读取指定目录下文件 uni plus

		readFile() {
			const folderPath = 'file://storage/sdcard0/Android/data/io.dcloud.HBuilder/files/';
			this.aFileList = [];
			plus.io.resolveLocalFileSystemURL(
				folderPath, //指定的目录
				(entry) => {
					var directoryReader = entry.createReader(); //获取读取目录对象
					directoryReader.readEntries(
						(entries) => { //返回的是指定文件夹下的文件列表
							this.aFileList = entries
							this.aFileList.forEach(i => {
								if (/\./.test(i.name)) {
									this.list.push({
										name: i.name
									})
								}
							})
						},
						(err) => {
							console.log("访问目录失败");
						});
				},
				(err) => {
					console.log("访问指定目录失败:" + err.message);
				});
		},