SSM简明教程：简单的十步教你搭建人生第一个SSM框架[ SSM框架整合教程(Spring+SpringMVC+MyBatis) ]

2023-02-06 08:23:00

SSM_BookSystem SSM框架基础

SSM_BookSystem ---> Hello CRUD

说明：本项目目前包含基础的CRUD

日期：2017-05-01 22:25:37

作者：hisenyuan

网站：hisen.me

源码：https://github.com/hisenyuan/SSM_BookSystem （最新更新会在此处）

预览：

搭建过程：

一般idea创建工程的过程

打开idea ---> File ---> new ---> project ---> maven --->

create from archetype ---> maven-archetype-webapp ---> 接下来一般默认即可

最后在main目录下新建java文件夹，并且mark as source root。

首先创建如下的目录结构即可：

├── java

│   └── com

│       └── hisen

│           ├── dao

│           │   └── BookDao.java

│           ├── entity

│           │   └── Book.java

│           ├── service

│           │   ├── BookService.java

│           │   └── impl

│           │       └── BookServiceImpl.java

│           └── web

│               └── BookController.java

├── resources

│   ├── jdbc.properties

│   ├── logback.xml

│   ├── mapper

│   │   └── BookMapper.xml

│   ├── mybatis-config.xml

│   └── spring

│       ├── spring-dao.xml

│       ├── spring-service.xml

│       └── spring-web.xml

└── webapp

    ├── index.jsp

    └── WEB-INF

        ├── jsp

        │   ├── detail.jsp

        │   └── list.jsp

        └── web.xml

第一步：添加Spring、Spring MVC、Mybatis的依赖

都配有详细的说明，这里不再重复

详情请看pom.xml

第二步：添加数据库配置文件

├── resources

│   ├── jdbc.properties

创建数据库配置文件，内容如下

jdbc.driver=com.mysql.jdbc.Driver

jdbc.url=jdbc:mysql://127.0.0.1:3306/booksystem?useUnicode=true&characterEncoding=utf8

jdbc.username=root

jdbc.password=hisen

这里需要创建一个数据库，名为：booksystem

建表语句如下：

CREATE TABLE `book` (

  `book_id` bigint(20) NOT NULL AUTO_INCREMENT COMMENT '图书ID',

  `name` varchar(100) NOT NULL COMMENT '图书名称',

  `number` int(11) NOT NULL COMMENT '图书数量',

  `detail` varchar(200) NOT NULL COMMENT '图书描述',

  PRIMARY KEY (`book_id`)

) ENGINE=InnoDB AUTO_INCREMENT=1 DEFAULT CHARSET=utf8 COMMENT='图书表'

