JQuery-获取上传的文件大小-文件大小验证

Posted 2021-02-24

File size validation

/*
*
* Function to validate File size
*
**/
 function findSize(field_id)
 {
           var fileInput = $("#"+field_id)[0];
           byteSize  = fileInput.files[0].fileSize;
        return ( Math.ceil(byteSize / 1024) ); // Size returned in KB.
}