日期:2014-05-16 浏览次数:20505 次
好久没写jdbc的相关代码了,都忘得差不多了,一直都在用hibernate,这次学习spring,书中有关于jdbc整合的章节,并且讲了很多,于是决定再次写有关jdbc代码。整个写的非常简单,具体如下:
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第一步:引入相关的jar包
第二步:在spring中配置好数据源(bean.xml)
<?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/beans
http://www.springframework.org/schema/beans/spring-beans-2.5.xsd
http://www.springframework.org/schema/context http://www.springframework.org/schema/context/spring-context-2.5.xsd
http://www.springframework.org/schema/aop http://www.springframework.org/schema/aop/spring-aop-2.5.xsd
http://www.springframework.org/schema/tx http://www.springframework.org/schema/tx/spring-tx-2.5.xsd">
<context:annotation-config/>
<context:component-scan base-package="spring.test"/>
<!-- <aop:aspectj-autoproxy/> -->
<!-- mysql 5.0 -->
<bean id="dataSource" class="org.apache.commons.dbcp.BasicDataSource" destroy-method="close">
<property name="driverClassName" value="org.gjt.mm.mysql.Driver"/>
<property name="url" value="jdbc:mysql://localhost:3306/link?useUnicode=true&characterEncoding=gbk"/>
<property name="username" value="root"/>
<property name="password" value="hyj_lk"/>
<!-- 连接池启动时的初始值 -->
<property name="initialSize" value="1"/>
<!-- 连接池的最大值 -->
<property name="maxActive" value="500"/>
<!-- 最大空闲值.当经过一个高峰时间后,连接池可以慢慢将已经用不到的连接慢慢释放一部分,一直减少到maxIdle为止 -->
<property name="maxIdle" value="2"/>
<!-- 最小空闲值.当空闲的连接数少于阀值时,连接池就会预申请去一些连接,以免洪峰来时来不及申请 -->
<property name="minIdle" value="1"/>
</bean>
</beans>
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第三步:创建实体bean(说明:这里其实可以不要创建这个bean,为了方便还是创建了这个bean) Sort.java
//*******************************************************************//
//
//** 创建人: Link
//
//** 描 述: sort表实体bean -- 分类(栏目)表
//
//
//*******************************************************************//
package spring.test.bean;
import java.util.Date;
public class Sort {
private int id; //标识(主键)
private int sid; //分类ID(父ID)
private String title; //标题
private String info; //描述
private String url; //url
private String imgurl; //图片路径
private int isindex=0; //是否在首页显示(0否,1是 默认0)
private int ishot=0; //是否为热门(0否,1是 默认0)
private int isnew=0; //是否为新(0否,1是 默认0)
private int sortnum=0; //排序号
private long hits=0; //点击次数
private Date puttime=new Date(); //更新日期
private int property=0; //属性:是否通过(0否,1是 默认0)
public int getId() {
return id;
}
public void setId(int id) {
this.id = id;
}
public int getSid() {
return sid;
}
public void setSid(int sid) {
this.sid = sid;
}
public String getTitle() {
return title;
}
public void setTitle(String title) {
this.title = title;
}
public String getInfo() {
return info;
}
public void setInfo(String info) {
this.info = info;
}
public String getUrl() {
return url;
}
public void setUrl(String url) {
this.url = url;
}
public String getImgurl() {
return imgurl;
}
public void setImgurl(String imgurl) {
this.imgurl = imgurl;
}
public int getIsindex() {
return isindex;
}
public void setIsindex(int isindex) {
this.isindex = isindex;
}
public int getIshot() {
return ishot;
}
public void setIshot(int ishot) {
this.ishot = ishot;
}
public int getIsnew() {
return isnew;
}
public void setIsnew(int isnew) {
this.isnew = isnew;
}
public int getSortnum() {
return sortnu