatis.spring.SqlSessionFactoryBean">
<!-- 01.引入資料來源 -->
<property name="dataSource" ref="dataSource"></property>
<!-- 02.載入MyBatis配置檔案 -->
<property name="configLocation" value="classpath:myBatisConfig.xml"></property>
<!-- 03.載入MyBatis對映檔案 -->
<property name="mapperLocations" value="classpath:com/fendo/entity/*.xml"></property>
</bean>
<!-- 配置Dao介面的兩種方法: 1.單個MapperFactoryBean 2.包裡面的MapperScannerConfigurer-->
<!-- 配置PersonDao -->
<!-- <bean id="personDao" class="org.mybatis.spring.mapper.MapperFactoryBean">
<property name="sqlSessionFactory" ref="sqlSessionFactory"></property>
<property name="mapperInterface" value="com.zking.dao.PersonDao"></property>
</bean> -->
<!-- 配置整個包中所有的Dao介面 -->
<bean class="org.mybatis.spring.mapper.MapperScannerConfigurer">
<property name="basePackage" value="com.fendo.dao"></property>
</bean>
</beans>
配置Dao介面的兩種方法說明
db.properties內容如下
uname=root
upass=123
driver_class=com.mysql.jdbc.Driver
url=jdbc:mysql://localhost:3306/test?useUnicode=true&characterEncoding=UTF-8
initPoolSize=5
maxPoolSize=10
把myBatisConfig.xml檔案修改成如下
<?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">
<!-- 類似Hibernate配置檔案: hibernate.cfg.xml -->
<configuration>
<!-- 設定別名 -->
<typeAliases>
<!-- 批量,預設別名為:類名Person或者person -->
<package name="com.fendo.entity"/>
</typeAliases>
</configuration>
連線資料庫屬性哪些配置移到了applicationContext.xml檔案中去了。
7.測試(Spring與Mybatis)
新建TestSpringMybatis測試類
public class TestSpringMybatis {
public static void main(String[] args) {
//01.載入spring配置檔案
ApplicationContext ac=new ClassPathXmlApplicationContext("applicationContext.xml");
PersonDao personDao=(PersonDao) ac.getBean("personDao");
personDao.addPerson(new Person("小小A", 10));
System.out.println(personDao.getPersons().size());
}
}
執行輸出結果如下:
spring+mybatis整合成功!!!!
8.整合Spring MVC
先寫一個簡單的註冊頁面與一個註冊成功頁面
index.jsp
<%@ page language="java" contentType="text/html; charset=utf-8"
pageEncoding="utf-8"%>
<!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=utf-8">
<title>註冊頁面</title>
</head>
<body>
<form action="addPerson.action" method="post">
pname:<input type="text" name="pname"/><br/>
page:<input type="text" name="page"/><br/>
<input type="submit" value="新增"/><br/>
</form>
</body>
</html>
success.jsp
<%@ page language="java" contentType="text/html; charset=UTF-8"
pageEncoding="UTF-8"%>
<%@ taglib uri="http://java.sun.com/jsp/jstl/core" prefix="c"%>
<!-- EL表示式生效 -->
<%@ page isELIgnored="false" %>
<!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=UTF-8">
<title>Insert title here</title>
</head>
<body>
<table border="1">
<tr>
<th>編號</th>
<th>姓名</th>
<th>年齡</th>
</tr>
<c:forEach items="${persons}" var="p">
<tr>
<td>${p.pid}</td>
<td>${p.pname}</td>
<td>${p.page}</td>
</tr>
</c:forEach>
</table>
</body>
</html>
這裡匯入了JSTL所以要在pom.xml中引入依賴
<!-- JSTL -->
<dependency>
<groupId>jstl</groupId>
<artifactId>jstl</artifactId>
<version>1.2</version>
</dependency>
9.寫Controller包與Controller類
新建一個Controler包和一個PersonController類
@Controller
public class PersonController {
@Autowired
private PersonDao personDao;
@RequestMapping("/addPerson")
public ModelAndView addPerson(Person person){
System.out.println("頁面資料:"+person);
//加入資料
personDao.addPerson(person);
//查資料
List<Person> persons=personDao.getPersons();
//存起來
ModelAndView modelAndView=new ModelAndView();
modelAndView.setViewName("success");
modelAndView.addObject("persons", persons);
return modelAndView;
}
}
10.寫Spring MVC配置檔案(springmvc.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-4.3.xsd
http://www.springframework.org/schema/mvc http://www.springframework.org/schema/mvc/spring-mvc-4.3.xsd">
<!-- 掃描器 -->
<context:component-scan base-package="com.fendo"></context:component-scan>
<!-- 檢視解析器 -->
<bean class="org.springframework.web.servlet.view.InternalResourceViewResolver">
<property name="suffix" value=".jsp"></property>
<property name="prefix" value="/"></property>
</bean>
</beans>
11.web.xml中載入配置檔案(Spring,SpringMVC)
<!DOCTYPE web-app PUBLIC
"-//Sun Microsystems, Inc.//DTD Web Application 2.3//EN"
"http://java.sun.com/dtd/web-app_2_3.dtd" >
<web-app>
<display-name>Archetype Created Web Application</display-name>
<!-- 載入SpringMVC -->
<!-- The front controller of this Spring Web application, responsible for handling all application requests -->
<!-- 載入Spring -->
<!-- needed for ContextLoaderListener -->
<context-param>
<param-name>contextConfigLocation</param-name>
<param-value>classpath:applicationContext.xml</param-value>
</context-param>
<!-- Bootstraps the root web application context before servlet initialization -->
<listener>
<listener-class>org.springframework.web.context.ContextLoaderListener</listener-class>
</listener>
<servlet>
<servlet-name>springDispatcherServlet</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>
<load-on-startup>1</load-on-startup>
</servlet>
<!-- Map all requests to the DispatcherServlet for handling -->
<servlet-mapping>
<servlet-name>springDispatcherServlet</servlet-name>
<url-pattern>*.action</url-pattern>
</servlet-mapping>
</web-app>
最後在依賴中加入tomcat外掛
<plugins>
<!-- 加入Tomcat外掛 -->
<plugin>
<groupId>org.apache.tomcat.maven</groupId>
<artifactId>tomcat7-maven-plugin</artifactId>
<version>2.2</version>
<configuration>
<url>http://localhost:8080/manager/text</url>
<username>admin</username>
<password>admin</password>
</configuration>
</plugin>
</plugins>
然後右鍵專案-->Run AS --> Run Configurations ,在maven build的goals中輸入命令: tomcat7:run
點選Run
點選新增
新增成功