Android进阶——字符串排序

        对字符串进行排序，规则：有数字的按数字大小排序，有拼音的按26个字母的顺序排序，有汉字把汉字先转化为拼音，再按26个字母先后顺序排序。排序的优先级：数字>>拼音>>汉字

        鉴于以后还可能会用到，所以编写成工具类，供以后修改使用。

排序工具类 SortTools：

        可以自己针对性修改，此处直接把Demo附上了。

import java.util.ArrayList;
import java.util.Arrays;
import java.util.List;
public class sort {
    public static void main(String[] args) {
        List list = new ArrayList();
        list.add("001");
        list.add("021");
        list.add("123");
        list.add("014");
        list.add("002");
        list.add("015");
        list.add("016");
        list.add("b01");
        list.add("a02");
        list.add("020");
        list.add("023");
        list.add("024351");
        list.add("023451");
        list.add("我是宝哥");
        list.add("你是谁");
        List listSort = listSort(list);
        for (String string : listSort) {
            System.out.println(string);
        }
    }
    /**
     * 调用此方法
     * 
     * @param list
     * @return
     */
    public static List listSort(List list) {
        String[] array = (String[]) list.toArray(new String[list.size()]);
        for (int i = 0; i < array.length - 1; i++) {
            for (int j = i + 1; j < array.length; j++) {
                if (singleSort(array[i], array[j]) == 1) {
                    String temp = array[i];
                    array[i] = array[j];
                    array[j] = temp;
                }
            }
        }
        return Arrays.asList(array);
    }
    /**
     * 比较两个字符
     * 
     * @param one
     * @param two
     * @return
     */
    public static int singleSort(String one, String two) {
        int[] left = stringToAscii(one);
        int[] right = stringToAscii(two);
        int size = left.length < right.length ? left.length : right.length;
        for (int i = 0; i < size; i++) {
            // 大于10000说明是汉字 并且在判断一下是否相等 不相等在判断 减少判断次数
            if (left[i] > 10000 && right[i] > 10000 && left[i] != right[i]) {
                if (chineseCompare(one, two, i) != 0) {
                    return chineseCompare(one, two, i);
                }
            } else {
                if (intCompare(left[i], right[i]) != 0) {
                    return intCompare(left[i], right[i]);
                }
            }
        }
        return intCompare(left.length, right.length);
    }
    /**
     * 汉字比较
     * 
     * @param one
     * @param two
     * @param i
     * @return
     */
    private static int chineseCompare(String one, String two, int i) {
        String substringleft;
        String substringright;
        if (i > 0) {
            substringleft = one.substring(i - 1, i);
            substringright = two.substring(i - 1, i);
        } else {
            substringleft = one.substring(0, i);
            substringright = two.substring(0, i);
        }
        // 获得汉字拼音首字母的ASCII码
        // 把他里面的CharacterParser.convert方法 改成 public static 不然会报错
        int subLeft = stringToAscii(CharacterParser.convert(substringleft)
                .substring(0, 1))[0];
        int subRight = stringToAscii(CharacterParser.convert(substringright)
                .substring(0, 1))[0];
        System.out.println(CharacterParser.convert(substringleft).substring(0,
                1));
        return intCompare(subLeft, subRight);
    }
    /**
     * 数字比较
     * @param subLeft
     * @param subRight
     * @return
     */
    private static int intCompare(int subLeft, int subRight) {
        if (subLeft > subRight) {
            return 1;
        } else if (subLeft < subRight) {
            return -1;
        } else {
            return 0;
        }
    }
    /**
     * 获得ASCII码
     * @param value
     * @return
     */
    public static int[] stringToAscii(String value) {
        char[] chars = value.toCharArray();
        int j = chars.length;
        int[] array = new int[j];
        for (int i = 0; i < chars.length; i++) {
            array[i] = (int) chars[i];
        }
        return array;
    }
}

汉字转拼音工具类 CharacterParser ：

package com.jiemi.waiter.tools;

