Consumer spending in Shanghai saw double-digit growth, both online and offline, during the three-day Dragon Boat Festival that ended on Monday, thanks to diversified consumption activities and promotions, according to official data.

The holiday saw a 17.3 percent year-on-year growth in both online consumption and physical-store spending, which amounted to 31.1 billion yuan ($4.29 billion), according to the Consumer Market Big Data Laboratory (Shanghai).

In total, 17 billion yuan was spent at brick-and-mortar stores, up 19.1 percent year-on-year, while online sales surged 15.1 percent to 14.07 billion yuan.

In Shanghai's 35 major business districts, foot traffic amounted to 14.03 million passenger trips, up 2.5 percent on the same period last year.

Consumers from outside Shanghai spent 8.12 billion yuan via some 7.07 million passenger trips during the holiday, up 2 percent and 11.8 percent from a year ago, respectively, according to big data collected by China UnionPay.

Visitors from Jiangsu province contributed 20.2 percent of the consumer spending from outside Shanghai, with other major contributions coming from shoppers from Zhejiang province, Beijing, Shandong province, and Anhui province.