使用ssm框架,bean,和dao,mapper使用mybatis逆向生成
项目结构
报的错误
org.springframework.beans.factory.UnsatisfiedDependencyException: Error creating bean with name 'userController': Unsatisfied dependency expressed through field 'userService'; nested exception is org.springframework.beans.factory.UnsatisfiedDependencyException: Error creating bean with name 'userService': Unsatisfied dependency expressed through field 'userMapper'; nested exception is org.springframework.beans.factory.UnsatisfiedDependencyException: Error creating bean with name 'userMapper' defined in file [D:\MyFile\Program_file\eclipsefile\.metadata\.plugins\org.eclipse.wst.server.core\tmp0\wtpwebapps\ssm-curd\WEB-INF\classes\com\atguigu\curd\dao\UserMapper.class]: Unsatisfied dependency expressed through bean property 'sqlSessionFactory'; nested exception is org.springframework.beans.factory.BeanCreationException: Error creating bean with name 'sqlSessionFactory' defined in class path resource [applicationContext.xml]: Invocation of init method failed; nested exception is org.springframework.core.NestedIOException: Failed to parse mapping resource: 'file [D:\MyFile\Program_file\eclipsefile\.metadata\.plugins\org.eclipse.wst.server.core\tmp0\wtpwebapps\ssm-curd\WEB-INF\classes\mapper\MemberMapper.xml]'; nested exception is org.apache.ibatis.builder.BuilderException: Error parsing Mapper XML. Cause: java.lang.IllegalArgumentException: Result Maps collection already contains value for com.atguigu.curd.dao.MemberMapper.BaseResultMap
at org.springframework.beans.factory.annotation.AutowiredAnnotationBeanPostProcessor$AutowiredFieldElement.inject(AutowiredAnnotationBeanPostProcessor.java:588)
at org.springframework.beans.factory.annotation.InjectionMetadata.inject(InjectionMetadata.java:88)
at org.springframework.beans.factory.annotation.AutowiredAnnotationBeanPostProcessor.postProcessPropertyValues(AutowiredAnnotationBeanPostProcessor.java:366)
at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.populateBean(AbstractAutowireCapableBeanFactory.java:1264)
at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.doCreateBean(AbstractAutowireCapableBeanFactory.java:553)
at
一直报这个错,我检查了注解没啥问题,配置扫描的时候也是上一级目录直接.*,网上搜了好多都不好使啊,很头疼,
controller类
package com.atguigu.curd.controller;
import java.util.List;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Controller;
import org.springframework.ui.Model;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.RequestParam;
import org.springframework.web.bind.annotation.ResponseBody;
import com.atguigu.curd.bean.Msg;
import com.atguigu.curd.bean.User;
import com.atguigu.curd.service.UserService;
import com.github.pagehelper.PageHelper;
import com.github.pagehelper.PageInfo;
@Controller
public class UserController {
@Autowired
private UserService userService;
@RequestMapping("/user")
@ResponseBody
public Msg getUserWithJson(@RequestParam(value = "pn",defaultValue = "1")Integer pn, Model model){
PageHelper.startPage(pn, 5);
List<User> users = userService.getAll();
PageInfo<User> page = new PageInfo<>(users,5);
return Msg.success().add("pageInfo",page);
}
}
service类
package com.atguigu.curd.service;
import java.util.List;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Service;
import com.atguigu.curd.bean.User;
import com.atguigu.curd.dao.UserMapper;
@Service
public class UserService {
@Autowired
UserMapper userMapper;
/***
* 查询所有
* @return
*/
public List<User> getAll() {
return userMapper.selectByExampleWithMember(null);
}
}
这是测试类
package com.atguigu.curd.test;
import java.util.List;
import org.apache.ibatis.session.SqlSession;
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.SpringJUnit4ClassRunner;
import com.atguigu.curd.bean.User;
import com.atguigu.curd.dao.UserMapper;
@RunWith(SpringJUnit4ClassRunner.class)
@ContextConfiguration(locations = {"classpath:applicationContext.xml"})
public class MapperTest {
@Autowired
SqlSession sqlSession;
@Test
public void testUIRD(){
UserMapper userMapper = sqlSession.getMapper(UserMapper.class);
List<User> users = userMapper.selectByExampleWithMember(null);
System.out.println(users);
/* for(int i=0;i<100;i++){
String uid = UUID.randomUUID().toString().substring(0,5)+i;
}*/
}
}
调用的这个查询方法
<select id="selectByExampleWithMember" resultMap="WithMemberResultMap">
select
<if test="distiwnct">
distinct
</if>
<include refid="WithMember_Column_lis" />
from fs_user as u left join fs_member as m on u.m_id=m.member_id
<if test="_parameter != null">
<include refid="Example_Where_Clause" />
</if>
order by id
</select>
spring配置文件
applicationContext.xml文件
<?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: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/aop http://www.springframework.org/schema/aop/spring-aop-4.3.xsd
http://www.springframework.org/schema/beans http://www.springframework.org/schema/beans/spring-beans-3.2.xsd
http://www.springframework.org/schema/tx http://www.springframework.org/schema/tx/spring-tx-4.3.xsd
http://www.springframework.org/schema/context http://www.springframework.org/schema/context/spring-context-4.3.xsd">
<context:component-scan base-package="com.atguigu.*">
