@ -0,0 +1,387 @@ | |||||
package helper | |||||
import ( | |||||
"bytes" | |||||
"encoding/base64" | |||||
"encoding/hex" | |||||
"errors" | |||||
"git.tetele.net/tgo/crypter" | |||||
"github.com/ZZMarquis/gm/sm2" | |||||
"github.com/ZZMarquis/gm/sm3" | |||||
jsoniter "github.com/json-iterator/go" | |||||
"io/ioutil" | |||||
"log" | |||||
"math/big" | |||||
"net/http" | |||||
"reflect" | |||||
"sort" | |||||
"strings" | |||||
"time" | |||||
) | |||||
var json = jsoniter.ConfigCompatibleWithStandardLibrary | |||||
// 合并map数据 | |||||
func MergeMapData(x, y map[string]interface{}) map[string]interface{} { | |||||
n := make(map[string]interface{}) | |||||
for i, v := range x { | |||||
for j, w := range y { | |||||
if i == j { | |||||
n[i] = w | |||||
} else { | |||||
if _, ok := n[i]; !ok { | |||||
n[i] = v | |||||
} | |||||
if _, ok := n[j]; !ok { | |||||
n[j] = w | |||||
} | |||||
} | |||||
} | |||||
} | |||||
return n | |||||
} | |||||
// 针对传参为json或者数组类型的字段,进行字符串排序 | |||||
func HttpBuildSort(data map[string]interface{}) string { | |||||
keySlice := []string{} | |||||
for k, _ := range data { | |||||
keySlice = append(keySlice, k) | |||||
} | |||||
// 排序字符串 | |||||
sort.Strings(keySlice) | |||||
res := make(map[string]interface{}, 0) | |||||
for _, value := range keySlice { | |||||
data_val := ToStr(data[value]) | |||||
if value != "" && data_val != "" { | |||||
res[value] = data_val | |||||
} | |||||
} | |||||
res_byte, _ := json.Marshal(res) | |||||
return string(res_byte) | |||||
} | |||||
// body参数处理 | |||||
func FormatBodyData(body map[string]interface{}) map[string]interface{} { | |||||
data := map[string]interface{}{} | |||||
if len(body) > 0 { | |||||
for k, v := range body { | |||||
typeOfA := reflect.TypeOf(v) | |||||
if typeOfA.Kind().String() == "map" { | |||||
build_str_format, _ := InterfaceToMapInterface(v) | |||||
if len(build_str_format) < 1 { | |||||
continue | |||||
} | |||||
// json键值对处理 | |||||
data[k] = HttpBuildSort(build_str_format) | |||||
// log.Println("排序后的数据: ", data[k]) | |||||
} else if typeOfA.Kind().String() == "slice" { | |||||
val_slice := []interface{}{} | |||||
// json键值对处理 | |||||
for _, val_inter := range v.([]interface{}) { | |||||
val_map, _ := InterfaceToMapInterface(val_inter) | |||||
each_val := HttpBuildSort(val_map) | |||||
val_slice = append(val_slice, each_val) | |||||
} | |||||
if len(val_slice) < 1 { | |||||
continue | |||||
} | |||||
data[k] = val_slice | |||||
// log.Println("排序后的数据: ", data[k]) | |||||
} else { | |||||
data[k] = v | |||||
} | |||||
} | |||||
} | |||||
return data | |||||
} | |||||
// 字符串排序拼接 | |||||
func CmbHttpBuildQuery(data map[string]interface{}, filter_sign bool) string { | |||||
keySlice := []string{} | |||||
// 剔除sign字段 | |||||
for k, _ := range data { | |||||
if filter_sign && k == "sign" { | |||||
continue | |||||
} | |||||
keySlice = append(keySlice, k) | |||||
} | |||||
// 排序字符串 | |||||
sort.Strings(keySlice) | |||||
var query string | |||||
for _, value := range keySlice { | |||||
if value != "" && data[value] != "" { | |||||
query += StringJoin(value, "=", ToStr(data[value]), "&") | |||||
} | |||||
} | |||||
build_str := strings.Trim(query, "&") | |||||
return build_str | |||||
} | |||||
// 生成签名sign--聚合支付 | |||||
func SetSign(data map[string]interface{}, privateKey string) string { | |||||
build_str := CmbHttpBuildQuery(data, true) | |||||
priv := new(sm2.PrivateKey) | |||||
priv.Curve = sm2.GetSm2P256V1() | |||||
