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58 lines
2.6 KiB
58 lines
2.6 KiB
package wechatpayapiv2
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import (
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"context"
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"encoding/xml"
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"go.dtapp.net/gorandom"
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"go.dtapp.net/gorequest"
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)
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type PayUnifiedOrderResponse struct {
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ReturnCode string `json:"return_code" xml:"return_code"` // 返回状态码
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ReturnMsg string `json:"return_msg,omitempty" xml:"return_msg,omitempty"` // 返回信息
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ResultCode string `json:"result_code,omitempty" xml:"result_code,omitempty"` // 业务结果
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ErrCode string `json:"err_code,omitempty" xml:"err_code,omitempty"` // 错误代码
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ErrCodeDes string `json:"err_code_des,omitempty" xml:"err_code_des,omitempty"` // 错误代码描述
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Appid string `json:"appid,omitempty" xml:"appid,omitempty"` // 小程序ID
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MchId string `json:"mch_id,omitempty" xml:"mch_id,omitempty"` // 商户号
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DeviceInfo string `json:"device_info,omitempty" xml:"device_info,omitempty"` // 设备号
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NonceStr string `json:"nonce_str,omitempty" xml:"nonce_str,omitempty"` // 随机字符串
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Sign string `json:"sign,omitempty" xml:"sign,omitempty"` // 签名
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TradeType string `json:"trade_type,omitempty" xml:"trade_type,omitempty"` // 交易类型
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PrepayId string `json:"prepay_id,omitempty" xml:"prepay_id,omitempty"` // 预支付交易会话标识
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CodeUrl string `json:"code_url,omitempty" xml:"code_url,omitempty"` // 二维码链接
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}
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type PayUnifiedOrderResult struct {
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Result PayUnifiedOrderResponse // 结果
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Body []byte // 内容
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Http gorequest.Response // 请求
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Err error // 错误
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}
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func newPayUnifiedOrderResult(result PayUnifiedOrderResponse, body []byte, http gorequest.Response, err error) *PayUnifiedOrderResult {
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return &PayUnifiedOrderResult{Result: result, Body: body, Http: http, Err: err}
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}
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// PayUnifiedOrder
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// 小程序支付 - 统一下单
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// https://pay.weixin.qq.com/wiki/doc/api/wxa/wxa_api.php?chapter=9_1
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func (c *Client) PayUnifiedOrder(ctx context.Context, notMustParams ...gorequest.Params) *PayUnifiedOrderResult {
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// 参数
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params := gorequest.NewParamsWith(notMustParams...)
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params.Set("appid", c.GetAppId()) // 小程序ID
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params.Set("mch_id", c.GetMchId()) // 商户号
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params.Set("nonce_str", gorandom.Alphanumeric(32)) // 随机字符串
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// 签名
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params.Set("sign", c.getMd5Sign(params))
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// 请求
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request, err := c.request(ctx, apiUrl+"/pay/unifiedorder", params, false, nil)
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// 定义
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var response PayUnifiedOrderResponse
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err = xml.Unmarshal(request.ResponseBody, &response)
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return newPayUnifiedOrderResult(response, request.ResponseBody, request, err)
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}
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