JQuery读取Exif信息

时间：2022-09-30 16:30:02
<!DOCTYPE html>

<html>

<head>

    <script type="text/javascript" src="jquery-1.7.1.js"></script>

    <script type="text/javascript" src="jquery.exif.js"></script>

</head>

<body>

    <form id="myform">

        <input type="file" id="file" /> </br>

    </form>

    <script>

        var re='';

          function addInfo(str){

              re+=(str+'\r\n');

          }

          function getResult(){

              alert(re);

          }

        var someCallback = function(exifObject) {

            var t = exifObject.ExposureTime ;

            if ( t < 1 ) {

                t = "1/" + Math. round ( 1 / t ) + "秒";

            } else {

                t = t + "秒" ;

            }

            addInfo('相机：'+exifObject.Make);

            addInfo('型号：'+exifObject.Model);

            addInfo('快门:'+t);

            addInfo('光圈：F'+exifObject.FNumber);

            addInfo('焦段：'+exifObject.FocalLength+'mm');

            addInfo('ISO：'+exifObject.ISOSpeedRatings);

            addInfo('白平衡：'+exifObject.WhiteBalance);

            addInfo('日期：'+exifObject.DateTime);

            //addInfo('曝光补偿：'+exifObject.ExposureBias);

            getResult();

            // Uncomment the line below to examine the

            // EXIF object in console to read other values

            //console.log(exifObject);

        }

      try {

        $('#file').change(function() {

            $(this).fileExif(someCallback);

        });

      }

      catch (e) {

        alert(e);

      }

    </script>

</body>

</html>

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