日期:2014-05-16  浏览次数:20413 次

Spring基础知识1:spring2.5与jdbc整合demo

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&amp;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