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package client
import (
"errors"
"fmt"
"gitee.com/h79/goutils/pay/common"
"gitee.com/h79/goutils/pay/util"
"strings"
"time"
)
var defaultWxAppClient *WxAppClient
func InitWxAppClient(c *WxAppClient) {
defaultWxAppClient = c
}
// DefaultWxAppClient 默认微信app客户端
func DefaultWxAppClient() *WxAppClient {
return defaultWxAppClient
}
// WxAppClient 微信app支付
type WxAppClient struct {
WxClient
}
// Pay 支付
func (client *WxAppClient) Pay(charge *common.Charge) (map[string]string, error) {
var m = make(map[string]string)
m["appid"] = client.AppID
m["mch_id"] = client.MchID
m["nonce_str"] = util.RandomStr()
m["body"] = TruncatedText(charge.Describe, 32)
m["out_trade_no"] = charge.TradeNum
m["total_fee"] = WxMoneyFeeToString(charge.MoneyFee)
m["spbill_create_ip"] = util.LocalIP()
m["notify_url"] = charge.CallbackURL
m["trade_type"] = "APP"
m["sign_type"] = "MD5"
sign, err := WxGenSign(client.Key, m)
if err != nil {
return map[string]string{}, errors.New("WechatApp.sign: " + err.Error())
}
m["sign"] = sign
xmlRe, err := PostWx(client.PayURL, m, nil)
if err != nil {
return map[string]string{}, err
}
var c = make(map[string]string)
c["appid"] = client.AppID
c["partnerid"] = client.MchID
c["prepayid"] = xmlRe.PrepayID
c["package"] = "Sign=WXPay"
c["noncestr"] = util.RandomStr()
c["timestamp"] = fmt.Sprintf("%d", time.Now().Unix())
sign2, err := WxGenSign(client.Key, c)
if err != nil {
return map[string]string{}, errors.New("WechatApp.paySign: " + err.Error())
}
c["paySign"] = strings.ToUpper(sign2)
return c, nil
}
// 关闭订单
func (client *WxAppClient) CloseOrder(outTradeNo string) (common.WxQueryResult, error) {
return WxCloseOrder(client.AppID, client.MchID, client.Key, outTradeNo)
}
// 支付到用户的微信账号
func (client *WxAppClient) PayToClient(charge *common.Charge) (map[string]string, error) {
client.httpsClient = NewHTTPSClient(client.PublicKey, client.PrivateKey)
return WxCompanyChange(client.AppID, client.MchID, client.Key, client.httpsClient, charge)
}
// QueryOrder 查询订单
func (client *WxAppClient) QueryOrder(tradeNum string) (common.WxQueryResult, error) {
return WxQueryOrder(client.AppID, client.MchID, client.Key, tradeNum)
}
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