338 lines
7.0 KiB
Go
338 lines
7.0 KiB
Go
package common
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import (
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"crypto/md5"
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"encoding/hex"
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"math"
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"strings"
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)
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//安全锁
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//func SafeMutex(tag int, f func() interface{}) interface{} {
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//
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// mutexer.Lock()
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// if mutex[tag] == nil {
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//
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// mutex[tag] = &sync.RWMutex{}
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//
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// }
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// mutexer.Unlock()
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//
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// mutex[tag].Lock()
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// res := f()
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// mutex[tag].Unlock()
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// return res
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//}
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// StrFirstToUpper 字符串首字符大写
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func StrFirstToUpper(str string) string {
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if len(str) == 0 {
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return str
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}
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first := Substr(str, 0, 1)
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other := Substr(str, 1, len(str)-1)
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return strings.ToUpper(first) + other
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}
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//相似度计算 ld compares two strings and returns the levenshtein distance between them.
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func StrLd(s, t string, ignoreCase bool) int {
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if ignoreCase {
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s = strings.ToLower(s)
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t = strings.ToLower(t)
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}
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d := make([][]int, len(s)+1)
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for i := range d {
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d[i] = make([]int, len(t)+1)
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}
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for i := range d {
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d[i][0] = i
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}
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for j := range d[0] {
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d[0][j] = j
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}
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for j := 1; j <= len(t); j++ {
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for i := 1; i <= len(s); i++ {
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if s[i-1] == t[j-1] {
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d[i][j] = d[i-1][j-1]
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} else {
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min := d[i-1][j]
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if d[i][j-1] < min {
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min = d[i][j-1]
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}
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if d[i-1][j-1] < min {
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min = d[i-1][j-1]
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}
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d[i][j] = min + 1
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}
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}
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}
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return d[len(s)][len(t)]
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}
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// Substr 字符串截取
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func Substr(str string, start int, length int) string {
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rs := []rune(str)
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rl := len(rs)
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end := 0
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if start < 0 {
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start = rl - 1 + start
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}
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end = start + length
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if start > end {
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start, end = end, start
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}
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if start < 0 {
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start = 0
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}
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if start > rl {
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start = rl
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}
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if end < 0 {
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end = 0
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}
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if end > rl {
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end = rl
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}
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return string(rs[start:end])
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}
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// IndexLastStr 获取最后出现字符串的下标
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//return 找不到返回 -1
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func IndexLastStr(str, sep string) int {
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sepSlice := []rune(sep)
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strSlice := []rune(str)
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if len(sepSlice) > len(strSlice) {
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return -1
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}
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v := sepSlice[len(sepSlice)-1]
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for i := len(strSlice) - 1; i >= 0; i-- {
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vs := strSlice[i]
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if v == vs {
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j := len(sepSlice) - 2
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for ; j >= 0; j-- {
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vj := sepSlice[j]
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vsj := strSlice[i-(len(sepSlice)-j-1)]
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if vj != vsj {
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break
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}
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}
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if j < 0 {
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return i - len(sepSlice) + 1
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}
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}
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}
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return -1
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}
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// Md5 md5
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func Md5(req string) string {
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md5Ctx := md5.New()
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md5Ctx.Write([]byte(req))
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cipherStr := md5Ctx.Sum(nil)
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return hex.EncodeToString(cipherStr)
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}
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//随机数
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func Rand(count int) int {
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res := Random()
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for i := 0; i < count; i++ {
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res = res * 10
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}
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return ObjToInt(res)
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}
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func Random() float64 {
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v := float64(0)
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m := float64(0.1)
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for i := 0; i < 15; i++ {
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facter := map[int]int{4: 1, 9: 1, 2: 1, 3: 1, 1: 1, 7: 1, 0: 1, 5: 1, 6: 1, 8: 1}
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for k, _ := range facter {
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v = v + float64(k)*m
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break
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}
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m = m * 0.1
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}
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return v
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}
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//随机数范围
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func RandX(small int, max int) int {
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res := 0
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//随机对象
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if small == max {
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return small
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}
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for {
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res = ObjToInt(Random() * float64(max+1))
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if res >= small {
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break
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}
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}
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return res
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}
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//
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////路由
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//func Router(ctr CtrInterface) {
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//
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// str := reflect.ValueOf(ctr).Type().String()
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// a := strings.IndexByte(str, '.')
