综合小项目源码

package com.jdbc.mysql.myconnection;

import java.sql.Connection;
import java.sql.DriverManager;

public class Myconnection{
	private String string = “com.mysql.jdbc.Driver“;
	private Connection connection = null;
	private static Myconnection myconnection = new Myconnection（）;
	public void connectioning（String databasename）{
		try {
			Class.forName（string）;
			/**
			 * 这里设置mysql的连接字符串
			 */
			String urlString = “jdbc:“+databasename+“?useSSL=true“;
			String userString = ““;//用户
			String passwordString = ““;//密码
			connection = DriverManager.getConnection（urlString userString passwordString）;
		}catch （Exception e） {
		// TODO: handle exception
			e.printStackTrace（）;
		}
	}
	public void deleteMyconnection（）{
		try{
			if（connection != null）
				connection.close（）;
		}catch（Exception e）{
			e.printStackTrace（）;
		}
	}
	public Connection getConnection（） {
		return connection;
	}
	public void setConnection（Connection connection） {
		this.connection = connection;
	}
	public static Myconnection getMyconnection（） {
		return myconnection;
	}
	public static void setMyconnection（Myconnection myconnection） {
		Myconnection.myconnection = myconnection;
	}
	private Myconnection（） {
		super（）;
		// TODO Auto-generated constructor stub
	}
	
}

 属性            大小     日期    时间   名称
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     目录           0  2017-07-26 19:34  serverlrtandhtml
     文件         529  2017-07-24 12:52  serverlrtandhtml.classpath
     文件         321  2017-07-23 22:41  serverlrtandhtml.mymetadata
     文件        1759  2017-07-23 22:43  serverlrtandhtml.project
     目录           0  2017-07-23 23:00  serverlrtandhtml.settings
     文件         500  2017-07-23 22:41  serverlrtandhtml.settings.jsdtscope
     文件         124  2017-11-02 20:21  serverlrtandhtml.settingscom.genuitec.eclipse.core.prefs
     文件         395  2017-07-23 22:41  serverlrtandhtml.settingsorg.eclipse.jdt.core.prefs
     文件         486  2017-07-23 22:41  serverlrtandhtml.settingsorg.eclipse.wst.common.component
     文件         252  2017-07-23 22:41  serverlrtandhtml.settingsorg.eclipse.wst.common.project.facet.core.xml
     文件          49  2017-07-23 22:41  serverlrtandhtml.settingsorg.eclipse.wst.jsdt.ui.superType.container
     文件           6  2017-07-23 22:41  serverlrtandhtml.settingsorg.eclipse.wst.jsdt.ui.superType.name
     目录           0  2017-07-23 23:17  serverlrtandhtmlsrc
     目录           0  2017-07-26 19:41  serverlrtandhtmlsrccom
     目录           0  2017-07-26 19:41  serverlrtandhtmlsrccomjdbc
     目录           0  2017-07-26 20:10  serverlrtandhtmlsrccomjdbcmysql
     目录           0  2017-07-26 19:42  serverlrtandhtmlsrccomjdbcmysqlmyconnection
     文件        1334  2019-04-20 15:28  serverlrtandhtmlsrccomjdbcmysqlmyconnectionMyconnection.java
     目录           0  2017-08-01 10:39  serverlrtandhtmlsrccomjdbcmysqlMyDatabase
     文件        1983  2019-04-20 15:28  serverlrtandhtmlsrccomjdbcmysqlMyDatabaseMyDatabasehaveinternet.java
     文件        3534  2019-04-20 15:29  serverlrtandhtmlsrccomjdbcmysqlMyDatabaseMyDatabasenointernet.java
     文件        2656  2019-04-20 15:29  serverlrtandhtmlsrccomjdbcmysqlMyDatabaseMyDatabasePrepar.java
     目录           0  2017-07-23 23:17  serverlrtandhtmlsrccomxust
     目录           0  2017-07-24 15:05  serverlrtandhtmlsrccomxustjia
     文件        6063  2019-04-20 15:30  serverlrtandhtmlsrccomxustjiaIndexServerlet.java
     目录           0  2017-07-23 23:00  serverlrtandhtmlWebRoot
     目录           0  2017-07-23 22:42  serverlrtandhtmlWebRootCSS
     文件        1485  2017-07-18 19:15  serverlrtandhtmlWebRootCSSMyCss.css
     目录           0  2017-07-23 22:42  serverlrtandhtmlWebRootHTML
     文件        8151  2017-08-02 15:26  serverlrtandhtmlWebRootHTMLLogin.html
     文件         840  2017-07-25 15:09  serverlrtandhtmlWebRootindex.jsp
............此处省略22个文件信息