什么网站可以做图赚钱,电子ic网站建设,土豆网网站开发源代码,有机生态农业网站模板在之前一段的项目中#xff0c;使用Java模仿Http Post方式发送参数以及文件#xff0c;单纯的传递参数或者文件可以使用URLConnection进行相应的处理。 但是项目中涉及到既要传递普通参数#xff0c;也要传递多个文件#xff08;不是单纯的传递XML文件#xff09;。在网上…在之前一段的项目中使用Java模仿Http Post方式发送参数以及文件单纯的传递参数或者文件可以使用URLConnection进行相应的处理。 但是项目中涉及到既要传递普通参数也要传递多个文件不是单纯的传递XML文件。在网上寻找之后发现是使用HttClient来进行响应的操作起初尝试多次依然不能传递参数和传递文件后来发现时因为当使用HttpClient时不能使用request.getParameter()对普通参数进行获取而要在服务器端使用Upload来进行操作。 HttpClient4.2 jar下载 http://download.csdn.net/detail/just_szl/4370574 客户端代码 [java] view plaincopy import java.io.ByteArrayOutputStream; import java.io.File; import java.io.IOException; import java.io.InputStream; import org.apache.http.HttpEntity; import org.apache.http.HttpResponse; import org.apache.http.HttpStatus; import org.apache.http.ParseException; import org.apache.http.client.HttpClient; import org.apache.http.client.methods.HttpPost; import org.apache.http.entity.mime.MultipartEntity; import org.apache.http.entity.mime.content.FileBody; import org.apache.http.impl.client.DefaultHttpClient; import org.apache.http.util.EntityUtils; /** * * author a hrefmailto:just_szlhotmail.com Geray/a * version 1.0,2012-6-12 */ public class HttpPostArgumentTest2 { //file1与file2在同一个文件夹下 filepath是该文件夹指定的路径 public void SubmitPost(String url,String filename1,String filename2, String filepath){ HttpClient httpclient new DefaultHttpClient(); try { HttpPost httppost new HttpPost(url); FileBody bin new FileBody(new File(filepath File.separator filename1)); FileBody bin2 new FileBody(new File(filepath File.separator filename2)); StringBody comment new StringBody(filename1); MultipartEntity reqEntity new MultipartEntity(); reqEntity.addPart(file1, bin);//file1为请求后台的File upload;属性 reqEntity.addPart(file2, bin2);//file2为请求后台的File upload;属性 reqEntity.addPart(filename1, comment);//filename1为请求后台的普通参数;属性 httppost.setEntity(reqEntity); HttpResponse response httpclient.execute(httppost); int statusCode response.getStatusLine().getStatusCode(); if(statusCode HttpStatus.SC_OK){ System.out.println(服务器正常响应.....); HttpEntity resEntity response.getEntity(); System.out.println(EntityUtils.toString(resEntity));//httpclient自带的工具类读取返回数据 System.out.println(resEntity.getContent()); EntityUtils.consume(resEntity); } } catch (ParseException e) { // TODO Auto-generated catch block e.printStackTrace(); } catch (IOException e) { // TODO Auto-generated catch block e.printStackTrace(); } finally { try { httpclient.getConnectionManager().shutdown(); } catch (Exception ignore) { } } } /** * param args */ public static void main(String[] args) { // TODO Auto-generated method stub HttpPostArgumentTest2 httpPostArgumentTest2 new HttpPostArgumentTest2(); httpPostArgumentTest2.SubmitPost(http://127.0.0.1:8080/demo/receiveData.do, test.xml,test.zip,D://test); } } 服务端代码 [java] view plaincopy public void receiveData(HttpServletRequest request, HttpServletResponse response) throws AppException{ PrintWriter out null; response.setContentType(text/html;charsetUTF-8); Map map new HashMap(); FileItemFactory factory new DiskFileItemFactory(); ServletFileUpload upload new ServletFileUpload(factory); File directory null; ListFileItem items new ArrayList(); try { items upload.parseRequest(request); // 得到所有的文件 IteratorFileItem it items.iterator(); while (it.hasNext()) { FileItem fItem (FileItem) it.next(); String fName ; Object fValue null; if (fItem.isFormField()) { // 普通文本框的值 fName fItem.getFieldName(); // fValue fItem.getString(); fValue fItem.getString(UTF-8); map.put(fName, fValue); } else { // 获取上传文件的值 fName fItem.getFieldName(); fValue fItem.getInputStream(); map.put(fName, fValue); String name fItem.getName(); if(name ! null !(.equals(name))) { name name.substring(name.lastIndexOf(File.separator) 1); // String stamp StringUtils.getFormattedCurrDateNumberString(); String timestamp_Str TimeUtils.getCurrYearYYYY(); directory new File(d://test); directory.mkdirs(); String filePath (d://test) timestamp_Str File.separator name; map.put(fName FilePath, filePath); InputStream is fItem.getInputStream(); FileOutputStream fos new FileOutputStream(filePath); byte[] buffer new byte[1024]; while (is.read(buffer) 0) { fos.write(buffer, 0, buffer.length); } fos.flush(); fos.close(); map.put(fName FileName, name); } } } } catch (Exception e) { System.out.println(读取http请求属性值出错!); // e.printStackTrace(); logger.error(读取http请求属性值出错); } // 数据处理 try { out response.getWriter(); out.print({success:true, msg:接收成功}); out.close(); } catch (IOException e) { e.printStackTrace(); } } http://blog.csdn.net/Just_szl/article/details/7659347
