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redpacketcover.go
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redpacketcover.go
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package redpacketcover
import (
"fmt"
"github.com/bbang94/wechat/v2/miniprogram/context"
"github.com/bbang94/wechat/v2/util"
)
const (
getRedPacketCoverURL = "https://api.weixin.qq.com/redpacketcover/wxapp/cover_url/get_by_token?access_token=%s"
)
// RedPacketCover struct
type RedPacketCover struct {
*context.Context
}
// NewRedPacketCover 实例
func NewRedPacketCover(context *context.Context) *RedPacketCover {
redPacketCover := new(RedPacketCover)
redPacketCover.Context = context
return redPacketCover
}
// GetRedPacketCoverRequest 获取微信红包封面参数
type GetRedPacketCoverRequest struct {
// openid 可领取用户的openid
OpenID string `json:"openid"`
// ctoken 在红包封面平台获取发放ctoken(需要指定可以发放的appid)
CToken string `json:"ctoken"`
}
// GetRedPacketCoverResp 获取微信红包封面
type GetRedPacketCoverResp struct {
util.CommonError
Data struct {
URL string `json:"url"`
} `json:"data"` // 唯一请求标识
}
// GetRedPacketCoverURL 获得指定用户可以领取的红包封面链接。获取参数ctoken参考微信红包封面开放平台
// 文档地址: https://developers.weixin.qq.com/miniprogram/dev/OpenApiDoc/red-packet-cover/getRedPacketCoverUrl.html
func (cover *RedPacketCover) GetRedPacketCoverURL(coderParams GetRedPacketCoverRequest) (res GetRedPacketCoverResp, err error) {
accessToken, err := cover.GetAccessToken()
if err != nil {
return
}
uri := fmt.Sprintf(getRedPacketCoverURL, accessToken)
response, err := util.PostJSON(uri, coderParams)
if err != nil {
return
}
// 使用通用方法返回错误
err = util.DecodeWithError(response, &res, "GetRedPacketCoverURL")
return
}