Js 将图片的绝对路径转换为base64编码(3)

图片文件改变一方法：
$('#file').change(function(){
var oFReader = new FileReader();
oFReader.readAsDataURL(this.files[0]);
console.log(this.files[0]);
oFReader.onload = function (oFREvent) {
$('#preview').html('<img src="'+oFREvent.target.result+'">');
};
});

});

图片文件改变二方法：

$scope.$watch('files', function (value) {
  if(value){
    var oFReader = new FileReader();
    oFReader.readAsDataURL($scope.files[0]);
    oFReader.onload = function (oFREvent) {
      $scope.employee.empPhotoPath = oFREvent.target.result.slice(23);
    };
  }else{
      $scope.employee.empPhotoPath = '';
  }
  // employeeService.uploadEmpPhotoPath(Upload, $scope.files, aflterUpload);
});