var upObj = null;
wx.ready(function() {
	// 5 图片接口
	// 5.1 拍照、本地选图
	var images = {
		localId : [],
		serverId : [],
		uploadIds : [],
	};

	document.querySelector("#chooseImage").onclick = function() {
		$(".photo").empty();
		wx.chooseImage({
			success : function(res) {
				images = {
					localId : res.localIds,
					serverId : [],
					uploadIds : [],
				};

				if (images.localId.length == 0) {
					alert('请先拍取照片');
					return;
				}
				if (images.localId.length > 4) {
					alert('最多允许上传四张,请重新选择');
					images.localId = [];
					return;
				}

				upload(0);
			}
		});
	};

	function upload(i) {
		localIdMes = images.localId[i];

		wx.uploadImage({
			localId : localIdMes,
			success : function(res) {
				showImage(res.serverId, i);
				i++;
				setTimeout(function() {

					if (i < images.localId.length) {
						upload(i);
					}
				}, 500)
			},
			fail : function(res) {
				alert(JSON.stringify(res));
			}
		});
	}
});

wx.error(function(res) {
	alert(res.errMsg);
});