例子如下:
1 File file = new File(filePath);
2 if(file.exists()){
3 String END = "\r\n";
4 String PREFIX = "--" ;
5 String BOUNDARY = UUID.randomUUID().toString(); //边界标识 随机生成
6 String CONTENT_TYPE = "multipart/form-data"; //内容类型
7
8 InputStream inputStream = null;
9 FileInputStream fileStream = null;
10 DataOutputStream dos = null;
11 HttpURLConnection conn = null;
12 try {
13 URL url = new URL(Constant.URL_SECONDHAN_TAKEPHOTOATHAND);
14 conn = (HttpURLConnection) url.openConnection();
15 /*设置时间*/
16 conn.setReadTimeout(10*1000);
17 conn.setConnectTimeout(10*1000);
18
19 /*允许Input,output,不使用Cache*/
20 conn.setDoInput(true);
21 conn.setDoOutput(true);
22 conn.setUseCaches(false);
23
24 /*设置传送的method=POST*/
25 conn.setRequestMethod("POST");
26 conn.setRequestProperty("Connection", "Keep-Alive");
27 conn.setRequestProperty("Charset", "UTF-8");
28 conn.setRequestProperty("Content-Type", CONTENT_TYPE + ";boundary=" + BOUNDARY);
29
30 /* 设置DataOutputStream */
31 dos = new DataOutputStream(conn.getOutputStream());
32
33 StringBuffer sb = new StringBuffer();
34 sb.append(PREFIX);
35 sb.append(BOUNDARY);
36 sb.append(END);
37 /**
38 * 这里重点注意:
39 * name里面的值为服务器端需要key 只有这个key 才可以得到对应的文件
40 * filename是文件的名字,包含后缀名的 比如:abc.png
41 */
42 sb.append("Content-Disposition: form-data; name=\"UpLoadFile\"; filename=\""+file.getName()+"\""+END);
43 sb.append("Content-Type: application/x-zip-compressed; charset=utf-8"+END);
44 sb.append(END);
45 dos.write(sb.toString().getBytes());
46
47 /*取得文件的FileInputStream*/
48 fileStream = new FileInputStream(file);
49
50 /*设置每次写入1024bytes*/
51 int bufferSize = 1024;
52 byte[] buffer = new byte[bufferSize];
53 int length = -1;
54
55 /*从文件读取数据至缓冲区*/
56 while((length=fileStream.read(buffer))!=-1){
57 dos.write(buffer,0,length);
58 }
59 dos.write(END.getBytes());
60 byte[] end_data = (PREFIX+BOUNDARY+PREFIX+END).getBytes();
61 dos.write(end_data);
62 dos.flush();
63
64 /* 取得Response内容 */
65 InputStream is = conn.getInputStream();
66 int ch;
67 StringBuffer b =new StringBuffer();
68 while( ( ch = is.read() ) != -1 ){
69 b.append( (char)ch );
70 }
71 String result = b.toString();
72
73 } catch (SocketTimeoutException e) {
74 AgUtils.log("", " upload SocketTimeoutException");
75 mHandler.sendEmptyMessage(4);
76 e.printStackTrace();
77 } catch (ConnectTimeoutException e) {
78 AgUtils.log("", " download ConnectTimeoutException");
79 mHandler.sendEmptyMessage(4);
80 e.printStackTrace();
81 } catch (UnknownHostException e) {
82 AgUtils.log("", " download UnknownHostException");
83 mHandler.sendEmptyMessage(4);
84 e.printStackTrace();
85 } catch (MalformedURLException e) {
86 AgUtils.log("", " download MalformedURLException");
87 mHandler.sendEmptyMessage(4);
88 e.printStackTrace();
89 } catch (ProtocolException e) {
90 AgUtils.log("", " ProtocolException");
91 e.printStackTrace();
92 mHandler.sendEmptyMessage(2);
93 } catch (IOException e) {
94 AgUtils.log("", " IOException");
95 mHandler.sendEmptyMessage(0);
96 e.printStackTrace();
97 } finally {
98 XqshService.this.sendBroadcast(new Intent(INTENT_UPLOAD_COMPLETE));
99 try {
100 if (fileStream != null) {
101 fileStream.close();
102 }
103 if (inputStream != null) {
104 inputStream.close();
105 }
106 if (dos != null) {
107 dos.close();
108 }
109
110 if (conn != null) {
111 conn.disconnect();
112 conn = null;
113 }
114 } catch (IOException e) {
115 e.printStackTrace();
116 }
117 }
118 }
posted on 2014-09-11 08:16
Terry Zou 阅读(176)
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Android