file转换 和 设置contentType

src/main/java/com/egolm/common/FileUtil.java

@@ -13,6 +13,7 @@ import java.io.IOException;
 import java.io.InputStream;
 import java.io.ObjectInputStream;
 import java.io.ObjectOutputStream;
+import java.io.OutputStream;
 import java.io.OutputStreamWriter;
 import java.io.UnsupportedEncodingException;
 import java.io.Writer;
@@ -546,4 +547,30 @@ public class FileUtil {
 		return !new File(jspname).exists();
 	}
 	
+	
+	/**
+	 *  
+	 * @Title: inputStreamToFile   
+	 * @Description: TODO(这里用一句话描述这个方法的作用)   
+	 * @param: @param ins
+	 * @param: @param file      
+	 * @return: void      
+	 * @throws
+	 */
+	public static void inputStreamToFile(InputStream ins,File file) {
+		  try {
+		   OutputStream os = new FileOutputStream(file);
+		   int bytesRead = 0;
+		   byte[] buffer = new byte[8192];
+		   while ((bytesRead = ins.read(buffer, 0, 8192)) != -1) {
+		    os.write(buffer, 0, bytesRead);
+		   }
+		   os.close();
+		   ins.close();
+		  } catch (Exception e) {
+		   e.printStackTrace();
+		  }
+	}
+
+	
 }
\ No newline at end of file

src/main/java/com/egolm/common/HttpUtil.java

@@ -219,7 +219,7 @@ public class HttpUtil {
 	}
 	
 	
-	public static String post(String requestUrl, Map<String, Object> parameters, Map<String, String> headers, Map<String, File> attachments) {
+	public static String post(String requestUrl, Map<String, Object> parameters, Map<String, String> headers, Map<String, File> attachments,String contentType) {
 		HttpURLConnection connection = null;
 		try {
 			Data data = new Data();
@@ -233,7 +233,6 @@ public class HttpUtil {
 					ParamBuffer.append(parameters.get(key) + "\r\n");
 				}
 			}
-			//ParamBuffer.append("--" + BOUNDARY + "\r\nContent-Disposition: form-data; name=\"----------------------------------\"\r\n\r\n-------------------------\r\n");
 			String ParamBufferString = ParamBuffer.toString();
 			data.add(ParamBufferString.getBytes()); 
 			if(attachments != null) {
@@ -242,7 +241,7 @@ public class HttpUtil {
 					File file = attachments.get(name);
 					FileBuffer.append("--" + BOUNDARY + "\r\n");
 					FileBuffer.append("Content-Disposition: form-data; name=\"" + name + "\"; filename=\"" + file.getName() + "\"" + "\r\n");
-					FileBuffer.append("Content-Type: application/octet-stream" + "\r\n");
+					FileBuffer.append("Content-Type:"+contentType+"" + "\r\n");
 					FileBuffer.append("\r\n");
 					String FileBufferString = FileBuffer.toString();
 					data.add(FileBufferString.getBytes());