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  • spring.xml从外部文件引入数据库配置信息

     1     <!-- 分散配置 -->
     2     <context:property-placeholder location="classpath:jdbc.properties" />
     3 
     4     <!-- 数据源 -->
     5     <bean id="dataSource" class="com.mchange.v2.c3p0.ComboPooledDataSource">
     6         <property name="driverClass" value="${jdbc.driverclass}" />
     7         <property name="jdbcUrl" value="${jdbc.url}"></property>
     8         <property name="user" value="${jdbc.username}" />
     9         <property name="password" value="${jdbc.password}" />
    10 
    11         <property name="maxPoolSize" value="${c3p0.pool.size.max}" />
    12         <property name="minPoolSize" value="${c3p0.pool.size.min}" />
    13         <property name="initialPoolSize" value="${c3p0.pool.size.ini}" />
    14         <property name="acquireIncrement" value="${c3p0.pool.size.increment}" />
    15     </bean>

    jdbc.properties

     1 jdbc.driverclass=com.mysql.jdbc.Driver
     2 jdbc.url=jdbc:mysql://localhost:3306/springmvcdb?characterEncoding=utf-8
     3 jdbc.username=root
     4 jdbc.password=root
     5 
     6 c3p0.pool.size.max=10
     7 c3p0.pool.size.min=2
     8 c3p0.pool.size.ini=3
     9 c3p0.pool.size.increment=2
    10 
    11 hibernate.dialect=org.hibernate.dialect.MySQL5Dialect
    12 hibernate.show_sql=true

     1 <?xml version="1.0" encoding="UTF-8"?>
     2 <beans xmlns="http://www.springframework.org/schema/beans"
     3     xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" 
     4     xmlns:mvc="http://www.springframework.org/schema/mvc"
     5     xmlns:context="http://www.springframework.org/schema/context"
     6     xmlns:aop="http://www.springframework.org/schema/aop" 
     7     xmlns:tx="http://www.springframework.org/schema/tx"
     8     xsi:schemaLocation="http://www.springframework.org/schema/beans 
     9                         http://www.springframework.org/schema/beans/spring-beans-3.2.xsd 
    10                         http://www.springframework.org/schema/mvc 
    11                         http://www.springframework.org/schema/mvc/spring-mvc-3.2.xsd 
    12                         http://www.springframework.org/schema/context 
    13                         http://www.springframework.org/schema/context/spring-context-3.2.xsd
    14                         http://www.springframework.org/schema/aop 
    15                         http://www.springframework.org/schema/aop/spring-aop-3.2.xsd 
    16                         http://www.springframework.org/schema/tx 
    17                         http://www.springframework.org/schema/tx/spring-tx-3.2.xsd ">
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  • 原文地址:https://www.cnblogs.com/friends-wf/p/3801507.html
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