dBytes, _ := hex.DecodeString(privateKey) | |||||
priv.D = new(big.Int).SetBytes(dBytes) | |||||
signature, err := sm2.Sign(priv, []byte("1234567812345678"), []byte(build_str)) | |||||
if err != nil { | |||||
log.Println("国密加密异常", err) | |||||
return "" | |||||
} | |||||
sign := base64.StdEncoding.EncodeToString(signature) | |||||
return sign | |||||
} | |||||
// 创建请求头信息--聚合支付 | |||||
func HeaderInfo(appid, secret, sign string) map[string]string { | |||||
if appid == "" || secret == "" || sign == "" { | |||||
return map[string]string{} | |||||
} | |||||
headerData := map[string]string{} | |||||
headerData["appid"] = appid | |||||
headerData["sign"] = sign | |||||
headerData["secret"] = secret | |||||
headerData["timestamp"] = ToStr(time.Now().Unix()) | |||||
build_str := CmbHttpBuildQuery(MapStringToInterface(headerData), false) | |||||
headerData["apisign"] = crypter.Md5Str(build_str) | |||||
delete(headerData, "sign") | |||||
delete(headerData, "secret") | |||||
return headerData | |||||
} | |||||
// 接口验签--各客户端请求我们接口验签 | |||||
func CheckSign(appid, app_secret, timeStamp, nonce, sign string, body map[string]interface{}) error { | |||||
/*time_now := time.Now().Unix() | |||||
if time_now-ToInt64(timeStamp) > 10 { | |||||
return errors.New("请求时间超出范围,拒绝访问") | |||||
}*/ | |||||
sign_info := map[string]interface{}{ | |||||
"appid": appid, | |||||
"timestamp": timeStamp, | |||||
"nonce": nonce, | |||||
} | |||||
if len(body) > 0 { | |||||
body_format := FormatBodyDataNoList(body) | |||||
sign_info = MergeMapData(sign_info, body_format) | |||||
} | |||||
str := CmbHttpBuildQuery(sign_info, false) + "&" + app_secret | |||||
sign_str := crypter.Md5Str(str) | |||||
if sign_str != sign { | |||||
return errors.New("签名不正确") | |||||
} | |||||
return nil | |||||
} | |||||
// post 请求 | |||||
func PostJsonData(url string, param interface{}, headerinfo map[string]string) ([]byte, error) { | |||||
httpClient := &http.Client{} | |||||
params, err := json.Marshal(param) | |||||
if err != nil { | |||||
return []byte(""), err | |||||
} | |||||
req, err := http.NewRequest("POST", url, bytes.NewBuffer(params)) | |||||
if err != nil { | |||||
return []byte(""), err | |||||
} | |||||
req.Header.Set("Content-Type", "application/json") | |||||
if len(headerinfo) > 0 { | |||||
for k, v := range headerinfo { | |||||
req.Header[k] = []string{v} | |||||
} | |||||
} | |||||
resp, err := httpClient.Do(req) | |||||
if err != nil { | |||||
return []byte(""), err | |||||
} | |||||
defer resp.Body.Close() | |||||
body, err := ioutil.ReadAll(resp.Body) | |||||
if err != nil { | |||||
return []byte(""), err | |||||
} | |||||
return body, nil | |||||
} | |||||
func SetSignsm3(data map[string]interface{}) string { | |||||
build_str := HttpBuildjson(data, false) | |||||
h := sm3.New() | |||||
h.Write([]byte(build_str)) | |||||
sum := h.Sum(nil) | |||||
sign := hex.EncodeToString(sum) | |||||
return sign | |||||
} | |||||
func CashierHeaderInfoCompany(appid, secret, sign, private_key string) map[string]string { | |||||
if appid == "" || secret == "" || sign == "" || private_key == "" { | |||||
return map[string]string{} | |||||
} | |||||
headerData := map[string]string{} | |||||
headerData["appid"] = appid | |||||
headerData["sign"] = sign | |||||
headerData["secret"] = secret | |||||
headerData["timestamp"] = ToStr(time.Now().Unix()) | |||||
headerData["apisign"] = SetSignhex(headerData, private_key) | |||||
headerData["verify"] = "SM3withSM2" | |||||
delete(headerData, "secret") | |||||
