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73 lines
1.9 KiB
73 lines
1.9 KiB
package kashangwl
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import (
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"encoding/json"
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"fmt"
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"github.com/bitly/go-simplejson"
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md52 "gopkg.in/dtapps/go-library.v2/md5"
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params2 "gopkg.in/dtapps/go-library.v2/params"
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string2 "gopkg.in/dtapps/go-library.v2/string"
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"io/ioutil"
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"net/http"
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"sort"
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"strings"
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"time"
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)
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const api = "http://www.kashangwl.com/api/"
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// KaShangWl 每次请求需传入以下参数
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type KaShangWl struct {
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customerId int // 商家编号
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customerKey string // 商家密钥
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}
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// Send 发送 http://cha.kashangwl.com/api-doc/
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func (w *KaShangWl) Send(msg interface{}, url string) (*simplejson.Json, error) {
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// 当前时间戳（单位：秒）
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timestamp := time.Now().UnixNano() / 1e6
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// 处理数据
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marshal, _ := json.Marshal(msg)
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newJson, _ := simplejson.NewJson(marshal)
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newJson.Set("customer_id", w.customerId)
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newJson.Set("timestamp", timestamp)
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signStr := sign(newJson, w.customerKey)
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newJson.Set("sign", signStr)
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j, e := newJson.MarshalJSON()
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if e != nil {
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return nil, e
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}
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resp, e := http.Post(api+url, "application/json", strings.NewReader(string(j)))
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if e != nil {
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return nil, e
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}
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defer resp.Body.Close()
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body, _ := ioutil.ReadAll(resp.Body)
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respJson, err := simplejson.NewJson(body)
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if err != nil {
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return nil, err
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}
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return respJson, nil
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}
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// md5(key + 参数1名称 + 参数1值 + 参数2名称 + 参数2值...) 加密源串应为{key}customer_id1192442order_id827669582783timestamp1626845767
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func sign(params *simplejson.Json, key string) string {
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var dataParams string
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// 参数按照参数名的字典升序排列
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var keys []string
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for k := range params.MustMap() {
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keys = append(keys, k)
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}
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sort.Strings(keys)
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// 拼接
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dataParams = fmt.Sprintf("%s%s", dataParams, key)
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for _, k := range keys {
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dataParams = fmt.Sprintf("%s%s%s", dataParams, k, params2.GetParamsString(params.Get(k)))
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}
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// MD5加密
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md5Str := md52.GetMD5Encode(dataParams)
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str := string2.ToLower(md5Str)
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return str
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}
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