httpclient上传带附件的参数

 

public static String getMimeType(String fileUrl) throws java.io.IOException {

FileNameMap fileNameMap = URLConnection.getFileNameMap();

String type = fileNameMap.getContentTypeFor(fileUrl);

 

return type;

}

 

// 上传带附件的参数：

public static String uploadFile(String filePath, String id, int bid) {

File file = new File(

"D:\\workspace\\NewsRobot\\download\\laddyphoto\\37294_236809_702347.jpg");

if (!file.exists()) {

return "文件不存在!";

}

String url = "http://www.chahushequ.com/post.bbscs";

PostMethod filePost = new PostMethod(url);

 

//仅设置User-Agent就行，不用设置Content-Type，设置了Content-Type有可能导致上传不成功

filePost .setRequestHeader("User-Agent", "Mozilla/5.0 (Windows NT 5.1; rv:8.0) Gecko/20100101 Firefox/8.0");

 

// set cookie

if (_cookies != null) {

filePost.setRequestHeader("Cookie", _cookies);

}

 

try {

// FilePart：用来上传文件的类

FilePart fp = new FilePart("headImageFile", file); // Part：类专门用来上传文件，其子类

// ，FilePart：用来上传文件的类

// StringPart:普通的文本参数

System.out.println("---" + fp);

 

fp.setContentType(getMimeType(filePath));

 

// StringPart:普通的文本参数

StringPart idPart = new StringPart("id", "");

StringPart bidPart = new StringPart("bid", String.valueOf(bid));

StringPart action = new StringPart("action", "upfiledo");

 

Part[] parts = { idPart, bidPart, action, fp };

 

// 对于MIME类型的请求，httpclient建议全用MulitPartRequestEntity进行包装

MultipartRequestEntity mre = new MultipartRequestEntity(parts,

filePost.getParams());

 

filePost.setRequestEntity(mre);

 

HttpClient client = new HttpClient();

client.getHttpConnectionManager().getParams().setConnectionTimeout(

50000);// 设置连接时间

int status = client.executeMethod(filePost);

System.out.println(status + "--------------");

if (status != HttpStatus.SC_OK) {

System.out.println(status + "--------------fail----");

} else if (status == HttpStatus.SC_OK) {

String str = "";

str = filePost.getResponseBodyAsString();

System.out.println(filePost.getResponseBodyAsString()

+ "---------服务器返回值---------");

}

 

} catch (Exception e) {

e.printStackTrace();

}

return null;

}