fusionchart实现ZoomLine 源码破解版能够导出

2022-07-12 23:05:17

近期画油量曲线须要用到ZoomLine官网看了好几天。如今整理出来供大家參考使用

zoomline.html源码

<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">

<html>

<head>

<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />

<title>FusionCharts Free Documentation</title>

<!-- 脚本区域 start -->

<script type="text/javascript" src="js/FusionCharts.js"></script>

<script type="text/javascript" src="js/FusionChartsExportComponent.js"></script>

<!-- 脚本区域 end -->

<script type="text/javascript">

	//导出图片调用的方法

	function startExport(){

	     var chart = getChartFromId("myFusionExport");   //生成的FusionCharts图表本身的标识

	     if (chart.hasRendered()){

             chart.exportChart();

	     }else{

	         alert("Please wait for the chart to finish rendering, before you can invoke exporting");

	     }

	}

</script>

</head>

<table width="98%" border="0" cellspacing="0" cellpadding="3" align="center">

  <tr>

     <td valign="top" class="text" align="center">

        <div id="myFusion" align="center">

           FusionCharts.

        </div>

        <script type="text/javascript">

		   var chart = new FusionCharts("charts/ZoomLine.swf", "myFusionExport", "790", "450");

		   chart.setDataURL("data/zoomLine.xml");

		   chart.render("myFusion");

		</script>

	 </td>

  </tr>

  <input type='button' value='导出FusionCharts图片' onClick="startExport();" />

</table>

</html>

zoomLine.xml源码

<chart

       palette="1"

       showLabels="0"

       showBorder="1"

       chartLeftMargin="10"

       chartRightMargin="5"

       chartTopMargin="15"

       chartBottomMargin="15"

       exportEnabled="1"

       exportAtClient="0"

       exportHandler="FCExporter"

       showExportDialog="1"

       animation="0"

       exportFileName="fusioncharts"

       exportDialogMessage="正在导出。请稍候..."

       rotateLabels="0"

       DIVLINES="Blur"

       DATATOOLTIP="0x004E98"

       showValues="0"

       allowPinMode="1"

       showVDivLines="1"

       drawToolbarButtons="1"

       lineThickness="1"

       oolBarBtnHPadding="0"

       mouseCursorColor="#FF0000"

       toolTipBarColor="FF0000"

       pinPaneBgColor="#FFFFFF"

       lineColor="#0000FF"

       divLineColor="#FF0000"

       background="#0000FF"

       bgColor="#FFFFFF"

       scrollColor="#FFFFFF"

       canvasBorderColor="#FF0000"

       toolbarButtonColor="FFFFFF"

       btnZoomOutTitle=" "

       zoomOutMenuItemLabel=" "

       btnResetChartTitle="缩小"

       btnSwitchtoZoomModeTitle="切换Pin模式"

       btnSwitchToPinModeTitle="切换Zoom模式"

       showToolBarButtonTooltext="0"

       toolbarButtonFontColor="000000"

    >

	<categories>

		<category name="02-03 07:00:05" />

		<category name="02-03 06:59:35" />

		<category name="02-03 06:59:05" />

		<category name="02-03 06:58:35" />

		<category name="02-03 06:58:04" />

		<category name="02-03 06:57:34" />

		<category name="02-03 06:57:04" />

		<category name="02-03 06:56:34" />

		<category name="02-03 06:56:04" />

		<category name="02-03 06:55:33" />

	</categories>

	<dataset>

		<set value="300" />

		<set value="349" />

		<set value="627" />

		<set value="445" />

		<set value="623" />

		<set value="575" />

		<set value="567" />

		<set value="576" />

		<set value="745" />

		<set value="409" />

	</dataset>

</chart>

以上基本实现了图表的显示工作，假设须要导出还须要下面代码

FCExporterFormat.java源码

package com.fusioncharts.exporter.resources;

import javax.servlet.http.HttpServletResponse;

import com.fusioncharts.exporter.beans.ExportBean;

public abstract class FCExporterFormat {

	abstract public Object exportProcessor(ExportBean exportBean);

	abstract public String exportOutput(Object exportObj,

			HttpServletResponse response);

}

FCExporterIMG.java源码

package com.fusioncharts.exporter.resources;

import java.awt.image.BufferedImage;

import java.io.IOException;

import java.io.OutputStream;

import java.io.PrintWriter;

import javax.servlet.http.HttpServletResponse;

import com.fusioncharts.exporter.ErrorHandler;

import com.fusioncharts.exporter.FusionChartsExportHelper;

import com.fusioncharts.exporter.beans.ChartMetadata;

import com.fusioncharts.exporter.beans.ExportBean;

import com.fusioncharts.exporter.encoders.BasicEncoder;

import com.fusioncharts.exporter.encoders.JPEGEncoder;

import com.fusioncharts.exporter.generators.ImageGenerator;

public class FCExporterIMG extends FCExporterFormat {

	private ExportBean exportBean = null;

	public String exportOutput(Object exportObj, HttpServletResponse response) {

		String action = (String)exportBean.getExportParameterValue("exportaction");

