尝试将图像从客户端发送到服务器时,我遇到了一些麻烦,因为原始图像与收到的图像不同.为了找到问题,我正在逐行阅读两个图像寻找差异.当我逐行比较字符串时,对于某些使用String#equals的行(例如lineo.equals(lined)),结果为false,但是当我在控制台中打印它们时它们似乎相同,我也比较它们的字节阵列.令人惊讶的是,使用Array.equals(lineo.getBytes(),lined.getBytes())结果为true.客户端和服务器都在同一台计算机上.
请帮我理解
为什么两种方法都要比较,返回不同的结果
private void compareImages() throws IOException {
File dest = new File("C:\\TempFiles\\" + fileName);
File orig = new File("C:\\Users\\Andres\\Desktop\\B&N\\" + fileName);
BufferedReader bro = new BufferedReader(new FileReader(orig));
BufferedReader brd = new BufferedReader(new FileReader(dest));
String lineo = bro.readLine();
String lined = brd.readLine();
System.out.println("Ready to read");
while (lineo!= null && lined!= null) {
if(!lined.equals(lineo))
{
System.out.println("lineo");
System.out.println(lineo);
System.out.println("lined");
System.out.println(lined);
System.out.println("arrayo");
System.out.println(printArray(lineo.getBytes()));
System.out.println("arrayd");
System.out.println(printArray(lined.getBytes()));
System.out.println("Are: " + Arrays.equals(lined.getBytes(), lineo.getBytes()));
break;
}
lineo = bro.readLine();
lined = brd.readLine();
}
bro.close();
brd.close(); …Run Code Online (Sandbox Code Playgroud)