利用HttpClient以post形式上传文件
/** * created since 2012-4-6 */ package com.yonge.http; import java.io.File; import org.apache.commons.httpclient.HttpClient; import org.apache.commons.httpclient.HttpStatus; import org.apache.commons.httpclient.methods.PostMethod; import org.apache.commons.httpclient.methods.multipart.FilePart; import org.apache.commons.httpclient.methods.multipart.MultipartRequestEntity; import org.apache.commons.httpclient.methods.multipart.Part; /** * @author wb-gaoy * @version $Id: HttpClientTest.java,v 0.1 2012-4-6 下午1:38:53 wb-gaoy Exp $ */ public class HttpClientUploadFileTest { public void uploadFile(File file, String url) { if (!file.exists()) { return; } PostMethod postMethod = new PostMethod(url); try { //FilePart：用来上传文件的类 FilePart fp = new FilePart("filedata", file); Part[] parts = { fp }; //对于MIME类型的请求，httpclient建议全用MulitPartRequestEntity进行包装 MultipartRequestEntity mre = new MultipartRequestEntity(parts, postMethod.getParams()); postMethod.setRequestEntity(mre); HttpClient client = new HttpClient(); client.getHttpConnectionManager().getParams().setConnectionTimeout(50000);// 设置连接时间 int status = client.executeMethod(postMethod); if (status == HttpStatus.SC_OK) { System.out.println(postMethod.getResponseBodyAsString()); } else { System.out.println("fail"); } } catch (Exception e) { e.printStackTrace(); } finally { //释放连接 postMethod.releaseConnection(); } } /** * @param args */ public static void main(String[] args) { HttpClientUploadFileTest test = new HttpClientUploadFileTest(); test.uploadFile(new File("e:/default.css"), "http://ecmng.local.sit.alipay.net/receiveDevZipFile.json?summary=1010100"); } }
import java.io.File; import java.util.ArrayList; import java.util.List; import org.apache.commons.httpclient.HttpClient; import org.apache.commons.httpclient.methods.MultipartPostMethod; import org.apache.commons.httpclient.methods.multipart.FilePart; import org.apache.http.entity.mime.content.ContentBody; import org.json.JSONArray; import org.json.JSONObject; public class test5 { public static void main(String[] args) throws Exception { MultipartPostMethod filePost = new MultipartPostMethod("http://XXX.XXX.XXX.XXX:8088/XXX"); FilePart cbFile = new FilePart("upload", new File("D:/test123.jpg")); cbFile.setContentType("image/*"); filePost.addParameter("cmd_no", "2"); //filePost.addParameter("upload", new File("D:/a.png")); filePost.addPart(cbFile); filePost.addParameter("pagesize","10"); filePost.addParameter("pageno","1"); HttpClient client = new HttpClient(); // 由于要上传的文件可能比较大 , 因此在此设置最大的连接超时时间 //client.getHttpConnectionManager().getParams().setConnectionTimeout(5000); int statusInt = client.executeMethod(filePost); System.out.println(statusInt); } }
模拟端：
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 href="mailto:just_szl@hotmail.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"); } }
服务器：
public void receiveData(HttpServletRequest request, HttpServletResponse response) throws AppException{ PrintWriter out = null; response.setContentType("text/html;charset=UTF-8"); Map map = new HashMap(); FileItemFactory factory = new DiskFileItemFactory(); ServletFileUpload upload = new ServletFileUpload(factory); File directory = null; List<FileItem> items = new ArrayList(); try { items = upload.parseRequest(request); // 得到所有的文件 Iterator<FileItem> 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(); } }