return headerData | |||||
} | |||||
// 生成签名sign | |||||
func SetSignhex(data map[string]string, privateKey string) string { | |||||
build_str := CmbHttpBuildQuery(MapStringToInterface(data), false) | |||||
priv := new(sm2.PrivateKey) | |||||
priv.Curve = sm2.GetSm2P256V1() | |||||
dBytes, _ := hex.DecodeString(privateKey) | |||||
priv.D = new(big.Int).SetBytes(dBytes) | |||||
sign, _ := sm2.Sign(priv, []byte("1234567812345678"), []byte(build_str)) | |||||
sign = SM2Asn1ToRaw(sign) | |||||
return hex.EncodeToString(sign) | |||||
} | |||||
func SM2Asn1ToRaw(data []byte) []byte { | |||||
i := 3 | |||||
ret := []byte{} | |||||
if data[i] == 32 { | |||||
i = i + 1 | |||||
} else if data[i] == 33 { | |||||
i = i + 2 | |||||
} | |||||
for k := 0; k < 32; k++ { | |||||
ret = append(ret, data[i+k]) | |||||
} | |||||
i = i + 32 | |||||
i = i + 1 | |||||
if data[i] == 32 { | |||||
i = i + 1 | |||||
} else if data[i] == 33 { | |||||
i = i + 2 | |||||
} | |||||
for k := 0; k < 32; k++ { | |||||
ret = append(ret, data[i+k]) | |||||
} | |||||
return ret | |||||
} | |||||
// 字符串排序拼接 | |||||
func HttpBuildjson(data map[string]interface{}, filter_sign bool) string { | |||||
keySlice := []string{} | |||||
res := map[string]interface{}{} | |||||
// 剔除sign字段 | |||||
for k, _ := range data { | |||||
if filter_sign && k == "sign" { | |||||
continue | |||||
} | |||||
keySlice = append(keySlice, k) | |||||
} | |||||
// 排序字符串 | |||||
sort.Strings(keySlice) | |||||
for _, value := range keySlice { | |||||
if value != "" && data[value] != "" { | |||||
res[value] = data[value] | |||||
} | |||||
} | |||||
ss, _ := json.Marshal(res) | |||||
return string(ss) | |||||
} | |||||
// body参数处理 | |||||
func FormatBodyDataNoList(body map[string]interface{}) map[string]interface{} { | |||||
data := map[string]interface{}{} | |||||
if len(body) > 0 { | |||||
for k, v := range body { | |||||
typeOfA := reflect.TypeOf(v) | |||||
if typeOfA.Kind().String() == "map" || typeOfA.Kind().String() == "slice" { | |||||
continue | |||||
} else { | |||||
if typeOfA.Kind().String() == "string" { | |||||
if ToStr(v) != "" { | |||||
data[k] = v | |||||
} | |||||
} | |||||
} | |||||
} | |||||
} | |||||
return data | |||||
} | |||||
// 聚合支付异步回调验签 | |||||
func JhNotifyCheckSign(sign, public_key string, data map[string]string) bool { | |||||
build_sort_str := CmbHttpBuildQuery(MapStringToInterface(data), true) | |||||
pub_x := "" | |||||
pub_y := "" | |||||
// 私钥截取 | |||||
if len(public_key) == 128 { | |||||
pub_x = public_key[:64] | |||||
pub_y = public_key[64:] | |||||
} else if len(public_key) == 130 && (public_key[:2] == "04") { | |||||
public_key = public_key[2:] | |||||
pub_x = public_key[:64] | |||||
pub_y = public_key[64:] | |||||
} else { | |||||
log.Println("异步验签公钥出错", public_key) | |||||
return false | |||||
} | |||||
sign_b64, _ := base64.StdEncoding.DecodeString(sign) | |||||
pub := new(sm2.PublicKey) | |||||
pub.Curve = sm2.GetSm2P256V1() | |||||
xBytes, _ := hex.DecodeString(pub_x) | |||||
yBytes, _ := hex.DecodeString(pub_y) | |||||
pub.X = new(big.Int).SetBytes(xBytes) | |||||
pub.Y = new(big.Int).SetBytes(yBytes) | |||||
result := sm2.Verify(pub, []byte("1234567812345678"), []byte(build_sort_str), sign_b64) | |||||
if !result { | |||||
return false | |||||
} | |||||
return true | |||||
} |
@ -1,3 +1,10 @@ | |||||
module git.tetele.net/tgo/helper | module git.tetele.net/tgo/helper | ||||
go 1.14 | go 1.14 | ||||
require ( | |||||
git.tetele.net/tgo/crypter v0.2.2 | |||||
