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103 lines
2.1 KiB
103 lines
2.1 KiB
package commonus
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import (
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"crypto/md5"
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"crypto/rand"
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"crypto/sha1"
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"encoding/hex"
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"fmt"
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"math/big"
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"strconv"
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"time"
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"gin_server_admin/commonus/snowflake"
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"gin_server_admin/global"
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)
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// import (
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// "crypto/md5"
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// "exam_server/config"
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// "fmt"
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// )
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// func Md5(str string, key ...string) string {
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// key_val := config.AppConfig.AppKey
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// if len(key) > 0 {
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// key_val = key[0]
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// }
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// str = str + key_val
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// data := []byte(str)
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// has := md5.Sum(data)
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// md5str1 := fmt.Sprintf("%x", has) //将[]byte转成16进制
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// return md5str1
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// }
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// 获取编号（副本）
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func GetFileNumberEs() (num int64) {
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node, err := snowflake.NewWorker(2)
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if err == nil {
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num = node.GetId()
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} else {
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// esult, _ := rand.Int(rand.Reader, big.NewInt(100))
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result, _ := rand.Int(rand.Reader, big.NewInt(10000))
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result64 := result.Int64()
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// timeVal := time.Now().Unix()
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timeVal := time.Now().UnixNano() / 1e6
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num, _ = strconv.ParseInt(strconv.FormatInt(timeVal, 10)+strconv.FormatInt(result64, 10), 10, 64)
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}
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return
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}
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/*
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*加密算法
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*/
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type Md5Encryption struct {
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Code string `json:"code"`
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AppKey string `json:"appKey"`
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}
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func (m *Md5Encryption) Md5EncryptionAlgorithm() (md5Val string) {
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if m.AppKey == "" {
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m.Md5EncryptionInit(m.Code)
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}
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// fmt.Printf("Code ====> %v\n", m.Code)
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// fmt.Printf("AppKey ====> %v\n", m.AppKey)
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mdNew := md5.New()
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mdNew.Write([]byte(m.AppKey))
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keyMd5 := fmt.Sprintf("%x", mdNew.Sum(nil))
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codeNewMd1 := md5.New()
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codeNewMd1.Write([]byte(m.Code))
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codeMd1 := fmt.Sprintf("%x", codeNewMd1.Sum(nil))
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yiCeng := codeMd1 + keyMd5
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yiCengNew := md5.New()
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yiCengNew.Write([]byte(yiCeng))
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yiCengMd5 := fmt.Sprintf("%x", yiCengNew.Sum(nil))
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erCeng := yiCengMd5 + m.AppKey
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erCengNew := md5.New()
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erCengNew.Write([]byte(erCeng))
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md5Val = fmt.Sprintf("%x", erCengNew.Sum(nil))
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// md5Val = codeMd1
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return
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}
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// 初始化程序
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func (m *Md5Encryption) Md5EncryptionInit(code string) {
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m.AppKey = global.GVA_CONFIG.MyConfig.AppKey
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m.Code = code
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}
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// sha1算法
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func Sha1Encryption(str string) string {
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sha1 := sha1.New()
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sha1.Write([]byte(str))
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return hex.EncodeToString(sha1.Sum(nil))
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}
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