IDEA SSM框架整合配置及步骤详解

参考

狂神说SpringMVC05：整合SSM框架

https://mp.weixin.qq.com/s?__biz=Mzg2NTAzMTExNg==&mid=2247484004&idx=1&sn=cef9d881d0a8d7db7e8ddc6a380a9a76&scene=19#wechat_redirect

前言

根据自己的环境参考狂神的视频进行了SSM框架整合,用于备忘

SSM框架整合步骤

1. 创建数据库

2. IDEA创建maven项目.在pom.xml中设设置java conpiler版本(jdk13)

3. 导入依赖 jnuit 数据库驱动 数据库连接 Severlet JSp

4. maven 资源过滤

1. <?xml version="1.0" encoding="UTF-8"?>
2. <project xmlns="http://maven.apache.org/POM/4.0.0"
3. xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
4. xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
5. <modelVersion>4.0.0</modelVersion>
6. <build>
7. <resources>
8. <resource>
9. <directory>src/main/java</directory>
10. <includes>
11. <include>**/*.properties</include>
12. <include>**/*.xml</include>
13. </includes>
14. <filtering>false</filtering>
15. </resource>
16. <resource>
17. <directory>src/main/resources</directory>
18. <includes>
19. <include>**/*.properties</include>
20. <include>**/*.xml</include>
21. </includes>
22. <filtering>false</filtering>
23. </resource>
24. </resources>
25. </build>
26.  
27. <groupId>org.example</groupId>
28. <artifactId>ssm</artifactId>
29. <version>1.0-SNAPSHOT</version>
30. <properties>
31. <maven.compiler.source>13</maven.compiler.source>
32. <maven.compiler.target>13</maven.compiler.target>
33. </properties>
34. <dependencies>
35. <!--Junit-->
36. <dependency>
37. <groupId>junit</groupId>
38. <artifactId>junit</artifactId>
39. <version>4.12</version>
40. </dependency>
41. <!--数据库驱动-->
42. <dependency>
43. <groupId>mysql</groupId>
44. <artifactId>mysql-connector-java</artifactId>
45. <version>5.1.47</version>
46. </dependency>
47. <!-- 数据库连接池 -->
48. <dependency>
49. <groupId>com.mchange</groupId>
50. <artifactId>c3p0</artifactId>
51. <version>0.9.5.2</version>
52. </dependency>
53.  
54. <!--Servlet - JSP -->
55. <dependency>
56. <groupId>javax.servlet</groupId>
57. <artifactId>servlet-api</artifactId>
58. <version>2.5</version>
59. </dependency>
60. <dependency>
61. <groupId>javax.servlet.jsp</groupId>
62. <artifactId>jsp-api</artifactId>
63. <version>2.2</version>
64. </dependency>
65. <dependency>
66. <groupId>javax.servlet</groupId>
67. <artifactId>jstl</artifactId>
68. <version>1.2</version>
69. </dependency>
70.  
71. <!--Mybatis-->
72. <dependency>
73. <groupId>org.mybatis</groupId>
74. <artifactId>mybatis</artifactId>
75. <version>3.5.2</version>
76. </dependency>
77. <dependency>
78. <groupId>org.mybatis</groupId>
79. <artifactId>mybatis-spring</artifactId>
80. <version>2.0.6</version>
81. </dependency>
82.  
83. <!--Spring-->
84. <dependency>
85. <groupId>org.springframework</groupId>
86. <artifactId>spring-webmvc</artifactId>
87. <version>5.3.4</version>
88. </dependency>
89. <dependency>
90. <groupId>org.springframework</groupId>
91. <artifactId>spring-jdbc</artifactId>
92. <version>5.3.4</version>
93. </dependency>
94. </dependencies>
95.  
96. </project>

5. 创建两个项目的目录结构以及Spring 和 Mybatis的配置文件

1. <?xml version="1.0" encoding="UTF-8"?>
2. <beans xmlns="http://www.springframework.org/schema/beans"
3. xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
4. xsi:schemaLocation="http://www.springframework.org/schema/beans
5. http://www.springframework.org/schema/beans/spring-beans.xsd">
6.  
7. </beans>

1. <?xml version="1.0" encoding="UTF-8" ?>
2. <!DOCTYPE configuration
3. PUBLIC "-//mybatis.org//DTD Config 3.0//EN"
4. "http://mybatis.org/dtd/mybatis-3-config.dtd">
5. <configuration>
6.  
7. </configuration>

