准备工作
IntelliJ IDEA
maven环境
JDK环境
项目结构
│ pom.xml
│
├─src
│ ├─main
│ │ ├─java
│ │ │ └─vip
│ │ │ └─wulinzeng
│ │ │ ├─controller
│ │ │ │ CustomerController.java
│ │ │ │
│ │ │ ├─mapper
│ │ │ │ CustomerMapper.java
│ │ │ │
│ │ │ ├─pojo
│ │ │ │ Customer.java
│ │ │ │
│ │ │ └─service
│ │ │ │ CustomerService.java
│ │ │ │
│ │ │ └─impl
│ │ │ CustomerServiceImpl.java
│ │ │
│ │ ├─resources
│ │ │ │ applicationContext.xml
│ │ │ │ jdbc.properties
│ │ │ │ log4j.properties
│ │ │ │ spring-mvc.xml
│ │ │ │ sqlMapConfig-spring.xml
│ │ │ │ sqlMapConfig.xml
│ │ │ │
│ │ │ └─vip
│ │ │ └─wulinzeng
│ │ │ └─mapper
│ │ │ CustomerMapper.xml
│ │ │
│ │ └─webapp
│ │ │ index.jsp
│ │ │
│ │ └─WEB-INF
│ │ │ web.xml
│ │ │
│ │ └─views
│ │ customer_list.jsp
│ │
│ └─test
│ └─java
│ Test.java
│
└─target
├─classes
│ │ applicationContext.xml
│ │ jdbc.properties
│ │ log4j.properties
│ │ spring-mvc.xml
│ │ sqlMapConfig-spring.xml
│ │ sqlMapConfig.xml
│ │
│ └─vip
│ └─wulinzeng
│ ├─controller
│ │ CustomerController.class
│ │
│ ├─mapper
│ │ CustomerMapper.class
│ │ CustomerMapper.xml
│ │
│ ├─pojo
│ │ Customer.class
│ │
│ └─service
│ │ CustomerService.class
│ │
│ └─impl
│ CustomerServiceImpl.class
│
├─generated-sources
│ └─annotations
├─generated-test-sources
│ └─test-annotations
├─MybatisDemoTwo
│ │ index.jsp
│ │
│ ├─META-INF
│ │ MANIFEST.MF
│ │
│ └─WEB-INF
│ │ web.xml
│ │
│ ├─classes
│ │ │ applicationContext.xml
│ │ │ jdbc.properties
│ │ │ log4j.properties
│ │ │ spring-mvc.xml
│ │ │ sqlMapConfig-spring.xml
│ │ │ sqlMapConfig.xml
│ │ │
│ │ ├─mapper
│ │ ├─vip
│ │ │ └─wulinzeng
│ │ │ ├─controller
│ │ │ │ CustomerController.class
│ │ │ │
│ │ │ ├─mapper
│ │ │ │ CustomerMapper.class
│ │ │ │ CustomerMapper.xml
│ │ │ │
│ │ │ ├─pojo
│ │ │ │ Customer.class
│ │ │ │
│ │ │ └─service
│ │ │ │ CustomerService.class
│ │ │ │
│ │ │ └─impl
│ │ │ CustomerServiceImpl.class
│ │ │
│ │ └─vip.wulinzeng
│ │ └─mapper
│ ├─lib
│ │ aspectjweaver-1.8.7.jar
│ │ c3p0-0.9.1.2.jar
│ │ hamcrest-core-1.3.jar
│ │ jsp-api-2.0.jar
│ │ jstl-1.2.jar
│ │ junit-4.12.jar
│ │ log4j-1.2.17.jar
│ │ mybatis-3.4.5.jar
│ │ mybatis-spring-1.3.1.jar
│ │ MybatisDemo01-1.0-SNAPSHOT.jar
│ │ mysql-connector-java-5.1.6.jar
│ │ servlet-api-2.5.jar
│ │ spring-aop-5.0.5.RELEASE.jar
│ │ spring-beans-5.0.5.RELEASE.jar
│ │ spring-context-5.0.5.RELEASE.jar
│ │ spring-core-5.0.5.RELEASE.jar
│ │ spring-expression-5.0.5.RELEASE.jar
│ │ spring-jcl-5.0.5.RELEASE.jar
│ │ spring-jdbc-5.0.5.RELEASE.jar
│ │ spring-test-5.0.5.RELEASE.jar
│ │ spring-tx-5.0.5.RELEASE.jar
│ │ spring-web-5.0.5.RELEASE.jar
│ │ spring-webmvc-5.0.5.RELEASE.jar
│ │
│ └─views
│ customer_list.jsp
│
└─test-classes
Test.class
整合
resources
pom.xml
<!--spring相关-->
<dependency>
<groupId>org.springframework</groupId>
<artifactId>spring-context</artifactId>
<version>5.0.5.RELEASE</version>
</dependency>
<dependency>
<groupId>org.aspectj</groupId>
<artifactId>aspectjweaver</artifactId>
<version>1.8.7</version>
</dependency>
<dependency>
<groupId>org.springframework</groupId>
<artifactId>spring-jdbc</artifactId>
<version>5.0.5.RELEASE</version>
</dependency>
<dependency>
<groupId>org.springframework</groupId>
<artifactId>spring-tx</artifactId>
<version>5.0.5.RELEASE</version>
</dependency>
<dependency>
<groupId>org.springframework</groupId>
<artifactId>spring-test</artifactId>
<version>5.0.5.RELEASE</version>
</dependency>
<dependency>
