MyBatis属于一种半自动的ORM框架，所以主要的工作就是配置Mapping映射文件，但是由于手写映射文件很容易出错，所以可利用MyBatis生成器自动生成实体类、DAO接口和Mapping映射文件。这样可以省去很多的功夫，将生成的代码copy到项目工程中即可。
生成代码需要的文件和jar并建立如下目录结构：
在generatorl.xml中配置相关的数据库连接，已经数据库表：
import java.util.List;
import org.apache.log4j.LogManager;
import org.apache.log4j.Logger;
import org.junit.Test;
import org.junit.runner.RunWith;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.test.context.ContextConfiguration;
import org.springframework.test.context.junit4.SpringJUnit4Cla***unner;
@RunWith(SpringJUnit4Cla***unner.class)
@ContextConfiguration(locations = {"classpath:spring.xml"})
public class TestMybatis {
@Autowired
private OtherServiceI service;
@Test
public void test() {
String list=service.getOterList();
logger.info(list);
}
}
package com.yingjun.test.controller;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Controller;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.ResponseBody;
import com.alibaba.fastjson.JSON;
import com.yingjun.test.service.OtherServiceI;
import com.yingjun.test.service.StockStatusServiceI;
@Controller
@RequestMapping(value = "/")
public class TSSController {
@Autowired
private OtherServiceI otherService;
@RequestMapping(value="/getOtherList",produces="text/html;charset=UTF-8" )
@ResponseBody
private String getOtherList(){
String json=otherService.getOterList();
return json;
}
}
package com.yingjun.test.service;
import java.util.ArrayList;
import java.util.Arrays;
import java.util.HashSet;
import java.util.List;
import java.util.Map;
import java.util.Set;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Service;
import com.alibaba.fastjson.JSON;
import com.alibaba.fastjson.serializer.SerializerFeature;
import com.yingjun.test.dao.OtherListMapper;
import com.yingjun.test.model.OtherList;
import com.yingjun.test.model.OtherListDomain;
@Service
public class OtherServiceImpl implements OtherServiceI {
@Autowired
private OtherListMapper otherListMapper;
@Override
public String getOterList() {
Set set=new HashSet();
List list=otherListMapper.selectAll();
List jsonList=new ArrayList();
for(OtherList other:list){
String title=other.getTitle();
if(set.contains(title)){
continue;
}else{
List t_list=new ArrayList();
for(OtherList data:list){
if(title.equals(data.getTitle())){
t_list.add(data);
}
}
OtherListDomain domain=new OtherListDomain();
domain.setTitle(title);
domain.setItems(t_list);
jsonList.add(domain);
set.add(other.getTitle());
}
}
return JSON.toJSONString(jsonList, SerializerFeature.WriteMapNullValue);
}
}
log4j.rootLogger=info, console, debug, app, error
###Console ###
log4j.appender.console = org.apache.log4j.ConsoleAppender
log4j.appender.console.Target = System.out
log4j.appender.console.layout = org.apache.log4j.PatternLayout
log4j.appender.console.layout.ConversionPattern = %d %p[%C:%L]- %m%n
### debug ###
log4j.appender.debug = org.apache.log4j.DailyRollingFileAppender
log4j.appender.debug.File = log/debug.log
log4j.appender.debug.Append = true
log4j.appender.debug.Threshold = DEBUG
log4j.appender.debug.DatePattern='.'yyyy-MM-dd
log4j.appender.debug.layout = org.apache.log4j.PatternLayout
log4j.appender.debug.layout.ConversionPattern = %d %p[%c:%L] - %m%n
### app ###
log4j.appender.app = org.apache.log4j.DailyRollingFileAppender
log4j.appender.app.File = log/app.log
log4j.appender.app.Append = true
log4j.appender.app.Threshold = INFO
log4j.appender.app.DatePattern='.'yyyy-MM-dd
log4j.appender.app.layout = org.apache.log4j.PatternLayout
log4j.appender.app.layout.ConversionPattern = %d %p[%c:%L] - %m%n
### Error ###
log4j.appender.error = org.apache.log4j.DailyRollingFileAppender
log4j.appender.error.File = log/error.log
log4j.appender.error.Append = true
log4j.appender.error.Threshold = ERROR
log4j.appender.error.DatePattern='.'yyyy-MM-dd
log4j.appender.error.layout = org.apache.log4j.PatternLayout
log4j.appender.error.layout.ConversionPattern =%d %p[%c:%L] - %m%n
jdbc.driverClassName=com.mysql.jdbc.Driver
jdbc.url=jdbc:mysql://192.168.1.194:3306/test?useUnicode=true&characterEncoding=UTF-8
jdbc.username=root
jdbc.password=root
c3p0.pool.size.max=20
c3p0.pool.size.min=5
c3p0.pool.size.ini=3
c3p0.pool.size.increment=2
xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns:p="http://www.springframework.org/schema/p"
xmlns:context="http://www.springframework.org/schema/context"
xmlns:mvc="http://www.springframework.org/schema/mvc"
xsi:schemaLocation="
http://www.springframework.org/schema/beans
http://www.springframework.org/schema/beans/spring-beans-3.0.xsd
http://www.springframework.org/schema/context
http://www.springframework.org/schema/context/spring-context-3.0.xsd
http://www.springframework.org/schema/mvc
http://www.springframework.org/schema/mvc/spring-mvc-3.0.xsd">
class="org.springframework.http.converter.json.MappingJacksonHttpMessageConverter">
text/html;charset=UTF-8
class="org.springframework.web.servlet.view.InternalResourceViewResolver">
class="org.springframework.web.multipart.commons.CommonsMultipartResolver">
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"
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-3.0.xsd
http://www.springframework.org/schema/mvc
http://www.springframework.org/schema/mvc/spring-mvc-3.0.xsd
http://www.springframework.org/schema/context
http://www.springframework.org/schema/context/spring-context-3.0.xsd
http://www.springframework.org/schema/aop
http://www.springframework.org/schema/aop/spring-aop-3.0.xsd
http://www.springframework.org/schema/tx
http://www.springframework.org/schema/tx/spring-tx-3.0.xsd ">
xmlns="http://java.sun.com/xml/ns/j2ee" xmlns:web="http://xmlns.jcp.org/xml/ns/javaee"
xsi:schemaLocation="http://java.sun.com/xml/ns/j2ee http://java.sun.com/xml/ns/j2ee/web-app_2_4.xsd"
version="2.4">
contextConfigLocation
classpath:spring.xml
org.springframework.web.context.ContextLoaderListener
org.springframework.web.util.IntrospectorCleanupListener
springMVC
org.springframework.web.servlet.DispatcherServlet
contextConfigLocation
classpath:spring-mvc.xml
1
springMVC
/
encodingFilter
org.springframework.web.filter.CharacterEncodingFilter
encoding
UTF-8
forceEncoding
true
encodingFilter
/*
