erlang中http请求
1..app文件中
{application,backend,[
{description,"ebank backend"},
{vsn,1.0},
{modules,[]},
{applications,[kernel,stdlib,yaws]},
{registered,[backend]},
{env,[{env,development}]},
{mod,backend_bootstrap},
{controllers,[ {{"backend","mbu"},{backend, mbu},[{decrypt, false}, {verify, false}]}
]},
{plugins,[]}]}.
2.erl文件中
handle_xmlResult(Xml_Res)->
{dict,_,_,_,_,_,_,_,Context} = Xml_Res,
io:format("==Xml_Res==========~p~n",[Xml_Res]),
{{[],[],[],[],[],[],[],[],[],[Context1],[],[],[],[],[],[]}} = Context,
Context2 = Context1 -- ["<?xml version"],
Context3 = "<?xml version = " ++ Context2,
Context3.
%%人到人被扫MBU004 C2B附加处理
mbu(Arg) ->
Xml_Res = ewp_params:from_yaws_arg(Arg),
try
Context3 = handle_xmlResult(Xml_Res),
Msg1 = list_to_binary([Context3]) ,
log4erl:info(wailian_client, Msg1),
Xml_ResUT0 = backend_msg:utf8_to_gbk(Context3),
Xml_ResUT = backend_msg:gbk_to_utf8(Xml_ResUT0),
Rx = erlang:binary_to_list(Xml_ResUT),
Res = xml_eng:xml_to_term(Rx),
Xml_ResBody = proplists:get_value('Body', proplists:get_value('Agw', Res)),
ReqType = proplists:get_value('reqType', Xml_ResBody,undefined),
case ReqType of
"0230000903" ->
mbu004(Xml_ResBody);
"0250000903" ->
mbu005(Xml_ResBody);
%% "0000000903" -> mbu006(Xml_ResBody);
_ ->
no_result end
catch
_A:_B ->
?ewp_err("=======REQUEST_SAOF_FAIL===========================~p~n~p~n",[_A,_B]),
throw(?REQUEST_SAOF_FAIL)
end.
mbu004(Xml_ResBody) ->
QrNo = proplists:get_value('qrNo', Xml_ResBody),
%%Xml_lists = proplists:get_value('currencyCode', Xml_ResBody),
TxnAmt0 = proplists:get_value('txnAmt', Xml_ResBody),
TxnAmt = list_to_integer(TxnAmt0)/100,
VOUCHERNUM = proplists:get_value('voucherNum', Xml_ResBody),
backend_db:update("update MY_PEOPLECODE_STATUSLOGS set money = :1, status = : 2, VOUCHERNUM = : 3 where qrNo = : 4 and tran_time = to_date(sysdate) ",[TxnAmt, "01", VOUCHERNUM, QrNo]),
Res = "<?xml version='1.0' encoding='utf-8'?><Agw><Head direction='response'><Trade>MBU004</Trade><Channel>05095</Channel><KeyGenerator>001234</KeyGenerator><ErrorCode>00</ErrorCode><ErrorMsg>成功</ErrorMsg></Head><Body><version>1.0.0</version><reqType>0230000903</reqType><respCode></respCode><respMsg></respMsg></Body></Agw>",
ewp_render_util:render_xml(Res).
mbu005(Xml_ResBody) ->
OrigReqType = proplists:get_value('origReqType', Xml_ResBody),
OrigRespCode = proplists:get_value('origRespCode', Xml_ResBody),
OrigRespMsg = proplists:get_value('origRespMsg', Xml_ResBody),
MerName = proplists:get_value('merName', Xml_ResBody),
VoucherNum = proplists:get_value('voucherNum', Xml_ResBody),
QrNo = proplists:get_value('qrNo', Xml_ResBody),
%%交易
case OrigReqType of
"0310000903" -> %%消费交易
case OrigRespCode of
"00" ->
backend_db:update("update MY_PEOPLECODE_STATUSLOGS set merName = : 1, VoucherNum = : 2 , status = : 3, OrigRespCode = : 4, OrigRespMsg = : 5, OrigReqType = : 6 where qrNo = : 7 and tran_time = to_date(sysdate)", [MerName,VoucherNum,"05",OrigRespCode,OrigRespMsg,OrigReqType,QrNo]);
_ ->
backend_db:update("update MY_PEOPLECODE_STATUSLOGS set merName = : 1, VoucherNum = : 2 , status = : 3, OrigRespCode = : 4, OrigRespMsg = : 5, OrigReqType = : 6 where qrNo = : 7 and tran_time = to_date(sysdate)", [MerName,VoucherNum,"09",OrigRespCode,OrigRespMsg,OrigReqType,QrNo])
end;
_ -> %%消费冲正交易0320000903、消费撤销交易0330000903、退货交易0340000903等
backend_db:update("update MY_PEOPLECODE_STATUSLOGS set merName = : 1, VoucherNum = : 2 , status = : 3, OrigRespCode = : 4, OrigRespMsg = : 5, OrigReqType = : 6 where qrNo = : 7 and tran_time = to_date(sysdate)", [MerName,VoucherNum,"09",OrigRespCode,OrigRespMsg,OrigReqType,QrNo])
end,
%%取值如果是报错，存数据库应该是错误码
Res = "<?xml version='1.0' encoding='utf-8'?><Agw><Head direction='response'><Trade>MBU005</Trade><Channel>05095</Channel><KeyGenerator>001234</KeyGenerator><ErrorCode>00</ErrorCode><ErrorMsg>成功</ErrorMsg></Head><Body><version>1.0.0</version><reqType>0250000903</reqType><respCode></respCode><respMsg></respMsg></Body></Agw>",
ewp_render_util:render_xml(Res).
