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commons/utils/prveImg.js

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+export function prveImg(arr, current) {
+	uni.previewImage({
+		urls: arr,current,
+		longPressActions: {
+			itemList: ['发送给朋友', '保存图片', '收藏'],
+			success: function(data) {
+				console.log('选中了第' + (data.tapIndex + 1) + '个按钮,第' + (data.index + 1) + '张图片');
+			},
+			fail: function(err) {
+				console.log(err.errMsg);
+			}
+		}
+	});
+}