我想用ng-upload在AngularJS上傳一個文件,但是我遇到了問題。我的HTML看起來像這樣:AngularJS用ng-upload上傳圖片
<div class="create-article" ng-controller="PostCreateCtrl">
<form ng-upload method="post" enctype="multipart/form-data" action="/write" >
<fieldset>
<label>Category</label>
<select name="category_id" class="">
<option value="0">Select A Category</option>
<?php foreach($categories as $category): ?>
<option value="<?= $category -> category_id; ?>"><?= $category -> category_name; ?></option>
<?php endforeach; ?>
</select>
<label>Title</label>
<input type="text" class="title span5" name="post_title" placeholder="A catchy title here..." value="<?= $post -> post_title; ?>" />
<label>Attach Image</label>
<input type="file" name="post_image" />
<a href='javascript:void(0)' class="upload-submit: uploadPostImage(contents, completed)" >Crop Image</a>
<label>Body</label>
<div id="container">
<textarea id="mytextarea" wrap="off" name="post_content" class="span7" placeholder="Content..."><?= $post -> post_content; ?></textarea>
</div>
<div style='clear:both;'></div>
<label>Preview</label>
<div id='textarea-preview'></div>
</fieldset>
<div class="span7" style="margin: 0;">
<input type="submit" class="btn btn-success" value="Create Post" />
<input type="submit" class="btn btn-warning pull-right draft" value="Save as Draft" />
</div>
</form>
</div>
而我的JS控制器看起來是這樣的:
ClabborApp.controller("PostCreateCtrl", ['$scope', 'PostModel',
function($scope, PostModel) {
$scope.uploadPostImage = function(contents, completed) {
console.log(completed);
alert(contents);
}
}]);
我現在面臨的問題是,當裁剪圖像被擊中並執行uploadPostImage,它上傳整個窗體。不想要的行爲,但我可以讓它工作。最大的問題是在js中,函數uploadPostImage的'contents'參數始終未定義,即使'completed'參數返回爲true。
目標是僅上傳圖像進行裁剪。我在這個過程中做錯了什麼?
通過角度訪問這裏獲取簡單的圖片上傳教程。它真的幫助我https://www.tutorialspoint.com/angularjs/angularjs_upload_file.htm –