<groupId>org.springframework</groupId>
<artifactId>spring-webmvc</artifactId>
<version>5.0.5.RELEASE</version>
</dependency>
<!--servlet和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>2.0</version>
</dependency>
<!--mybatis相关-->
<dependency>
<groupId>org.mybatis</groupId>
<artifactId>mybatis</artifactId>
<version>3.4.5</version>
</dependency>
<dependency>
<groupId>org.mybatis</groupId>
<artifactId>mybatis-spring</artifactId>
<version>1.3.1</version>
</dependency>
<dependency>
<groupId>mysql</groupId>
<artifactId>mysql-connector-java</artifactId>
<version>5.1.6</version>
</dependency>
<dependency>
<groupId>c3p0</groupId>
<artifactId>c3p0</artifactId>
<version>0.9.1.2</version>
</dependency>
<dependency>
<groupId>junit</groupId>
<artifactId>junit</artifactId>
<version>4.12</version>
</dependency>
<dependency>
<groupId>jstl</groupId>
<artifactId>jstl</artifactId>
<version>1.2</version>
</dependency>
<dependency>
<groupId>org.example</groupId>
<artifactId>MybatisDemo01</artifactId>
<version>1.0-SNAPSHOT</version>
<scope>compile</scope>
</dependency>
加载配置文件在build
中添加resources
<resources>
<resource>
<directory>src/main/java</directory>
<includes>
<include>**/*.properties</include>
<include>**/*.xml</include>
</includes>
<filtering>false</filtering>
</resource>
</resources>
applicationContext.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:aop="http://www.springframework.org/schema/aop"
xmlns:tx="http://www.springframework.org/schema/tx"
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/tx
http://www.springframework.org/schema/tx/spring-tx.xsd
http://www.springframework.org/schema/aop
http://www.springframework.org/schema/aop/spring-aop.xsd
http://www.springframework.org/schema/context
http://www.springframework.org/schema/context/spring-context.xsd">
<!--组件扫描 扫描service和mapper-->
<context:component-scan base-package="vip.wulinzeng">
<!--排除controller的扫描-->
<context:exclude-filter type="annotation" expression="org.springframework.stereotype.Controller"></context:exclude-filter>
</context:component-scan>
<!--加载propeties文件-->
<context:property-placeholder location="classpath:jdbc.properties"></context:property-placeholder>
<!--配置数据源信息-->
<bean id="dataSource" class="com.mchange.v2.c3p0.ComboPooledDataSource">
<property name="driverClass" value="${jdbc.driver}"></property>
<property name="jdbcUrl" value="${jdbc.url}"></property>
<property name="user" value="${jdbc.username}"></property>
<property name="password" value="${jdbc.password}"></property>
</bean>
<!--配置sessionFactory-->
<bean id="sqlSessionFactory" class="org.mybatis.spring.SqlSessionFactoryBean">
<property name="dataSource" ref="dataSource"></property>
<!--加载mybatis核心文件-->
<property name="configLocation" value="classpath:sqlMapConfig-spring.xml"></property>
</bean>
<!--扫描mapper所在的包 为mapper创建实现类-->
<bean class="org.mybatis.spring.mapper.MapperScannerConfigurer">
<property name="basePackage" value="vip.wulinzeng.mapper"></property>
</bean>
<!--声明式事务控制-->
<!--平台事务管理器-->
<bean id="transactionManager" class="org.springframework.jdbc.datasource.DataSourceTransactionManager">
<property name="dataSource" ref="dataSource"></property>
</bean>
<!--配置事务增强-->
<tx:advice id="txAdvice">
<tx:attributes>
<tx:method name="*"/>
</tx:attributes>
</tx:advice>
<!--事务的aop织入-->
<aop:config>
<aop:advisor advice-ref="txAdvice" pointcut="execution(* vip.wulinzeng.service.impl.*.*(..))"></aop:advisor>
