15 lines
322 B
JavaScript
15 lines
322 B
JavaScript
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// 计算文本内容字符的长度
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export default function strlen(str) {
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var len = 0;
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for (var i = 0; i < str.length; i++) {
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var c = str.charCodeAt(i);
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//单字节加1
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if ((c >= 0x0001 && c <= 0x007e) || (0xff60 <= c && c <= 0xff9f)) {
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len++;
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} else {
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len += 2;
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}
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}
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return len;
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}
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