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server/utility/charset/charset.go

@@ -0,0 +1,74 @@
+// Package charset
+// @Link  https://github.com/bufanyun/hotgo
+// @Copyright  Copyright (c) 2023 HotGo CLI
+// @Author  Ms <133814250@qq.com>
+// @License  https://github.com/bufanyun/hotgo/blob/master/LICENSE
+package charset
+
+import (
+	"bytes"
+	"crypto/rand"
+	"github.com/gogf/gf/v2/errors/gerror"
+	"github.com/gogf/gf/v2/text/gstr"
+	"github.com/gogf/gf/v2/util/gutil"
+	r "math/rand"
+	"strings"
+	"time"
+)
+
+// RandomCreateBytes 生成随机字串符
+func RandomCreateBytes(n int, alphabets ...byte) []byte {
+	if len(alphabets) == 0 {
+		alphabets = []byte(`0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz`)
+	}
+	var bytes = make([]byte, n)
+	var randBy bool
+	if num, err := rand.Read(bytes); num != n || err != nil {
+		randBy = true
+	}
+	for i, b := range bytes {
+		if randBy {
+			bytes[i] = alphabets[r.New(r.NewSource(time.Now().UnixNano())).Intn(len(alphabets))]
+		} else {
+			bytes[i] = alphabets[b%byte(len(alphabets))]
+		}
+	}
+	return bytes
+}
+
+// ParseErrStack 解析错误的堆栈信息
+func ParseErrStack(err error) []string {
+	return ParseStack(gerror.Stack(err))
+}
+
+// ParseStack 解析堆栈信息
+func ParseStack(st string) []string {
+	stack := gstr.Split(st, "\n")
+	for i := 0; i < len(stack); i++ {
+		stack[i] = gstr.Replace(stack[i], "\t", "--> ")
+	}
+	return stack
+}
+
+// SerializeStack 解析错误并序列化堆栈信息
+func SerializeStack(err error) string {
+	buffer := bytes.NewBuffer(nil)
+	gutil.DumpTo(buffer, ParseErrStack(err), gutil.DumpOption{
+		WithType:     false,
+		ExportedOnly: false,
+	})
+	return buffer.String()
+}
+
+// SubstrAfter 截取指定字符后的内容
+func SubstrAfter(str string, symbol string) string {
+	comma := strings.Index(str, symbol)
+	if comma < 0 { // -1 不存在
+		return ""
+	}
+	pos := strings.Index(str[comma:], symbol)
+	if comma+pos+1 > len(str) {
+		return ""
+	}
+	return str[comma+pos+1:]
+}