github.com/ZZMarquis/gm v1.3.2 | |||||
github.com/json-iterator/go v1.1.12 | |||||
golang.org/x/crypto v0.0.0-20220829220503-c86fa9a7ed90 // indirect | |||||
) |
@ -0,0 +1,28 @@ | |||||
git.tetele.net/tgo/crypter v0.2.2 h1:YMQJh2Gj5Po4ZfelJUmXBKi01UbmtiSy3bmqRfnYQMo= | |||||
git.tetele.net/tgo/crypter v0.2.2/go.mod h1:vfvRLZA8+lHNgNXneOcgvVhDyuv25ZRb+C6xHOmXNx0= | |||||
github.com/ZZMarquis/gm v1.3.2 h1:lFtpzg5zeeVMZ/gKi0gtYcKLBEo9XTqsZDHDz6s3Gow= | |||||
github.com/ZZMarquis/gm v1.3.2/go.mod h1:wWbjZYgruQVd7Bb8UkSN8ujU931kx2XUW6nZLCiDE0Q= | |||||
github.com/davecgh/go-spew v1.1.0/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38= | |||||
github.com/davecgh/go-spew v1.1.1 h1:vj9j/u1bqnvCEfJOwUhtlOARqs3+rkHYY13jYWTU97c= | |||||
github.com/davecgh/go-spew v1.1.1/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38= | |||||
github.com/google/gofuzz v1.0.0/go.mod h1:dBl0BpW6vV/+mYPU4Po3pmUjxk6FQPldtuIdl/M65Eg= | |||||
github.com/json-iterator/go v1.1.12 h1:PV8peI4a0ysnczrg+LtxykD8LfKY9ML6u2jnxaEnrnM= | |||||
github.com/json-iterator/go v1.1.12/go.mod h1:e30LSqwooZae/UwlEbR2852Gd8hjQvJoHmT4TnhNGBo= | |||||
github.com/modern-go/concurrent v0.0.0-20180228061459-e0a39a4cb421 h1:ZqeYNhU3OHLH3mGKHDcjJRFFRrJa6eAM5H+CtDdOsPc= | |||||
github.com/modern-go/concurrent v0.0.0-20180228061459-e0a39a4cb421/go.mod h1:6dJC0mAP4ikYIbvyc7fijjWJddQyLn8Ig3JB5CqoB9Q= | |||||
github.com/modern-go/reflect2 v1.0.2 h1:xBagoLtFs94CBntxluKeaWgTMpvLxC4ur3nMaC9Gz0M= | |||||
github.com/modern-go/reflect2 v1.0.2/go.mod h1:yWuevngMOJpCy52FWWMvUC8ws7m/LJsjYzDa0/r8luk= | |||||
github.com/pmezard/go-difflib v1.0.0 h1:4DBwDE0NGyQoBHbLQYPwSUPoCMWR5BEzIk/f1lZbAQM= | |||||
github.com/pmezard/go-difflib v1.0.0/go.mod h1:iKH77koFhYxTK1pcRnkKkqfTogsbg7gZNVY4sRDYZ/4= | |||||
github.com/stretchr/objx v0.1.0/go.mod h1:HFkY916IF+rwdDfMAkV7OtwuqBVzrE8GR6GFx+wExME= | |||||
github.com/stretchr/testify v1.3.0 h1:TivCn/peBQ7UY8ooIcPgZFpTNSz0Q2U6UrFlUfqbe0Q= | |||||
github.com/stretchr/testify v1.3.0/go.mod h1:M5WIy9Dh21IEIfnGCwXGc5bZfKNJtfHm1UVUgZn+9EI= | |||||
golang.org/x/crypto v0.0.0-20220829220503-c86fa9a7ed90 h1:Y/gsMcFOcR+6S6f3YeMKl5g+dZMEWqcz5Czj/GWYbkM= | |||||
golang.org/x/crypto v0.0.0-20220829220503-c86fa9a7ed90/go.mod h1:IxCIyHEi3zRg3s0A5j5BB6A9Jmi73HwBIUl50j+osU4= | |||||
golang.org/x/net v0.0.0-20211112202133-69e39bad7dc2/go.mod h1:9nx3DQGgdP8bBQD5qxJ1jj9UTztislL4KSBs9R2vV5Y= | |||||
golang.org/x/sys v0.0.0-20201119102817-f84b799fce68/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs= | |||||
golang.org/x/sys v0.0.0-20210423082822-04245dca01da/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs= | |||||
golang.org/x/sys v0.0.0-20210615035016-665e8c7367d1/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg= | |||||
golang.org/x/term v0.0.0-20201126162022-7de9c90e9dd1/go.mod h1:bj7SfCRtBDWHUb9snDiAeCFNEtKQo2Wmx5Cou7ajbmo= | |||||
golang.org/x/text v0.3.6/go.mod h1:5Zoc/QRtKVWzQhOtBMvqHzDpF6irO9z98xDceosuGiQ= | |||||
golang.org/x/tools v0.0.0-20180917221912-90fa682c2a6e/go.mod h1:n7NCudcB/nEzxVGmLbDWY5pfWTLqBcC2KZ6jyYvM4mQ= |
@ -0,0 +1,39 @@ | |||||
package helper | |||||
import ( | |||||
"testing" | |||||
) | |||||
func Test_HttpBuildQuery(t *testing.T) { | |||||
a := map[string]interface{}{"id": "11", "name": "8", "price": "2.3"} | |||||
b := map[string]interface{}{"id": "4", "name": "7", "price": "2.8"} | |||||
c := map[string]interface{}{"id": "3", "name": "9", "price": "2.1"} | |||||
list := []map[string]interface{}{} | |||||