表结构如下：

+---------+--------------+------+-----+---------+----------------+

| Field   | Type         | Null | Key | Default | Extra          |

+---------+--------------+------+-----+---------+----------------+

| book_id | bigint(20)   | NO   | PRI | NULL    | auto_increment |

| name    | varchar(100) | NO   |     | NULL    |                |

| number  | int(11)      | NO   |     | NULL    |                |

| detail  | varchar(200) | NO   |     | NULL    |                |

+---------+--------------+------+-----+---------+----------------+

第三步：添加mybatis配置文件

├── resources

│   ├── mybatis-config.xml

在resources目录下新建文件：mybatis-config.xml

内容如下：

<?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">

<configuration>

  <!-- 配置全局属性 -->

  <settings>

    <!-- 使用jdbc的getGeneratedKeys获取数据库自增主键值 -->

    <setting name="useGeneratedKeys" value="true" />

    <!-- 使用列别名替换列名 默认:true -->

    <setting name="useColumnLabel" value="true" />

    <!-- 开启驼峰命名转换:Table{create_time} -> Entity{createTime} -->

    <setting name="mapUnderscoreToCamelCase" value="true" />

  </settings>

</configuration>

第四步：添加Spring配置文件

在resources/spring目录下新建三个文件：

│   └── spring

│       ├── spring-dao.xml

│       ├── spring-service.xml

│       └── spring-web.xml

详细内容详见：resources/spring/

第五步：添加logback配置文件

logback配置比log4j要简单点，功能类似

├── resources

│   ├── logback.xml

在resources文件夹下新建文件：logback.xml

<?xml version="1.0" encoding="UTF-8" ?>

<configuration debug="true">

  <appender name="STDOUT" class="ch.qos.logback.core.ConsoleAppender">

    <encoder>

      <pattern>%d{HH:mm:ss.SSS} [%thread] %-5level %logger{36} - %msg%n</pattern>

    </encoder>

  </appender>

  <!--开启debug日志模式，在控制台打印日志-->

  <root level="debug">

    <appender-ref ref="STDOUT" />

  </root>

</configuration>

第六步：创建DAO、entity

如下两个文件：BookDao.java、Book.java

│   └── com

│       └── hisen

│           ├── dao

│           │   └── BookDao.java

│           ├── entity

│           │   └── Book.java

详细内容：BookDao.java

详细内容：Book.java

创建测试类：

测试基类：查看代码BaseTest.java
BookDao：查看代码BookDaoTest.java
测试：addBook （由于没有预先准备数据，所以就先添加）

20:12:26.674 [main] DEBUG o.m.s.t.SpringManagedTransaction - JDBC Connection [com.mchange.v2.c3p0.impl.NewProxyConnection@7b7fdc8] will not be managed by Spring

20:12:26.709 [main] DEBUG com.hisen.dao.BookDao.addBook - ==>  Preparing: INSERT INTO book(`book_id`, `name`, `number`,`detail`) VALUES(?, ?, ?, ?)

20:12:26.777 [main] DEBUG com.hisen.dao.BookDao.addBook - ==> Parameters: 0(Long), 活着0(String), 100(Integer), 描述0(String)

20:12:26.783 [main] DEBUG com.hisen.dao.BookDao.addBook - <==    Updates: 1

20:12:26.791 [main] DEBUG org.mybatis.spring.SqlSessionUtils - Closing non transactional SqlSession [org.apache.ibatis.session.defaults.DefaultSqlSession@6f3187b0]

20:12:26.792 [main] DEBUG org.mybatis.spring.SqlSessionUtils - Creating a new SqlSession

20:12:26.793 [main] DEBUG org.mybatis.spring.SqlSessionUtils - SqlSession [org.apache.ibatis.session.defaults.DefaultSqlSession@a307a8c] was not registered for synchronization because synchronization is not active

20:12:26.793 [main] DEBUG o.m.s.t.SpringManagedTransaction - JDBC Connection [com.mchange.v2.c3p0.impl.NewProxyConnection@2b9ed6da] will not be managed by Spring

20:12:26.793 [main] DEBUG com.hisen.dao.BookDao.addBook - ==>  Preparing: INSERT INTO book(`book_id`, `name`, `number`,`detail`) VALUES(?, ?, ?, ?)

20:12:26.794 [main] DEBUG com.hisen.dao.BookDao.addBook - ==> Parameters: 0(Long), 活着1(String), 101(Integer), 描述1(String)

20:12:26.798 [main] DEBUG com.hisen.dao.BookDao.addBook - <==    Updates: 1

20:12:26.798 [main] DEBUG org.mybatis.spring.SqlSessionUtils - Closing non transactional SqlSession [org.apache.ibatis.session.defaults.DefaultSqlSession@a307a8c]

20:12:26.798 [main] DEBUG org.mybatis.spring.SqlSessionUtils - Creating a new SqlSession

20:12:26.799 [main] DEBUG org.mybatis.spring.SqlSessionUtils - SqlSession [org.apache.ibatis.session.defaults.DefaultSqlSession@4b34fff9] was not registered for synchronization because synchronization is not active

20:12:26.799 [main] DEBUG o.m.s.t.SpringManagedTransaction - JDBC Connection [com.mchange.v2.c3p0.impl.NewProxyConnection@127a7a2e] will not be managed by Spring

20:12:26.799 [main] DEBUG com.hisen.dao.BookDao.addBook - ==>  Preparing: INSERT INTO book(`book_id`, `name`, `number`,`detail`) VALUES(?, ?, ?, ?)

