<img src="https://img-blog.youkuaiyun.com/20160917213130117?watermark/2/text/aHR0cDovL2Jsb2cuY3Nkbi5uZXQv/font/5a6L5L2T/fontsize/400/fill/I0JBQkFCMA==/dissolve/70/gravity/Center" alt="" />
package daisy.com;
import java.util.List;
import com.sun.javafx.collections.MappingChange.Map;
public interface OlapService {
public int countAll();
public void insertStudent(Student student);
public List<Student> getAllStudent();
public Student getById(int id);
public void deleteStudent(int id);
public void updateStudent(Map<String,Object> map);
}
</pre><pre name="code" class="java"><pre name="code" class="java">package daisy.com;
import java.util.List;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Service;
import com.sun.javafx.collections.MappingChange.Map;
@Service("olapService")
public class OlapServiceImpl implements OlapService{
@Autowired
StudentDao studentDao;
public int countAll() {
return studentDao.countAll();
}
public void insertStudent(Student student) {
studentDao.insertStudent(student);
}
public List<Student> getAllStudent() {
return studentDao.getAllStudent();
}
public Student getById(int id) {
return studentDao.getById(id);
}
public void deleteStudent(int id) {
studentDao.deleteStudent(id);
}
public void updateStudent(Map<String, Object> map) {
studentDao.updateStudent(map);
}
}
</pre><pre name="code" class="java">package daisy.com;
import java.util.List;
import com.sun.javafx.collections.MappingChange.Map;
public interface StudentDao {
public int countAll();
public void insertStudent(Student student);
public List<Student> getAllStudent();
public Student getById(int id);
public void deleteStudent(int id);
public void updateStudent(Map<String,Object> map);
}
</pre><pre name="code" class="java">
package daisy.com;
import java.util.List;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Service;
import com.sun.javafx.collections.MappingChange.Map;
@Service("studentDao")
public class StudentDaoImpl implements StudentDao{
@Autowired
private StudentMapper studentMapper;
public int countAll() {
return studentMapper.countAll();
}
public void insertStudent(Student student) {
studentMapper.insertStudent(student);
}
public List<Student> getAllStudent() {
return studentMapper.getAllStudent();
}
public Student getById(int id) {
return studentMapper.getById(id);
}
public void deleteStudent(int id) {
studentMapper.deleteStudent(id);
}
public void updateStudent(Map<String, Object> map) {
studentMapper.updateStudent(map);
}
}
package daisy.com;
import java.util.List;
import org.springframework.stereotype.Service;
import com.sun.javafx.collections.MappingChange.Map;
@Service("studentMapper")
public interface StudentMapper {
public int countAll();
public void insertStudent(Student student);
public List<Student> getAllStudent();<pre name="code" class="java">package daisy.com;
public class Student {
private String name;
private int id;
private int classId;
public String getName() {
return name;
}
public void setName(String name) {
this.name = name;
}
public int getId() {
return id;
}
public void setId(int id) {
this.id = id;
}
public int getClassId() {
return classId;
}
public void setClassId(int classId) {
this.classId = classId;
}
}
public Student getById(int id); public void deleteStudent(int id); public void updateStudent(Map<String,Object> map);}
配置文件
<?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:tx="http://www.springframework.org/schema/tx" xmlns:aop="http://www.springframework.org/schema/aop"
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/tx
http://www.springframework.org/schema/tx/spring-tx.xsd
http://www.springframework.org/schema/aop
http://www.springframework.org/schema/aop/spring-aop-3.0.xsd
http://www.springframework.org/schema/mvc
http://www.springframework.org/schema/mvc/spring-mvc-3.0.xsd">
<!-- 加载配置文件 -->
<context:property-placeholder location="config.properties" />
<!-- 指定spring注解注入层 -->
<context:component-scan base-package="daisy.com" />
<!-- 数据库连接池管理 -->
<bean id="c3p0DataSource" class="com.mchange.v2.c3p0.ComboPooledDataSource"
destroy-method="close">
<property name="driverClass" value="${db.driverClass}"></property>
<property name="jdbcUrl" value="${db.jdbcUrl}"></property>
<property name="user" value="${db.user}"></property>
<property name="password" value="${db.password}"></property>
<property name="initialPoolSize" value="${db.initialPoolSize}"></property>
