大神求解

[你今天真美]

[你今天真美]

引用 1 楼 我的浪漫与极端的回复:

你是需要帮你写完全部的代码吗

对的，麻烦了

[Kotlin小菜鸟]

c主要还是什么

[Kotlin小菜鸟]

c语言还是java

[ASCII0000]

File file = new File("lyingFileRead.txt"); // 录入数据 FileOutputStream out = new FileOutputStream(file); String str = "张三,123456"; out.write(str.getBytes()); out.close(); // 读取数据 FileInputStream in = new FileInputStream(file); InputStreamReader reader = new InputStreamReader(in); BufferedReader br = new BufferedReader(reader); String line = ""; if ((line = br.readLine()) != null) { System.out.print("输入: "); Scanner input = new Scanner(System.in); String data = input.nextLine(); // 拆分数据 String username = line.split(",")[0]; String password = line.split(",")[1]; String data_name = data.split(" ")[0]; String data_password = data.split(" ")[1]; if (username.equals(data_name) && password.equals(data_password)) { System.out.println("欢迎登录"); } else { System.out.println("用户名或密码错误"); } input.close(); }