Android 自己封裝HttpUrlConnection上傳圖片和欄位

阿新 • • 發佈：2019-01-31

/** * Created by hui on 2017/5/8. */ import android.util.Log; import java.io.DataOutputStream; import java.io.File; import java.io.FileInputStream; import java.io.IOException; import java.io.InputStream; import java.net.HttpURLConnection; import java.net.MalformedURLException; import java.net.URL; import

java.util.Iterator; import java.util.Map; import java.util.UUID; /** * * 上傳工具類 * @author spring sky<br> * Email :[email protected]<br> * QQ: 840950105<br> * 支援上傳檔案和引數 */ public class UploadUtil { private static UploadUtil uploadUtil; private static final String BOUNDARY = UUID.randomUUID().toString(); // 邊界標識隨機生成

private static final String PREFIX = "--"; private static final String LINE_END = "\r\n"; private static final String CONTENT_TYPE = "multipart/form-data"; // 內容型別 private UploadUtil() { } /** * 單例模式獲取上傳工具類 * @return */ public static UploadUtil getInstance() { if

(null == uploadUtil) { uploadUtil = new UploadUtil(); } return uploadUtil; } private static final String TAG = "UploadUtil"; private int readTimeOut = 10 * 1000; // 讀取超時 private int connectTimeout = 10 * 1000; // 超時時間 /*** * 請求使用多長時間 */ private static int requestTime = 0; private static final String CHARSET = "utf-8"; // 設定編碼 /*** * 上傳成功 */ public static final int UPLOAD_SUCCESS_CODE = 1; /** * 檔案不存在 */ public static final int UPLOAD_FILE_NOT_EXISTS_CODE = 2; /** * 伺服器出錯 */ public static final int UPLOAD_SERVER_ERROR_CODE = 3; protected static final int WHAT_TO_UPLOAD = 1; protected static final int WHAT_UPLOAD_DONE = 2; /** * android上傳檔案到伺服器 * * @param filePath * 需要上傳的檔案的路徑 * @param fileKey * 在網頁上<input type=file name=xxx/> xxx就是這裡的fileKey * @param RequestURL * 請求的URL */ public void uploadFile(String filePath, String fileKey, String RequestURL, Map<String, String> param) { if (filePath == null) { sendMessage(UPLOAD_FILE_NOT_EXISTS_CODE,"檔案不存在"); return; } try { File file = new File(filePath); uploadFile(file, fileKey, RequestURL, param); } catch (Exception e) { sendMessage(UPLOAD_FILE_NOT_EXISTS_CODE,"檔案不存在"); e.printStackTrace(); return; } } /** * android上傳檔案到伺服器 * * @param file * 需要上傳的檔案 * @param fileKey * 在網頁上<input type=file name=xxx/> xxx就是這裡的fileKey * @param RequestURL * 請求的URL */ public void uploadFile(final File file, final String fileKey, final String RequestURL, final Map<String, String> param) { if (file == null || (!file.exists())) { sendMessage(UPLOAD_FILE_NOT_EXISTS_CODE,"檔案不存在"); return; } Log.i(TAG, "請求的URL=" + RequestURL); Log.i(TAG, "請求的fileName=" + file.getName()); Log.i(TAG, "請求的fileKey=" + fileKey); new Thread(new Runnable() { //開啟執行緒上傳檔案 @Override public void run() { toUploadFile(file, fileKey, RequestURL, param); } }).start(); } private void toUploadFile(File file, String fileKey, String RequestURL, Map<String, String> param) { String result = null; requestTime= 0; long requestTime = System.currentTimeMillis(); long responseTime = 0; try { URL url = new URL(RequestURL); HttpURLConnection conn = (HttpURLConnection) url.openConnection(); conn.setReadTimeout(readTimeOut); conn.setConnectTimeout(connectTimeout); conn.setDoInput(true); // 允許輸入流 conn.setDoOutput(true); // 允許輸出流 conn.setUseCaches(false); // 不允許使用快取 conn.setRequestMethod("POST"); // 請求方式 conn.setRequestProperty("Charset", CHARSET); // 設定編碼 conn.setRequestProperty("connection", "keep-alive"); conn.setRequestProperty("user-agent", "Mozilla/4.0 (compatible; MSIE 6.0; Windows NT 5.1; SV1)"); conn.setRequestProperty("Content-Type", CONTENT_TYPE + ";boundary=" + BOUNDARY); // conn.setRequestProperty("Content-Type", "application/x-www-form-urlencoded"); /** * 當檔案不為空，把檔案包裝並且上傳 */ DataOutputStream dos = new DataOutputStream(conn.getOutputStream()); StringBuffer sb = null; String