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//
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// c := len(str) - len("Ctr") - 1
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//
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// app := Substr(str, 0, a) //属于哪个app
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// ct := Substr(str, a+1, c-a) //属于哪个控制器
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// var x = map[string]CtrInterface{}
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// if _, ok := Proj[app]; ok {
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// //存在APP
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// x = Proj[app]
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// } else {
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// x = map[string]CtrInterface{}
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// }
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// x[ct] = ctr //将控制器存入APP
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// // fmt.Println(c)
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// Proj[app] = x //将APP存入测试
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//}
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//
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//func RunMethodListener(test func(app []string)) {
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// RunMethodListenerFunc = test
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//}
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//func SetDb(db *sql.DB) {
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// db.SetMaxOpenConns(2000)
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// db.SetMaxIdleConns(1000)
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// db.Ping()
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// SqlDB = &*db
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// GetDb()
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//}
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//复制返回数组
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func DeepCopyMap(value interface{}) interface{} {
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if valueMap, ok := value.(Map); ok {
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newMap := make(Map)
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for k, v := range valueMap {
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newMap[k] = DeepCopyMap(v)
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}
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return newMap
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} else if valueSlice, ok := value.([]interface{}); ok {
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newSlice := make([]interface{}, len(valueSlice))
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for k, v := range valueSlice {
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newSlice[k] = DeepCopyMap(v)
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}
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return newSlice
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} else if valueMap, ok := value.(map[string]interface{}); ok {
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newMap := make(map[string]interface{})
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for k, v := range valueMap {
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newMap[k] = DeepCopyMap(v)
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}
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return newMap
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} else if valueSlice, ok := value.(Slice); ok {
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newSlice := make(Slice, len(valueSlice))
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for k, v := range valueSlice {
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newSlice[k] = DeepCopyMap(v)
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}
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return newSlice
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}
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return value
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}
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////获取数据库
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//func GetDb() (HoTimeDB, error) {
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// Db.DB = &*SqlDB
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// Db.Cached = true
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// return Db, nil
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//}
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//初始化方法
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//func Init() {
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//
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// http.HandleFunc("/", PublicCore.myHandler)
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//
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// InitCache()
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// http.ListenAndServe(":"+Config["port"].(string), nil)
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//}
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////设置Config
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//func SetCfg(tData Map) {
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// for k, v := range tData {
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// Config[k] = v
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// }
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//}
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//浮点数四舍五入保留小数
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func Round(f float64, n int) float64 {
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pow10_n := math.Pow10(n)
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return math.Trunc((f+0.5/pow10_n)*pow10_n) / pow10_n
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}
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//func InitDbCache(tim int64) {
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// res := Db.Query("SELECT TABLE_NAME FROM INFORMATION_SCHEMA.TABLES WHERE TABLE_SCHEMA='" + Config.GetString("dbName") + "' AND TABLE_NAME='cached'")
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// if len(res) == 0 {
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// Db.Exec("CREATE TABLE `cached` ( `id` int(11) unsigned NOT NULL AUTO_INCREMENT, `ckey` varchar(60) DEFAULT NULL, `cvalue` varchar(2000) DEFAULT NULL, `time` bigint(20) DEFAULT NULL, `endtime` int(11) DEFAULT NULL, PRIMARY KEY (`id`) ) ENGINE=InnoDB AUTO_INCREMENT=198740 DEFAULT CHARSET=utf8")
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// }
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// cacheConfig := Config.GetMap("cacheConfig").GetObj("db").(CacheConfg)
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// cacheConfig.Used = true
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// if tim != 0 {
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// cacheConfig.Time = tim
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// }
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// Config.GetMap("cacheConfig")["db"] = cacheConfig
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//}
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//
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//func Cache(key interface{}, data ...interface{}) interface{} {
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// cachePRI := Config["cachePRI"].([]string)
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// var res interface{}
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// for i := 0; i < len(cachePRI); i++ {
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// if cachePRI[i] == "ridis" && Config["cacheConfig"].(Map)["ridis"].(CacheConfg).Used {
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// res = CacheMemIns.Cache(ObjToStr(key), data...)
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// }
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// if cachePRI[i] == "db" && Config["cacheConfig"].(Map)["db"].(CacheConfg).Used {
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// res = CacheDBIns.Cache(ObjToStr(key), data...)
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// }
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// if cachePRI[i] == "memory" && Config["cacheConfig"].(Map)["memory"].(CacheConfg).Used {
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// res = CacheMemIns.Cache(ObjToStr(key), data...)
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// }
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// //将缓存送到前面的可缓存仓库去
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// if res != nil {
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// for j := 0; j < i; j++ {
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// if cachePRI[j] == "ridis" && Config["cacheConfig"].(Map)["ridis"].(CacheConfg).Used {
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// CacheMemIns.Cache(ObjToStr(key), res)
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// }
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// if cachePRI[j] == "db" && Config["cacheConfig"].(Map)["db"].(CacheConfg).Used {
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// CacheDBIns.Cache(ObjToStr(key), res)
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// }
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// if cachePRI[j] == "memory" && Config["cacheConfig"].(Map)["memory"].(CacheConfg).Used {
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// CacheMemIns.Cache(ObjToStr(key), res)
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// }
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//
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// }
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// break
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// }
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//
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// }
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// return res
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//}
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//func InitCache() {
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// CacheMemIns.Init(Config["cacheConfig"].(Map)["memory"].(CacheConfg).Time)
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// CacheDBIns.Init(Config["cacheConfig"].(Map)["db"].(CacheConfg).Time)
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//}
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