Java tutorial
//package com.java2s; /** * * Copyright 2008 - 2009 * * Licensed under the Apache License, Version 2.0 (the "License"); you may not * use this file except in compliance with the License. You may obtain a copy of * the License at * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the * License for the specific language governing permissions and limitations under * the License. * * @project loonframework * @author chenpeng * @emailceponline@yahoo.com.cn * @version 0.1 */ import java.io.UnsupportedEncodingException; public class Main { public static final String ASCII_CHARSET = "US-ASCII"; public static boolean isChinaLanguage(String str) { char[] chars = str.toCharArray(); int[] ints = new int[2]; boolean isChinese = false; int length = chars.length; byte[] bytes = null; for (int i = 0; i < length; i++) { bytes = ("" + chars[i]).getBytes(); if (bytes.length == 2) { ints[0] = bytes[0] & 0xff; ints[1] = bytes[1] & 0xff; if (ints[0] >= 0x81 && ints[0] <= 0xFE && ints[1] >= 0x40 && ints[1] <= 0xFE) { isChinese = true; } } else { return false; } } return isChinese; } public static byte[] getBytes(String data) { if (data == null) { throw new IllegalArgumentException("Parameter may not be null"); } try { return data.getBytes(ASCII_CHARSET); } catch (UnsupportedEncodingException e) { } return data.getBytes(); } }