Eclipse控制台不打印汉字

编程入门行业动态更新时间:2024-10-24 14:19:01

本文介绍了Eclipse控制台不打印汉字的处理方法，对大家解决问题具有一定的参考价值，需要的朋友们下面随着小编来一起学习吧！问题描述

我已经编写了一个Java函数，该函数带有一个字符串参数，并使用某种逻辑从中生成一个随机id.如果我的String包含英文字符，那么一切正常，但是当我传递中文字符时，将它们替换为???

I have written a Java function which take a string parameter and generate a random id from it using some logic. Everything is working fine if my String contains English characters but when I pass Chinese characters, these are replaced by ???

这是我的代码:

public static String generateId(String inputString) { /** * Split input string on the basis of white spaces */ String arr[] = inputString.split(" "); /** * Change the first character of first substring to lowercase */ String id = arr[0].substring(0, 1).toLowerCase() + arr[0].substring(1); if(arr.length > 1) { for (int i = 1; i < arr.length; i++) { /** * Change the first character of remaining substrings to uppercase * and append to id */ if(arr[i].trim().length() != 0) { id = id + arr[i].substring(0, 1).toUpperCase() + arr[i].substring(1); } } } int length = id.length(); Random random = new Random(); /** * If the length of id is less than 8 then append random digits to make * length equals to 8 else take a substring of length equals to 8 */ if (length < 8) { int len = 8 - length; StringBuilder sb = new StringBuilder(len); for (int i = 0; i < len; i++) { sb.append((char) ('0' + random.nextInt(10))); } id = id + sb; } else { id = id.substring(0, 8); } /** * Append 4 digits random number to make length of id equals to 12 * characters long */ return id + String.format("%04d", random.nextInt(10000)); }

这是我针对不同情况的输出:

Here are my outputs for different cases:

System.out.println(MyClass.generateId("anyid"));

输出:anyid0660920

Output: anyid0660920

System.out.println(MyClass.generateId("这是标题"));

输出:???? 14102367

Output: ????14102367

我该如何处理这个问题?

how can I deal with this issue?

推荐答案

将控制台编码更改为 UTF-8 ，