20:12:26.799 [main] DEBUG com.hisen.dao.BookDao.addBook - ==> Parameters: 0(Long), 活着2(String), 102(Integer), 描述2(String)

20:12:26.804 [main] DEBUG com.hisen.dao.BookDao.addBook - <==    Updates: 1

20:12:26.804 [main] DEBUG org.mybatis.spring.SqlSessionUtils - Closing non transactional SqlSession [org.apache.ibatis.session.defaults.DefaultSqlSession@4b34fff9]

20:12:26.805 [main] DEBUG org.mybatis.spring.SqlSessionUtils - Creating a new SqlSession

20:12:26.805 [main] DEBUG org.mybatis.spring.SqlSessionUtils - SqlSession [org.apache.ibatis.session.defaults.DefaultSqlSession@518caac3] was not registered for synchronization because synchronization is not active

20:12:26.805 [main] DEBUG o.m.s.t.SpringManagedTransaction - JDBC Connection [com.mchange.v2.c3p0.impl.NewProxyConnection@4f74980d] will not be managed by Spring

20:12:26.805 [main] DEBUG com.hisen.dao.BookDao.addBook - ==>  Preparing: INSERT INTO book(`book_id`, `name`, `number`,`detail`) VALUES(?, ?, ?, ?)

20:12:26.805 [main] DEBUG com.hisen.dao.BookDao.addBook - ==> Parameters: 0(Long), 活着3(String), 103(Integer), 描述3(String)

20:12:26.810 [main] DEBUG com.hisen.dao.BookDao.addBook - <==    Updates: 1

20:12:26.811 [main] DEBUG org.mybatis.spring.SqlSessionUtils - Closing non transactional SqlSession [org.apache.ibatis.session.defaults.DefaultSqlSession@518caac3]

20:12:26.811 [main] DEBUG org.mybatis.spring.SqlSessionUtils - Creating a new SqlSession

20:12:26.811 [main] DEBUG org.mybatis.spring.SqlSessionUtils - SqlSession [org.apache.ibatis.session.defaults.DefaultSqlSession@1722011b] was not registered for synchronization because synchronization is not active

20:12:26.811 [main] DEBUG o.m.s.t.SpringManagedTransaction - JDBC Connection [com.mchange.v2.c3p0.impl.NewProxyConnection@5b3f61ff] will not be managed by Spring

20:12:26.811 [main] DEBUG com.hisen.dao.BookDao.addBook - ==>  Preparing: INSERT INTO book(`book_id`, `name`, `number`,`detail`) VALUES(?, ?, ?, ?)

20:12:26.812 [main] DEBUG com.hisen.dao.BookDao.addBook - ==> Parameters: 0(Long), 活着4(String), 104(Integer), 描述4(String)

20:12:26.816 [main] DEBUG com.hisen.dao.BookDao.addBook - <==    Updates: 1

20:12:26.817 [main] DEBUG org.mybatis.spring.SqlSessionUtils - Closing non transactional SqlSession [org.apache.ibatis.session.defaults.DefaultSqlSession@1722011b]

20:12:26.817 [main] DEBUG org.mybatis.spring.SqlSessionUtils - Creating a new SqlSession

20:12:26.817 [main] DEBUG org.mybatis.spring.SqlSessionUtils - SqlSession [org.apache.ibatis.session.defaults.DefaultSqlSession@6a47b187] was not registered for synchronization because synchronization is not active

20:12:26.817 [main] DEBUG o.m.s.t.SpringManagedTransaction - JDBC Connection [com.mchange.v2.c3p0.impl.NewProxyConnection@1ef6d34c] will not be managed by Spring

20:12:26.817 [main] DEBUG com.hisen.dao.BookDao.addBook - ==>  Preparing: INSERT INTO book(`book_id`, `name`, `number`,`detail`) VALUES(?, ?, ?, ?)

