1、创建数据库
2、创建环境,导入依赖
<?xml version="1.0" encoding="UTF-8"?>
<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>org.example</groupId>
<artifactId>ssmbuild</artifactId>
<version>1.0-SNAPSHOT</version>
<!--依赖 junit 数据库驱动 连接池 jsp-->
<dependencies>
<!--Junit-->
<dependency>
<groupId>junit</groupId>
<artifactId>junit</artifactId>
<version>4.12</version>
</dependency>
<!--数据库驱动-->
<dependency>
<groupId>mysql</groupId>
<artifactId>mysql-connector-java</artifactId>
<version>5.1.47</version>
</dependency>
<!-- 数据库连接池 -->
<dependency>
<groupId>com.mchange</groupId>
<artifactId>c3p0</artifactId>
<version>0.9.5.2</version>
</dependency>
<!--Servlet - JSP -->
<dependency>
<groupId>javax.servlet</groupId>
<artifactId>servlet-api</artifactId>
<version>2.5</version>
</dependency>
<dependency>
<groupId>javax.servlet.jsp</groupId>
<artifactId>jsp-api</artifactId>
<version>2.2</version>
</dependency>
<dependency>
<groupId>javax.servlet</groupId>
<artifactId>jstl</artifactId>
<version>1.2</version>
</dependency>
<dependency>
<groupId>taglibs</groupId>
<artifactId>standard</artifactId>
<version>1.1.2</version>
</dependency>
<!--Mybatis-->
<dependency>
<groupId>org.mybatis</groupId>
<artifactId>mybatis</artifactId>
<version>3.5.2</version>
</dependency>
<dependency>
<groupId>org.mybatis</groupId>
<artifactId>mybatis-spring</artifactId>
<version>2.0.2</version>
</dependency>
<!--Spring-->
<dependency>
<groupId>org.springframework</groupId>
<artifactId>spring-webmvc</artifactId>
<version>5.1.9.RELEASE</version>
</dependency>
<dependency>
<groupId>org.springframework</groupId>
<artifactId>spring-jdbc</artifactId>
<version>4.3.13.RELEASE</version>
</dependency>
<dependency>
<groupId>org.aspectj</groupId>
<artifactId>aspectjweaver</artifactId>
<version>1.9.4</version>
</dependency>
<dependency>
<groupId>org.projectlombok</groupId>
<artifactId>lombok</artifactId>
<version>1.18.20</version>
</dependency>
</dependencies>
<!--静态资源问题导出-->
<build>
<resources>
<resource>
<directory>src/main/java</directory>
<includes>
<include>**/*.properties</include>
<include>**/*.xml</include>
</includes>
<filtering>false</filtering>
</resource>
<resource>
<directory>src/main/resources</directory>
<includes>
<include>**/*.properties</include>
<include>**/*.xml</include>
</includes>
<filtering>false</filtering>
</resource>
</resources>
</build>
</project>
3、spring配置文件
```<beans xmlns="http://www.springframework.org/schema/beans"
xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
xsi:schemaLocation="http://www.springframework.org/schema/beans
http://www.springframework.org/schema/beans/spring-beans.xsd">
<import resource="classpath:spring-dao.xml"/>
<import resource="classpath:spring-service.xml"/>
<import resource="classpath:spring-mvc.xml"/>
</beans>
4、mybatis配置文件 mybatis层
<!DOCTYPE configuration
PUBLIC "-//mybatis.org//DTD Config 3.0//EN"
"http://mybatis.org/dtd/mybatis-3-config.dtd">
<configuration>
<!--本来关联数据源,交给spring去做-->
<settings>
<setting name="logImpl" value="STDOUT_LOGGING"/>
</settings>
<typeAliases>
<package name="com.zhuo.pojo"/>
</typeAliases>
<mappers>
<mapper class="com.zhuo.dao.BookMapper"/>
</mappers>
</configuration>
</beans>
5、关联数据库
jdbc.driver=com.mysql.jdbc.Driver
jdbc.url=jdbc:mysql://localhost:3306/ssmbuild?serverTimezone=GMT&useSSL=false&useUnicode=true&characterEncoding=utf8
jdbc.username=root
jdbc.password=123456
6、spring-dao.xml 整合spring层
<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"
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">
<!--关联数据库-->
<context:property-placeholder location="classpath:database.properties"/>
