在angular js中上传每个行表中的文件

<table>
  <tr ng-repeat="file in files">
    <td>
      <input type="file" ng-model="file" />
    </td>
    <td>
      <button ng-click="uploadFile(file)">上传</button>
    </td>
  </tr>
</table>

app.controller('FileUploadController', function($scope) {
  $scope.files = [];
});

app.controller('FileUploadController', function($scope, $http) {
  $scope.files = [];

  $scope.uploadFile = function(file) {
    var formData = new FormData();
    formData.append('file', file);

    $http.post('/upload', formData, {
      transformRequest: angular.identity,
      headers: {'Content-Type': undefined}
    }).then(function(response) {
      // 处理上传成功的响应
    }, function(error) {
      // 处理上传失败的响应
    });
  };
});