Initial commit

Co-Authored-By: Claude Opus 5 <noreply@anthropic.com>

common/stderr/stderr.go

@@ -0,0 +1,47 @@
+package stderr
+
+import "fmt"
+
+type Code int
+
+type CodeMsg struct {
+	Code int    `json:"code"`
+	Msg  string `json:"msg"`
+	Tip  string `json:"tip,omitempty"`
+}
+
+func (c Code) Msg() string {
+	msg, ok := codeAndMsg[c]
+	if ok {
+		return msg
+	}
+	return ""
+}
+
+func (c Code) Tip() string {
+	tip, ok := codeAndTip[c]
+	if ok {
+		return tip
+	}
+	return ""
+}
+
+func (c Code) Error() string {
+	return fmt.Sprintf("code=%d,msg=%v,tip=%v", c, c.Msg(), c.Tip())
+}
+
+func (c Code) Struct() CodeMsg {
+	return CodeMsg{Code: int(c), Msg: c.Msg(), Tip: c.Tip()}
+}
+
+func New(code int, msg string) error {
+	return fmt.Errorf("code:%d,msg:%s", code, msg)
+}
+
+func (c Code) SetMsg(msg string) CodeMsg {
+	return CodeMsg{Code: int(c), Msg: msg, Tip: c.Tip()}
+}
+
+func (c Code) SetTip(tip string) CodeMsg {
+	return CodeMsg{Code: int(c), Msg: c.Msg(), Tip: tip}
+}