20:12:26.818 [main] DEBUG com.hisen.dao.BookDao.addBook - ==> Parameters: 0(Long), 活着5(String), 105(Integer), 描述5(String)

20:12:26.822 [main] DEBUG com.hisen.dao.BookDao.addBook - <==    Updates: 1

20:12:26.823 [main] DEBUG org.mybatis.spring.SqlSessionUtils - Closing non transactional SqlSession [org.apache.ibatis.session.defaults.DefaultSqlSession@6a47b187]

20:12:26.823 [main] DEBUG org.mybatis.spring.SqlSessionUtils - Creating a new SqlSession

20:12:26.823 [main] DEBUG org.mybatis.spring.SqlSessionUtils - SqlSession [org.apache.ibatis.session.defaults.DefaultSqlSession@6fa34d52] was not registered for synchronization because synchronization is not active

20:12:26.824 [main] DEBUG o.m.s.t.SpringManagedTransaction - JDBC Connection [com.mchange.v2.c3p0.impl.NewProxyConnection@616ac46a] will not be managed by Spring

20:12:26.825 [main] DEBUG com.hisen.dao.BookDao.addBook - ==>  Preparing: INSERT INTO book(`book_id`, `name`, `number`,`detail`) VALUES(?, ?, ?, ?)

20:12:26.825 [main] DEBUG com.hisen.dao.BookDao.addBook - ==> Parameters: 0(Long), 活着6(String), 106(Integer), 描述6(String)

20:12:26.830 [main] DEBUG com.hisen.dao.BookDao.addBook - <==    Updates: 1

20:12:26.830 [main] DEBUG org.mybatis.spring.SqlSessionUtils - Closing non transactional SqlSession [org.apache.ibatis.session.defaults.DefaultSqlSession@6fa34d52]

20:12:26.830 [main] DEBUG org.mybatis.spring.SqlSessionUtils - Creating a new SqlSession

20:12:26.830 [main] DEBUG org.mybatis.spring.SqlSessionUtils - SqlSession [org.apache.ibatis.session.defaults.DefaultSqlSession@1d483de4] was not registered for synchronization because synchronization is not active

20:12:26.831 [main] DEBUG o.m.s.t.SpringManagedTransaction - JDBC Connection [com.mchange.v2.c3p0.impl.NewProxyConnection@28d18df5] will not be managed by Spring

20:12:26.831 [main] DEBUG com.hisen.dao.BookDao.addBook - ==>  Preparing: INSERT INTO book(`book_id`, `name`, `number`,`detail`) VALUES(?, ?, ?, ?)

20:12:26.832 [main] DEBUG com.hisen.dao.BookDao.addBook - ==> Parameters: 0(Long), 活着7(String), 107(Integer), 描述7(String)

20:12:26.836 [main] DEBUG com.hisen.dao.BookDao.addBook - <==    Updates: 1

20:12:26.836 [main] DEBUG org.mybatis.spring.SqlSessionUtils - Closing non transactional SqlSession [org.apache.ibatis.session.defaults.DefaultSqlSession@1d483de4]

20:12:26.836 [main] DEBUG org.mybatis.spring.SqlSessionUtils - Creating a new SqlSession

20:12:26.836 [main] DEBUG org.mybatis.spring.SqlSessionUtils - SqlSession [org.apache.ibatis.session.defaults.DefaultSqlSession@2b175c00] was not registered for synchronization because synchronization is not active

20:12:26.836 [main] DEBUG o.m.s.t.SpringManagedTransaction - JDBC Connection [com.mchange.v2.c3p0.impl.NewProxyConnection@1ae8bcbc] will not be managed by Spring

20:12:26.836 [main] DEBUG com.hisen.dao.BookDao.addBook - ==>  Preparing: INSERT INTO book(`book_id`, `name`, `number`,`detail`) VALUES(?, ?, ?, ?)

