1 public static void main(String[] args) {
2 String str = uploadFile("C:/Users/RGKY/Desktop/wKgBHVbLtuWAVNZAAABB_J2qzhc553.jpg", "http://localhost:8087/worldapp/fastfds/uploadSingleFile.cf?fieldName=selectFile", "wKgBHVbLtuWAVNZAAABB_J2qzhc553.jpg");
3 System.out.println(str);
4 }
5
6 /**
7 *
8 * @param file
9 * 待上传的文件路径
10 * @param uploadUrl
11 * 上传服务接口路径
12 * @param fileName
13 * 文件名称，服务器获取的文件名称
14 * @return
15 */
16 public static String uploadFile(/* Bitmap src */String file, String uploadUrl, String fileName) {
17 String end = "\r\n";
18 String twoHyphens = "--";
19 String boundary = "******";
20 try {
21 URL url = new URL(uploadUrl);
22 HttpURLConnection httpURLConnection = (HttpURLConnection) url.openConnection();
23 // 设置每次传输的流大小，可以有效防止手机因为内存不足崩溃
24 // 此方法用于在预先不知道内容长度时启用没有进行内部缓冲的 HTTP 请求正文的流。
25 httpURLConnection.setChunkedStreamingMode(128 * 1024);// 128K
26 // 允许输入输出流
27 httpURLConnection.setDoInput(true);
28 httpURLConnection.setDoOutput(true);
29 httpURLConnection.setUseCaches(false);
30 // 使用POST方法
31 httpURLConnection.setRequestMethod("POST");
32 httpURLConnection.setRequestProperty("Connection", "Keep-Alive");
33 httpURLConnection.setRequestProperty("Charset", "UTF-8");
34 httpURLConnection.setRequestProperty("Content-Type", "multipart/form-data;boundary=" + boundary);
35
36 DataOutputStream dos = new DataOutputStream(httpURLConnection.getOutputStream());
37 dos.writeBytes(twoHyphens + boundary + end);
38 // name相当于html标签file的name属性，fileName相当于标签value值
39 dos.writeBytes("Content-Disposition: form-data;name=\"selectFile\";fileName=\"" + fileName + "\"" + end);
40 dos.writeBytes(end);
41
42 // 将要上传的内容写入流中
43 // InputStream srcis = Function.Bitmap2IS(src);
44 InputStream srcis = new FileInputStream(file);
45 byte[] buffer = new byte[8192]; // 8k
46 int count = 0;
47 // 读取文件
48 while ((count = srcis.read(buffer)) != -1) {
49 dos.write(buffer, 0, count);
50 }
51 srcis.close();
52
53 dos.writeBytes(end);
54 dos.writeBytes(twoHyphens + boundary + twoHyphens + end);
55 dos.flush();
56
57 InputStream is = httpURLConnection.getInputStream();
58 InputStreamReader isr = new InputStreamReader(is, "utf-8");
59 BufferedReader br = new BufferedReader(isr);
60 // 上传返回值
61 String sl;
62 String result = "";
63 while ((sl = br.readLine()) != null)
64 result = result + sl;
65 br.close();
66 is.close();
67 return result;
68 } catch (Exception e) {
69 e.printStackTrace();
70 return "网络出错!";
71 }
72 }