list = append(list, a) | |||||
list = append(list, b) | |||||
list = append(list, c) | |||||
//ret := HttpBuildQuery(list) | |||||
ret, err := MapSort("desc", "id", "float64", list) | |||||
if err != nil { | |||||
} | |||||
t.Log(ret) | |||||
} | |||||
func Test_SetMapFirstToUpper(t *testing.T) { | |||||
a := map[string]interface{}{"id": "11", "name": "8", "a_c": 99, "price": "2.3", "cc_dd_ee": 22} | |||||
ret := SetMapFirstToUpper(a) | |||||
t.Log(ret) | |||||
} | |||||
func Test_MergeMaps(t *testing.T) { | |||||
a := map[string]string{"a": "1", "b": "2", "c": "3"} | |||||
b := map[string]string{"e": "5", "f": "6", "g": "7"} | |||||
// c := map[string]string{"a": "0", "h": "8", "f": "10"} | |||||
ret := MergeMaps(a, b) | |||||
t.Log(ret) | |||||
} |
@ -0,0 +1,44 @@ | |||||
package helper | |||||
import ( | |||||
"crypto/rand" | |||||
"math/big" | |||||
) | |||||
/** | |||||
* 获取int类型的区间随机数 | |||||
*/ | |||||
func GetRandInt(min, max int) (r int, err error) { | |||||
_r, err := GetRandInt64(int64(min), int64(max)) | |||||
if err != nil { | |||||
return | |||||
} | |||||
r = int(_r) | |||||
return | |||||
} | |||||
/** | |||||
* 获取int64类型的区间随机数 | |||||
*/ | |||||
func GetRandInt64(min, max int64) (r int64, err error) { | |||||
if min == max { | |||||
r = min | |||||
return | |||||
} | |||||
if min > max { | |||||
max, min = min, max | |||||
} | |||||
result, err := rand.Int(rand.Reader, big.NewInt(max-min)) | |||||
if err != nil { | |||||
return | |||||
} | |||||
r = result.Int64() + min | |||||
b, err := rand.Int(rand.Reader, big.NewInt(2)) | |||||
if err == nil && b.Int64() == 1 { | |||||
r += 1 | |||||
} | |||||
return | |||||
} |
@ -0,0 +1,115 @@ | |||||
/* | |||||
* string functions | |||||
*/ | |||||
package helper | |||||
import ( | |||||
"errors" | |||||
"fmt" | |||||
"sort" | |||||
) | |||||
// 求差集 | |||||
func Diff(slice1, slice2 []string) []string { | |||||
m := make(map[string]int) | |||||
nn := make([]string, 0) | |||||
inter := Intersect(slice1, slice2) | |||||
for _, v := range inter { | |||||
m[v]++ | |||||
} | |||||
for _, value := range slice1 { | |||||
times, _ := m[value] | |||||
if times == 0 { | |||||
nn = append(nn, value) | |||||
} | |||||
} | |||||
return nn | |||||
} | |||||
// 求交集 | |||||
func Intersect(slice1, slice2 []string) []string { | |||||
m := make(map[string]int) | |||||
nn := make([]string, 0) | |||||
for _, v := range slice1 { | |||||
m[v]++ | |||||
} | |||||
for _, v := range slice2 { | |||||
times, _ := m[v] | |||||
if times == 1 { | |||||
nn = append(nn, v) | |||||
} | |||||
} | |||||
return nn | |||||
} | |||||
// 求并集 | |||||
func Union(slice1, slice2 []string) []string { | |||||
m := make(map[string]int) | |||||
for _, v := range slice1 { | |||||
m[v]++ | |||||
} | |||||
for _, v := range slice2 { | |||||
times, _ := m[v] | |||||
if times == 0 { | |||||
slice1 = append(slice1, v) | |||||
} | |||||
} | |||||
return slice1 | |||||
} | |||||
func Unique(originals interface{}) (interface{}, error) { | |||||
temp := map[string]struct{}{} | |||||
switch slice := originals.(type) { | |||||
case []string: | |||||
result := make([]string, 0, len(originals.([]string))) | |||||
for _, item := range slice { | |||||
key := fmt.Sprint(item) | |||||
if _, ok := temp[key]; !ok { | |||||
temp[key] = struct{}{} | |||||
result = append(result, item) | |||||
} | |||||
} | |||||
return result, nil | |||||
case []int64: | |||||
result := make([]int64, 0, len(originals.([]int64))) | |||||
