package?com.lyq.service;

import?java.io.IOException;

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

import?org.jfree.chart.servlet.ServletUtilities;

import?com.lyq.util.ChartUtil;


/**
?*?制圖Servlet類，用于獲取圖片
?*?@author?Li?Yong?Qiang
?*/
public?class?ChartServlet?extends?HttpServlet?{
	private?static?final?long?serialVersionUID?=?-3308103803568844498L;

	public?void?doGet（HttpServletRequest?request?HttpServletResponse?response）
			throws?ServletException?IOException?{
		//?獲取生成圖片的名稱
		String?fileName?=?ServletUtilities.saveChartAsJPEG（
					ChartUtil.createChart（）?600?300?request.getSession（））;
		//?獲取圖片的路徑
		String?graphURL?=?request.getContextPath（）?+?“/DisplayChart?filename=“?+?fileName;
		//?將路徑放到request對象中
		request.setAttribute（“graphURL“?graphURL）;
		//?頁面轉發到result.jsp
		request.getRequestDispatcher（“result.jsp“）.forward（request?response）;
	}

}

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

?????文件????????519??2009-08-27?05:19??24.08\.classpath

?????文件????????288??2009-09-03?01:58??24.08\.mymetadata

?????文件???????1411??2009-08-27?05:19??24.08\.project

?????文件????????406??2009-08-27?05:19??24.08\.settings\.jsdtscope

?????文件?????????49??2009-08-27?05:19??24.08\.settings\org.eclipse.wst.jsdt.ui.superType.container

?????文件??????????6??2009-08-27?05:19??24.08\.settings\org.eclipse.wst.jsdt.ui.superType.name

?????文件???????1072??2009-08-27?05:19??24.08\src\com\lyq\service\ChartServlet.java

?????文件???????4313??2009-08-27?05:19??24.08\src\com\lyq\util\ChartUtil.java

?????文件????????285??2009-08-27?05:19??24.08\WebRoot\index.jsp

?????文件?????????39??2009-08-27?05:19??24.08\WebRoot\meta-INF\MANIFEST.MF

?????文件????????322??2009-08-27?05:19??24.08\WebRoot\result.jsp

?????文件???????1849??2009-09-03?01:58??24.08\WebRoot\WEB-INF\classes\com\lyq\service\ChartServlet.class

?????文件???????4138??2009-09-03?01:58??24.08\WebRoot\WEB-INF\classes\com\lyq\util\ChartUtil.class

?????文件?????309293??2009-08-27?05:19??24.08\WebRoot\WEB-INF\lib\jcommon-1.0.16.jar

?????文件????1425744??2009-08-27?05:19??24.08\WebRoot\WEB-INF\lib\jfreechart-1.0.13.jar

?????文件????????910??2009-08-27?05:19??24.08\WebRoot\WEB-INF\web.xml

?????目錄??????????0??2010-09-14?04:10??24.08\WebRoot\WEB-INF\classes\com\lyq\service

?????目錄??????????0??2010-09-14?04:10??24.08\WebRoot\WEB-INF\classes\com\lyq\util

?????目錄??????????0??2010-09-14?04:10??24.08\WebRoot\WEB-INF\classes\com\lyq

?????目錄??????????0??2010-09-14?04:10??24.08\src\com\lyq\service

?????目錄??????????0??2010-09-14?04:10??24.08\src\com\lyq\util

?????目錄??????????0??2010-09-14?04:10??24.08\WebRoot\WEB-INF\classes\com

?????目錄??????????0??2010-09-14?04:10??24.08\src\com\lyq

?????目錄??????????0??2010-09-14?04:10??24.08\WebRoot\WEB-INF\classes

?????目錄??????????0??2010-09-14?04:10??24.08\WebRoot\WEB-INF\lib

?????目錄??????????0??2010-09-14?04:10??24.08\src\com

?????目錄??????????0??2010-09-14?04:10??24.08\WebRoot\meta-INF

?????目錄??????????0??2010-09-14?04:10??24.08\WebRoot\WEB-INF

?????目錄??????????0??2010-09-14?04:10??24.08\.myeclipse

?????目錄??????????0??2010-09-14?04:10??24.08\.settings

............此處省略6個文件信息