		String exportFormat = (String)exportBean.getExportParameterValue("exportformat");

		String exportTargetWindow = (String)exportBean.getExportParameterValue("exporttargetwindow");

		String fileNameWithoutExt = (String)exportBean.getExportParameterValue("exportfilename");

		String extension = FusionChartsExportHelper.getExtensionFor(exportFormat.toLowerCase());;

		String fileName = fileNameWithoutExt+"."+ extension;

		StringBuffer err_warn_Codes = new StringBuffer();

		BufferedImage chartImage = (BufferedImage)exportObj;

		boolean isHTML = false;

		if(action.equals("download"))

			isHTML=true;

		String noticeMessage = "";

		String meta_values= exportBean.getMetadataAsQueryString(null,false,isHTML);

		if(action.equals("download")){

			try {

				response.setContentType(FusionChartsExportHelper.getMimeTypeFor(exportFormat.toLowerCase()));

				OutputStream os = response.getOutputStream();

				if(exportTargetWindow.equalsIgnoreCase("_self")){

					response.addHeader("Content-Disposition", "attachment; filename=\""+fileName+"\"");

					//response.addHeader("Content-length",""+ios.length());

				} else {

					response.addHeader("Content-Disposition", "inline; filename=\""+fileName+"\"");

				}

				if( exportFormat.toLowerCase().equalsIgnoreCase("jpg") || exportFormat.toLowerCase().equalsIgnoreCase("jpeg")){

					JPEGEncoder jpegEncoder = new JPEGEncoder();

					try {

						jpegEncoder.encode(chartImage,os);

						os.flush();

					}catch(Throwable e){

						//Unable to encode the buffered image

						System.out.println("Unable to (JPEG) encode the buffered image");

						err_warn_Codes.append("E516,");

						//os.flush();

						// Note forward will not work in this case, as the output stream has already been opened

						// Hence we have to output the error directly.

						meta_values =exportBean.getMetadataAsQueryString(null,true,isHTML);

						// Reset the response to set new content type and use out instead of outputstream

						response.reset();

						response.setContentType("text/html");

						PrintWriter out = response.getWriter();

						out.print(meta_values+noticeMessage+ErrorHandler.buildResponse(err_warn_Codes.toString(),isHTML));

						return null;

					}

					chartImage=null;

				} else {

					BasicEncoder basicEncoder = new BasicEncoder();

					try {

						basicEncoder.encode(chartImage,os,1F,exportFormat.toLowerCase());

						os.flush();

					}catch(Throwable e){

						System.out.println("Unable to encode the buffered image");

						err_warn_Codes.append("E516,");

						//os.flush();

						// Note forward will not work in this case, as the output stream has already been opened

						// Hence we have to output the error directly.

						meta_values =exportBean.getMetadataAsQueryString(null,true,isHTML);

						// Reset the response to set new content type and use out instead of outputstream

						response.reset();

						response.setContentType("text/html");

						PrintWriter out = response.getWriter();

						out.print(meta_values+noticeMessage+ErrorHandler.buildResponse(err_warn_Codes.toString(),isHTML));

						return null;

					}

					chartImage=null;

				}

			} catch (IOException e) {

				e.printStackTrace();

			}

		}

		if(err_warn_Codes.indexOf("E") != -1) {

			meta_values =exportBean.getMetadataAsQueryString(null,true,isHTML);

			PrintWriter out;

			try {

				out = response.getWriter();

				out.print(meta_values+noticeMessage+"&statusCode=1&statusMessage=successful");

			} catch (IOException e) {

				e.printStackTrace();

			}

		}

		return null;

	}

	public Object exportProcessor(ExportBean pExportBean) {

		exportBean = pExportBean;

		String stream = (String)exportBean.getStream();

		ChartMetadata metadata= exportBean.getMetadata();

		BufferedImage chartImage = ImageGenerator.getChartImage(stream,metadata);

		return chartImage;

	}

}

FCExporter.java源码

package com.fusioncharts.exporter.servlet;

import java.io.IOException;

import java.io.PrintWriter;

import javax.servlet.ServletConfig;

import javax.servlet.ServletContext;

import javax.servlet.ServletException;

import javax.servlet.http.HttpServlet;

import javax.servlet.http.HttpServletRequest;

import javax.servlet.http.HttpServletResponse;

import com.fusioncharts.exporter.ErrorHandler;

import com.fusioncharts.exporter.FusionChartsExportHelper;

import com.fusioncharts.exporter.beans.ExportBean;

import com.fusioncharts.exporter.resources.FCExporterFormat;

public class FCExporter extends HttpServlet {

    public FCExporter() {

        super();

    }

	public void init(ServletConfig config) throws ServletException {

		super.init(config);

	}

	public void destroy() {

		super.destroy();

	}

	protected void doGet(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {

		doPost(request,response);

	}

	protected void doPost(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {

		ServletContext sc =  getServletContext();

		String WEB_ROOT_PATH = sc.getRealPath("/");

		ExportBean localExportBean = FusionChartsExportHelper.parseExportRequestStream(request);

