这是我的HTML表单:
<form name="myForm" ng-submit="">
<input ng-model='file' type="file"/>
<input type="submit" value='Submit'/>
</form>
我想从本地机器上传一个图像,并想读取上传文件的内容。所有这些我都想用AngularJS来做。
当我试图打印$scope的值时。文件是未定义的。
这是我的HTML表单:
<form name="myForm" ng-submit="">
<input ng-model='file' type="file"/>
<input type="submit" value='Submit'/>
</form>
我想从本地机器上传一个图像,并想读取上传文件的内容。所有这些我都想用AngularJS来做。
当我试图打印$scope的值时。文件是未定义的。
当前回答
这是
file.html
<html>
<head>
<script src = "https://ajax.googleapis.com/ajax/libs/angularjs/1.3.14/angular.min.js"></script>
</head>
<body ng-app = "app">
<div ng-controller = "myCtrl">
<input type = "file" file-model = "myFile"/>
<button ng-click = "uploadFile()">upload me</button>
</div>
</body>
<script src="controller.js"></script>
</html>
controller.js
var app = angular.module('app', []);
app.service('fileUpload', ['$http', function ($http) {
this.uploadFileToUrl = function(file, uploadUrl){
var fd = new FormData();
fd.append('file', file);
$http.post(uploadUrl, fd, {
transformRequest: angular.identity,
headers: {'Content-Type': undefined}
}).success(function(res){
console.log(res);
}).error(function(error){
console.log(error);
});
}
}]);
app.controller('fileCtrl', ['$scope', 'fileUpload', function($scope, fileUpload){
$scope.uploadFile = function(){
var file = $scope.myFile;
console.log('file is ' );
console.dir(file);
var uploadUrl = "/fileUpload.php"; // upload url stands for api endpoint to handle upload to directory
fileUpload.uploadFileToUrl(file, uploadUrl);
};
}]);
</script>
fileupload.php
<?php
$ext = pathinfo($_FILES['file']['name'],PATHINFO_EXTENSION);
$image = time().'.'.$ext;
move_uploaded_file($_FILES["file"]["tmp_name"],__DIR__. ' \\'.$image);
?>
其他回答
下面是文件上传的工作示例:
http://jsfiddle.net/vishalvasani/4hqVu/
在这个函数中
setFiles
从视图更新控制器中的文件数组
or
你可以使用AngularJS检查jQuery文件上传
http://blueimp.github.io/jQuery-File-Upload/angularjs.html
使用onchange事件将输入文件元素传递给函数。
<输入类型=“文件”/>
因此,当用户选择一个文件时,您就有了对该文件的引用,而不需要用户单击“添加”或“上传”按钮。
$scope.fileSelected = function (element) {
var myFileSelected = element.files[0];
};
http://jsfiddle.net/vishalvasani/4hqVu/在chrome和IE中运行良好(如果你在background-image中稍微更新CSS)。 用于更新进度条:
scope.progress = Math.round(evt.loaded * 100 / evt.total)
但是在FireFox中,angular的[percent]数据没有在DOM中成功更新,尽管文件上传成功。
我想这是angular文件的上传:
ng-file-upload
用来上传文件的轻量级Angular JS指令。
这里是演示页面。特性
Supports upload progress, cancel/abort upload while in progress, File drag and drop (html5), Directory drag and drop (webkit), CORS, PUT(html5)/POST methods, validation of file type and size, show preview of selected images/audio/videos. Cross browser file upload and FileReader (HTML5 and non-HTML5) with Flash polyfill FileAPI. Allows client side validation/modification before uploading the file Direct upload to db services CouchDB, imgur, etc... with file's content type using Upload.http(). This enables progress event for angular http POST/PUT requests. Seperate shim file, FileAPI files are loaded on demand for non-HTML5 code meaning no extra load/code if you just need HTML5 support. Lightweight using regular $http to upload (with shim for non-HTML5 browsers) so all angular $http features are available
https://github.com/danialfarid/ng-file-upload
<form id="csv_file_form" ng-submit="submit_import_csv()" method="POST" enctype="multipart/form-data">
<input ng-model='file' type="file"/>
<input type="submit" value='Submit'/>
</form>
在angularJS控制器中
$scope.submit_import_csv = function(){
var formData = new FormData(document.getElementById("csv_file_form"));
console.log(formData);
$.ajax({
url: "import",
type: 'POST',
data: formData,
mimeType:"multipart/form-data",
contentType: false,
cache: false,
processData:false,
success: function(result, textStatus, jqXHR)
{
console.log(result);
}
});
return false;
}