POST /ERPApi/api/router/json?key=bsm6_erp2 HTTP/1.1
Connection: Keep-Alive
Content-Length: 198
Content-Type: application/x-www-form-urlencoded;charset=utf-8
Expect: 100-continue
Host: 218.64.5.95
User-Agent: iWMSApp3.0

key=bsm6_erp2&api=bserp.vipclass.list.get&biz=%7b%22page_size%22%3a500%2c%22page_index%22%3a1%2c%22LastChanged%22%3a818006%7d&time=2016-08-19+19%3a51%3a32&v=1.0&sign=4963a244b81bf1cf0185c3e2802f092d

key:bsm6_erp2
api:bserp.vipclass.list.get
biz:{"page_size":500,"page_index":1,"LastChanged":818006}
time:2016-08-19 19:51:32
v:1.0
sign:4963a244b81bf1cf0185c3e2802f092d