params = ""; /*** * 以下是用於上傳引數 */ if (param != null && param.size() > 0) { Iterator<String> it = param.keySet().iterator(); while (it.hasNext()) { sb = null; sb = new StringBuffer(); String key = it.next(); String value = param.get(key); sb.append(PREFIX).append(BOUNDARY).append(LINE_END); sb.append("Content-Disposition: form-data; name=\"").append(key).append("\"").append(LINE_END).append(LINE_END); sb.append(value).append(LINE_END); params = sb.toString(); Log.i(TAG, key+"="+params+"##"); dos.write(params.getBytes()); // dos.flush(); } } sb = null; params = null; sb = new StringBuffer(); /** * 這裡重點注意： name裡面的值為伺服器端需要key 只有這個key 才可以得到對應的檔案 * filename是檔案的名字，包含字尾名的比如:abc.png */ sb.append(PREFIX).append(BOUNDARY).append(LINE_END); sb.append("Content-Disposition:form-data; name=\"" + fileKey //fileKey上傳檔案的名字，有時這個需要跟後臺確定一下 + "\"; filename=\"" + file.getName() + "\"" + LINE_END); sb.append("Content-Type:image/pjpeg" + LINE_END); // 這裡配置的Content-type很重要的，用於伺服器端辨別檔案的型別的 sb.append(LINE_END); params = sb.toString(); sb = null; Log.i(TAG, file.getName()+"=" + params+"##"); dos.write(params.getBytes()); /**上傳檔案*/ InputStream is = new FileInputStream(file); onUploadProcessListener.initUpload((int)file.length()); byte[] bytes = new byte[1024]; int len = 0; int curLen = 0; while ((len = is.read(bytes)) != -1) { curLen += len; dos.write(bytes, 0, len); onUploadProcessListener.onUploadProcess(curLen); } is.close(); dos.write(LINE_END.getBytes()); byte[] end_data = (PREFIX + BOUNDARY + PREFIX + LINE_END).getBytes(); dos.write(end_data); dos.flush(); // // dos.write(tempOutputStream.toByteArray()); /** * 獲取響應碼 200=成功當響應成功，獲取響應的流 */ int res = conn.getResponseCode(); responseTime = System.currentTimeMillis(); this.requestTime = (int) ((responseTime-requestTime)/1000); Log.e(TAG, "response code:" + res); if (res == 200) { Log.e(TAG, "request success"); InputStream input = conn.getInputStream(); StringBuffer sb1 = new StringBuffer(); int ss; while ((ss = input.read()) != -1) { sb1.append((char) ss); } result = sb1.toString(); Log.e(TAG, "result : " + result); sendMessage(UPLOAD_SUCCESS_CODE, "上傳結果：" + result); return; } else { Log.e(TAG, "request error"); sendMessage(UPLOAD_SERVER_ERROR_CODE,"上傳失敗：code=" + res); return; } } catch (MalformedURLException e) { sendMessage(UPLOAD_SERVER_ERROR_CODE,"上傳失敗：error=" + e.getMessage()); e.printStackTrace(); return; } catch (IOException e) { sendMessage(UPLOAD_SERVER_ERROR_CODE,"上傳失敗：error=" + e.getMessage()); e.printStackTrace(); return; } } /** * 傳送上傳結果 * @param responseCode * @param responseMessage */ private void sendMessage(int responseCode,String responseMessage) { onUploadProcessListener.onUploadDone(responseCode, responseMessage); } /** * 下面是一個自定義的回撥函式，用到回撥上傳檔案是否完成 * * @author shimingzheng * */ public static interface OnUploadProcessListener { /** * 上傳響應 * @param responseCode * @param message */ void onUploadDone(int responseCode, String message); /** * 上傳中 * @param uploadSize */ void onUploadProcess(int uploadSize); /** * 準備上傳 * @param fileSize */ void initUpload(int fileSize); } private OnUploadProcessListener onUploadProcessListener; public void setOnUploadProcessListener( OnUploadProcessListener onUploadProcessListener) { this.onUploadProcessListener = onUploadProcessListener; } public int getReadTimeOut() { return readTimeOut; } public void setReadTimeOut(int readTimeOut) { this.readTimeOut = readTimeOut; } public int getConnectTimeout() { return connectTimeout; } public void setConnectTimeout(int connectTimeout) { this.connectTimeout = connectTimeout; } /** * 獲取上傳使用的時間 * @return */ public static int getRequestTime() { return requestTime; } public static interface uploadProcessListener{ } }

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