[javascript] 用js得到文件大小
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<script type="text/javascript">
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function getFileSize(filePath)
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{
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var image=new Image();
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image.dynsrc=filePath;
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alert(image.fileSize);
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}
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</script>
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<body>
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<INPUT TYPE="file" NAME="file" SIZE="30" onchange="getFileSize(this.value)">
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</body>
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