Spring + SpringMVC + Mybatis整合流程
1 需求
1.1 客户列表查询
1.2 根据客户姓名模糊查询
2 整合思路
第一步：整合dao层
Mybatis和spring整合，通过spring管理mapper接口，使用mapper扫描器自动扫描mapper接口，并在spring中进行注册。
第二步：整合service层
通过spring管理service层，service调用mapper接口。使用配置方式将service接口配置在spring配置文件中，并且进行事务控制。
第三步：整合springMVC
由于springMVC是spring的模块，不需要整合。
3 准备环境
3.1 数据库版本
mysql5.7
3.2
编译器
eclipse
3.3
Jar 包
3.3.1
spring的jar包
3.3.2
spring与mybatis的整合jar包
3.3.3
mybatis的jar包
3.3.4
数据库驱动包
3.3.5
log4j包
3.3.6
log4j配置文件
### 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 mylog.log ###
log4j.appender.file=org.apache.log4j.FileAppender
log4j.appender.file.File=c:\mylog.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=debug, stdout
3.3.7 dbcp数据库连接池包
3.3.8 jstl包
4 整合dao
4.1 sqlMapconfig.xml
mybatis的配置文件：
/p>
PUBLIC "-////DTD Config 3.0//EN"
"/dtd/mybatis-3-config.dtd">
4.2 db.properties数据库配置文件
jdbc.driver=com.mysql.jdbc.Driver
jdbc.url=jdbc:mysql://localhost:3306/haohan1?characterEncoding=utf8&useSSL=false
jdbc.username=root
jdbc.password=123456
4.3 applicationContext-dao.xml
spring在这个xml文件中配置dbcp连接池，sqlSessionFactory，mapper的批量扫描。
/schema/beans/spring-beans.xsd
/schema/context
/schema/context/spring-context.xsd
/schema/aop
/schema/aop/spring-aop.xsd
/schema/tx
/schema/tx/spring-tx.xsd">
4.4 逆向工程生成po类和mapper接口和mapper.xml文件
生成如下图的文件：
4.5 自定义mapper接口和xml文件，以及po的包装类
4.5.1 CustomMapper.java
public interfaceCustomMapper {public List findAllCustom(HhCustomVo hhCustomVo)throwsException;
}
4.5.1 CustomMapper.xml
/p>
PUBLIC "-////DTD Mapper 3.0//EN"
"/dtd/mybatis-3-mapper.dtd">
name like '%${hhCustom.name}%'
SELECT
* FROM hh_custom
4.5.2 HhCustomVo
//客户的包装类
public classHhCustomVo {//客户信息
privateHhCustom hhCustom;publicHhCustom getHhCustom() {returnhhCustom;
}public voidsetHhCustom(HhCustom hhCustom) {this.hhCustom =hhCustom;
}
}
4.6 数据库表结构
5 整合service
5.1 定义service接口
public interfaceCustomService {public HhCustom findCustomById(Integer id)throwsException;public List findAllCustom(HhCustomVo hhCustomVo)throwsException;
}
5.2 service接口实现
public class CustomServiceImpl implementsCustomService{
@Autowired
HhCustomMapper hhCustomMapper;
@Autowired
CustomMapper customMapper;
@Overridepublic HhCustom findCustomById(Integer id) throwsException {//TODO Auto-generated method stub
returnhhCustomMapper.selectByPrimaryKey(id);
}
@Overridepublic List findAllCustom(HhCustomVo hhCustomVo) throwsException {//TODO Auto-generated method stub
returncustomMapper.findAllCustom(hhCustomVo);
}
}
5.3 在spring容器配置service(applicationContext-service)
/schema/beans/spring-beans.xsd
/schema/context
/schema/context/spring-context.xsd
/schema/aop
/schema/aop/spring-aop.xsd
/schema/tx
/schema/tx/spring-tx.xsd">
5.4 事务控制(applicationContext-transaction)
/schema/beans/spring-beans.xsd
/schema/context
/schema/context/spring-context.xsd
/schema/aop
/schema/aop/spring-aop.xsd
/schema/tx
/schema/tx/spring-tx.xsd">
6 整合springMVC
6.1 springmvc.xml
在springmvc.xml中配置适配器映射器、适配器处理器、视图解析器
/schema/beans/spring-beans.xsd
/schema/context
/schema/context/spring-context.xsd
/schema/aop
/schema/aop/spring-aop.xsd
/schema/tx
/schema/tx/spring-tx.xsd
/schema/mvc
/schema/mvc/spring-mvc.xsd">
6.2 配置前端控制器(web.xml)
springmvc
org.springframework.web.servlet.DispatcherServlet
contextConfigLocation
classpath:spring/springmvc.xml
springmvc
*.action
6.3 编写controller
@Controllerpublic classCustomController {
@Autowired
CustomService customService;//模糊查询客户
@RequestMapping("/findAllCustom")public ModelAndView findAllCustom(HhCustomVo hhCustomVo) throwsException {
List customlist =customService.findAllCustom(hhCustomVo);
ModelAndView modelAndView= newModelAndView();
modelAndView.addObject("customlist", customlist);
modelAndView.setViewName("customlist");returnmodelAndView;
}//根据客户id查询
public ModelAndView findCustomByid(Integer id) throwsException {
HhCustom hhCustom=customService.findCustomById(id);
ModelAndView modelAndView= newModelAndView();
modelAndView.addObject("hhCustom", hhCustom);
modelAndView.setViewName("customlist");returnmodelAndView;
}
}
6.4 编写jsp
客戶列表
查询条件：
客戶名称：
客戶类型：
${customType.value}
--%>
查询
客戶列表：
选择客戶名称客戶邮箱客戶电话客户类型${custom.name }${custom.mail }${custom.phoneNumber }${custom.category }修改 --%>
7 加载spring容器(web.xml)
contextConfigLocation
classpath:spring/applicationContext-*.xml
org.springframework.web.context.ContextLoaderListener
8 Post方法中文乱码(web.xml)
CharacterEncodingFilter
org.springframework.web.filter.CharacterEncodingFilter
encoding
UTF-8
CharacterEncodingFilter
/*
9 结果
9.1 客户查询列表
9.2 根据模糊
