console.log('开始下载');
var imgUrl = '图片或者视频地址';
console.log('图片地址：' + imgUrl);
var suffix = 'ceshi.mp4'; /*保存的文件名*/
/*** 创建下载任务* http://www.html5plus.org/doc/zh_cn/downloader.html#plus.downloader.createDownload*/
var downLoader = plus.downloader.createDownload(imgUrl, {method: 'GET',filename: '_downloads/image/' + suffix
}, function(download, status) {var fileName = download.filename;console.log('文件名:' + fileName);console.log('下载状态：' + status);/*** 保存至本地相册* http://www.html5plus.org/doc/zh_cn/gallery.html#plus.gallery.save*/plus.gallery.save(fileName, function() {/*** 保存后，弹出对话框是否查看；* http://dev.dcloud.net.cn/mui/ui/#dialog*//*以下代码 视频下载打开相册会找不到视频 无效代码可以不需要*/mui.confirm("打开相册", "打开相册？", ["打开", "不看"], function(event) {var gindex = event.index;if(gindex == 0) {/*** 选择图片* http://www.html5plus.org/doc/zh_cn/gallery.html#plus.gallery.pick*/plus.gallery.pick(function(file) {mui.toast("你选择了图片：" + file);}, function(error) {console.log(error);}, {});}});});
});
/*** 开始下载任务* http://www.html5plus.org/doc/zh_cn/downloader.html#plus.downloader.Download.start*/
downLoader.start();