8. 支持支持
10. 这是我分装的 批量说上传到OSS的子组件，应该在父组件引入掉用
文件：
com-upload-image.nvue（8.79 KB）
## 实例
文件：
com-upload-image.nvue（8.79 KB）
## 实例
<view class="comment_textarea" >
<com-upload-image :name="uploadImage.fileFieldName" :url="uploadImage.url" :extraData="uploadImage.extraData" @onUploaded="onUploaded" :HookBeforeUpload="HookBeforeUpload"></com-upload-image>
</view>
HookBeforeUpload(Index,Imgs){
return new Promise((resolve,reject)=>{
let img=Imgs[Index];
let fileName=img.local_path.substring(img.local_path.lastIndexOf("/")+1);
if(fileName==null || fileName==""){
fileName="img_"+Math.random().toString();
}
let reqUri=`api.upload-form.json?name=${fileName}&size=${img.fileSize}`;
this.$req.accessPost(reqUri).then(res=>{
//if file exist ,must not upload
if(res.fileExists==true){
//res.downloadUrl; the exist file url,
reject(new Exception('文件已经存在云端，请勿重复上传!'));
}
//set upload address，token，filename. resolve this process,then exec upload
this.uploadImage.url=res.requestUrl;
this.uploadImage.extraData=res.formData
this.uploadImage.fileFieldName=res.fileFieldName;
resolve({});
}).catch(err=>{
//http请求生成token异常
reject(err);
});
});
},