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  • java判断乱码

    开发需要,判断乱码,baidu了一下,基本都是同一份代码

    if (!Character.isLetterOrDigit(c)) {        ->  这个有问题,中文文字被识别成字母及数字

    改用:if(!(CharUtils.isAsciiAlpha(c) || CharUtils.isAsciiNumeric(c))){     -> 要apache的lang包

    Mark一下:

    char c=...;

    Character.UnicodeBlock ub = Character.UnicodeBlock.of(c);
    if (ub == Character.UnicodeBlock.CJK_UNIFIED_IDEOGRAPHS
    || ub == Character.UnicodeBlock.CJK_UNIFIED_IDEOGRAPHS_EXTENSION_A
    || ub == Character.UnicodeBlock.CJK_UNIFIED_IDEOGRAPHS_EXTENSION_B
    || ub == Character.UnicodeBlock.CJK_UNIFIED_IDEOGRAPHS_EXTENSION_C
    || ub == Character.UnicodeBlock.CJK_UNIFIED_IDEOGRAPHS_EXTENSION_D
    || ub == Character.UnicodeBlock.CJK_COMPATIBILITY_FORMS
    || ub == Character.UnicodeBlock.CJK_COMPATIBILITY_IDEOGRAPHS
    || ub == Character.UnicodeBlock.CJK_COMPATIBILITY_IDEOGRAPHS_SUPPLEMENT
    || ub == Character.UnicodeBlock.CJK_SYMBOLS_AND_PUNCTUATION
    || ub == Character.UnicodeBlock.GENERAL_PUNCTUATION
    || ub == Character.UnicodeBlock.HALFWIDTH_AND_FULLWIDTH_FORMS
    || ub == Character.UnicodeBlock.VERTICAL_FORMS

    常量说明:http://lwjlaser.iteye.com/blog/963211

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  • 原文地址:https://www.cnblogs.com/abinxm/p/5889065.html
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