%% Created: 2017-3-3
%% Description: http请求对外接口测试
test_interface(RequestBody,Interface) ->
Host = "127.0.0.1",
Port = "4003",
try
Url = "http://" ++ Host ++ ":" ++ Port ++ "/backend/" ++ Interface,
Request = {Url, "", "", RequestBody},
ewp_http_client:request({post, Request, [{timeout, 75000}],[{body_format, binary}]}),
ok
catch
_:_->
?ewp_err("request error:~p~n",["Error to delete file."])
end.
%% Created: 2017-3-3
%% Description: 异步http请求我方接口，测试方法 backend_controller:test_mbu().
test_mbu()->
%%QrNoTest= "123456", %%lists:flatten(io_lib:format("~6.10.0B",[random:uniform(999999)])),
%%RequestBody1 = "<?xml version='1.0' encoding='utf-8'?><Agw><Head direction='response'><Trade>MBU004</Trade><Channel>05095</Channel><KeyGenerator>001234</KeyGenerator><ErrorCode>0000</ErrorCode><ErrorMsg>交易成功</ErrorMsg></Head><Body><version>1.0.0</version><reqType>0230000903</reqType><qrNo>" ++ QrNoTest ++ "</qrNo><currencyCode></currencyCode><txnAmt>299</txnAmt><payerInfo></payerInfo><transAddnInfo></transAddnInfo><reqReserved></reqReserved><voucherNum></voucherNum><upReserved></upReserved><encryptCertId></encryptCertId></Body></Agw>",
RequestBody2 = "<?xml version='1.0' encoding='UTF-8'?><Agw><Head direction='request'><Trade>MBU005</Trade><ErrorMsg></ErrorMsg></Head><Body><version>1.0.0</version><signature>rrOGNTufHIwmo15Anh94xI7EZ UMMpp/mr6w4Q72ugAYurVp/xgKXzc9SZquYFMYNvZfhGtQ IhknD OW/PV5kbEHPhIgkWipH2u5nMQpQQV5YcpYtCQqvulRFb/EAsd6ObH2oQQXfVduQbihZYm6VzAHJYrvD1cnh3r9/14RBWU6jBCOTCv0NBOAluQxXFvLxJtIVqLzFWqUkngKoY4RJG2b7lqI2fkQCFDmRnOi 7THZoQkEHp4LuI/JHtCFcj/E9 5GU8KZYj0RWE8fmBBb9ner/6lQTUTJ5yL0KVobVdjyNWb1k1nnLEna542W6lZoOHCSXBbCJK6z7R3yigUQ</signature><certId>68759585097</certId><reqType>0250000903</reqType><qrNo>6222806305983432309</qrNo><currencyCode>156</currencyCode><txnAmt>30000</txnAmt><origRespCode>61</origRespCode><origRespMsg>输入的卡号无效，请确认后输入</origRespMsg><merId>777290058135880</merId><merCatCode>5811</merCatCode><merName>商户名称</merName><termId>49000002</termId><voucherNum>20170314381647956089</voucherNum><settleKey></settleKey><settleDate></settleDate><reqReserved>01</reqReserved></Body></Agw>",
_A = test_interface(RequestBody2,"mbu").
%%RequestBody2 = "<?xml version='1.0' encoding='utf-8'?><Agw><Head direction='response'><Trade>MBU005</Trade><Channel>05095</Channel><KeyGenerator>001234</KeyGenerator><ErrorCode>0000</ErrorCode><ErrorMsg>交易成功</ErrorMsg></Head><Body><version>1.0.0</version><reqType>0250000903</reqType><origReqType></origReqType><qrNo>" ++ QrNoTest ++ "</qrNo><currencyCode></currencyCode><txnAmt></txnAmt><origRespCode></origRespCode><origRespMsg></origRespMsg><merId></merId><merCatCode></merCatCode>okname<merName></merName><termId></termId><voucherNum>123456</voucherNum><settleKey></settleKey><settleDate></settleDate><reqReserved></reqReserved></Body></Agw>",
%%B = test_interface(RequestBody2,"mbu"),
%%io:format("B=============~p~n",[B]).
