angularJs多文件上传

<input type="file" id="file{{$index}}" class="file{{$index}}" ngf-select ngf-change="cacScriptEditVm.views.uploadAttach($files)" multiple/>

<div class="form-group" ng-repeat="item in cacScriptEditVm.views.files track by $index">
 ???<label class="col-sm-4">
 ???????{{item.name}}
 ???</label>

</div>

vm.views.files = [];

function uploadAttach($file) {

 ???????????vm.views.files = $file;

　　　　　　　if($file.length>1){ ???????????????for(var i=0;i<$file.length;i++){ ???????????????????console.log($file[i]); ???????????????} ???????????}
　　　　　　　　

　　　　addAttachment(0,$file);

}

function addAttachment(taskId, file) {
 ???var deferred = $q.defer();//声明承诺
 ???Upload
 ???????.upload({
 ???????????url: _appconfig.apiBaseUrls.tm + ‘/api/tm/task/attachment?taskId=‘ + taskId,
 ???????????fields: {},
 ???????????file: file
 ???????})
 ???????.progress(function (evt) {
 ???????????var progressPercentage = parseInt(100.0 * evt.loaded / evt.total);
 ???????????// console.log(‘progress: ‘ + progressPercentage + ‘% ‘ + evt.config.file.name);
 ???????})
 ???????.success(function (data, status, headers, config) {
 ???????????// console.log(‘file ‘ + config.file.name + ‘uploaded. Response: ‘ + data);
 ???????????deferred.resolve(data);//请求成功
 ???????})
 ???????.error(function (data, status, headers, config) {
 ???????????// console.log(‘error status: ‘ + status);
 ???????????deferred.reject(data);//请求成功
 ???????});

 ???return deferred.promise; ??// 返回承诺
}