java 读取本地的图片

public static void main(String[] args) throws Exception {
	 File file = new  File("C:\\Users\\0\\Desktop\\test图片\\11.jpg");
	 File  result = new  File("C:\\Users\\0\\Desktop\\test\\11.jpg");
	 //判断文件是否存在
	 if(result.exists()) {
		 result.delete();
	 }
	 if(!result.exists()) {
		 //创建一个空的文件
		 result.createNewFile();
	 }
	 //获得输入流,将文件读到内存
	FileInputStream in = new  FileInputStream(file);
	System.out.println("in:"+in);
	FileOutputStream out = new FileOutputStream(result);
	//创建数组
	int n=0;
	int a=0;
	//1024字节 ,相当于每次读取1kb
	byte[] arr = new byte[1024];
	//循环读取,读到末尾会返回-1
	while((n=in.read(arr)) !=-1) {
		//将读取的内容写入到输出流当中
		out.write(arr, 0, n);
	}
	out.flush();
	out.close();
	in.close();
	
}

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转载自blog.csdn.net/tian5753/article/details/85234402
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