POST /ERPApi/api/router/json?key=bsm6_erp2 HTTP/1.1
Content-Length: 203
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.buyrecordsdet.list.get&biz=%7b%22page_size%22%3a500%2c%22page_index%22%3a2%2c%22LastChanged%22%3a928108%7d&time=2016-08-19+18%3a47%3a21&v=1.0&sign=b3dbcd334b1777f632cf2ed6842a986e

key:bsm6_erp2
api:bserp.buyrecordsdet.list.get
biz:{"page_size":500,"page_index":2,"LastChanged":928108}
time:2016-08-19 18:47:21
v:1.0
sign:b3dbcd334b1777f632cf2ed6842a986e