20:12:26.837 [main] DEBUG com.hisen.dao.BookDao.addBook - ==> Parameters: 0(Long), 活着8(String), 108(Integer), 描述8(String)

20:12:26.842 [main] DEBUG com.hisen.dao.BookDao.addBook - <==    Updates: 1

20:12:26.842 [main] DEBUG org.mybatis.spring.SqlSessionUtils - Closing non transactional SqlSession [org.apache.ibatis.session.defaults.DefaultSqlSession@2b175c00]

20:12:26.843 [main] DEBUG org.mybatis.spring.SqlSessionUtils - Creating a new SqlSession

20:12:26.843 [main] DEBUG org.mybatis.spring.SqlSessionUtils - SqlSession [org.apache.ibatis.session.defaults.DefaultSqlSession@35399441] was not registered for synchronization because synchronization is not active

20:12:26.843 [main] DEBUG o.m.s.t.SpringManagedTransaction - JDBC Connection [com.mchange.v2.c3p0.impl.NewProxyConnection@6304101a] will not be managed by Spring

20:12:26.843 [main] DEBUG com.hisen.dao.BookDao.addBook - ==>  Preparing: INSERT INTO book(`book_id`, `name`, `number`,`detail`) VALUES(?, ?, ?, ?)

20:12:26.843 [main] DEBUG com.hisen.dao.BookDao.addBook - ==> Parameters: 0(Long), 活着9(String), 109(Integer), 描述9(String)

20:12:26.848 [main] DEBUG com.hisen.dao.BookDao.addBook - <==    Updates: 1

20:12:26.848 [main] DEBUG org.mybatis.spring.SqlSessionUtils - Closing non transactional SqlSession [org.apache.ibatis.session.defaults.DefaultSqlSession@35399441]

测试:queryById

20:15:03.947 [main] DEBUG o.m.s.t.SpringManagedTransaction - JDBC Connection [com.mchange.v2.c3p0.impl.NewProxyConnection@7fc4780b] will not be managed by Spring

20:15:03.972 [main] DEBUG com.hisen.dao.BookDao.queryById - ==>  Preparing: SELECT book_id, name, number, detail FROM book WHERE book_id = ?

20:15:04.047 [main] DEBUG com.hisen.dao.BookDao.queryById - ==> Parameters: 101(Long)

20:15:04.076 [main] DEBUG com.hisen.dao.BookDao.queryById - <==      Total: 1

20:15:04.088 [main] DEBUG org.mybatis.spring.SqlSessionUtils - Closing non transactional SqlSession [org.apache.ibatis.session.defaults.DefaultSqlSession@6f3187b0]

Book{bookId=101, name='活着0', number=100, detail='描述0'}

以此类推，就不多写了

第七步：创建mybatis mapper文件

在resources/mapper/目录下创建：resources/mapper/BookMapper.xml

在mapper文件中需要用到第六步的内容

第八步：创建service

├── service

│   ├── BookService.java

│   └── impl

│       └── BookServiceImpl.java

具体内容：service

创建测试类：BookServiceImplTest
BookServiceImplTest：查看代码BookServiceImplTest.java
测试：getById

20:19:58.871 [main] DEBUG o.m.s.t.SpringManagedTransaction - JDBC Connection [com.mchange.v2.c3p0.impl.NewProxyConnection@37fb0bed] will not be managed by Spring

20:19:58.885 [main] DEBUG com.hisen.dao.BookDao.queryById - ==>  Preparing: SELECT book_id, name, number, detail FROM book WHERE book_id = ?

20:19:58.974 [main] DEBUG com.hisen.dao.BookDao.queryById - ==> Parameters: 101(Long)

20:19:59.004 [main] DEBUG com.hisen.dao.BookDao.queryById - <==      Total: 1

20:19:59.011 [main] DEBUG org.mybatis.spring.SqlSessionUtils - Closing non transactional SqlSession [org.apache.ibatis.session.defaults.DefaultSqlSession@2bec854f]

Book{bookId=101, name='活着0', number=100, detail='描述0'}

第九步：创建controller

└── web

    └── BookController.java

具体内容：BookController.java

第十步：创建jsp页面以及配置web.xml

页面主要使用了bootstrap

└── webapp

    ├── index.jsp

    └── WEB-INF

        ├── jsp

        │   ├── detail.jsp

        │   └── list.jsp

        └── web.xml

具体内容：查看具体内容

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