AngularJS创建一个上传照片的指令实例代码

.directive('imageUpload',['Constants',function(Constants){
return {
  restrict: 'E',
  scope: {
    scopeModel:'=',
    title:'@'
  },
  template : '<fieldset>'
      +'<legend>{{title}}<span class="fileinput-button"><span>重新上传</span>'
      +'<input type="file" name="file"></span></legend>'
      + '<span class="profile-picture">'
      + '<img class="img-responsive" alt="{{title}}" ng-src="{{loadImg(scopeModel)}}" style="display: block;"/>'
      + '</fieldset>',
  link : function(scope, element, attrs) {
    $(element).fileupload({
      url: 'file/upload',
      dataType: 'json',
      done: function(e, data) {
        var res = data.result;
        if(res.suess){
          scope.scopeModel=res.data.fileKey;
          scope.$apply();
        }
      }
    });
    scope.loadImg=function(key){
      if(undefined==scope.scopeModel || null==scope.scopeModel || scope.scopeModel===''){
        return $.ctx+'/images/noImage.jpg';
      }
      if(scope.scopeModel.indexOf('http://')>-1){
        return scope.scopeModel;
      }
      return $.ctx+'/file/getFile?fileKey='+scope.scopeModel;
    }
  }
};
}]);

<image-upload scope-model="imagePath" title="照片上传"></image-upload>