What will be the best way to get from Pudong airport to Xietu lu at around midnight?

Well, according to your arrival time, you are suggested to take airport shuttle bus night line to Huashan Road, Middle Yanan Road. After arriving, take a taxi to the destination directly. The cab fare is about CNY 30.

Both Terminal 1 and Terminal 2 have pick-up stations.
In T1, the pick-up station is located at the Gate No.6 of the arrival hall.
In T2, the pick-up station is located near the gate of the airport shuttle bus elevator. You can find it according to the clear English signs. Don't worry.