批量上传文件

package test;

import java.io.BufferedReader;

import java.io.DataOutputStream;

import java.io.IOException;

import java.io.InputStream;

import java.io.InputStreamReader;

import java.io.RandomAccessFile;

import java.net.HttpURLConnection;

import java.net.URL;

public class Test {

public static void main(String[] args) throws Exception {
String pathString1 = "D:/test/test1.png";
String pathString2 = "D:/test/test2.png";

String acceptUrl= "http://192.168.1.108:8080/chenei/app/uploadFiles.do";

RandomAccessFile raf1 = new RandomAccessFile(pathString1, "r");

        raf1.seek(0);

        

        RandomAccessFile raf2 = new RandomAccessFile(pathString2, "r");

        raf2.seek(0);

        

        byte[] buffer1 = new byte[1024*1024];//128k

        byte[] buffer2 = new byte[1024*1024];//128k

        

        raf1.read(buffer1);

        raf2.read(buffer2);

        

        uploadFile(acceptUrl,buffer1, buffer2);
}

private static void uploadFile(String acceptUrl, byte[] data1, byte[] data2) {
String end = "\r\n";

        String twoHyphens = "--";

        String boundary = "******";

        try{

            URL url = new URL(acceptUrl);

            HttpURLConnection httpURLConnection = (HttpURLConnection)url.openConnection();

            

            httpURLConnection.setRequestProperty("sid", "03d47cd0cff845f1ae1bc3b27b298432");

            httpURLConnection.setRequestProperty("type", "imgLicense");

            

            // 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);// 128*1024 是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);//application/octet-stream   multipart/form-data

            DataOutputStream dos  = new DataOutputStream(httpURLConnection.getOutputStream());

            

            pushStream(data1, end, twoHyphens, boundary, dos);

            pushStream(data2, end, twoHyphens, boundary, dos);

            

    dos.writeBytes(twoHyphens + boundary + twoHyphens + end);

    dos.flush();

            

            if(httpURLConnection.getResponseCode() == 200 ){

                InputStream is = httpURLConnection.getInputStream();

                BufferedReader br = new BufferedReader(new InputStreamReader(is, "UTF-8"));

                String result = br.readLine();

                System.out.println(result);

                is.close();

            }

            

            dos.close();

        } catch (Exception e)

        {

            e.printStackTrace();

            System.out.println("MediaActivity uploadFil Exception:"+e.getMessage());

        }
}

private static void pushStream(byte[] data, String end, String twoHyphens, String boundary,
DataOutputStream dos) throws IOException {
dos.writeBytes(twoHyphens + boundary + end);
dos.writeBytes("Content-Disposition: form-data; name=\"file\"; filename=\""
+"myfilename.jpg"
+"\""
+end);
dos.writeBytes(end);

dos.write(data,0,data.length);

dos.writeBytes(end);
}

}