关于 highcharts 生成图片的问题
请问,关于highcharts 怎么在本地生成图片？ 不是导出
导出那个功能有的,但,现在要做的是生成本地图片
请问谁知道啊
package com.foxconn.highcharts.demo;
import java.io.IOException;
import java.io.OutputStreamWriter;
import java.io.StringReader;
import javax.servlet.ServletException;
import javax.servlet.ServletOutputStream;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import org.apache.batik.transcoder.Transcoder;
import org.apache.batik.transcoder.TranscoderException;
import org.apache.batik.transcoder.TranscoderInput;
import org.apache.batik.transcoder.TranscoderOutput;
import org.apache.batik.transcoder.image.JPEGTranscoder;
import org.apache.batik.transcoder.image.PNGTranscoder;
//import org.apache.fop.svg.PDFTranscoder;
public class SaveAsImage extends HttpServlet {
/**
*
*/
private static final long serialVersionUID = 1L;
/**
* Constructor of the object.
*/
public SaveAsImage() {
super();
}
/**
* Destruction of the servlet. <br>
*/
public void destroy() {
super.destroy(); // Just puts "destroy" string in log
}
public void doGet(HttpServletRequest request, HttpServletResponse response)
throws ServletException, IOException {
doPost(request, response);
}
public void doPost(HttpServletRequest request, HttpServletResponse response)
throws ServletException, IOException {
/*导成pdf做了很久，但还是没能做出来，因为一直报
* java.lang.NoSuchMethodError: org.apache.avalon.framework.configuration.DefaultConfiguration.<init>(Ljava/lang/String;)V的错误，
* 如果你知道如何解决这个错误，请告诉我一下，在此先谢过了。现在已经可以正确地将图片导成pdf了，程序是没有问题的
* */
request.setCharacterEncoding("utf-8");//设置编码，解决乱码问题
String type = request.getParameter("type");
String svg = request.getParameter("svg");
String filename = request.getParameter("filename");
filename = filename==null?"chart":filename;
ServletOutputStream out = response.getOutputStream();
if (null != type && null != svg) {
svg = svg.replaceAll(":rect", "rect");
String ext = "";
Transcoder t = null;
if (type.equals("image/png")) {
ext = "png";
t = new PNGTranscoder();
} else if (type.equals("image/jpeg")) {
ext = "jpg";
t = new JPEGTranscoder();
} else if (type.equals("application/pdf")) {
ext = "pdf";
t =(Transcoder) new PDFTranscoder();//我将这儿的注释去掉了，因为导成pdf的问题已经解决
} else if(type.equals("image/svg+xml"))
ext = "svg";
response.addHeader("Content-Disposition", "attachment; filename="+ filename + "."+ext);
response.addHeader("Content-Type", type);
if (null != t) {
TranscoderInput input = new TranscoderInput(new StringReader(svg));
TranscoderOutput output = new TranscoderOutput(out);
try {
t.transcode(input, output);
} catch (TranscoderException e) {
out.print("Problem transcoding stream. See the web logs for more details.");
e.printStackTrace();
}
} else if (ext.equals("svg")) {
//out.print(svg);
OutputStreamWriter writer = new OutputStreamWriter(out, "UTF-8");
writer.append(svg);
writer.close();
} else
out.print("Invalid type: " + type);
} else {
response.addHeader("Content-Type", "text/html");
out.println("Usage:\n\tParameter [svg]: The DOM Element to be converted." +
"\n\tParameter [type]: The destination MIME type for the elment to be transcoded.");
}
out.flush();
out.close();
}
/**
* Initialization of the servlet. <br>
*
* @throws ServletException if an error occurs
*/
public void init() throws ServletException {
// Put your code here
}
}
