bin文件保存

Posted 2022-11-30 小筱萌

C++

void saveFeature(const char * filePath,const char* data,int len)



   FILE *fp=fopen(filePath,"wb");

   if(fp)

   

       fwrite(data,512,len,fp);

      fclose(fp);

   



// FILE *fp = fopen("/sdcard/s320/enroll_byte_jni.bin", "wb");

// if (fp)

// 

// fwrite((char*)byteF, 2048, 1, fp);

// 

// fclose(fp);

android

public static void saveBin(byte[] bmp, String name) 

File f = new File("/sdcard/" + name + ".bin");

try 

    f.createNewFile();

 catch (IOException e) 



try 

   InputStream is = new ByteArrayInputStream(bmp);

   FileOutputStream os = new FileOutputStream(f);

   byte[] b = new byte[1024];

   int len = 0;

   //开始读取

   while ((len = is.read(b)) != -1) 
 
      os.write(b, 0, len);

   

//完毕关闭所有连接

   is.close();
 
   os.close();

 catch (FileNotFoundException e) 

    e.printStackTrace();

 catch (IOException e) 

    e.printStackTrace();