HttpClient 模仿表单上传文件
package compile5;import java.io.BufferedReader;import java.io.File;import java.io.IOException;import java.io.InputStreamReader;import java.text.SimpleDateFormat;import java.util.Date;import java.util.HashMap;import java.util.Iterator;import java.util.Map;import org.apache.http.HttpEntity;import org.apache.http.HttpResponse;import org.apache.http.client.ClientProtocolException;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.entity.mime.content.StringBody;import org.apache.http.impl.client.DefaultHttpClient;/*** @Description: 模仿表单上传文件 ，将本地文件上传到文件服务器上 * */public class SendFile {public static void main(String[] args) throws ClientProtocolException,IOException { String filepath="D:\\11111.rar"; //创建加密上传的参数 Date dateNow = new Date();SimpleDateFormat sdf = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss");String time = sdf.format(dateNow);StringBuffer key1 = new StringBuffer();key1.append("123456").append("PRIVATEM").append(time);String myCode = MD5.Md5(key1.toString(), 16); //接收文件的地址 String urlStr = "http://img.baidu.com/file/receiveFile.jsp"; //封装需要上传文件的参数 Map<String, String> textMap = new HashMap<String, String>(); textMap.put("origin", "PRIVATE"); textMap.put("time", time ); textMap.put("secure",myCode); HttpClient httpclient = new DefaultHttpClient();//请求处理页面HttpPost httppost = new HttpPost( urlStr );//创建待处理的文件FileBody file = new FileBody(new File(filepath));//对请求的表单域进行填充MultipartEntity reqEntity = new MultipartEntity();reqEntity.addPart("file", file);if(textMap!=null ){Iterator it = textMap.entrySet().iterator();while(it.hasNext() ){ Map.Entry entry = (Map.Entry)it.next(); String key = (String) entry.getKey();String value = (String)entry.getValue();//创建待处理的表单域内容文本StringBody bodyValue = new StringBody(value);reqEntity.addPart(key , bodyValue);}}//设置请求httppost.setEntity(reqEntity);//执行HttpResponse response = httpclient.execute(httppost);HttpEntity httpEntity = response.getEntity();BufferedReader br = new BufferedReader(new InputStreamReader(httpEntity.getContent(), "UTF-8"));StringBuffer backData = new StringBuffer();String line = null;while ((line = br.readLine()) != null) {backData.append(line);}System.out.println(backData.toString() ); }}

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