		String exportFormat = (String)localExportBean.getExportParameterValue("exportformat");

		String exportTargetWindow = (String)localExportBean.getExportParameterValue("exporttargetwindow");

		StringBuffer err_warn_Codes = new StringBuffer();

		if (localExportBean.getMetadata().getWidth() == -1 ||

		    localExportBean.getMetadata().getHeight() == -1 ||

		    localExportBean.getMetadata().getWidth() == 0 ||

		    localExportBean.getMetadata().getHeight() == 0 ) {

			//If Width/Height parameter is not sent, the ChartMetadata will have width/height as -1

			//Raise Error E101 - Width/Height not found

			err_warn_Codes.append("E101,");

		}

		if (localExportBean.getMetadata().getBgColor() == null) {

			//Background color not available

			err_warn_Codes.append("W513,");

		}

		if (localExportBean.getStream() == null  ) {

			//If image data not available

			//Raise Error E100

			err_warn_Codes.append("E100,");

		}

		String exportAction = (String)localExportBean.getExportParameterValue("exportaction");

		boolean isHTML = false;

		if(exportAction.equals("download"))

			isHTML=true;

		if(!exportAction.equals("download")) {

			String fileNameWithoutExt = (String)localExportBean.getExportParameterValue("exportfilename");

			String extension = FusionChartsExportHelper.getExtensionFor(exportFormat.toLowerCase());;

			String fileName = fileNameWithoutExt+"."+ extension;

			err_warn_Codes.append(ErrorHandler.checkServerSaveStatus(WEB_ROOT_PATH,fileName));

		}

		String pathToWebAppRoot = getServletContext().getRealPath("/");

		localExportBean.addExportParameter("webapproot", pathToWebAppRoot);

		String meta_values= localExportBean.getMetadataAsQueryString(null,true,isHTML);

		if(err_warn_Codes.indexOf("E") != -1) {

			// There are errors - forward to error page

			writeError(response,""+isHTML,err_warn_Codes.toString(),meta_values,exportTargetWindow);

		} else {

			// get the exporter for this format

			//String path = FusionChartsExportHelper.getExporterFilePath(exportFormat).replace(" ","");

			// gives with .jsp extension, let us remove the extension - this is a work-around until next release, where Servlets will also be supported

			//int indexOfDot = path.lastIndexOf(".");

			//String exporterClassName = path.substring(0, indexOfDot);

			try {

				//Class exporterClass = Class.forName(exporterClassName);

				Class exporterClass = Class.forName("com.fusioncharts.exporter.resources.FCExporterIMG");

				FCExporterFormat fcExporter = (FCExporterFormat)exporterClass.newInstance();

				Object exportObject = fcExporter.exportProcessor(localExportBean);

				String status= fcExporter.exportOutput(exportObject, response);

			} catch (ClassNotFoundException e) {

				err_warn_Codes.append("E404");

				writeError(response,""+isHTML,err_warn_Codes.toString(),meta_values,exportTargetWindow);

			} catch (InstantiationException e) {

				err_warn_Codes.append("E404");

				writeError(response,""+isHTML,err_warn_Codes.toString(),meta_values,exportTargetWindow);

			} catch (IllegalAccessException e) {

				err_warn_Codes.append("E404");

				writeError(response,""+isHTML,err_warn_Codes.toString(),meta_values,exportTargetWindow);

			}

		}

	}

	private void writeError(HttpServletResponse response, String isHTML, String errorCodes, String otherMessages, String exportTargetWindow) {

		if(isHTML==null){

			isHTML = "true";

		}

		if(otherMessages==null){

			otherMessages="";

		}

		if(errorCodes==null){

			errorCodes="";

		}

		response.setContentType("text/html");

		if(exportTargetWindow.equalsIgnoreCase("_self")){

			response.addHeader("Content-Disposition", "attachment;");

		} else {

			response.addHeader("Content-Disposition", "inline;");

		}

		PrintWriter out;

		try {

			out = response.getWriter();

			out.print(ErrorHandler.buildResponse(errorCodes,new Boolean(isHTML).booleanValue())) ;

			out.print(otherMessages);

		} catch (IOException e) {

		}

	}

}

web.xml配置

<?xml version="1.0" encoding="UTF-8"?

>

<web-app version="2.4"

    xmlns="http://java.sun.com/xml/ns/j2ee"

    xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"

    xsi:schemaLocation="http://java.sun.com/xml/ns/j2ee

    http://java.sun.com/xml/ns/j2ee/web-app_2_4.xsd">

    <servlet>

        <display-name>FCExporter</display-name>

        <servlet-name>FCExporter</servlet-name>

        <servlet-class>com.fusioncharts.exporter.servlet.FCExporter</servlet-class>

    </servlet>

    <servlet-mapping>

        <servlet-name>FCExporter</servlet-name>

        <url-pattern>/FCExporter</url-pattern>

    </servlet-mapping>

    <welcome-file-list>

       <welcome-file>zoomline.html</welcome-file>

    </welcome-file-list>

</web-app>

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