spring使用mybatis

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  1. web.xml中增加spring-mybatis.xml文档
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<context-param>
<param-name>contextConfigLocation</param-name>
<param-value>classpath:spring-mybatis.xml</param-value>
</context-param>
<!-- Spring监听器 -->
<listener>
<listener-class>org.springframework.web.context.ContextLoaderListener</listener-class>
</listener>
  1. 新增spring-mybatis.xml
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<?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: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.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">
<!-- 自动扫描 -->
<context:component-scan base-package="com.jishengsoft" />
<!-- 引入配置文档 -->
<bean id="propertyConfigurer"
class="org.springframework.beans.factory.config.PropertyPlaceholderConfigurer">
<property name="location" value="classpath:jdbc.properties" />
</bean>
<bean id="dataSource" class="org.apache.commons.dbcp.BasicDataSource"
destroy-method="close">
<property name="driverClassName" value="$driver" />
<property name="url" value="$url" />
<property name="username" value="$username" />
<property name="password" value="$password" />
<!-- 初始化连接大小 -->
<property name="initialSize" value="$initialSize"></property>
<!-- 连接池最大数量 -->
<property name="maxActive" value="$maxActive"></property>
<!-- 连接池最大空闲 -->
<property name="maxIdle" value="$maxIdle"></property>
<!-- 连接池最小空闲 -->
<property name="minIdle" value="$minIdle"></property>
<!-- 获取连接最大等待时间 -->
<property name="maxWait" value="$maxWait"></property>
</bean>
<!-- 配置sqlSessionFactory -->
<bean id="sqlSessionFactory" class="org.mybatis.spring.SqlSessionFactoryBean">
<property name="dataSource" ref="dataSource" />
</bean>
<!-- DAO接口所在包名,Spring会自动查找其下的类 -->
<bean class="org.mybatis.spring.mapper.MapperScannerConfigurer">
<property name="basePackage" value="com.jishengsoft.mapping" />
<property name="sqlSessionFactoryBeanName" value="sqlSessionFactory"></property>
</bean>
<!-- (事务管理)transaction manager, use JtaTransactionManager for global tx -->
<bean id="transactionManager"
class="org.springframework.jdbc.datasource.DataSourceTransactionManager">
<property name="dataSource" ref="dataSource" />
</bean>
</beans>
  1. 配置数据库的连接文档jdbc.properties(连接的是sqlserver)
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driver=com.microsoft.sqlserver.jdbc.SQLServerDriver
url=jdbc:sqlserver://127.0.0.1:1433;databaseName=swgldemo
username=sa
password=123456
#定义初始连接数
initialSize=0
#定义最大连接数
maxActive=20
#定义最大空闲
maxIdle=20
#定义最小空闲
minIdle=1
#定义最长等待时间
maxWait=60000
  1. 新增实体类User.java
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package com.jishengsoft.pojo;
public class User
private String userName;
private String password;
private String shopCode;
public String getUserName()
return userName;
public void setUserName(String userName)
this.userName=userName;
public String getPassword()
return password;
public void setPassword(String password)
this.password=password;
public void setShopCode(String shopCode)
this.shopCode = shopCode;
public String getShopCode()
return shopCode;
  1. 新增Dao接口UserMapper.java
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package com.jishengsoft.mapping;
import java.util.List;
import org.apache.ibatis.annotations.Select;
import com.jishengsoft.pojo.User;
public interface UserMapper
@Select("select 操作员 as userName,口令 as password from 操作员")
List<User> getUserList();
  1. 在service或controller调用Dao接口
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@Resource //自动实例化
private UserMapper userMapper;
userMapper.getUserList();
  1. 结果展示
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[
userName: "ghl",
password: "30303030303030303030303030303030",
shopCode: null
,
userName: "jsuser",
password: "303630303030303030303030303030303639433344313342354142443038394635313336434233303935383034434532",
shopCode: null
,
userName: "采购员",
password: "30303030303030303030303030303030",
shopCode: null
,
userName: "仓管员",
password: "30303030303030303030303030303030",
shopCode: null
,
userName: "系统管理员",
password: "30303030303030303030303030303030",
shopCode: null
,
userName: "销售前台",
password: "30303030303030303030303030303030",
shopCode: null
,
userName: "总经理",
password: "30303030303030303030303030303030",
shopCode: null
]

原文:大专栏  spring使用mybatis


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