jQuery用户头像裁剪插件cropbox.js使用详解

<script src="js/jquery-1.11.1.min.js"></script><script src="js/cropbox.js"></script><script type="text/javascript">  $(window).load(function() {    var options =    {      thumbBox: '.thumbBox',      spinner: '.spinner',      imgSrc: 'images/avatar.png'    }    var cropper = $('.imageBox').cropbox(options);    $('#file').on('change', function(){      var reader = new FileReader();      reader.onload = function(e) {        options.imgSrc = e.target.result;        cropper = $('.imageBox').cropbox(options);      }      reader.readAsDataURL(this.files[0]);      this.files = [];    })    $('#btnCrop').on('click', function(){      var img = cropper.getDataURL();      $('.cropped').append('<img src="'+img+'">');    })    $('#btnZoomIn').on('click', function(){      cropper.zoomIn();    })    $('#btnZoomOut').on('click', function(){      cropper.zoomOut();    })  });</script>