91av视频/亚洲h视频/操亚洲美女/外国一级黄色毛片 - 国产三级三级三级三级

資源簡介

Android登陸客戶端與服務器端的源代碼

資源截圖

代碼片段和文件信息 

package?wcl.ceshi.servlet;

import?java.sql.Connection;
import?java.sql.DriverManager;
import?java.sql.PreparedStatement;
import?java.sql.ResultSet;
import?java.sql.ResultSetmetaData;

public?class?DBHandler?{
	String?url?=?“jdbc:mysql://localhost:3306/test“;
	String?user=“root“;
	String?psd=“root“;
	private?Connection?conn;
	private?PreparedStatement?ps;
	private?ResultSet?rs;
	public?Connection?getConn（）{
		try{
			Class.forName（“com.mysql.jdbc.Driver“）;
			conn?=?DriverManager.getConnection（url?user?psd）;
		}catch（Exception?ex）{
			ex.printStackTrace（）;
		}		
		return?conn;
	}
	public?String?query（String?sqlString[]?args）{
		String?result=““;
		try{
			conn=getConn（）;
			System.out.println（sql）;
			ps=conn.prepareStatement（sql）;
			for（int?i=0;i				ps.setString（i+1?args[i]）;
			}			
			rs=ps.executeQuery（）;
			ResultSetmetaData?rsmd?=?rs.getmetaData（）;			
			int?count=rsmd.getColumnCount（）;
			System.out.println（count）;
			while?（rs.next（））?{
				for（int?i=1;i<=count;i++）{
					result+=rs.getString（i）+“*“;
				}				
			}
			System.out.println（result）;
		}catch?（Exception?ex）?{
			ex.printStackTrace（）;
		}		
		return?result;		
	}
	public?boolean?insert（String?sqlString[]?args）{
		boolean?flag=false;
		try{
			conn=getConn（）;
			System.out.println（sql）;
			ps=conn.prepareStatement（sql）;
			for（int?i=0;i				ps.setString（i+1?args[i]）;
			}			
			int?i=ps.executeUpdate（）;
			System.out.println（i）;
			if（i==1）{
				flag=true;
			}
		}catch?（Exception?ex）?{
			ex.printStackTrace（）;
		}		
		return?flag;
	}
	public?boolean?checkUser（String?sqlString[]?args）{
		boolean?flag=false;
		try{
			conn=getConn（）;
			ps=conn.prepareStatement（sql）;
			for（int?i=0;i				ps.setString（i+1?args[i]）;
			}			
			rs=ps.executeQuery（）;
			if（rs.next（））{
				flag=true;
			}
		}catch?（Exception?ex）?{
			ex.printStackTrace（）;
		}		
		return?flag;
	}
	public?static?void?main（String[]?args）{//????????????????????
		DBHandler?dbh=new?DBHandler（）;
		String?result=dbh.query（
				“select?*?from?book?where?book_name?like???or?book_author?like??“
				new?String[]?{?“%????%“?“%????%“?}）;
		System.out.println（result）;
	}
}

?屬性????????????大小?????日期????時間???名稱
-----------?---------??----------?-----??----
?????目錄???????????0??2014-03-28?17:52??登陸注冊驗證\
?????目錄???????????0??2014-03-28?17:48??登陸注冊驗證\InfoSearch\
?????文件?????????529??2014-03-28?17:48??登陸注冊驗證\InfoSearch\.classpath
?????目錄???????????0??2014-03-28?17:48??登陸注冊驗證\InfoSearch\.myeclipse\
?????文件?????????303??2014-03-28?17:48??登陸注冊驗證\InfoSearch\.mymetadata
?????文件????????1753??2014-03-28?17:48??登陸注冊驗證\InfoSearch\.project
?????目錄???????????0??2014-03-28?17:48??登陸注冊驗證\InfoSearch\.settings\
?????文件?????????500??2014-03-28?17:48??登陸注冊驗證\InfoSearch\.settings\.jsdtscope
?????文件?????????364??2014-03-28?17:48??登陸注冊驗證\InfoSearch\.settings\org.eclipse.jdt.core.prefs
?????文件?????????468??2014-03-28?17:48??登陸注冊驗證\InfoSearch\.settings\org.eclipse.wst.common.component
?????文件?????????252??2014-03-28?17:48??登陸注冊驗證\InfoSearch\.settings\org.eclipse.wst.common.project.facet.core.xml
?????文件??????????49??2014-03-28?17:48??登陸注冊驗證\InfoSearch\.settings\org.eclipse.wst.jsdt.ui.superType.container
?????文件???????????6??2014-03-28?17:48??登陸注冊驗證\InfoSearch\.settings\org.eclipse.wst.jsdt.ui.superType.name
?????目錄???????????0??2014-03-28?17:48??登陸注冊驗證\InfoSearch\src\
?????目錄???????????0??2014-03-28?17:48??登陸注冊驗證\InfoSearch\src\wcl\
?????目錄???????????0??2014-03-28?17:48??登陸注冊驗證\InfoSearch\src\wcl\ceshi\
?????目錄???????????0??2014-03-28?17:48??登陸注冊驗證\InfoSearch\src\wcl\ceshi\servlet\
?????文件????????2333??2014-03-28?17:48??登陸注冊驗證\InfoSearch\src\wcl\ceshi\servlet\DBHandler.java
?????文件????????1092??2014-03-28?17:48??登陸注冊驗證\InfoSearch\src\wcl\ceshi\servlet\LoginServlet.java
?????文件????????1033??2014-03-28?17:48??登陸注冊驗證\InfoSearch\src\wcl\ceshi\servlet\RegisterServlet.java
?????目錄???????????0??2014-03-28?17:48??登陸注冊驗證\InfoSearch\WebRoot\
?????文件?????????829??2014-03-28?17:48??登陸注冊驗證\InfoSearch\WebRoot\index.jsp
?????目錄???????????0??2014-03-28?17:48??登陸注冊驗證\InfoSearch\WebRoot\meta-INF\
?????文件??????????36??2014-03-28?17:48??登陸注冊驗證\InfoSearch\WebRoot\meta-INF\MANIFEST.MF
?????目錄???????????0??2014-03-28?17:48??登陸注冊驗證\InfoSearch\WebRoot\WEB-INF\
?????目錄???????????0??2014-03-28?17:48??登陸注冊驗證\InfoSearch\WebRoot\WEB-INF\classes\
?????目錄???????????0??2014-03-28?17:48??登陸注冊驗證\InfoSearch\WebRoot\WEB-INF\classes\wcl\
?????目錄???????????0??2014-03-28?17:48??登陸注冊驗證\InfoSearch\WebRoot\WEB-INF\classes\wcl\ceshi\
?????目錄???????????0??2014-03-28?17:48??登陸注冊驗證\InfoSearch\WebRoot\WEB-INF\classes\wcl\ceshi\servlet\
?????文件????????3443??2014-03-28?17:48??登陸注冊驗證\InfoSearch\WebRoot\WEB-INF\classes\wcl\ceshi\servlet\DBHandler.class
?????文件????????1635??2014-03-28?17:48??登陸注冊驗證\InfoSearch\WebRoot\WEB-INF\classes\wcl\ceshi\servlet\LoginServlet.class
............此處省略106個文件信息

評論

共有 條評論