安卓post 提交图片流和字符数据
<?php $target_path = "./upload/";//接收文件目录 $target_path = $target_path . basename( $_FILES['uploadedfile']['name']); if(move_uploaded_file($_FILES['uploadedfile']['tmp_name'], $target_path)) { echo "The file ". basename( $_FILES['uploadedfile']['name']). " has been uploaded"; } else{ echo "There was an error uploading the file, please try again!" . $_FILES['uploadedfile']['error']; } ?>
android
package com.figo.uploadfile; import java.io.BufferedReader; import java.io.DataOutputStream; import java.io.FileInputStream; import java.io.InputStream; import java.io.InputStreamReader; import java.net.HttpURLConnection; import java.net.URL; import android.app.Activity; import android.os.Bundle; import android.view.View; import android.widget.Button; import android.widget.TextView; import android.widget.Toast; public class UploadfileActivity extends Activity { // 要上传的文件路径，理论上可以传输任何文件，实际使用时根据需要处理 private String uploadFile = "/sdcard/testimg.jpg"; private String srcPath = "/sdcard/testimg.jpg"; // 服务器上接收文件的处理页面，这里根据需要换成自己的 private String actionUrl = "http://10.100.1.208/receive_file.php"; private TextView mText1; private TextView mText2; private Button mButton; @Override public void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); setContentView(R.layout.main); mText1 = (TextView) findViewById(R.id.myText2); mText1.setText("文件路径：\n" + uploadFile); mText2 = (TextView) findViewById(R.id.myText3); mText2.setText("上传网址：\n" + actionUrl); /* 设置mButton的onClick事件处理 */ mButton = (Button) findViewById(R.id.myButton); mButton.setOnClickListener(new View.OnClickListener() { @Override public void onClick(View v) { uploadFile(actionUrl); } }); } /* 上传文件至Server，uploadUrl：接收文件的处理页面 */ private void uploadFile(String uploadUrl) { String end = "\r\n"; String twoHyphens = "--"; String boundary = "******"; try { URL url = new URL(uploadUrl); HttpURLConnection httpURLConnection = (HttpURLConnection) url .openConnection(); // 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 // 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。 httpURLConnection.setChunkedStreamingMode(128 * 1024);// 128K // 允许输入输出流 httpURLConnection.setDoInput(true); httpURLConnection.setDoOutput(true); httpURLConnection.setUseCaches(false); // 使用POST方法 httpURLConnection.setRequestMethod("POST"); httpURLConnection.setRequestProperty("Connection", "Keep-Alive"); httpURLConnection.setRequestProperty("Charset", "UTF-8"); httpURLConnection.setRequestProperty("Content-Type", "multipart/form-data;boundary=" + boundary); DataOutputStream dos = new DataOutputStream( httpURLConnection.getOutputStream()); dos.writeBytes(twoHyphens + boundary + end); dos.writeBytes("Content-Disposition: form-data; name=\"uploadedfile\"; filename=\"" + srcPath.substring(srcPath.lastIndexOf("/") + 1) + "\"" + end); dos.writeBytes(end); FileInputStream fis = new FileInputStream(srcPath); byte[] buffer = new byte[8192]; // 8k int count = 0; // 读取文件 while ((count = fis.read(buffer)) != -1) { dos.write(buffer, 0, count); } fis.close(); dos.writeBytes(end); dos.writeBytes(twoHyphens + boundary + twoHyphens + end); dos.flush(); InputStream is = httpURLConnection.getInputStream(); InputStreamReader isr = new InputStreamReader(is, "utf-8"); BufferedReader br = new BufferedReader(isr); String result = br.readLine(); Toast.makeText(this, result, Toast.LENGTH_LONG).show(); dos.close(); is.close(); } catch (Exception e) { e.printStackTrace(); setTitle(e.getMessage()); } } }
参数比较全的
public static String post(String actionUrl, Map<String, String> params, Map<String, File> files) throws IOException { StringBuilder sb2 = new StringBuilder(); String BOUNDARY = java.util.UUID.randomUUID().toString(); String PREFIX = "--" , LINEND = "\r\n"; String MULTIPART_FROM_DATA = "multipart/form-data"; String CHARSET = "UTF-8"; URL uri = new URL(actionUrl); HttpURLConnection conn = (HttpURLConnection) uri.openConnection(); conn.setReadTimeout(5 * 1000); conn.setDoInput(true); conn.setDoOutput(true); conn.setUseCaches(false); conn.setRequestMethod("POST"); conn.setRequestProperty("connection", "keep-alive"); conn.setRequestProperty("Charsert", "UTF-8"); conn.setRequestProperty("Content-Type", MULTIPART_FROM_DATA + ";boundary=" + BOUNDARY); StringBuilder sb = new StringBuilder(); for (Map.Entry<String, String> entry : params.entrySet()) { sb.append(PREFIX); sb.append(BOUNDARY); sb.append(LINEND); sb.append("Content-Disposition: form-data; name=\"" + entry.getKey() + "\"" + LINEND); sb.append("Content-Type: text/plain; charset=" + CHARSET+LINEND); sb.append("Content-Transfer-Encoding: 8bit" + LINEND); sb.append(LINEND); sb.append(entry.getValue()); sb.append(LINEND); } DataOutputStream outStream = new DataOutputStream(conn.getOutputStream()); outStream.write(sb.toString().getBytes()); if(files!=null){ //int i = 0; for (Map.Entry<String, File> file: files.entrySet()) { StringBuilder sb1 = new StringBuilder(); sb1.append(PREFIX); sb1.append(BOUNDARY); sb1.append(LINEND); //sb1.append("Content-Disposition: form-data; name=\"file"+(i++)+"\"; filename=\""+file.getKey()+"\""+LINEND); sb1.append("Content-Disposition: form-data; name=\"userupfile\"; filename=\""+file.getKey()+"\""+LINEND); sb1.append("Content-Type: application/octet-stream; charset="+CHARSET+LINEND); sb1.append(LINEND); outStream.write(sb1.toString().getBytes()); InputStream is = new FileInputStream(file.getValue()); byte[] buffer = new byte[1024]; int len = 0; while ((len = is.read(buffer)) != -1) { outStream.write(buffer, 0, len); } is.close(); outStream.write(LINEND.getBytes()); } } byte[] end_data = (PREFIX + BOUNDARY + PREFIX + LINEND).getBytes(); outStream.write(end_data); outStream.flush(); int res = conn.getResponseCode(); InputStream in = null; if (res == 200) { in = conn.getInputStream(); int ch; while ((ch = in.read()) != -1) { sb2.append((char) ch); } Log.i("CAMERA", sb2.toString()); } return in == null ? null : sb2.toString(); }