Mybatis

6. 配置数据库属性

1. jdbc.driver=com.mysql.jdbc.Driver
2. jdbc.url=jdbc:mysql://localhost:3306/ssmbuild?useSSL=false&useUnicode=true&characterEncoding=UTF-8&serverTimezone=UTC
3. jdbc.username=root
4. jdbc.password=root

7. 创建Book实体类(使用lombok插件),编写Dao层mapper接口,在mybatis配置中注册mapper

1. package com.projectname.pojo;
2.  
3. import lombok.AllArgsConstructor;
4. import lombok.Data;
5. import lombok.NoArgsConstructor;
6.  
7. @Data
8. @AllArgsConstructor
9. @NoArgsConstructor
10. public class Book {
11. private int bookID;
12. private String bookName;
13. private int bookCounts;
14. private String detail;
15.  
16. }

1. package com.projectname.dao;
2.  
3. import com.projectname.pojo.Book;
4.  
5. import java.util.List;
6.  
7. public interface DaoBook {
8. //增加一个Book
9. int addBook(Book book);
10.  
11. //根据id删除一个Book
12. int deleteBookById(int id);
13.  
14. //更新Book
15. int updateBook(Book books);
16.  
17. //根据id查询,返回一个Book
18. Book queryBookById(int id);
19.  
20. //查询全部Book,返回list集合
21. List<Book> queryAllBook();
22. }

1. <?xml version="1.0" encoding="UTF-8" ?>
2. <!DOCTYPE mapper
3. PUBLIC "-//mybatis.org//DTD Mapper 3.0//EN"
4. "http://mybatis.org/dtd/mybatis-3-mapper.dtd">
5.  
6. <mapper namespace="com.kuang.dao.BookMapper">
7.  
8. <!--增加一个Book-->
9. <insert id="addBook" parameterType="Books">
10. insert into ssmbuild.books(bookName,bookCounts,detail)
11. values (#{bookName}, #{bookCounts}, #{detail})
12. </insert>
13.  
14. <!--根据id删除一个Book-->
15. <delete id="deleteBookById" parameterType="int">
16. delete from ssmbuild.books where bookID=#{bookID}
17. </delete>
18.  
19. <!--更新Book-->
20. <update id="updateBook" parameterType="Books">
21. update ssmbuild.books
22. set bookName = #{bookName},bookCounts = #{bookCounts},detail = #{detail}
23. where bookID = #{bookID}
24. </update>
25.  
26. <!--根据id查询,返回一个Book-->
27. <select id="queryBookById" resultType="Books">
28. select * from ssmbuild.books
29. where bookID = #{bookID}
30. </select>
31.  
32. <!--查询全部Book-->
33. <select id="queryAllBook" resultType="Books">
34. SELECT * from ssmbuild.books
35. </select>
36.  
37. </mapper>

1. <?xml version="1.0" encoding="UTF-8" ?>
2. <!DOCTYPE configuration
3. PUBLIC "-//mybatis.org//DTD Config 3.0//EN"
4. "http://mybatis.org/dtd/mybatis-3-config.dtd">
5. <configuration>
6. <mappers>
7. <mapper resource="com/projectname/dao/BookMapper.xml"/>
8. </mappers>
9. </configuration>

8. 编写service层的接口和实现类代码

1. package com.projectname.service;
2.  
3. import com.projectname.pojo.Book;
4.  
5. import java.util.List;
6.  
7. public interface BookService {
8. //增加一个Book
9. int addBook(Book book);
10. //根据id删除一个Book
11. int deleteBookById(int id);
12. //更新Book
13. int updateBook(Book books);
14. //根据id查询,返回一个Book
15. Book queryBookById(int id);
16. //查询全部Book,返回list集合
17. List<Book> queryAllBook();
18. }

1. package com.projectname.service;
2.  
3. import com.projectname.dao.BookMapper;
4. import com.projectname.pojo.Book;
5.  
6. import java.util.List;
7.  
8. public class BookServiceImpl implements BookService {
9.  
10. //调用dao层的操作，设置一个set接口，方便Spring管理
11. private BookMapper bookMapper;
12.  
13. public void setBookMapper(BookMapper bookMapper) {
14. this.bookMapper = bookMapper;
15. }
16.  
17. public int addBook(Book book) {
18. return bookMapper.addBook(book);
19. }
20.  
21. public int deleteBookById(int id) {
22. return bookMapper.deleteBookById(id);
23. }
24.  
25. public int updateBook(Book books) {
26. return bookMapper.updateBook(books);
27. }
28.  
29. public Book queryBookById(int id) {
30. return bookMapper.queryBookById(id);
31. }
32.  
33. public List<Book> queryAllBook() {
34. return bookMapper.queryAllBook();
35. }
36. }