<context:include-filter type="annotation" expression="org.springframework.stereotype.Controller"></context:include-filter>
</context:component-scan>
<!--Spring的配置文件,配置和业务逻辑有关-->
<!--==================================数据源,事务控制================================-->
<context:property-placeholder location="classpath:dbconfig.properties"></context:property-placeholder>
<bean id="pooledDataSource" class="com.mchange.v2.c3p0.ComboPooledDataSource">
<property name="jdbcUrl" value="${jdbc.jdbcUrl}useUnicode=true;characterEncoding=utf-8;allowMultiQueries=true"></property>
<property name="driverClass" value="${jdbc.driverClass}"></property>
<property name="user" value="${jdbc.user}"></property>
<property name="password" value="${jdbc.password}"></property>
</bean>
<!--======================================配置和Mybatis的整合==================================-->
<bean id="sqlSessionFactory" class="org.mybatis.spring.SqlSessionFactoryBean">
<property name="configLocation" value="classpath:mybatis-config.xml" ></property>
<property name="dataSource" ref="pooledDataSource"></property>
<property name="mapperLocations" value="classpath:mapper/*.xml"></property>
</bean>
<!--配置扫描器,将mybatis接口的实现加入到ioc容器中-->
<bean class="org.mybatis.spring.mapper.MapperScannerConfigurer">
<!--扫描所有dao接口的始兴县,加入到ioc容器中-->
<property name="basePackage" value="com.atguigu.curd.dao"></property>
</bean>
<!--配置可以批量执行的sqlSession-->
<bean id="sqlSeddion" class="org.mybatis.spring.SqlSessionTemplate">
<constructor-arg name="sqlSessionFactory" ref="sqlSessionFactory"></constructor-arg>
<constructor-arg name="executorType" value="BATCH"></constructor-arg>
</bean>
<!--==========================事务控制========================-->
<bean id="transactionManager" class="org.springframework.jdbc.datasource.DataSourceTransactionManager">
<!--控制住数据源-->
<property name="dataSource" ref="pooledDataSource"></property>
</bean>
<!--开启基于注解的事务,使用xml配置形式的事务-->
<aop:config>
<!--切入点表达式-->
<aop:pointcut id="txPoint" expression="execution(* com.atguigu.curd.service..*(..))"/>
<!--配置事务增强-->
<aop:advisor advice-ref="txAdvice" pointcut-ref="txPoint" />
</aop:config>
<!--配置事务增强,事务如何切入-->
<tx:advice id="txAdvice">
<tx:attributes>
<!--所有方法都是事务方法-->
<tx:method name="*"/>
<!--以get开始的所有方法-->
<tx:method name="get*" read-only="true"/>
</tx:attributes>
</tx:advice>
<!--spring配置问价核心点(数据源,与mybatis整合,事务控制)-->
</beans>
mybatis-config.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>
<settings>
<setting name="mapUnderscoreToCamelCase" value="true"/>
</settings>
<typeAliases>
<package name="com.atguigu.curd.bean"/>
</typeAliases>
<plugins>
<plugin interceptor="com.github.pagehelper.PageInterceptor"></plugin>
</plugins>
</configuration>
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">
<display-name>ssm-curd</display-name>
<!--1、启动Spring容器-->
<!--needed for ContextLoaderListener-->
<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>
<!--2、配置springmvc前端控制器,拦截所有请求-->
<servlet>
<servlet-name>dispatcherServlet</servlet-name>
<servlet-class>org.springframework.web.servlet.DispatcherServlet</servlet-class>
<load-on-startup>1</load-on-startup>
</servlet>
<!-- Map all requests to the DispatcherServlet for handling -->
<servlet-mapping>
<servlet-name>dispatcherServlet</servlet-name>
<url-pattern>/</url-pattern>
</servlet-mapping>
<!--3、字符编码过滤器,一定放在所有过滤器之前-->
<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>
<init-param>
<param-name>forceRequestEncoding</param-name>
<param-value>true</param-value>
</init-param>
<init-param>
<param-name>forceResponseEncoding</param-name>
<param-value>true</param-value>
</init-param>
</filter>
<filter-mapping>
<filter-name>CharacterEncodingFilter</filter-name>
<url-pattern>/*</url-pattern>
</filter-mapping>
<!--4、使用rest风格uri将页面post请求转为制定的delete或者普通请求-->
<filter>
<filter-name>HiddenHttpMethodFilter</filter-name>
<filter-class>org.springframework.web.filter.HiddenHttpMethodFilter</filter-class>
</filter>
<filter-mapping>
<filter-name>HiddenHttpMethodFilter</filter-name>
<url-pattern>/*</url-pattern>
</filter-mapping>
</web-app>
spring MVC配置
<?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: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.xsd http://www.springframework.org/schema/context http://www.springframework.org/schema/context/spring-context.xsd http://www.springframework.org/schema/mvc http://www.springframework.org/schema/mvc/spring-mvc.xsd">
<!--SpringMVC的配置文件,包含网站跳转逻辑控制-->
<context:component-scan base-package="com.atguigu.*" use-default-filters="false">
<context:include-filter type="annotation" expression="org.springframework.stereotype.Controller"></context:include-filter>
</context:component-scan>
<!--配置视图解析器-->
<bean class="org.springframework.web.servlet.view.InternalResourceViewResolver">
<property name="prefix" value="/WEB-INF/jsp/"></property>
<property name="suffix" value=".jsp"></property>
</bean>
<!--两个标准配置-->
<!--将springmvc不能处理的请求交给tomcat-->
<mvc:default-servlet-handler/>
<!--能支持springmvc更高级的一些功能,jsr303校验,快捷的ajax。。映射动态请求-->
<mvc:annotation-driven/>
</beans>
ssm配置文件和controller,service都放上去了希望大佬帮忙看一下子,万分感谢!!