package?c;

import?c.DBConn;
import?c.UserDao;

import?java.io.IOException;
import?java.io.PrintWriter;
import?java.sql.Connection;
import?java.sql.SQLException;

import?javax.servlet.ServletException;
import?javax.servlet.http.HttpServlet;
import?javax.servlet.http.HttpServletRequest;
import?javax.servlet.http.HttpServletResponse;

public?class?chart?extends?HttpServlet?{

	/**
	?*?Constructor?of?the?object.
	?*/
	public?chart（）?{
		super（）;
	}

	/**
	?*?The?doGet?method?of?the?servlet.?

	?*
	?*?This?method?is?called?when?a?form?has?its?tag?value?method?equals?to?get.
	?*?
	?*?@param?request?the?request?send?by?the?client?to?the?server
	?*?@param?response?the?response?send?by?the?server?to?the?client
	?*?@throws?ServletException?if?an?error?occurred
	?*?@throws?IOException?if?an?error?occurred
	?*/
	public?void?doGet（HttpServletRequest?request?HttpServletResponse?response）
			throws?ServletException?IOException?{

		doPost（requestresponse）;
	}

	/**
	?*?The?doPost?method?of?the?servlet.?

	?*
	?*?This?method?is?called?when?a?form?has?its?tag?value?method?equals?to?post.
	?*?
	?*?@param?request?the?request?send?by?the?client?to?the?server
	?*?@param?response?the?response?send?by?the?server?to?the?client
	?*?@throws?ServletException?if?an?error?occurred
	?*?@throws?IOException?if?an?error?occurred
	?*/
	public?void?doPost（HttpServletRequest?request?HttpServletResponse?response）
	throws?ServletException?IOException?{

String?basePath?=?this.getServletContext（）.getRealPath（“/“）;
		
		UserDao?userDao?=?new?UserDao（）;
		
		Connection?conn?=?null;
		
		conn?=?DBConn.getConn（）;
		
		String?strFlag?=?request.getParameter（“flag“）;
		
		try{
			
			if（“bar“.equals（strFlag））{
				
				userDao.createBar（request?response?basePath+“chart\\chartBar.jpg“）;
				
			}else?if（“pie“.equals（strFlag））{
				
				userDao.createPie（request?response?basePath+“chart\\chartPie.jpg“）;
				
			}
			
		}catch（Exception?e）{
			e.printStackTrace（）;
		}finally{
			if（conn?!=?null）{
				try?{
					conn.close（）;
				}?catch?（SQLException?e）?{
					e.printStackTrace（）;
				}
			}
		}
	}

}

?屬性????????????大小?????日期????時間???名稱
-----------?---------??----------?-----??----
?????目錄???????????0??2012-11-19?20:14??s2\
?????文件?????????693??2012-11-19?20:32??s2\.classpath
?????目錄???????????0??2013-01-11?21:29??s2\.myeclipse\
?????文件?????????279??2012-11-19?20:14??s2\.mymetadata
?????文件????????1219??2012-11-19?08:27??s2\.project
?????目錄???????????0??2012-11-19?20:14??s2\.settings\
?????文件?????????100??2012-11-19?08:27??s2\.settings\org.eclipse.core.resources.prefs
?????目錄???????????0??2012-11-19?20:42??s2\WebRoot\
?????目錄???????????0??2012-11-19?20:14??s2\WebRoot\meta-INF\
?????文件??????????39??2012-11-19?08:27??s2\WebRoot\meta-INF\MANIFEST.MF
?????目錄???????????0??2012-11-19?20:14??s2\WebRoot\WEB-INF\
?????目錄???????????0??2012-11-19?20:46??s2\WebRoot\WEB-INF\classes\
?????目錄???????????0??2012-11-19?20:46??s2\WebRoot\WEB-INF\classes\c\
?????文件?????????916??2012-11-19?20:46??s2\WebRoot\WEB-INF\classes\c\DBConn.class
?????文件????????3411??2012-11-19?20:46??s2\WebRoot\WEB-INF\classes\c\FileServlet.class
?????文件???????12568??2012-11-19?20:46??s2\WebRoot\WEB-INF\classes\c\UserDao.class
?????文件????????1613??2012-11-19?20:46??s2\WebRoot\WEB-INF\classes\c\UserForm.class
?????文件????????3234??2012-11-19?20:46??s2\WebRoot\WEB-INF\classes\c\UserOperServlet.class
?????文件????????1827??2012-11-19?20:46??s2\WebRoot\WEB-INF\classes\c\UserServlet.class
?????文件????????2307??2012-11-19?20:46??s2\WebRoot\WEB-INF\classes\c\chart.class
?????文件????????4200??2012-11-19?20:46??s2\WebRoot\WEB-INF\classes\c\excel.class
?????目錄???????????0??2012-11-19?20:46??s2\WebRoot\WEB-INF\classes\com\
?????文件????????1500??2012-11-19?20:46??s2\WebRoot\WEB-INF\classes\com\Caulcate.class
?????文件????????2811??2012-11-19?20:46??s2\WebRoot\WEB-INF\classes\com\F.class
?????文件????????1831??2012-11-19?20:46??s2\WebRoot\WEB-INF\classes\com\King.class
?????文件????????1717??2012-11-19?20:46??s2\WebRoot\WEB-INF\classes\com\Liu.class
?????文件????????1532??2012-11-19?20:46??s2\WebRoot\WEB-INF\classes\com\LoginServlet.class
?????目錄???????????0??2012-11-19?20:14??s2\WebRoot\WEB-INF\lib\
?????文件??????362283??2012-11-19?10:02??s2\WebRoot\WEB-INF\lib\jcommon-0.9.7.jar
?????文件??????962701??2012-11-19?10:02??s2\WebRoot\WEB-INF\lib\jfreechart-0.9.21.jar
?????文件??????516481??2012-11-19?10:02??s2\WebRoot\WEB-INF\lib\jxl.jar
............此處省略50個文件信息