</aop:config>
</beans>
jdbc.properties
修改数据库表名,数据库用户名,密码。8.0以上需设置时区serverTimezone=UTC
jdbc.driver=com.mysql.jdbc.Driver
jdbc.url=jdbc:mysql://localhost:3306/db_test?useUnicode=true&characterEncoding=utf-8
jdbc.username=root
jdbc.password=
log4j.properties
#
# Hibernate, Relational Persistence for Idiomatic Java
#
# License: GNU Lesser General Public License (LGPL), version 2.1 or later.
# See the lgpl.txt file in the root directory or <http://www.gnu.org/licenses/lgpl-2.1.html>.
#
### direct log messages to stdout ###
log4j.appender.stdout=org.apache.log4j.ConsoleAppender
log4j.appender.stdout.Target=System.err
log4j.appender.stdout.layout=org.apache.log4j.PatternLayout
log4j.appender.stdout.layout.ConversionPattern=%d{ABSOLUTE} %5p %c{1}:%L - %m%n
### direct messages to file hibernate.log ###
#log4j.appender.file=org.apache.log4j.FileAppender
#log4j.appender.file.File=hibernate.log
#log4j.appender.file.layout=org.apache.log4j.PatternLayout
#log4j.appender.file.layout.ConversionPattern=%d{ABSOLUTE} %5p %c{1}:%L - %m%n
### set log levels - for more verbose logging change 'info' to 'debug' ###
log4j.rootLogger=all, stdout
spring-mvc.xml
<?xml version="1.0" encoding="UTF-8" ?>
<beans xmlns="http://www.springframework.org/schema/beans"
xmlns:mvc="http://www.springframework.org/schema/mvc"
xmlns:context="http://www.springframework.org/schema/context"
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
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">
<!--组件扫描 主要扫描controller-->
<context:component-scan base-package="vip.wulinzeng.controller"></context:component-scan>
<!--配置mvc注解驱动-->
<mvc:annotation-driven></mvc:annotation-driven>
<!--内部资源视图解析器-->
<bean id="resourceViewResolver" class="org.springframework.web.servlet.view.InternalResourceViewResolver">
<property name="prefix" value="/WEB-INF/views/"></property>
<property name="suffix" value=".jsp"></property>
</bean>
<!--开发静态资源访问权限-->
<mvc:default-servlet-handler></mvc:default-servlet-handler>
</beans>
sqlMapConfig.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>
<!--加载properties文件-->
<properties resource="jdbc.properties"></properties>
<!--定义别名-->
<typeAliases>
<!--<typeAlias type="com.itheima.domain.Account" alias="account"></typeAlias>-->
<package name="vip.wulinzeng.controller"></package>
</typeAliases>
<!--环境-->
<environments default="developement">
<environment id="developement">
<transactionManager type="JDBC"></transactionManager>
<dataSource type="POOLED">
<property name="driver" value="${jdbc.driver}"></property>
<property name="url" value="${jdbc.url}"></property>
<property name="username" value="${jdbc.username}"></property>
<property name="password" value="${jdbc.password}"></property>
</dataSource>
</environment>
</environments>
<!--加载映射-->
<mappers>
<!--<mapper resource="com/itheima/mapper/AccountMapper.xml"></mapper>-->
<package name="vip.wulinzeng.mapper"></package>
</mappers>
</configuration>
sqlMapConfig-spring.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>
<!--定义别名-->
<typeAliases>
<!--<typeAlias type="com.itheima.domain.Account" alias="account"></typeAlias>-->
<package name="vip.wulinzeng.controller"></package>
</typeAliases>
</configuration>
CustomerMapper.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="vip.wulinzeng.mapper.CustomerMapper">
