first commit

pkg/errno/errno.go

@@ -0,0 +1,74 @@
+package errno
+
+import (
+	"encoding/json"
+)
+
+var _ Error = (*err)(nil)
+
+type Error interface {
+	// WithErr 设置错误信息
+	WithErr(err error) Error
+	// GetBusinessCode 获取 Business Code
+	GetBusinessCode() int
+	// GetHttpCode 获取 HTTP Code
+	GetHttpCode() int
+	// GetMsg 获取 Msg
+	GetMsg() string
+	// GetErr 获取错误信息
+	GetErr() error
+	// ToString 返回 JSON 格式的错误详情
+	ToString() string
+}
+
+type err struct {
+	HttpCode     int    // HTTP Code
+	BusinessCode int    // Business Code
+	Message      string // 描述信息
+	Err          error  // 错误信息
+}
+
+func NewError(httpCode, businessCode int, msg string) Error {
+	return &err{
+		HttpCode:     httpCode,
+		BusinessCode: businessCode,
+		Message:      msg,
+	}
+}
+
+func (e *err) WithErr(err error) Error {
+	e.Err = err
+	return e
+}
+
+func (e *err) GetHttpCode() int {
+	return e.HttpCode
+}
+
+func (e *err) GetBusinessCode() int {
+	return e.BusinessCode
+}
+
+func (e *err) GetMsg() string {
+	return e.Message
+}
+
+func (e *err) GetErr() error {
+	return e.Err
+}
+
+// ToString 返回 JSON 格式的错误详情
+func (e *err) ToString() string {
+	err := &struct {
+		HttpCode     int    `json:"http_code"`
+		BusinessCode int    `json:"business_code"`
+		Message      string `json:"message"`
+	}{
+		HttpCode:     e.HttpCode,
+		BusinessCode: e.BusinessCode,
+		Message:      e.Message,
+	}
+
+	raw, _ := json.Marshal(err)
+	return string(raw)
+}