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client.go
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client.go
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package union
import (
"encoding/json"
"fmt"
"io/ioutil"
"net/http"
"net/url"
"strings"
)
// Client 客户端
type Client struct {
conf *Config
httpClient *http.Client
}
// NewClient ...
func NewClient(conf *Config) (client *Client, err error) {
client = &Client{
conf: conf,
httpClient: &http.Client{},
}
return
}
// Config ...
func (c *Client) Config() Config {
return *c.conf
}
// ResponseStatus 响应状态
type ResponseStatus struct {
Status int `json:"status"` // 状态值,0为成功,非0为异常
Des string `json:"des"` // 异常描述信息
}
// getExecute 执行
func (c *Client) getExecute(uri string, param interface{}) (body []byte, err error) {
var values url.Values
values, err = SignStructToParameter(param)
if err != nil {
return
}
var req *http.Request
req, err = http.NewRequest(http.MethodGet, fmt.Sprintf("%s%s?%s", c.conf.BaseURL, uri, values.Encode()), nil)
if err != nil {
return
}
var resp *http.Response
resp, err = c.httpClient.Do(req)
if err != nil {
return
}
defer resp.Body.Close()
if resp.StatusCode != 200 {
err = fmt.Errorf("请求接口状态码错误: %d", resp.StatusCode)
return
}
body, err = ioutil.ReadAll(resp.Body)
return
}
// postExecute 执行
func (c *Client) postExecute(uri string, param interface{}) (body []byte, err error) {
var values url.Values
values, err = SignStructToParameter(param)
if err != nil {
return
}
var req *http.Request
req, err = http.NewRequest(http.MethodPost, c.conf.BaseURL+uri, strings.NewReader(values.Encode()))
if err != nil {
return
}
var resp *http.Response
resp, err = c.httpClient.Do(req)
if err != nil {
return
}
defer resp.Body.Close()
if resp.StatusCode != 200 {
err = fmt.Errorf("请求接口状态码错误: %d", resp.StatusCode)
return
}
body, err = ioutil.ReadAll(resp.Body)
return
}
// GenerateLink 自助取链接口(新版)
func (c *Client) GenerateLink(req *GenerateLinkRequest) (resp *GenerateLinkResponse, err error) {
req.AppKey = c.conf.AppKey
err = req.SignMD5(c.conf.SignatureKey)
if err != nil {
return
}
var body []byte
body, err = c.getExecute("/generateLink", req)
if err != nil {
return
}
resp = new(GenerateLinkResponse)
err = json.Unmarshal(body, resp)
if err != nil {
resp = nil
return
}
if resp.Status != 0 {
err = fmt.Errorf("请求接口错误: %s", resp.Des)
return
}
return
}
// OrderList 自助取链接口(新版)
func (c *Client) OrderList(req *OrderListRequest) (resp *OrderListResponse, err error) {
req.AppKey = c.conf.AppKey
err = req.SignMD5(c.conf.SignatureKey)
if err != nil {
return
}
var body []byte
body, err = c.getExecute("/orderList", req)
if err != nil {
return
}
resp = new(OrderListResponse)
err = json.Unmarshal(body, resp)
if err != nil {
resp = nil
return
}
return
}