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判断字符是否是全宽 Detect whether a char full width
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| // 判断字符是否是全宽（中日韩文字及符号） | |
| function isFullWidth (char) { | |
| // 【文档】 | |
| // Unicode区块查询: https://unicodelookup.com | |
| // 字符到HEX: '！'.charCodeAt(0).toString(16) | |
| // HEX到字符: String.fromCharCode('0xff58') | |
| // 【易弄错半宽】 | |
| // 半宽中文标点1: (2013|–)~(201d|”) | |
| // 半宽中文标点2(｡)、半宽片假名katakana(ｦ)、半宽韩文字母hangul(ﾡ): (ff61|｡)~(201d|”) | |
| // 【全宽字符】 | |
| // 5 中文符号1: (3001|、)~(3020|〠) | |
| // 3.日文: (3031|〱)~(33ff|㏿) | |
| // 2.生僻中文: (3400|㐀)~(4dff|䷿) | |
| // 1.常用中文: (4e00|一)~(9fd5|鿕) | |
| // 4.韩文: (ac00|가)~(d7a3|힣) | |
| // 6.中文符号2、全宽英文符号、全宽数字字母: (ff01|！)~(ff60|｠):？￥ | |
| // 7.全宽货币符号: (ffe0|￠)~(ffe6|￦) | |
| // 8.扩展D区(急用汉字): (2B740|띀)~(2B81D|렝) | |
| return /[一-鿕|㐀-䷿|〱-㏿|가-힣|、-〠|！-｠|￠-￦|띀-렝]/.test(char) | |
| } |
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