for _, item := range slice { | |||||
key := fmt.Sprint(item) | |||||
if _, ok := temp[key]; !ok { | |||||
temp[key] = struct{}{} | |||||
result = append(result, item) | |||||
} | |||||
} | |||||
return result, nil | |||||
default: | |||||
return nil, errors.New(fmt.Sprintf("Unknown type: %T", slice)) | |||||
} | |||||
} | |||||
// 将切片字符串(数字型)排序 | |||||
func StringSliceSort(str []string, sort_type string) ([]string, error) { | |||||
int_arr := []int{} | |||||
string_arr := []string{} | |||||
if len(str) < 1 { | |||||
return []string{}, nil | |||||
} | |||||
for _, val := range str { | |||||
int_arr = append(int_arr, ToInt(val)) | |||||
} | |||||
if sort_type == "desc" { | |||||
sort.Sort(sort.Reverse(sort.IntSlice(int_arr))) | |||||
}else{ | |||||
sort.Ints(int_arr) | |||||
} | |||||
for _, val_int := range int_arr { | |||||
string_arr = append(string_arr, ToStr(val_int)) | |||||
} | |||||
return string_arr, nil | |||||
} |
@ -0,0 +1,41 @@ | |||||
package helper | |||||
import ( | |||||
"fmt" | |||||
"testing" | |||||
) | |||||
func Test_Diff(t *testing.T) { | |||||
var aa = []string{"43", "33"} | |||||
var bb = []string{"2", "33", "1"} | |||||
cc := Diff(aa, bb) | |||||
fmt.Println(cc) | |||||
} | |||||
func Test_Intersect(t *testing.T) { | |||||
var aa = []string{"43", "33"} | |||||
var bb = []string{"2", "33", "1"} | |||||
cc := Intersect(aa, bb) | |||||
fmt.Println(cc) | |||||
} | |||||
func Test_Union(t *testing.T) { | |||||
var aa = []string{"43", "33"} | |||||
var bb = []string{"2", "33", "1"} | |||||
cc := Union(aa, bb) | |||||
fmt.Println(cc) | |||||
} | |||||
func Test_Unique(t *testing.T) { | |||||
var str = []string{"1", "2", "2"} | |||||
ret, err := Unique(str) | |||||
fmt.Println(ret, err) | |||||
} | |||||
func Test_StringSliceSort(t *testing.T) { | |||||
var str = []string{"10", "2", "5"} | |||||
ret, err := StringSliceSort(str,"asc") | |||||
fmt.Println(ret, err) | |||||
ret2, err := StringSliceSort(str,"desc") | |||||
fmt.Println(ret2, err) | |||||
} |
@ -0,0 +1,62 @@ | |||||
package helper | |||||
import ( | |||||
"sync" | |||||
"time" | |||||
) | |||||
// Snowflake 结构体 | |||||
type Snowflake struct { | |||||
mu sync.Mutex | |||||
startTime int64 // 起始时间戳,可以根据实际需求设置 | |||||
machineID int64 // 机器ID | |||||
sequenceNum int64 // 序列号 | |||||
} | |||||
// NewSnowflake 创建一个Snowflake实例 | |||||
func NewSnowflake(machineID int64) *Snowflake { | |||||
return &Snowflake{ | |||||
startTime: getTimeStamp(), | |||||
machineID: machineID, | |||||
sequenceNum: 0, | |||||
} | |||||
} | |||||
// Generate 生成一个唯一ID | |||||
func (s *Snowflake) Generate() int64 { | |||||
s.mu.Lock() | |||||
defer s.mu.Unlock() | |||||
currentTime := getTimeStamp() | |||||
// 如果当前时间小于上一次生成ID的时间,说明时钟回拨,需要等待 | |||||
if currentTime < s.startTime { | |||||
time.Sleep(time.Duration(s.startTime - currentTime)) | |||||
currentTime = getTimeStamp() | |||||
} | |||||
// 如果是同一毫秒内生成的ID,需要增加序列号 | |||||
if currentTime == s.startTime { | |||||
s.sequenceNum++ | |||||
} else { | |||||
s.sequenceNum = 0 | |||||
s.startTime = currentTime | |||||
} | |||||
// 如果序列号超过了12位的最大值,等待下一毫秒再生成ID | |||||
if s.sequenceNum >= 1<<12 { | |||||
time.Sleep(time.Millisecond) | |||||
s.startTime = getTimeStamp() | |||||
s.sequenceNum = 0 | |||||
} | |||||
// 生成ID | |||||
id := (currentTime-s.startTime)<<22 | (s.machineID << 12) | s.sequenceNum | |||||
return id | |||||
} | |||||
// 获取当前时间戳(毫秒级) | |||||
func getTimeStamp() int64 { | |||||
return time.Now().UnixNano() / int64(time.Millisecond) | |||||
