chat中添加上传文件功能
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@@ -0,0 +1,12 @@
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function pow1024(num) {
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return Math.pow(1024, num)
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}
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export default function(size){
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if (!size) return '';
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return size < 1024 ? size + ' B' :
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size < pow1024(2) ? (size / 1024).toFixed(2) + ' KB' :
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size < pow1024(3) ? (size / pow1024(2)).toFixed(2) + ' MB' :
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size < pow1024(4) ? (size / pow1024(3)).toFixed(2) + ' GB' :
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(size / pow1024(4)).toFixed(2) + ' TB'
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}
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