<!--连接池-->
<bean id="dataSource" class="com.mchange.v2.c3p0.ComboPooledDataSource">
<property name="driverClass" value="${jdbc.driver}"/>
<property name="jdbcUrl" value="${jdbc.url}"/>
<property name="user" value="${jdbc.username}"/>
<property name="password" value="${jdbc.password}"/>
</bean>
<!--sqlSessionFactory-->
<bean id="sqlSessionFactory" class="org.mybatis.spring.SqlSessionFactoryBean">
<property name="dataSource" ref="dataSource"/>
<!--绑定Mybatis配置文件-->
<property name="configLocation" value="classpath:mybatis-config.xml"/>
</bean>
<!--配置dao接口扫描包,动态实现Dao接口可以注入到Spring容器中!-->
<bean class="org.mybatis.spring.mapper.MapperScannerConfigurer">
<!--注入sqlSessionFactory-->
<property name="sqlSessionFactoryBeanName" value="sqlSessionFactory"/>
<!--要扫描的包-->
<property name="basePackage" value="com.zhuo.dao"/>
</bean>
</beans>
7、spring-service.xml
注入bean,配置事务
<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: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.xsd
http://www.springframework.org/schema/aop
https://www.springframework.org/schema/aop/spring-aop.xsd
http://www.springframework.org/schema/context
https://www.springframework.org/schema/context/spring-context.xsd
http://www.springframework.org/schema/tx
https://www.springframework.org/schema/tx/spring-tx.xsd">
<!--扫描service下的包-->
<context:component-scan base-package="com.zhuo.service"/>
<!--将我们所有的业务类注入到spring中,可以通过配置,也可以通过注解-->
<bean id="BookServieImpl" class="com.zhuo.service.BookServiceImpl">
<property name="mapper" ref="bookMapper"/>
</bean>
<!--事务-->
<bean id="transactionManager" class="org.springframework.jdbc.datasource.DataSourceTransactionManager">
<!--注入数据源-->
<property name="dataSource" ref="dataSource"/>
</bean>
<!--aop事务支持-->
<tx:advice id="txAdvice" transaction-manager="transactionManager">
<tx:attributes>
<tx:method name="*" propagation="REQUIRED"/>
</tx:attributes>
</tx:advice>
<aop:config>
<aop:pointcut id="txPointCut" expression="execution(* com.zhuo.dao.*.*(..))"/>
<aop:advisor advice-ref="txAdvice" pointcut-ref="txPointCut"/>
</aop:config>
</beans>
8、spring-mvc.xml
<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"
xsi:schemaLocation="http://www.springframework.org/schema/beans
http://www.springframework.org/schema/beans/spring-beans.xsd
http://www.springframework.org/schema/mvc
http://www.springframework.org/schema/mvc/spring-mvc.xsd
http://www.springframework.org/schema/context
http://www.springframework.org/schema/context/spring-context.xsd">
<!--注解驱动-->
<mvc:annotation-driven/>
<!--资源过滤-->
<mvc:default-servlet-handler/>
<!--扫描包-->
<context:component-scan base-package="com.zhuo.controller"/>
<!--视图解析器-->
<bean class="org.springframework.web.servlet.view.InternalResourceViewResolver">
<property name="prefix" value="/WEB-INF/jsp/"/>
<property name="suffix" value=".jsp"/>
</bean>
</beans>
8、配置web.xml
<?xml version="1.0" encoding="UTF-8"?>
<web-app xmlns="http://xmlns.jcp.org/xml/ns/javaee"
xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
xsi:schemaLocation="http://xmlns.jcp.org/xml/ns/javaee http://xmlns.jcp.org/xml/ns/javaee/web-app_3_1.xsd"
version="3.1">
<!--配置DispatcherServlet-->
<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:applicationContext.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>
<!--乱码过滤-->
<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>
</filter>
<filter-mapping>
<filter-name>encodingFilter</filter-name>
<url-pattern>/*</url-pattern>
</filter-mapping>
<!--sessio过期时间-->
<session-config>
<session-timeout>5</session-timeout>
</session-config>
</web-app>
9、建立实体类
@Data
@AllArgsConstructor
