java 發(fā)送文件（Http Post），帶其他參數(shù)

昵稱20874412 2015-05-03

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除了發(fā)送的文件主體之外，還能附加一些其他參數(shù)，例如本例中xml文件是主體，然后另外加了一個dataFormat參數(shù)，值為hk，其他參數(shù)以此類推。

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import java.io.DataOutputStream;  
import java.io.File;  
import java.io.FileInputStream;  
import java.net.HttpURLConnection;  
import java.net.URL;  
  
public class SendXML_HK {  
    public static void main(String[] args){  
        try{  
            String boundary = "Boundary-b1ed-4060-99b9-fca7ff59c113"; //Could be any string  
            String Enter = "\r\n";  
              
            File xml = new File("C:\\dog.xml");  
            FileInputStream fis = new FileInputStream(xml);  
              
            URL url = new URL("http://localhost/fsly_service/api/hk/receiveXMLResult");  
            HttpURLConnection conn = (HttpURLConnection)url.openConnection();  
            conn.setDoOutput(true);  
            conn.setDoInput(true);  
            conn.setRequestMethod("POST");  
            conn.setUseCaches(false);  
            conn.setInstanceFollowRedirects(true);  
            conn.setRequestProperty("Content-Type","multipart/form-data;boundary=" + boundary);   
              
            conn.connect();  
              
            DataOutputStream dos = new DataOutputStream(conn.getOutputStream());  
            
          //part 1  
            String part1 =  "--" + boundary + Enter  
                    + "Content-Type: application/octet-stream" + Enter  
                    + "Content-Disposition: form-data; filename=\""+xml.getName()+"\"; name=\"file\"" + Enter + Enter;  
          //part 2  
            String part2 = Enter  
                    + "--" + boundary + Enter  
                    + "Content-Type: text/plain" + Enter  
                    + "Content-Disposition: form-data; name=\"dataFormat\"" + Enter + Enter  
                    + "hk" + Enter  
                    + "--" + boundary + "--";  
              
            byte[] xmlBytes = new byte[fis.available()];  
            fis.read(xmlBytes);  
              
            dos.writeBytes(part1);  
            dos.write(xmlBytes);  
            dos.writeBytes(part2);  
              
            dos.flush();  
            dos.close();  
            fis.close();  
              
            System.out.println("status code: "+conn.getResponseCode());  
              
            conn.disconnect();  
              
        }catch(Exception e){  
            e.printStackTrace();  
        }  
          
    }  
}  