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  • 大小: 0.44M
    文件類型: .rar
    金幣: 1
    下載: 0 次
    發布日期: 2021-02-01
  • 標簽: Spring??連接池??

資源簡介

根據網上學習教程所來

使用前請先在mysql 自行創建一個名為 test的數據庫

資源截圖

代碼片段和文件信息

package?com.itheima.dataSource;

import?java.util.Collections;
import?java.util.ArrayList;
import?java.lang.reflect.InvocationHandler;
import?java.lang.reflect.Method;
import?java.lang.reflect.Proxy;
import?java.sql.Connection;
import?java.util.List;
import?com.itheima.utils.JDBCUtil;
/*
?*?自定義連接池
?*
?*?*/

public?class?MyDataSource?{
//定義一個池,用于存放連接
private?static?List?pool?=?Collections.synchronizedList(new?ArrayList());
//使用靜態代碼塊給池中加入連接
static{
for(int?i?=?0;i? Connection?conn?=?JDBCUtil.getConnection();
pool.add(conn);
}

}
/*
?*?獲取一個連接
?*?*/
public?static?Connection?getConnection()?{
Connection?conn?=?pool.remove(0);
//創建代理對象
Connection?proxyConn?=?(Connection)?Proxy.newProxyInstance(conn.getC

?屬性????????????大小?????日期????時間???名稱
-----------?---------??----------?-----??----

?????文件????????383??2018-08-16?11:14??day65_ee287\.classpath

?????文件????????387??2018-08-16?11:13??day65_ee287\.project

?????文件????????598??2018-08-16?11:13??day65_ee287\.settings\org.eclipse.jdt.core.prefs

?????文件???????1324??2018-08-17?10:45??day65_ee287\bin\com\itheima\dataSource\MyDataSource$1.class

?????文件???????1697??2018-08-17?10:45??day65_ee287\bin\com\itheima\dataSource\MyDataSource.class

?????文件???????1198??2018-08-17?10:46??day65_ee287\bin\com\itheima\test\DataSourceTest.class

?????文件???????1905??2018-08-17?09:35??day65_ee287\bin\com\itheima\utils\JDBCUtil.class

?????文件????????207??2018-08-16?16:27??day65_ee287\bin\dbconfig.properties

?????文件?????474964??2018-07-24?08:29??day65_ee287\lib\mysql-connector-java-5.0.0-beta-bin.jar

?????文件???????1481??2018-08-17?10:45??day65_ee287\src\com\itheima\dataSource\MyDataSource.java

?????文件????????656??2018-08-17?10:46??day65_ee287\src\com\itheima\test\DataSourceTest.java

?????文件???????1635??2018-08-17?09:35??day65_ee287\src\com\itheima\utils\JDBCUtil.java

?????文件????????207??2018-08-16?16:27??day65_ee287\src\dbconfig.properties

?????目錄??????????0??2018-08-27?11:03??day65_ee287\bin\com\itheima\dataSource

?????目錄??????????0??2018-08-27?11:03??day65_ee287\bin\com\itheima\test

?????目錄??????????0??2018-08-27?11:03??day65_ee287\bin\com\itheima\utils

?????目錄??????????0??2018-08-27?11:03??day65_ee287\src\com\itheima\dataSource

?????目錄??????????0??2018-08-27?11:03??day65_ee287\src\com\itheima\test

?????目錄??????????0??2018-08-27?11:03??day65_ee287\src\com\itheima\utils

?????目錄??????????0??2018-08-27?11:03??day65_ee287\bin\com\itheima

?????目錄??????????0??2018-08-27?11:03??day65_ee287\src\com\itheima

?????目錄??????????0??2018-08-27?11:03??day65_ee287\bin\com

?????目錄??????????0??2018-08-27?11:03??day65_ee287\src\com

?????目錄??????????0??2018-08-27?11:03??day65_ee287\.settings

?????目錄??????????0??2018-08-27?11:03??day65_ee287\bin

?????目錄??????????0??2018-08-27?11:03??day65_ee287\lib

?????目錄??????????0??2018-08-27?11:03??day65_ee287\src

?????目錄??????????0??2018-08-27?11:03??day65_ee287

-----------?---------??----------?-----??----

???????????????486642????????????????????28

............此處省略1個文件信息

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