102 lines
2.8 KiB
Lua
102 lines
2.8 KiB
Lua
local http = require("fwutils.httpclient")
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local M = {}
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-- 微信支付统一下单
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local url_pay = "https://api.mch.weixin.qq.com/pay/unifiedorder"
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-- 纯文本方式取中间内容（不使用正则）
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function extract_between(text, start_str, end_str)
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local start_pos = string.find(text, start_str, 1, true)
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if not start_pos then return nil end
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local from = start_pos + #start_str
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local end_pos = string.find(text, end_str, from, true)
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if not end_pos then return nil end
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return string.sub(text, from, end_pos - 1)
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end
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-- 验签
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M.sign = function(data,key)
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local sign_str = ""
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local keys = {}
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for k,_ in pairs(data) do
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table.insert(keys, k)
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end
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table.sort(keys)
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for i,k in ipairs(keys) do
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if i > 1 then
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sign_str = sign_str .. "&"
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end
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sign_str = sign_str .. k .. "=" .. data[k]
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end
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sign_str = sign_str .. "&key=" .. key
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return string.upper(codec.md5(sign_str))
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end
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-- 微信支付统一下单
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M.unified_order = function(appid,mch_id,openid,key,body,out_trade_no,total_fee,notify_url)
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function xml_make(data)
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local xml_data = "<xml>"
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for k,v in pairs(data) do
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xml_data = xml_data .. "<" .. k .. ">" .. v .. "</" .. k .. ">"
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end
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xml_data = xml_data .. "</xml>"
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return xml_data
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end
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local data = {
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appid = appid,
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body = body,
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mch_id = mch_id,
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nonce_str = fw.make_software_guid(),
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notify_url = notify_url,
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openid = openid,
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out_trade_no = out_trade_no,
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spbill_create_ip = request.remote_ipaddress(),
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total_fee = total_fee,
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trade_type = "JSAPI",
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}
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data.sign = M.sign(data,key)
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-- 生成XML
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local xml_data = xml_make(data)
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-- print("================xml_request=================")
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-- print(appid,"|",mch_id,"|",openid,"|",key,"|",body,"|",out_trade_no,"|",total_fee,"|",notify_url)
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-- print(xml_data)
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local result,res = http.post(url_pay,{
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["Content-Type"] = "text/xml",
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}, xml_data)
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if not result then
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return false,"request error"..res
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end
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-- print("============res=============")
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-- print(res)
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-- 取中间文本
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local result_code = extract_between(res,"<result_code><![CDATA[","]]></result_code>")
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if result_code ~= "SUCCESS" then
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return false,extract_between(res,"<err_code_des><![CDATA[","]]></err_code_des>")
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end
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local prepay_id = extract_between(res,"<prepay_id><![CDATA[","]]></prepay_id>")
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local result_data = {
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appId = appid,
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nonceStr = fw.make_software_guid(),
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package = "prepay_id=" .. prepay_id,
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signType = "MD5",
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timeStamp = string.format("%d",os.time())
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}
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result_data["paySign"] = M.sign(result_data,key)
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return true,result_data
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end
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return M
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