默认发POST格式
Content-Type: application/x-www-form-urlencoded
Content-Type: application/x-www-form-urlencoded
bankCode:"TEST"&bankAreaCode="440305"
发JSON格式
Content-Type: application/json; charset=utf-8
Content-Type: application/json; charset=utf-8
{"bankCode":"TEST","bankAreaCode":"440305"}