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中文字符判断问题 #10

@feihongxiansen

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@feihongxiansen

printerUtil.js中的中文字符判断方法有点问题,全角字符判断不了,全角字符应该是2个宽度,但是原来的方法判断为1个宽度,将正则表达式加上全角字符的编码即可,修改后代码为
function isChinese(str) { return /^[\u4e00-\u9fa5]|[\uff00-\uffff]$/.test(str); }

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