增加vivo支付与登录接口

package/pay/vivo/user_api.go

@@ -0,0 +1,52 @@
+package vivo
+
+import (
+	"encoding/json"
+	"fmt"
+	"github.com/gogf/gf/v2/frame/g"
+	"github.com/gogf/gf/v2/os/gctx"
+	"net/url"
+)
+
+func (p *Pay) AuthToken(bm g.Map) (rsp *TokenAuthResponse, err error) {
+	if _, ok := bm["opentoken"]; !ok {
+		return
+	}
+	//err = bm.CheckEmptyError("opentoken")
+	if err != nil {
+		return nil, err
+	}
+	bs, err := p.doAuthToken(bm)
+	if err != nil {
+		return nil, err
+	}
+	rsp = new(TokenAuthResponse)
+	if err = json.Unmarshal(bs, rsp); err != nil {
+		return nil, fmt.Errorf("json.Unmarshal(%s)：%w", string(bs), err)
+	}
+	return rsp, nil
+}
+
+func (p *Pay) doAuthToken(bm g.Map) (bs []byte, err error) {
+	param := p.FormatURLParam(bm)
+	//httpClient := xhttp.NewClient()
+	//res, bs, errs := httpClient.Type(xhttp.TypeFormData).Post(AuthTokenUrl).SendString(param).EndBytes()
+	res, err := g.Client().Post(gctx.New(), AuthTokenUrl, param)
+
+	if err != nil {
+		return nil, err
+	}
+	if res.StatusCode != 200 {
+		return nil, fmt.Errorf("HTTP Request Error, StatusCode = %d", res.StatusCode)
+	}
+	return res.ReadAll(), nil
+}
+
+// 格式化请求URL参数
+func (p *Pay) FormatURLParam(body g.Map) (urlParam string) {
+	v := url.Values{}
+	for key, value := range body {
+		v.Add(key, value.(string))
+	}
+	return v.Encode()
+}