Android 自己封装HttpUrlConnection上传图片和字段
2017-05-08 15:22
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工具类:
使用:
调用下面方法:
添加接口回调:
/** * 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; /** * * 上传工具类 * @author spring sky<br> * Email :vipa1888@163.com<br> * QQ: 840950105<br> * 支持上传文件和参数 */ public class UploadUtil { private static UploadUtil uploadUtil; private static final String BOUNDARY = UUID.randomUUID().toString(); // 边界标识 随机生成 private static final String PREFIX = "--"; private static final String LINE_END = "\r\n"; private static final String CONTENT_TYPE = "multipart/form-data"; // 内容类型 private UploadUtil() { } /** * 单例模式获取上传工具类 * @return */ public static UploadUtil getInstance() { if (null == uploadUtil) { uploadUtil = new UploadUtil(); } return uploadUtil; } private static final String TAG = "UploadUtil"; private int readTimeOut = 10 * 1000; // 读取超时 private int connectTimeout = 10 * 1000; // 超时时间 /*** * 请求使用多长时间 */ private static int requestTime = 0; private static final String CHARSET = "utf-8"; // 设置编码 /*** * 上传成功 */ public static final int UPLOAD_SUCCESS_CODE = 1; /** * 文件不存在 */ public static final int UPLOAD_FILE_NOT_EXISTS_CODE = 2; /** * 服务器出错 */ 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上传文件到服务器 * * @param filePath * 需要上传的文件的路径 * @param fileKey * 在网页上<input type=file name=xxx/> xxx就是这里的fileKey * @param RequestURL * 请求的URL */ public void uploadFile(String filePath, String fileKey, String RequestURL, Map<String, String> param) { if (filePath == null) { sendMessage(UPLOAD_FILE_NOT_EXISTS_CODE,"文件不存在"); return; } try { File file = new File(filePath); uploadFile(file, fileKey, RequestURL, param); } catch (Exception e) { sendMessage(UPLOAD_FILE_NOT_EXISTS_CODE,"文件不存在"); e.printStackTrace(); return; } } /** * android上传文件到服务器 * * @param file * 需要上传的文件 * @param fileKey * 在网页上<input type=file name=xxx/> xxx就是这里的fileKey * @param RequestURL * 请求的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,"文件不存在"); return; } Log.i(TAG, "请求的URL=" + RequestURL); Log.i(TAG, "请求的fileName=" + file.getName()); Log.i(TAG, "请求的fileKey=" + fileKey); new Thread(new Runnable() { //开启线程上传文件 @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); // 允许输入流 conn.setDoOutput(true); // 允许输出流 conn.setUseCaches(false); // 不允许使用缓存 conn.setRequestMethod("POST"); // 请求方式 conn.setRequestProperty("Charset", CHARSET); // 设置编码 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"); /** * 当文件不为空,把文件包装并且上传 */ DataOutputStream dos = new DataOutputStream(conn.getOutputStream()); StringBuffer sb = null; String params = ""; /*** * 以下是用于上传参数 */ 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(); /** * 这里重点注意: 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 * filename是文件的名字,包含后缀名的 比如:abc.png */ sb.append(PREFIX).append(BOUNDARY).append(LINE_END); sb.append("Content-Disposition:form-data; name=\"" + fileKey //fileKey上传文件的名字,有时这个需要跟后台确定一下 + "\"; filename=\"" + file.getName() + "\"" + LINE_END); sb.append("Content-Type:image/pjpeg" + LINE_END); // 这里配置的Content-type很重要的 ,用于服务器端辨别文件的类型的 sb.append(LINE_END); params = sb.toString(); sb = null; Log.i(TAG, file.getName()+"=" + params+"##"); dos.write(params.getBytes()); /**上传文件*/ 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()); /** * 获取响应码 200=成功 当响应成功,获取响应的流 */ 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, "上传结果:" + result); return; } else { Log.e(TAG, "request error"); sendMessage(UPLOAD_SERVER_ERROR_CODE,"上传失败:code=" + res); return; } } catch (MalformedURLException e) { sendMessage(UPLOAD_SERVER_ERROR_CODE,"上传失败:error=" + e.getMessage()); e.printStackTrace(); return; } catch (IOException e) { sendMessage(UPLOAD_SERVER_ERROR_CODE,"上传失败:error=" + e.getMessage()); e.printStackTrace(); return; } } /** * 发送上传结果 * @param responseCode * @param responseMessage */ private void sendMessage(int responseCode,String responseMessage) { onUploadProcessListener.onUploadDone(responseCode, responseMessage); } /** * 下面是一个自定义的回调函数,用到回调上传文件是否完成 * * @author shimingzheng * */ public static interface OnUploadProcessListener { /** * 上传响应 * @param responseCode * @param message */ void onUploadDone(int responseCode, String message); /** * 上传中 * @param uploadSize */ void onUploadProcess(int uploadSize); /** * 准备上传 * @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; } /** * 获取上传使用的时间 * @return */ public static int getRequestTime() { return requestTime; } public static interface uploadProcessListener{ } }
使用:
调用下面方法:
private void toUploadFile() { String userid = MyApplication.getInstance().mUser.getUserid(); String auth = MyApplication.getInstance().mUser.getAuth(); String paramData= CodeUtil.voteEncode(TimeUtil.getInstance().getServerTime() + ","+userid+","+auth); //需要传的字段 final Map<String, String> params = new HashMap<String, String>(); params.put("paramData", paramData); File file = new File(path1); //path1 图片的地址 final Map<String, File> files = new HashMap<String, File>(); String fileKey = "avatar"; //上传图片的文件名,有时需要跟后台一致 UploadUtil uploadUtil = UploadUtil.getInstance(); uploadUtil.setOnUploadProcessListener(this); //设置监听器监听上传状态 uploadUtil.uploadFile( path1,fileKey, (Interface.URL + Interface.POST_AVATAR),params); }
添加接口回调:
@Override public void onUploadDone(int responseCode, String message) { String s = CodeUtil.voteDecode(message); LogUtils.e("---------------message:"+s); } @Override public void onUploadProcess(int uploadSize) { } @Override public void initUpload(int fileSize) { }
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