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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 = http://www.mamicode.com/(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();     }

 

安卓post 提交图片流和字符数据