<%@ page contentType="text/html; charset=GBK" %>
<%@ page import="com.javareport.beans.*"%>
<%@ page extends="com.javareport.http.WebReportEngine"%>
<%!
public Report createReport(HttpServletRequest request) throws Exception{
    //圖片類型數組
    int[] chartType = new int[]{
	Chart.CHART_PIE3D,Chart.CHART_STACKBAR3D,
	Chart.CHART_CURVE,Chart.CHART_LINE,
	Chart.CHART_POINT,Chart.CHART_INVERTED_CURVE,
	Chart.CHART_INVERTED_LINE,Chart.CHART_INVERTED_STACKBAR};
	//單元數據的顯示標簽字符串數組
    String[] labels = new String[] {"湖南省","湖北省","廣西壯族自治區","廣東省"};
	//實例化報表對象
    Report report = new Report();
    //在頁眉中添加文本信息內容
    report.addHeaderText("希賽軟考學院各省報名人數情況");
    //在報表的頁眉添加一條橫直線
    report.addHeaderSeparator(1);
    //在頁尾添加一條橫直線
    report.addFooterSeparator(1);
    //在頁尾添加文本信息內容
    report.addFooterText("第{P}頁， 共{N}頁");
	//循環輸出各種類型的圖片
    for (int i = 0; i < chartType.length; i++) {
        try {
        	//實例化一個圖表對象
            Chart chart = new Chart((Number[][])getData(request));
            //設置圖表中的單元數據的顯示的標簽
            chart.setLabels(labels);
            //設置統計圖的類型
            chart.setStyle(chartType[i]);
            //設置統計圖中顯示的時候把具體的數值也顯示出來
            chart.setShowValue(true);
            //在報表中添加文本信息內容
            report.addText("報表中常見的報表統計圖表("+i+")： ");
            //在報表中添加圖表信息內容
            report.addChart(chart);
            //在報表中添加換行符號
            report.addBreak();
            report.addBreak();
            report.addBreak();
        }
        catch (Exception ex) {
            ex.printStackTrace();
        }
    }
    return report;
}

//讀者可根據需要設置數組的值，或從數據庫中取出值放入數組中以動態顯示數據
public Double[][] getData(HttpServletRequest request){
    Double[][] data = new Double[4][4];
    data[0][0] = new Double(200); data[0][1] = new Double(250);
    	data[0][2] = new Double(220); data[0][3] = new Double(280);
    data[1][0] = new Double(500); data[1][1] = new Double(700);
		data[1][2] = new Double(520); data[1][3] = new Double(900);
    data[2][0] = new Double(350); data[2][1] = new Double(400);
		data[2][2] = new Double(380); data[2][3] = new Double(320);
    data[3][0] = new Double(550); data[3][1] = new Double(590);
		data[3][2] = new Double(337); data[3][3] = new Double(340);
    return data;
}

//定制Web報表在頁面首部顯示的工具欄為標準的樣式,增加一個"返回"按鈕,返回到首頁
public String getToolbarScript(HttpServletRequest request){
    return "<a href=\"../index.htm\"><img src=\""+request.getRequestURI()+
	"?op=Resource&name=/resource/back.gif\" border=\"0\" alt=\"返回\"></a>";
}
%>