<select id="findAll" resultType="vip.wulinzeng.pojo.Customer">
select * from customer
</select>
</mapper>
java
CustomerController
package vip.wulinzeng.controller;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Controller;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.servlet.ModelAndView;
import vip.wulinzeng.pojo.Customer;
import vip.wulinzeng.service.CustomerService;
import java.util.List;
@Controller
public class CustomerController {
@Autowired
private CustomerService customerService;
@RequestMapping("/findAll")
public ModelAndView findAll(ModelAndView model){
System.out.println("findAll get in");
List<Customer> customerList=customerService.findAll();
System.out.println(customerList);
model.addObject("customer",customerList);
model.setViewName("customer_list");
return model;
}
}
CustomerMapper
package vip.wulinzeng.mapper;
import vip.wulinzeng.pojo.Customer;
import java.util.List;
public interface CustomerMapper {
public List<Customer> findAll();
}
Customer
set
get
toString
方法自行补齐,数据库表结构参考实体类,id
自增。
package vip.wulinzeng.pojo;
public class Customer {
private Integer id;
private String username;
private String jobs;
private String phone;
/* set get tostring */
}
CustomerServiceImpl
package vip.wulinzeng.service.impl;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Service;
import vip.wulinzeng.mapper.CustomerMapper;
import vip.wulinzeng.pojo.Customer;
import vip.wulinzeng.service.CustomerService;
import java.util.List;
@Service
public class CustomerServiceImpl implements CustomerService {
@Autowired
private CustomerMapper customerMapper;
@Override
public List<Customer> findAll() {
return customerMapper.findAll();
}
}
CustomerService
package vip.wulinzeng.service;
import vip.wulinzeng.pojo.Customer;
import java.util.List;
public interface CustomerService {
public List<Customer> findAll();
}
webapp
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/javaee"
xsi:schemaLocation="http://java.sun.com/xml/ns/javaee http://java.sun.com/xml/ns/javaee/web-app_2_5.xsd" id="WebApp_ID" version="2.5">
<!--spring 监听器-->
<context-param>
<param-name>contextConfigLocation</param-name>
<param-value>classpath:applicationContext.xml</param-value>
</context-param>
<listener>
<listener-class>org.springframework.web.context.ContextLoaderListener</listener-class>
</listener>
<!--springmvc的前端控制器-->
<servlet>
<servlet-name>DispatcherServlet</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>DispatcherServlet</servlet-name>
<url-pattern>/</url-pattern>
</servlet-mapping>
<!--乱码过滤器-->
<filter>
<filter-name>CharacterEncodingFilter</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>CharacterEncodingFilter</filter-name>
<url-pattern>/*</url-pattern>
</filter-mapping>
<welcome-file-list>
<welcome-file>index.jsp</welcome-file>
</welcome-file-list>
</web-app>
customer_list.jsp
<%@ page contentType="text/html;charset=UTF-8" language="java" %>
<%@ taglib prefix="c" uri="http://java.sun.com/jsp/jstl/core" %>
<html>
<head>
<title>Title</title>
</head>
<body>
<h1>展示账户数据列表</h1>
<table border="1">
<tr>
<th>账户id</th>
<th>账户名称</th>
<th>账户职位</th>
<th>账户电话</th>
</tr>
<c:forEach items="${customer}" var="customer">
<tr>
<td>${customer.id}</td>
<td>${customer.username}</td>
<td>${customer.jobs}</td>
<td>${customer.phone}</td>
</tr>
</c:forEach>
</table>
</body>
</html>
index.jsp
<html>
<body>
<h2>Hello World!</h2>
</body>
</html>