first commit

utils/my.go

@@ -0,0 +1,97 @@
+package utils
+
+import (
+	"encoding/json"
+	"reflect"
+	"regexp"
+	"strings"
+)
+
+const YMDHIS = "2006-01-02 15:04:05"
+const YMD = "20060102"
+
+// DeleteExtraSpace 多个空格替换为一个空格
+func DeleteExtraSpace(s string) string {
+	//删除字符串中的多余空格，有多个空格时，仅保留一个空格
+	s1 := strings.Replace(s, "  ", " ", -1)     //替换tab为空格
+	regstr := "\\s{2,}"                         //两个及两个以上空格的正则表达式
+	reg, _ := regexp.Compile(regstr)            //编译正则表达式
+	s2 := make([]byte, len(s1))                 //定义字符数组切片
+	copy(s2, s1)                                //将字符串复制到切片
+	spcIndex := reg.FindStringIndex(string(s2)) //在字符串中搜索
+	for len(spcIndex) > 0 {                     //找到适配项
+		s2 = append(s2[:spcIndex[0]+1], s2[spcIndex[1]:]...) //删除多余空格
+		spcIndex = reg.FindStringIndex(string(s2))           //继续在字符串中搜索
+	}
+	return string(s2)
+}
+
+// GetStructKeys 获取结构体的keys
+func GetStructKeys(obj any) []string {
+	// 通过反射将结构体转换成map
+	var keys []string
+	objT := reflect.TypeOf(obj)
+	for i := 0; i < objT.NumField(); i++ {
+		fileName, ok := objT.Field(i).Tag.Lookup("json")
+		if ok {
+			keys = append(keys, fileName)
+		}else{
+			keys = append(keys, objT.Field(i).Name)
+		}
+	}
+	return keys
+}
+
+// Struct2map 结构体转map
+func Struct2map(obj any) (data map[string]any, err error) {
+	// 通过反射将结构体转换成map
+	data = make(map[string]any)
+	objT := reflect.TypeOf(obj)
+	objV := reflect.ValueOf(obj)
+	for i := 0; i < objT.NumField(); i++ {
+		fileName, ok := objT.Field(i).Tag.Lookup("json")
+		if objV.Field(i).Interface() == nil {
+			continue
+		}
+		if ok {
+			data[fileName] = objV.Field(i).Interface()
+		}else{
+			data[objT.Field(i).Name] = objV.Field(i).Interface()
+		}
+	}
+	return data, nil
+}
+
+func IsString(obj interface{}) bool {
+
+	kind := reflect.ValueOf(obj).Kind()
+
+	return kind == reflect.String
+}
+
+func CheckInArrInt(list []int, val int)  {
+
+}
+
+func CheckInStr(list []string, val string) bool {
+	for _, v := range list {
+		if v == val {
+			return true
+		}
+	}
+
+	return false
+}
+
+func JsonToStrArr(jsonStr string) ([]string, error) {
+	var arr []string
+	err := json.Unmarshal([]byte(jsonStr), &arr)
+
+	return arr, err
+}
+
+func StrToStrArr(jsonStr, sep string) []string {
+	arr := strings.Split(jsonStr, sep)
+
+	return arr
+}