http get请求参数拼接

localhost:8080/hbinterface/orderInterface/groupReverseAccept.do?bizType=4&&bnetAccount=ESBTEST20150522OP&&bnetId=GD101140264&&customerType={accNbr:"13316268440","bnetId":"D101140264","bnetAccount":"ESBTEST20150522OP","contactTelephone":"13316268440","contactPersonName":"13316268440","identitySerialNumber":"13316268440",identityType:1,"nodeId":"100000",
servNbr:"GZ200000008536710189","offeringType":{"offeringSpecId":"GD9900405","servNbr":"GZ200000008536710189","productType":[{"productSpecId":"GD9900404","productAttributeList":[{"attributeId":"1","attributeValue":"1","productSpecId":"GD9900405"},{"attributeId":"1","attributeValue":"1","productSpecId":"GD9900108"}]},{"productSpecId":"GD9900406","productAttributeList":[{"attributeId":"1","attributeValue":"1","productSpecId":"GD9900415"}]}]}}

其中：customerType是对象，包含offeringType对象，offeringType对象包含list对象productType，productType包含list对象productAttributeList