How is Taobao's shipping module made? Please give me some ideas, teachers and students.
For example, my database has
area table fields as follows
id parent_id name
1 0 0 Dongcheng District
2 1 1 Beijing
3 2 Dongcheng District
4 0 Anhui Province
.... ......
How do I make a shipping module like Taobao
For example: Items in Shenzhen
North China Region Free Shipping
Sichuan Chengdu 10 Yuan
Shaanxi Xi'an 11 Yuan
..........
Please give me some ideas and some php to help. Thank you!
