htttpost模拟HTML中表单提交中的文件上传功能

import java.io.File;

import java.io.IOException;

import org.apache.http.HttpEntity;

import org.apache.http.HttpResponse;

import org.apache.http.client.HttpClient;

import org.apache.http.client.methods.HttpPost;

import org.apache.http.entity.mime.HttpMultipartMode;

import org.apache.http.entity.mime.MultipartEntityBuilder;

import org.apache.http.entity.mime.content.FileBody;

import org.apache.http.util.CharsetUtils;

import org.apache.http.util.EntityUtils;

import com.alibaba.fastjson.JSONObject;

import com.elong.hotel.proxy.file.entity.model.FileInfo;

public class Test2 {

    public static void main(String[] args) {
System.out.println("start");
Test2 t = new Test2();
String fileurl = "E:\\数据库文档\\BMS新增数据表.docx";
String url = "http://localhost:8080/FileStorage/UploadFile";

t.postDataFile(url, fileurl);

    }

    public void postDataFile(String serverUrl, String fileurl) {
HttpClient client = new DefaultHttpClient();
HttpPost post = new HttpPost(serverUrl);
post.setHeader("accept", "application/json");// 必传
HttpEntity mpEntity=null;
try {

   File file = new File(fileurl);
   FileBody fileBody = new FileBody(file);
   mpEntity=  MultipartEntityBuilder.create().setMode(HttpMultipartMode.BROWSER_COMPATIBLE).addPart("file", fileBody).setCharset(CharsetUtils.get("UTF-8")).build();
   post.setEntity(mpEntity);

   HttpResponse response = client.execute(post);
   if (response.getStatusLine().getStatusCode() == 200) {
String content = EntityUtils.toString(response.getEntity(),
"iso8859-1");
System.out.println(content);
FileInfo fileInfo = JSONObject.parseObject(content, FileInfo.class);

    System.out.println(fileInfo.getId());

   } else {
System.out.println(EntityUtils.toString(response.getEntity()));
   
   
   }
} catch (Exception e) {
   e.printStackTrace();
} finally {
   if (mpEntity != null) {
try {
   mpEntity.consumeContent();
} catch (UnsupportedOperationException e) {
   // TODO Auto-generated catch block
   e.printStackTrace();
} catch (IOException e) {
   // TODO Auto-generated catch block
   e.printStackTrace();
}
   }
   client.getConnectionManager().shutdown();
}

    }

}