Spring

9. 使用Spring编写Mybatis配置文件:spring-dao.xml

1. <?xml version="1.0" encoding="UTF-8"?>
2. <beans xmlns="http://www.springframework.org/schema/beans"
3. xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
4. xmlns:context="http://www.springframework.org/schema/context"
5. xsi:schemaLocation="http://www.springframework.org/schema/beans http://www.springframework.org/schema/beans/spring-beans.xsd http://www.springframework.org/schema/context https://www.springframework.org/schema/context/spring-context.xsd">
6. <context:property-placeholder location="classpath:database.properties"/>
7. <!-- 2.数据库连接池 -->
8. <!--数据库连接池
9. dbcp 半自动化操作 不能自动连接
10. c3p0 自动化操作（自动的加载配置文件 并且设置到对象里面）
11. -->
12. <bean id="dataSource" class="com.mchange.v2.c3p0.ComboPooledDataSource">
13. <!-- 配置连接池属性 -->
14. <property name="driverClass" value="${jdbc.driver}"/>
15. <property name="jdbcUrl" value="${jdbc.url}"/>
16. <property name="user" value="${jdbc.username}"/>
17. <property name="password" value="${jdbc.password}"/>
18. <!-- c3p0连接池的私有属性 -->
19. <property name="maxPoolSize" value="30"/>
20. <property name="minPoolSize" value="10"/>
21. <!-- 关闭连接后不自动commit -->
22. <property name="autoCommitOnClose" value="false"/>
23. <!-- 获取连接超时时间 -->
24. <property name="checkoutTimeout" value="10000"/>
25. <!-- 当获取连接失败重试次数 -->
26. <property name="acquireRetryAttempts" value="2"/>
27. </bean>
28. <!-- 3.配置SqlSessionFactory对象 -->
29. <bean id="sqlSessionFactory" class="org.mybatis.spring.SqlSessionFactoryBean">
30. <!-- 注入数据库连接池 -->
31. <property name="dataSource" ref="dataSource"/>
32. <!-- 配置MyBaties全局配置文件:mybatis-config.xml -->
33. <property name="configLocation" value="classpath:mybatis-configuration.xml"/>
34. </bean>
35. <!-- 4.配置扫描Dao接口包，动态实现Dao接口注入到spring容器中 -->
36. <!--解释 ：https://www.cnblogs.com/jpfss/p/7799806.html-->
37. <bean class="org.mybatis.spring.mapper.MapperScannerConfigurer">
38. <!-- 注入sqlSessionFactory -->
39. <property name="sqlSessionFactoryBeanName" value="sqlSessionFactory"/>
40. <!-- 给出需要扫描Dao接口包 -->
41. <property name="basePackage" value="com.projectname.dao"/>
42. </bean>
43. </beans>

10. Spring 整合service层

spring-service

1. <?xml version="1.0" encoding="UTF-8"?>
2. <beans xmlns="http://www.springframework.org/schema/beans"
3. xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
4. xmlns:context="http://www.springframework.org/schema/context"
5. xsi:schemaLocation="http://www.springframework.org/schema/beans http://www.springframework.org/schema/beans/spring-beans.xsd http://www.springframework.org/schema/context https://www.springframework.org/schema/context/spring-context.xsd">
6.  
7. <!-- 扫描service相关的bean -->
8. <context:component-scan base-package="com.projectname.service" />
9.  
10. <!--BookServiceImpl注入到IOC容器中-->
11. <bean id="BookServiceImpl" class="com.projectname.service.BookServiceImpl">
12. <property name="bookMapper" ref="bookMapper"/>
13. </bean>
14.  
15. <!-- 配置事务管理器 -->
16. <bean id="transactionManager" class="org.springframework.jdbc.datasource.DataSourceTransactionManager">
17. <!-- 注入数据库连接池 -->
18. <property name="dataSource" ref="dataSource" />
19. </bean>
20.  
21. </beans>