/**
 * Created by Bao on 2015/12/1.
 */
public class CharacterParser {

    /**
     * Java汉字转换为拼音
     */
    private static int[] pyvalue = new int[]{-20319, -20317, -20304, -20295, -20292, -20283, -20265, -20257, -20242, -20230, -20051, -20036, -20032,
            -20026, -20002, -19990, -19986, -19982, -19976, -19805, -19784, -19775, -19774, -19763, -19756, -19751, -19746, -19741, -19739, -19728,
            -19725, -19715, -19540, -19531, -19525, -19515, -19500, -19484, -19479, -19467, -19289, -19288, -19281, -19275, -19270, -19263, -19261,
            -19249, -19243, -19242, -19238, -19235, -19227, -19224, -19218, -19212, -19038, -19023, -19018, -19006, -19003, -18996, -18977, -18961,
            -18952, -18783, -18774, -18773, -18763, -18756, -18741, -18735, -18731, -18722, -18710, -18697, -18696, -18526, -18518, -18501, -18490,
            -18478, -18463, -18448, -18447, -18446, -18239, -18237, -18231, -18220, -18211, -18201, -18184, -18183, -18181, -18012, -17997, -17988,
            -17970, -17964, -17961, -17950, -17947, -17931, -17928, -17922, -17759, -17752, -17733, -17730, -17721, -17703, -17701, -17697, -17692,
            -17683, -17676, -17496, -17487, -17482, -17468, -17454, -17433, -17427, -17417, -17202, -17185, -16983, -16970, -16942, -16915, -16733,
            -16708, -16706, -16689, -16664, -16657, -16647, -16474, -16470, -16465, -16459, -16452, -16448, -16433, -16429, -16427, -16423, -16419,
            -16412, -16407, -16403, -16401, -16393, -16220, -16216, -16212, -16205, -16202, -16187, -16180, -16171, -16169, -16158, -16155, -15959,
            -15958, -15944, -15933, -15920, -15915, -15903, -15889, -15878, -15707, -15701, -15681, -15667, -15661, -15659, -15652, -15640, -15631,
            -15625, -15454, -15448, -15436, -15435, -15419, -15416, -15408, -15394, -15385, -15377, -15375, -15369, -15363, -15362, -15183, -15180,
            -15165, -15158, -15153, -15150, -15149, -15144, -15143, -15141, -15140, -15139, -15128, -15121, -15119, -15117, -15110, -15109, -14941,
            -14937, -14933, -14930, -14929, -14928, -14926, -14922, -14921, -14914, -14908, -14902, -14894, -14889, -14882, -14873, -14871, -14857,
            -14678, -14674, -14670, -14668, -14663, -14654, -14645, -14630, -14594, -14429, -14407, -14399, -14384, -14379, -14368, -14355, -14353,
            -14345, -14170, -14159, -14151, -14149, -14145, -14140, -14137, -14135, -14125, -14123, -14122, -14112, -14109, -14099, -14097, -14094,
            -14092, -14090, -14087, -14083, -13917, -13914, -13910, -13907, -13906, -13905, -13896, -13894, -13878, -13870, -13859, -13847, -13831,
            -13658, -13611, -13601, -13406, -13404, -13400, -13398, -13395, -13391, -13387, -13383, -13367, -13359, -13356, -13343, -13340, -13329,
            -13326, -13318, -13147, -13138, -13120, -13107, -13096, -13095, -13091, -13076, -13068, -13063, -13060, -12888, -12875, -12871, -12860,
            -12858, -12852, -12849, -12838, -12831, -12829, -12812, -12802, -12607, -12597, -12594, -12585, -12556, -12359, -12346, -12320, -12300,
            -12120, -12099, -12089, -12074, -12067, -12058, -12039, -11867, -11861, -11847, -11831, -11798, -11781, -11604, -11589, -11536, -11358,
            -11340, -11339, -11324, -11303, -11097, -11077, -11067, -11055, -11052, -11045, -11041, -11038, -11024, -11020, -11019, -11018, -11014,
            -10838, -10832, -10815, -10800, -10790, -10780, -10764, -10587, -10544, -10533, -10519, -10331, -10329, -10328, -10322, -10315, -10309,
            -10307, -10296, -10281, -10274, -10270, -10262, -10260, -10256, -10254};
    public static String[] pystr = new String[]{"a", "ai", "an", "ang", "ao", "ba", "bai", "ban", "bang", "bao", "bei", "ben", "beng", "bi", "bian",
            "biao", "bie", "bin", "bing", "bo", "bu", "ca", "cai", "can", "cang", "cao", "ce", "ceng", "cha", "chai", "chan", "chang", "chao", "che",
            "chen", "cheng", "chi", "chong", "chou", "chu", "chuai", "chuan", "chuang", "chui", "chun", "chuo", "ci", "cong", "cou", "cu", "cuan",
            "cui", "cun", "cuo", "da", "dai", "dan", "dang", "dao", "de", "deng", "di", "dian", "diao", "die", "ding", "diu", "dong", "dou", "du",
            "duan", "dui", "dun", "duo", "e", "en", "er", "fa", "fan", "fang", "fei", "fen", "feng", "fo", "fou", "fu", "ga", "gai", "gan", "gang",
            "gao", "ge", "gei", "gen", "geng", "gong", "gou", "gu", "gua", "guai", "guan", "guang", "gui", "gun", "guo", "ha", "hai", "han", "hang",
            "hao", "he", "hei", "hen", "heng", "hong", "hou", "hu", "hua", "huai", "huan", "huang", "hui", "hun", "huo", "ji", "jia", "jian",
            "jiang", "jiao", "jie", "jin", "jing", "jiong", "jiu", "ju", "juan", "jue", "jun", "ka", "kai", "kan", "kang", "kao", "ke", "ken",
            "keng", "kong", "kou", "ku", "kua", "kuai", "kuan", "kuang", "kui", "kun", "kuo", "la", "lai", "lan", "lang", "lao", "le", "lei", "leng",
            "li", "lia", "lian", "liang", "liao", "lie", "lin", "ling", "liu", "long", "lou", "lu", "lv", "luan", "lue", "lun", "luo", "ma", "mai",
            "man", "mang", "mao", "me", "mei", "men", "meng", "mi", "mian", "miao", "mie", "min", "ming", "miu", "mo", "mou", "mu", "na", "nai",
            "nan", "nang", "nao", "ne", "nei", "nen", "neng", "ni", "nian", "niang", "niao", "nie", "nin", "ning", "niu", "nong", "nu", "nv", "nuan",
            "nue", "nuo", "o", "ou", "pa", "pai", "pan", "pang", "pao", "pei", "pen", "peng", "pi", "pian", "piao", "pie", "pin", "ping", "po", "pu",
            "qi", "qia", "qian", "qiang", "qiao", "qie", "qin", "qing", "qiong", "qiu", "qu", "quan", "que", "qun", "ran", "rang", "rao", "re",
            "ren", "reng", "ri", "rong", "rou", "ru", "ruan", "rui", "run", "ruo", "sa", "sai", "san", "sang", "sao", "se", "sen", "seng", "sha",
            "shai", "shan", "shang", "shao", "she", "shen", "sheng", "shi", "shou", "shu", "shua", "shuai", "shuan", "shuang", "shui", "shun",
            "shuo", "si", "song", "sou", "su", "suan", "sui", "sun", "suo", "ta", "tai", "tan", "tang", "tao", "te", "teng", "ti", "tian", "tiao",
            "tie", "ting", "tong", "tou", "tu", "tuan", "tui", "tun", "tuo", "wa", "wai", "wan", "wang", "wei", "wen", "weng", "wo", "wu", "xi",
            "xia", "xian", "xiang", "xiao", "xie", "xin", "xing", "xiong", "xiu", "xu", "xuan", "xue", "xun", "ya", "yan", "yang", "yao", "ye", "yi",
            "yin", "ying", "yo", "yong", "you", "yu", "yuan", "yue", "yun", "za", "zai", "zan", "zang", "zao", "ze", "zei", "zen", "zeng", "zha",
            "zhai", "zhan", "zhang", "zhao", "zhe", "zhen", "zheng", "zhi", "zhong", "zhou", "zhu", "zhua", "zhuai", "zhuan", "zhuang", "zhui",
            "zhun", "zhuo", "zi", "zong", "zou", "zu", "zuan", "zui", "zun", "zuo"};
    private StringBuilder buffer;
    private String resource;
    private static CharacterParser characterParser = new CharacterParser();

