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47 lines
938 B
47 lines
938 B
package meituan
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import (
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"bytes"
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"crypto/md5"
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"encoding/hex"
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"encoding/json"
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"io"
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"sort"
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"strconv"
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)
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// 签名(sign)生成逻辑（新版）
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// https://union.meituan.com/v2/apiDetail?id=27
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func (c *Client) getSign(Secret string, params map[string]interface{}) 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 {
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keys = append(keys, k)
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}
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sort.Strings(keys)
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signStr := bytes.NewBufferString(Secret)
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for _, k := range keys {
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signStr.WriteString(k)
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signStr.WriteString(c.getString(params[k]))
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}
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signStr.WriteString(Secret)
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// md5加密
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has := md5.New()
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io.Copy(has, signStr)
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return hex.EncodeToString(has.Sum(nil))
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}
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func (c *Client) getString(i interface{}) string {
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switch v := i.(type) {
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case string:
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return v
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case int:
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return strconv.Itoa(v)
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case bool:
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return strconv.FormatBool(v)
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default:
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marshal, _ := json.Marshal(v)
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return string(marshal)
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}
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}
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