httpclient3发送文件流

 1 //前期经过处理，其中list中为表单数据，ins中为文件流
 2 PostMethod post = new PostMethod(url);
 3 post.getParams().setParameter(HttpMethodParams.HTTP_CONTENT_CHARSET, "UTF-8");
 4 
 5 List<Part> parts = new ArrayList<Part>();
 6 
 7 if (list != null) {
 8     int len = list.size();
 9     for (int i = 0; i < len; i++) {
10         parts.add(new StringPart(list.get(i).getName(),list.get(i).getValue()));
11     }
12 }
13 if(ins!=null && ins.size()>0){
14     for (Map.Entry<String, InputStream> entry : ins.entrySet()) {
15         //entry.getKey();文件名 entry.getValue();文件流
16         //将InputStream转到FilePart格式
17         parts.add(new FilePart(entry.getKey(), new ByteArrayPartSource(entry.getKey(), getByte(entry.getValue()))));
18     }
19 }
20 HttpMethodParams params = post.getParams();
21 Part[] partArray = new Part[parts.size()];
22 MultipartRequestEntity mlEntity = new MultipartRequestEntity(parts.toArray(partArray),params);
23 post.setRequestEntity(mlEntity);