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fusionchart实现ZoomLine 源代码 破解版 可以导出

最近画油量曲线需要用到ZoomLine官网看了好几天,现在整理出来供大家参考使用


zoomline.html源代码

<!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=http://www.mamicode.com/"js/FusionCharts.js"></script>>
zoomLine.xml源代码

<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=http://www.mamicode.com/"300" />>
以上基本实现了图表的显示工作,如果需要导出还需要以下代码

FCExporterFormat.java源代码

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源代码

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= http://www.mamicode.com/exportBean.getMetadata();>
FCExporter.java源代码

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>