const chooseUpload = (num, url, type, formData) => {

	if (num == undefined || num == null || num == "")
		num = 1

	if (url == undefined || url == null || url == "")
		url = "aos/file/batchUploadImage"
		
	if (type == undefined || type == null || type == "")
		type = "files"

	if (formData == undefined || formData == null || formData == "")
		formData = {}

	let totalImgs = 0;
	let httpUrl = [];

	return new Promise((resolve) => {

		uni.chooseImage({
			count: num, //默认1
			sizeType: ['compressed'], //可以指定是原图还是压缩图，默认二者都有
			sourceType: ['album'], //从相册选择
			success: function(res) {

				let chooseImgs = res.tempFilePaths;
				totalImgs = chooseImgs.length;
				console.log("chooseImgs", res.tempFilePaths)
				if (totalImgs > 0)
					uni.showLoading({
						title: '请稍后...',
						mask: true
					});

				for (var i = 0; i < chooseImgs.length; i++) {
					uni.uploadFile({
						url: getApp().globalData.baseURL + url, //仅为示例，非真实的接口地址
						filePath: chooseImgs[i],
						name: type,
						formData: formData,
						success: (uploadFileRes) => {
							let data = JSON.parse(uploadFileRes.data)
							console.log("data", data)
							if (data.success) {
								if (data.data != undefined && data.data.length != 0)
									// 必须用变量去接受
									httpUrl = httpUrl.concat(data.data)
							}

						},
						fail: (err) => {
							console.log("err-->", err)
						},
						complete: () => {
							totalImgs--;
							if (totalImgs <= 0) {
								uni.hideLoading();
								resolve({
									"num": chooseImgs.length,
									"urls": httpUrl
								})
							}
						}
					});
				}

			},
			fail: function(res) {
				resolve({
					"num": 0,
					"urls": []
				})
			}
		});
	})

}

export default chooseUpload