折腾了一下用HttpClient上传文件，主要是不需要设置“multipart/form-data”,否则会出现“the request was rejected because no multipart boundary was found”
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| PostMethod method = new PostMethod(url);
Part[] part = new Part[params.size()+1];
Set<String> keySet = params.keySet();
int i=0;
for(String key : keySet) {
String value = params.get(key);
if(StringUtil.isNotNull(value)){
part[i] = new StringPart(key, value, "UTF-8");
}else{
part[i] = new StringPart(key, "", "UTF-8");
}
i++;
}
FilePart fp = new FilePart("image", file);
fp.setContentType(MIME.ENC_BINARY);
part[i] = fp;
HttpConnectionManagerParams managerParams = httpClient.getHttpConnectionManager().getParams();
managerParams.setConnectionTimeout(3000000);
managerParams.setSoTimeout(12000000);
int statusCode;
try {
MultipartRequestEntity mrp= new MultipartRequestEntity(part, method.getParams());
method.setRequestEntity(mrp);
statusCode = httpClient.executeMethod(method);
if(statusCode != HttpStatus.SC_OK){
log.error("Method failed code=" + statusCode + ": " + method.getStatusLine());
}else{
InputStream inputStream = method.getResponseBodyAsStream();
BufferedReader br = new BufferedReader(new InputStreamReader(inputStream, "UTF-8"));
String str= "";
while((str = br.readLine()) != null){
response .append(str);
}
}
} catch (HttpException e) {
log.error(e.getMessage(), e);
} catch (IOException e) {
log.error(e.getMessage(), e);
} finally{
method.releaseConnection();
}
|