    public static CharacterParser getInstance() {
        return characterParser;
    }

    public String getResource() {
        return resource;
    }

    public void setResource(String resource) {
        this.resource = resource;
    }

    /**
     * 汉字转成ASCII码 * * @param chs * @return
     */
    private static int getChsAscii(String chs) {
        int asc = 0;
        try {
            byte[] bytes = chs.getBytes("gb2312");
            if (bytes == null || bytes.length > 2 || bytes.length <= 0) {
                throw new RuntimeException("illegal resource string");
            }
            if (bytes.length == 1) {
                asc = bytes[0];
            }
            if (bytes.length == 2) {
                int hightByte = 256 + bytes[0];
                int lowByte = 256 + bytes[1];
                asc = (256 * hightByte + lowByte) - 256 * 256;
            }
        } catch (Exception e) {
            System.out.println("ERROR:ChineseSpelling.class-getChsAscii(String chs)" + e);
        }
        return asc;
    }

    /**
     * 单字解析（把汉字变成拼音）
     * * * @param str * @return
     */
    public static String convert(String str) {
        String result = null;
        int ascii = getChsAscii(str);
        if (ascii > 0 && ascii < 160) {
            result = String.valueOf((char) ascii);
        } else {
            for (int i = (pyvalue.length - 1); i >= 0; i--) {
                if (pyvalue[i] <= ascii) {
                    result = pystr[i];
                    break;
                }
            }
        }
        return result;
    }

    /**
     * 词组解析 *
     *
     * @param chs
     * @return 转换成拼音
     */
    public String getSelling(String chs) {
        String key, value;
        buffer = new StringBuilder();
        for (int i = 0; i < chs.length(); i++) {
            //一个一个字符截取
            key = chs.substring(i, i + 1);
            if (key.getBytes().length >= 2) {//大于2个字节，说明是汉字
                value = (String) convert(key);//把单个汉字装换成拼音
                if (value == null) {
                    value = "unknown";
                }
            } else {//说明是英文的字母，或者1个字符的
                if ((key.charAt(0) - 0) >= 65 && (key.charAt(0) - 0) <= 90) {//说明是大写字母，转换成小写字母
                    value = key.toLowerCase();
                } else {
                    value = key;
                }
            }
            buffer.append(value);
        }
        return buffer.toString();
    }

    public String getSpelling() {
        return this.getSelling(this.getResource());
    }

}

        以前汉字转拼音时用的是pinyin4j ，但出现了在某些机型上报错的情况。

        Demo中排序的最终结果：001 , 002 , 014 , 015 , 016 , 020 , 021 , 023 , 023451 , 024351 , 123 , a02 , b01 , 你是谁 , 我是宝哥

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