package?dao;

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

public?class?UserDao?{
	public?Boolean?AddUser（String?usernameString?passwordString?emailString?code）{
		Boolean?result=false;
		Connection?conn=null;
		String?sql=“insert?into?t_user（usernamepasswordemailcodestate）?values（?????）“;
		try?{
			//注冊(cè)驅(qū)動(dòng)
			Class.forName（“com.mysql.jdbc.Driver“）;
			//建立連接
			conn=DriverManager.getConnection（“jdbc:mysql://localhost:3306/SendMail““root““dannyhoo“）;
			PreparedStatement?pstmt=conn.prepareStatement（sql）;
			pstmt.setString（1username）;
			pstmt.setString（2password）;
			pstmt.setString（3email）;
			pstmt.setString（4code）;
			pstmt.setInt（50）;
			result=pstmt.execute（）;
		}catch（ClassNotFoundException?e）{
			e.printStackTrace（）;
		}catch?（SQLException?e）?{
			e.printStackTrace（）;
		}
		return?result;
	}

	public?String?findUserByCode（String?code）?{
		String?username=““;
		Connection?conn=null;
		ResultSet?rs=null;
		String?sql=“select?username?from?t_user?where?code=?“;
		try?{
			//注冊(cè)驅(qū)動(dòng)
			Class.forName（“com.mysql.jdbc.Driver“）;
			//建立連接
			conn=DriverManager.getConnection（“jdbc:mysql://localhost:3306/SendMail““root““dannyhoo“）;
			PreparedStatement?pstmt=conn.prepareStatement（sql）;
			pstmt.setString（1code）;			
			rs=pstmt.executeQuery（）;
			if（rs.next（））{
				username=rs.getString（“username“）;
			}			
		}catch（ClassNotFoundException?e）{
			e.printStackTrace（）;
		}catch?（SQLException?e）?{
			e.printStackTrace（）;
		}
		return?username;
	}
	
	/**
	?*?將用戶(hù)狀態(tài)設(shè)為可用
	?*?@param?username
	?*/
	public?Boolean?setState（String?username）?{
		Boolean?result=false;
		Connection?conn=null;
		String?sql=“update?t_user?set?state=1?where?username=?“;
		try?{
			//注冊(cè)驅(qū)動(dòng)
			Class.forName（“com.mysql.jdbc.Driver“）;
			//建立連接
			conn=DriverManager.getConnection（“jdbc:mysql://localhost:3306/SendMail““root““dannyhoo“）;
			PreparedStatement?pstmt=conn.prepareStatement（sql）;
			pstmt.setString（1username）;
			int?i=pstmt.executeUpdate（）;
			if（i>0）{
				result=true;
			}
		}catch（ClassNotFoundException?e）{
			e.printStackTrace（）;
		}catch?（SQLException?e）?{
			e.printStackTrace（）;
		}
		return?result;
	}
}

?屬性????????????大小?????日期????時(shí)間???名稱(chēng)
-----------?---------??----------?-----??----
?????目錄???????????0??2015-08-27?15:10??SendMail\
?????文件?????????841??2015-08-27?15:10??SendMail\.classpath
?????文件????????1041??2015-08-27?15:10??SendMail\.project
?????目錄???????????0??2015-08-27?15:10??SendMail\.settings\
?????文件?????????503??2015-08-27?15:10??SendMail\.settings\.jsdtscope
?????文件?????????364??2015-08-27?15:10??SendMail\.settings\org.eclipse.jdt.core.prefs
?????文件?????????476??2015-08-27?15:10??SendMail\.settings\org.eclipse.wst.common.component
?????文件?????????345??2015-08-27?15:10??SendMail\.settings\org.eclipse.wst.common.project.facet.core.xml
?????文件??????????49??2015-08-27?15:10??SendMail\.settings\org.eclipse.wst.jsdt.ui.superType.container
?????文件???????????6??2015-08-27?15:10??SendMail\.settings\org.eclipse.wst.jsdt.ui.superType.name
?????目錄???????????0??2015-08-27?15:10??SendMail\build\
?????目錄???????????0??2015-08-27?17:04??SendMail\build\classes\
?????目錄???????????0??2015-08-27?17:04??SendMail\build\classes\dao\
?????文件????????2903??2015-08-27?17:04??SendMail\build\classes\dao\UserDao.class
?????目錄???????????0??2015-08-27?17:46??SendMail\build\classes\service\
?????文件????????3990??2015-08-27?17:49??SendMail\build\classes\service\UserManager.class
?????目錄???????????0??2015-08-27?17:04??SendMail\build\classes\servlet\
?????文件????????1571??2015-08-27?17:04??SendMail\build\classes\servlet\ActiveServlet.class
?????文件????????1642??2015-08-27?17:04??SendMail\build\classes\servlet\RegisterServlet.class
?????目錄???????????0??2015-08-27?15:35??SendMail\src\
?????目錄???????????0??2015-08-27?15:36??SendMail\src\dao\
?????文件????????2393??2015-08-27?16:21??SendMail\src\dao\UserDao.java
?????目錄???????????0??2015-08-27?15:24??SendMail\src\service\
?????文件????????3186??2015-08-27?17:49??SendMail\src\service\UserManager.java
?????目錄???????????0??2015-08-27?16:05??SendMail\src\servlet\
?????文件?????????887??2015-08-27?16:42??SendMail\src\servlet\ActiveServlet.java
?????文件?????????867??2015-08-27?16:42??SendMail\src\servlet\RegisterServlet.java
?????目錄???????????0??2015-08-27?16:39??SendMail\WebContent\
?????目錄???????????0??2015-08-27?15:10??SendMail\WebContent\meta-INF\
?????文件??????????39??2015-08-27?15:10??SendMail\WebContent\meta-INF\MANIFEST.MF
?????文件?????????634??2015-08-27?15:22??SendMail\WebContent\register.jsp
............此處省略6個(gè)文件信息