Is there a through train from Tongxiang to Shangyu? urgent

No, you can take a bus from Tongxiang to Hangzhou first, and then take a bus from Hangzhou to Shangyu. On the way, there is no detour. And you don't have to leave the station to transfer to Hangzhou, get off at the bus terminal in Hangzhou and get on the bus from Hangzhou to Shangyu. Just get off and buy a ticket. There are many buses from Tongxiang to Hangzhou, which run every 5 minutes during peak hours, every 10 minutes in normal times and every 15 minutes in leisure time. The bus fare from Tongxiang to Hangzhou is 2 1 yuan, and the bus that can walk from Hangzhou to Shangyu in one hour is also 10 minutes. The fare is 33 yuan, normally 75 minutes.