help getting from Shanghai pudong to hangzhou

The distance is about 129 miles. And it will take 3 hours on the way by train.
You can take airport shuttle bus line 1 to Hongqiao Railway Station first. The fare is CNY 30 per adult. After arriving, there are many bullet trains to go to Hangzhou. The fare of the train depends on which type of seat you choose. The average fare of the second class seat is about CNY50.

Or from the Pudong airport, there are direct shuttle bus to Hangzhou and the bus' duration is around 3 hours. The fare is around 100RMB per person.