} |
@ -0,0 +1,16 @@ | |||||
package helper | |||||
import ( | |||||
"testing" | |||||
) | |||||
func Test_snowflake(t *testing.T) { | |||||
// 创建一个Snowflake实例 | |||||
snowflake := NewSnowflake(169379266710) | |||||
// 生成10个唯一ID并输出 | |||||
for i := 0; i < 10; i++ { | |||||
id := snowflake.Generate() | |||||
t.Log(id) | |||||
} | |||||
} |
@ -0,0 +1,149 @@ | |||||
package helper | |||||
import ( | |||||
"errors" | |||||
"fmt" | |||||
"reflect" | |||||
) | |||||
// 结构体泛型提取关键数据 | |||||
// desk结构体, input提取数据源, columnKey提取的字段,indexKey提取的下标 | |||||
func StructColumn(desk, input interface{}, columnKey, indexKey string) (err error) { | |||||
deskValue := reflect.ValueOf(desk) | |||||
if deskValue.Kind() != reflect.Ptr { | |||||
return errors.New("desk must be ptr") | |||||
} | |||||
rv := reflect.ValueOf(input) | |||||
if rv.Kind() != reflect.Slice && rv.Kind() != reflect.Array { | |||||
return errors.New("input must be map slice or array") | |||||
} | |||||
rt := reflect.TypeOf(input) | |||||
if rt.Elem().Kind() != reflect.Struct { | |||||
return errors.New("input's elem must be struct") | |||||
} | |||||
if len(indexKey) > 0 { | |||||
return structIndexColumn(desk, input, columnKey, indexKey) | |||||
} | |||||
return structColumn(desk, input, columnKey) | |||||
} | |||||
func structColumn(desk, input interface{}, columnKey string) (err error) { | |||||
if len(columnKey) == 0 { | |||||
return errors.New("columnKey cannot not be empty") | |||||
} | |||||
deskElemType := reflect.TypeOf(desk).Elem() | |||||
if deskElemType.Kind() != reflect.Slice { | |||||
return errors.New("desk must be slice") | |||||
} | |||||
rv := reflect.ValueOf(input) | |||||
rt := reflect.TypeOf(input) | |||||
var columnVal reflect.Value | |||||
deskValue := reflect.ValueOf(desk) | |||||
direct := reflect.Indirect(deskValue) | |||||
for i := 0; i < rv.Len(); i++ { | |||||
columnVal, err = findStructValByColumnKey(rv.Index(i), rt.Elem(), columnKey) | |||||
if err != nil { | |||||
return | |||||
} | |||||
if deskElemType.Elem().Kind() != columnVal.Kind() { | |||||
return errors.New(fmt.Sprintf("your slice must be []%s", columnVal.Kind())) | |||||
} | |||||
direct.Set(reflect.Append(direct, columnVal)) | |||||
} | |||||
return | |||||
} | |||||
func findStructValByColumnKey(curVal reflect.Value, elemType reflect.Type, columnKey string) (columnVal reflect.Value, err error) { | |||||
columnExist := false | |||||
for i := 0; i < elemType.NumField(); i++ { | |||||
curField := curVal.Field(i) | |||||
if elemType.Field(i).Name == columnKey { | |||||
columnExist = true | |||||
columnVal = curField | |||||
continue | |||||
} | |||||
} | |||||
if !columnExist { | |||||
return columnVal, errors.New(fmt.Sprintf("columnKey %s not found in %s's field", columnKey, elemType)) | |||||
} | |||||
return | |||||
} | |||||
func structIndexColumn(desk, input interface{}, columnKey, indexKey string) (err error) { | |||||
deskValue := reflect.ValueOf(desk) | |||||
if deskValue.Elem().Kind() != reflect.Map { | |||||
return errors.New("desk must be map") | |||||
} | |||||
deskElem := deskValue.Type().Elem() | |||||
if len(columnKey) == 0 && deskElem.Elem().Kind() != reflect.Struct { | |||||
return errors.New(fmt.Sprintf("desk's elem expect struct, got %s", deskElem.Elem().Kind())) | |||||
} | |||||
rv := reflect.ValueOf(input) | |||||
rt := reflect.TypeOf(input) | |||||
elemType := rt.Elem() | |||||
var indexVal, columnVal reflect.Value | |||||
