first commit

pkg/common/util/string_util.go

@@ -0,0 +1,154 @@
+package util
+
+import (
+	"crypto/md5"
+	"encoding/hex"
+	"encoding/json"
+	"fmt"
+	"net/url"
+	"sort"
+	"strconv"
+	"strings"
+	"time"
+)
+
+const (
+	PhotoDomainUrl  = "https://photo-app.ddegame.cn/"
+	TimeLayout      = "2006-01-02 15:04:05"
+	DateLayout      = "2006-01-02"
+	DateLayoutShort = "20060102"
+)
+
+func FullPhotoUrl(path string) string {
+	if len(path) == 0 {
+		return ""
+	}
+	if strings.Index(path, "http") == 0 {
+		return path
+	}
+	return PhotoDomainUrl + path
+}
+
+func Md5ForList(s ...string) string {
+	sort.Strings(s)
+	h := md5.New()
+	h.Write([]byte(strings.Join(s, "")))
+	return hex.EncodeToString(h.Sum(nil))
+}
+
+func StringToInt(source string) int {
+	target, _ := strconv.Atoi(source)
+	return target
+}
+
+func StringToFloat(source string) float64 {
+	target, _ := strconv.ParseFloat(source, 64)
+	return target
+}
+
+func StringIntPlus(s1, s2 string) string {
+	return strconv.Itoa(StringToInt(s1) + StringToInt(s2))
+}
+
+func StringIntMultiply(s1, s2 string) string {
+	return strconv.Itoa(StringToInt(s1) * StringToInt(s2))
+}
+
+func StringIntSub(s1, s2 string) string {
+	return strconv.Itoa(StringToInt(s1) - StringToInt(s2))
+}
+
+func StringFloatSub(s1, s2 string) string {
+	return strconv.FormatFloat(StringToFloat(s1)-StringToFloat(s2), 'f', -1, 64)
+}
+
+func ListToSet(list []string) (set []string) {
+	m := make(map[string]bool, 0)
+	for i := range list {
+		m[list[i]] = true
+	}
+	for k := range m {
+		set = append(set, k)
+	}
+	return
+}
+
+func ToJson(source interface{}) []byte {
+	b, _ := json.Marshal(source)
+	return b
+}
+
+func ToJsonString(source interface{}) string {
+	return string(ToJson(source))
+}
+
+func NowTimeToString() string {
+	return time.Now().Format(TimeLayout)
+}
+
+func NowTimeIncreaseString(t time.Duration) string {
+	return time.Now().Add(t).Format(TimeLayout)
+}
+
+func NowDateToString() string {
+	return time.Now().Format(DateLayout)
+}
+
+func NowDateToStringShort() string {
+	return time.Now().Format(DateLayoutShort)
+}
+
+func DateToString(source time.Time) string {
+	return source.Format(TimeLayout)
+}
+
+func Md5(s string) string {
+	h := md5.New()
+	h.Write([]byte(s))
+	return hex.EncodeToString(h.Sum(nil))
+}
+
+func ProcessTimeStr(s string) (string, error) {
+	// 定义两种时间格式
+	layout1 := "2006-01-02 15:04:05"           // 无时区的格式
+	layout2 := "2006-01-02 15:04:05 -0700 MST" // 带时区的格式（包含偏移和时区名称）
+
+	// 尝试解析为无时区格式
+	_, err1 := time.Parse(layout1, s)
+	if err1 == nil {
+		return s, nil // 直接返回原字符串
+	}
+
+	// 尝试解析为带时区格式
+	t2, err2 := time.Parse(layout2, s)
+	if err2 == nil {
+		// 格式化为无时区格式
+		return t2.Format(layout1), nil
+	}
+
+	// 两种格式都不匹配
+	return "", fmt.Errorf("invalid time format: %s", s)
+}
+
+// 解析url里的参数为map
+func ParseUrlParameter(fullUrl string) (result map[string]string) {
+
+	result = make(map[string]string)
+
+	// 解析URL
+	parsedURL, err := url.Parse(fullUrl)
+	if err != nil {
+		fmt.Printf("解析URL失败: %v\n", err)
+		return
+	}
+
+	// 解析查询参数
+	queryParams := parsedURL.Query()
+
+	// 输出所有参数
+	for key, values := range queryParams {
+		result[key] = values[0]
+	}
+
+	return
+}

pkg/common/util/string_util_test.go

@@ -0,0 +1,17 @@
+package util
+
+import (
+	"servicebase/pkg/common"
+	"fmt"
+	"testing"
+)
+
+func Test_processTimeStr(t *testing.T) {
+	tmp, e := ProcessTimeStr("2025-05-29 09:08:38 +0800 CST")
+	fmt.Printf("%v %v\n", tmp, e)
+}
+
+func TestParseUrlParameter(t *testing.T) {
+	// assets/img/op_1754967614.png?c=#000000&s=160
+	ParseUrlParameter(common.FullPhotoUrl("assets/img/op_1754967614.png?c=%23000000&s=160"))
+}