這篇文章主要介紹了Angular.js中上傳指令ng-upload怎么用,具有一定借鑒價(jià)值,感興趣的朋友可以參考下,希望大家閱讀完這篇文章之后大有收獲,下面讓小編帶著大家一起了解一下。
Angular上傳指令ng-upload的基本使用,包括上傳文件,圖片,以及圖片和視頻在線預(yù)覽,非常強(qiáng)大。ng-upload有兩種用法,一種是選擇上傳文件,僅僅存起來,還有一種就是選擇之后,立刻出發(fā)一個(gè)上傳函數(shù),雖然這個(gè)函數(shù)可以不做http upload的操作。
1.首先包含庫文件
<script src="angular.min.js"></script> <!-- shim is needed to support non-HTML5 FormData browsers (IE8-9)--> <script src="ng-file-upload-shim.min.js"></script> <script src="ng-file-upload.min.js"></script>
2.只選擇,有submit上傳
Upload on form submit or button click <form ng-app="fileUpload" ng-controller="MyCtrl" name="form"> Single Image with validations <div class="button" ngf-select ng-model="file" name="file" ngf-pattern="'image/*'" ngf-accept="'image/*'" ngf-max-size="20MB" ngf-min-height="100" ngf-resize="{width: 100, height: 100}">Select</div> Multiple files <div class="button" ngf-select ng-model="files" ngf-multiple="true">Select</div> Drop files: <div ngf-drop ng-model="files" class="drop-box">Drop</div> <button type="submit" ng-click="submit()">submit</button> </form>
3.選擇之后,立馬上傳
Upload right away after file selection: <div class="button" ngf-select="upload($file)">Upload on file select</div> <div class="button" ngf-select="uploadFiles($files)" multiple="multiple">Upload on file select</div> Drop File: <div ngf-drop="uploadFiles($files)" class="drop-box" ngf-drag-over-class="'dragover'" ngf-multiple="true" ngf-pattern="'image/*,application/pdf'">Drop Images or PDFs files here</div> <div ngf-no-file-drop>File Drag/Drop is not supported for this browser</div>
4.upload模塊還能顯示圖片預(yù)覽
Image thumbnail: <img ngf-thumbnail="file || '/thumb.jpg'"> Audio preview: <audio controls ngf-src="file"></audio> Video preview: <video controls ngf-src="file"></video>
這個(gè)里面注意了:這里面的file不是圖片路徑,而是,ngf-select ng-model="file" name="file"
操作的時(shí)候,或者ngf-select="upload($file)
傳給調(diào)用函數(shù)的那個(gè)file對象
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