java - 如何使用 BufferedReader 读取多行？

Question

我正在将文本从 Xcode(用户在 textView 上输入)发送到 java 服务器。文本可能包含多行。问题是接收文本时，只读取偶数行。这是我的代码。

服务器:

            StringBuilder sb = new StringBuilder();
            while(inFromClient.readLine()!=null){   //infromClient is the buffered reader

                sb.append(inFromClient.readLine());
                sb.append('\n');
            }
            System.out.println ("------------------------------");
            System.out.println (sb.toString()); //the received text

客户端:

           NSString *notecontent=[NSString  stringWithFormat:@"%@",self.ContentTextView.text];
        NSData *notecontentdata = [[NSData alloc] initWithData:[notecontent dataUsingEncoding:NSASCIIStringEncoding]];
        [outputStream write:[notecontentdata bytes] maxLength:[notecontentdata length]];

Answer 1

您正在消耗三行:

1. 检查是否有下一行
2. 打印线
3. 存储一个。

此处注明:

while(inFromClient.readLine()!=null) { //1.
    System.out.println (inFromClient.readLine()); //2.
    sb.append(inFromClient.readLine()); //3.
    sb.append('\n');
}

将该行存储在 String 中，然后用它执行您想要/需要的操作:

String line = "";
while ((line = inFromClient.readLine()) != null) {
    System.out.println(line);
    sb.append(line);
    sb.append('\n');
}