Spring MVC层

11. configuate the web.xml

1. <?xml version="1.0" encoding="UTF-8"?>
2. <web-app xmlns="http://xmlns.jcp.org/xml/ns/javaee"
3. xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
4. xsi:schemaLocation="http://xmlns.jcp.org/xml/ns/javaee http://xmlns.jcp.org/xml/ns/javaee/web-app_4_0.xsd"
5. version="4.0"> <!-- 配置SpringMVC -->
6. <!-- 1.开启SpringMVC注解驱动 -->
7. <servlet>
8. <servlet-name>DispatcherServlet</servlet-name>
9. <servlet-class>org.springframework.web.servlet.DispatcherServlet</servlet-class>
10. <init-param>
11. <param-name>contextConfigLocation</param-name>
12. <!--一定要注意:我们这里加载的是总的配置文件，之前被这里坑了！-->
13. <param-value>classpath:applicationContext.xml</param-value>
14. </init-param>
15. <load-on-startup>1</load-on-startup>
16. </servlet>
17. <servlet-mapping>
18. <servlet-name>DispatcherServlet</servlet-name>
19. <url-pattern>/</url-pattern>
20. </servlet-mapping>
21.  
22. <!--encodingFilter-->
23. <filter>
24. <filter-name>encodingFilter</filter-name>
25. <filter-class>
26. org.springframework.web.filter.CharacterEncodingFilter
27. </filter-class>
28. <init-param>
29. <param-name>encoding</param-name>
30. <param-value>utf-8</param-value>
31. </init-param>
32. </filter>
33. <filter-mapping>
34. <filter-name>encodingFilter</filter-name>
35. <url-pattern>/*</url-pattern>
36. </filter-mapping>
37.  
38. <!--Session过期时间-->
39. <session-config>
40. <session-timeout>15</session-timeout>
41. </session-config>
42. </web-app>

12. spring-mvc.xml

1. <?xml version="1.0" encoding="UTF-8"?>
2. <beans xmlns="http://www.springframework.org/schema/beans"
3. xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns:mvc="http://www.springframework.org/schema/mvc"
4. xmlns:context="http://www.springframework.org/schema/context"
5. xsi:schemaLocation="http://www.springframework.org/schema/beans http://www.springframework.org/schema/beans/spring-beans.xsd http://www.springframework.org/schema/mvc https://www.springframework.org/schema/mvc/spring-mvc.xsd http://www.springframework.org/schema/context https://www.springframework.org/schema/context/spring-context.xsd">
6. <!-- 配置SpringMVC -->
7. <!-- 1.开启SpringMVC注解驱动 -->
8. <mvc:annotation-driven />
9. <!-- 2.静态资源默认servlet配置-->
10. <mvc:default-servlet-handler/>
11.  
12. <!-- 3.配置jsp 显示ViewResolver视图解析器 -->
13. <bean class="org.springframework.web.servlet.view.InternalResourceViewResolver">
14. <property name="viewClass" value="org.springframework.web.servlet.view.JstlView" />
15. <property name="prefix" value="/WEB-INF/jsp/" />
16. <property name="suffix" value=".jsp" />
17. </bean>
18. <!-- 4.扫描web相关的bean -->
19. <context:component-scan base-package="com.projectname.controller" />
20. </beans>

13. configuate applicationContext.xml

1. <?xml version="1.0" encoding="UTF-8"?>
2. <beans xmlns="http://www.springframework.org/schema/beans"
3. xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns:mvc="http://www.springframework.org/schema/mvc"
4. xmlns:context="http://www.springframework.org/schema/context"
5. xsi:schemaLocation="http://www.springframework.org/schema/beans
6. http://www.springframework.org/schema/beans/spring-beans.xsd http://www.springframework.org/schema/mvc https://www.springframework.org/schema/mvc/spring-mvc.xsd http://www.springframework.org/schema/context https://www.springframework.org/schema/context/spring-context.xsd">
7.  
8. <import resource="spring-dao.xml"/>
9. <import resource="spring-service.xml"/>
10. <import resource="spring-mvc.xml"/>
11.  
12. </beans>

一些杂七杂八的配置

14. 添加日志功能

1. <settings>
2. <setting name="logImpl" value="STDOUT_LOGGING"/>
3. </settings>

15. add lib

File -> Project Structure->Artifacts
Type -> Bundle

new directory lib

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原文链接：https://blog.csdn.net/rglkt/article/details/115053321