<!--最大空闲时间,60秒内未使用则连接被丢弃。若为0则永不丢弃。Default: 0 -->
<property name="maxIdleTime" value="${db.maxIdleTime}"></property>
<!--连接池中保留的最大连接数。Default: 15 -->
<property name="maxPoolSize" value="${db.maxPoolSize}"></property>
<property name="minPoolSize" value="${db.minPoolSize}"></property>
<!--当连接池中的连接耗尽的时候c3p0一次同时获取的连接数。Default: 3 -->
<property name="acquireIncrement" value="${db.acquireIncrement}"></property>
<!--两次连接中间隔时间,单位毫秒。Default: 1000 -->
<property name="acquireRetryDelay" value="${db.acquireRetryDelay}"></property>
<!--定义在从数据库获取新连接失败后重复尝试的次数。Default: 30 -->
<property name="acquireRetryAttempts" value="${db.acquireRetryAttempts}"></property>
<!--获取连接失败将会引起所有等待连接池来获取连接的线程抛出异常。但是数据源仍有效保留,并在下次调用getConnection()的时候继续尝试获取连接。如果设为true,那么在尝试
获取连接失败后该数据源将申明已断开并永久关闭。Default: false -->
<property name="breakAfterAcquireFailure" value="${db.breakAfterAcquireFailure}"></property>
</bean>
<!-- ================================事务相关控制================================================= -->
<bean name="transactionManager"
class="org.springframework.jdbc.datasource.DataSourceTransactionManager">
<property name="dataSource" ref="c3p0DataSource"></property>
</bean>
<tx:advice id="userTxAdvice" transaction-manager="transactionManager">
<tx:attributes>
<tx:method name="delete*" propagation="REQUIRED" read-only="false"
rollback-for="java.lang.Exception" no-rollback-for="java.lang.RuntimeException" />
<tx:method name="insert*" propagation="REQUIRED" read-only="false"
rollback-for="java.lang.RuntimeException" />
<tx:method name="update*" propagation="REQUIRED" read-only="false"
rollback-for="java.lang.Exception" />
<tx:method name="find*" propagation="SUPPORTS" />
<tx:method name="get*" propagation="SUPPORTS" />
<tx:method name="select*" propagation="SUPPORTS" />
</tx:attributes>
</tx:advice>
<aop:config>
<aop:pointcut id="pc"
expression="execution(public * daisy.com.*.*(..))" /> <!--把事务控制在Service层 -->
<aop:advisor pointcut-ref="pc" advice-ref="userTxAdvice" />
</aop:config>
<bean id="sqlSessionFactory" class="org.mybatis.spring.SqlSessionFactoryBean">
<property name="dataSource" ref="c3p0DataSource" />
<property name="configLocation" value="MyBatis-Configuration.xml" />
</bean>
<bean class="org.mybatis.spring.mapper.MapperFactoryBean">
<property name="mapperInterface" value="daisy.com.StudentMapper" />
<property name="sqlSessionFactory" ref="sqlSessionFactory" />
</bean>
</beans>
db.driverClass=com.microsoft.sqlserver.jdbc.SQLServerDriver
db.jdbcUrl=jdbc:sqlserver://localhost:1433;DatabaseName=proceduretest
db.user=sa
db.password=1
db.initialPoolSize=20
db.maxIdleTime=60
db.maxPoolSize=200
db.minPoolSize=50
db.acquireIncrement=3
db.acquireRetryDelay=1000
db.acquireRetryAttempts=30
db.breakAfterAcquireFailure=false
<?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>
<typeAliases>
<typeAlias alias="user" type="daisy.com.Student"/>
</typeAliases>
<!-- 指定映射文件 -->
<mappers>
<mapper resource="StudentDaoMapper.xml" />
</mappers>
</configuration>
<?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="daisy.com.StudentMapper">
<parameterMap type="daisy.com.Student" id="parameterMapStudent">
<parameter property="id"/>
<parameter property="name"/>
<parameter property="classId"/>
</parameterMap>
<resultMap type="daisy.com.Student" id="resultMapStudent">
<result property="id" column="id"/>
<result property="name" column="name"/>
<result property="classId" column="classId"/>
</resultMap>
<insert id="insertStudent" parameterMap="parameterMapStudent">
INSERT INTO Student(id,name,classId)
VALUES(?,?,?)
</insert>
<select id="countAll" resultType="int">
select count(*) c from Student;
</select>
<select id="getAllStudent" resultMap="resultMapStudent">
SELECT * FROM Student
</select>
<select id="getById" parameterType="int" resultMap="resultMapStudent">
SELECT * FROM Student
WHERE id=#{value}
</select>
<delete id="deleteStudent" parameterType="int">
DELETE FROM Student
WHERE id=#{value}
</delete>
<update id="updateStudent" parameterType="java.util.Map">
UPDATE Student
SET name=#{name}
WHERE id=#{id}
</update>
</mapper>
package daisy.com;
import java.util.List;
import com.sun.javafx.collections.MappingChange.Map;
public interface OlapService {
public int countAll();
public void insertStudent(Student student);
public List
getAllStudent();
public Student getById(int id);
public void deleteStudent(int id);
public void updateStudent(Map
map);
}
empty