【POST multipart/form-data 上传多个文件】POST multipart/form-data 上传多个文件
httpmime-4.3.6
CloseableHttpClient httpClient = HttpClients.createDefault();
URIBuilder uri = new URIBuilder();
uri.setScheme("http").setHost("127.0.0.1").setPort(8000).setPath("/_upload");
uri.setParameter("containOriFile", textMap.get("containOriFile"));
uri.setParameter("ticket", tickets);
JSONObject json = JSONObject.fromObject(sample);
//将java对象转换为json对象
String str = json.toString();
//将json对象转换为字符串
byte[] bytes=str.getBytes("UTF-8");
try {
Logger.info("1****************"+uri);
HttpPost post=new HttpPost(uri.build());
MultipartEntityBuilder entityBuilder=MultipartEntityBuilder.create();
ContentBody contentBody=new ByteArrayBody(bytes, ContentType.APPLICATION_OCTET_STREAM, fileName);
entityBuilder.addPart("metaFile", contentBody);
for (int i = 1;
i < file_list.size();
i++) {
File file=new File(imagePaths+file_list.get(i).name);
FileBody fileBody=new FileBody(file,ContentType.APPLICATION_OCTET_STREAM, file.getName());
entityBuilder.addPart("oriFile", fileBody);
}
HttpEntity entity=entityBuilder.build();
post.setEntity(entity);
Logger.info("2****************"+post);
CloseableHttpResponse response =httpClient.execute(post);
Logger.info("3****************"+response.getStatusLine().getStatusCode());
if(response.getStatusLine().getStatusCode()==200){
System.out.println(EntityUtils.toString(response.getEntity()));
//以下这种方式读取流也可以，只不过用EntityUtils会更方便
/*InputStream is = response.getEntity().getContent();
ByteArrayOutputStream os = new ByteArrayOutputStream();
byte[] buffer = new byte[1024];
int len=-1;
while((len = is.read(buffer))!=-1){
os.write(buffer,0,len);
}
os.close();
is.close();
System.out.println(os.size()+new String(os.toByteArray(),"utf-8"));
*/
}
} catch (URISyntaxException e) {
// TODO Auto-generated catch block
e.printStackTrace();
}