@NoArgsConstructor
public class Books {
private int bookID;
private String bookName;
private int bookCounts;
private String detail;
}
10、编写Dao层
public interface BookMapper {
// 增删改查
int add(Books books);
int deleteBookById(int id);
int updateBook(Books book);
Books queryBookById(int id);
List<Books> queryAll();
Books queryBookByName(@Param("bookName") String QueryBookName);
}
<!DOCTYPE mapper
PUBLIC "-//mapper.org//DTD Config 3.0//EN"
"http://mybatis.org/dtd/mybatis-3-mapper.dtd">
<mapper namespace="com.zhuo.dao.BookMapper">
<insert id="add" parameterType="books">
insert into ssmbuild.books (bookName,bookCounts,detail)
values (#{bookName},#{bookCounts},#{detail});
</insert>
<delete id="deleteBookById" parameterType="int">
delete from ssmbuild.books where bookID = #{bookID}
</delete>
<update id="updateBook" parameterType="books">
update ssmbuild.books
set bookName = #{bookName},bookCounts = #{bookCounts},detail = #{detail}
where bookID = #{bookID};
</update>
<select id="queryBookById" resultType="books" parameterType="int">
select *
from ssmbuild.books where bookID = #{bookID};
</select>
<select id="queryAll" resultType="books">
select *
from ssmbuild.books;
</select>
<select id="queryBookByName" resultType="books">
select *
from ssmbuild.books where bookName = #{bookName};
</select>
</mapper>
12、编写Service层
public interface BookService {
int add(Books books);
int deleteBookById(int id);
int updateBook(Books book);
Books queryBookById(int id);
List<Books> queryAll();
Books queryBookByName(String QueryBookName);
}
public class BookServiceImpl implements BookService{
// 业务层调用dao层
private BookMapper mapper;
public void setMapper(BookMapper mapper) {
this.mapper = mapper;
}
public int add(Books books) {
return mapper.add(books);
}
public int deleteBookById(int id) {
return mapper.deleteBookById(id);
}
public int updateBook(Books book) {
return mapper.updateBook(book);
}
public Books queryBookById(int id) {
return mapper.queryBookById(id);
}
public List<Books> queryAll() {
return mapper.queryAll();
}
public Books queryBookByName(String QueryBookName) {
return mapper.queryBookByName(QueryBookName);
}
}
13、编写Controller层
@Controller
@RequestMapping("/book")
public class BookController {
@Autowired
@Qualifier("BookServieImpl")
private BookService bookService;
//查询所有的书记
@RequestMapping("/allbook")
public String list(Model model){
List<Books> list = bookService.queryAll();
model.addAttribute("list",list);
return "allbook";
}
@RequestMapping("toAddBook")
public String toAddPapee(){
return "addbook";
}
@RequestMapping("addBook")
public String addBook(Books books){
System.out.println("addBook=>" + books);
bookService.add(books);
return "redirect:/book/allbook";
}
@RequestMapping("toUpdataBook")
public String updataBook(int id,Model model){
Books books = bookService.queryBookById(id);
model.addAttribute("Qbooks",books);
return "updatabook";
}
@RequestMapping("updataBook")
public String updataBook(Books books){
System.out.println("updatabook=>" + books);
bookService.updateBook(books);
return "redirect:/book/allbook";
}
@RequestMapping("deleteBook")
public String updataBook(int id){
bookService.deleteBookById(id);
return "redirect:/book/allbook";
}
@RequestMapping("queryBookName")
public String queryBook(String QueryBookName,Model model){
System.out.println("============");
Books books = bookService.queryBookByName(QueryBookName);
List<Books> list = new ArrayList<Books>();
list.add(books);
if(books==null){
list = bookService.queryAll();
model.addAttribute("error","未找到");
}
model.addAttribute("list",list);
return "allbook";
}
}