direct := reflect.Indirect(deskValue) | |||||
mapReflect := reflect.MakeMap(deskElem) | |||||
deskKey := deskValue.Type().Elem().Key() | |||||
for i := 0; i < rv.Len(); i++ { | |||||
curVal := rv.Index(i) | |||||
indexVal, columnVal, err = findStructValByIndexKey(curVal, elemType, indexKey, columnKey) | |||||
if err != nil { | |||||
return | |||||
} | |||||
if deskKey.Kind() != indexVal.Kind() { | |||||
return errors.New(fmt.Sprintf("cant't convert %s to %s, your map'key must be %s", indexVal.Kind(), deskKey.Kind(), indexVal.Kind())) | |||||
} | |||||
if len(columnKey) == 0 { | |||||
mapReflect.SetMapIndex(indexVal, curVal) | |||||
direct.Set(mapReflect) | |||||
} else { | |||||
if deskElem.Elem().Kind() != columnVal.Kind() { | |||||
return errors.New(fmt.Sprintf("your map must be map[%s]%s", indexVal.Kind(), columnVal.Kind())) | |||||
} | |||||
mapReflect.SetMapIndex(indexVal, columnVal) | |||||
direct.Set(mapReflect) | |||||
} | |||||
} | |||||
return | |||||
} | |||||
func findStructValByIndexKey(curVal reflect.Value, elemType reflect.Type, indexKey, columnKey string) (indexVal, columnVal reflect.Value, err error) { | |||||
indexExist := false | |||||
columnExist := false | |||||
for i := 0; i < elemType.NumField(); i++ { | |||||
curField := curVal.Field(i) | |||||
if elemType.Field(i).Name == indexKey { | |||||
switch curField.Kind() { | |||||
case reflect.String, reflect.Int64, reflect.Int32, reflect.Int16, reflect.Int8, reflect.Int, reflect.Float64, reflect.Float32: | |||||
indexExist = true | |||||
indexVal = curField | |||||
default: | |||||
return indexVal, columnVal, errors.New("indexKey must be int float or string") | |||||
} | |||||
} | |||||
if elemType.Field(i).Name == columnKey { | |||||
columnExist = true | |||||
columnVal = curField | |||||
continue | |||||
} | |||||
} | |||||
if !indexExist { | |||||
return indexVal, columnVal, errors.New(fmt.Sprintf("indexKey %s not found in %s's field", indexKey, elemType)) | |||||
} | |||||
if len(columnKey) > 0 && !columnExist { | |||||
return indexVal, columnVal, errors.New(fmt.Sprintf("columnKey %s not found in %s's field", columnKey, elemType)) | |||||
} | |||||
return | |||||
} |
@ -0,0 +1,47 @@ | |||||
package helper | |||||
import ( | |||||
"testing" | |||||
) | |||||
type User struct { | |||||
ID int | |||||
NAME string | |||||
} | |||||
type UserString struct { | |||||
ID string | |||||
NAME string | |||||
} | |||||
func Test_structColumn(t *testing.T) { | |||||
user1 := UserString{ | |||||
ID: "2", | |||||
NAME: "zwk", | |||||
} | |||||
user2 := UserString{ | |||||
ID: "3", | |||||
NAME: "zzz", | |||||
} | |||||
var list3 []UserString | |||||
list3 = append(list3, user1) | |||||
list3 = append(list3, user2) | |||||
t.Log(list3) | |||||
t.Log("---------------------") | |||||
var userMap map[string]string | |||||
StructColumn(&userMap, list3, "NAME", "ID") | |||||
t.Logf("%#v\n", userMap) | |||||
t.Log("---------------------") | |||||
var userMap1 map[int]UserString | |||||
StructColumn(&userMap1, list3, "", "ID") | |||||
t.Logf("%#v\n", userMap1) | |||||
t.Log("---------------------") | |||||
var userSlice []string | |||||
StructColumn(&userSlice, list3, "ID", "") | |||||
t.Logf("%#v\n", userSlice) | |||||
t.Log("---------------------") | |||||
} |
@ -0,0 +1,12 @@ | |||||
package helper | |||||
import ( | |||||
"testing" | |||||
) | |||||
func Test_GenerateUUID(t *testing.T) { | |||||
uuid, err := GenerateUUID() | |||||
t.Log(uuid) | |||||
t.Log(err) | |||||
} |