优化提交kit/biz

Signed-off-by: lixxxww <941403820@qq.com>

kit/biz/bizerror.go

@@ -0,0 +1,35 @@
+package biz
+
+// 业务错误
+type BizError struct {
+	code int16
+	err  string
+}
+
+var (
+	Success       *BizError = NewBizErrCode(200, "success")
+	BizErr        *BizError = NewBizErrCode(400, "biz error")
+	ServerError   *BizError = NewBizErrCode(500, "服务器异常，请联系管理员")
+	PermissionErr *BizError = NewBizErrCode(4001, "没有权限操作，可能是TOKEN过期了，请先登录")
+	CasbinErr     *BizError = NewBizErrCode(403, "没有API接口访问权限，请联系管理员")
+)
+
+// 错误消息
+func (e *BizError) Error() string {
+	return e.err
+}
+
+// 错误码
+func (e *BizError) Code() int16 {
+	return e.code
+}
+
+// 创建业务逻辑错误结构体，默认为业务逻辑错误
+func NewBizErr(msg string) *BizError {
+	return &BizError{code: BizErr.code, err: msg}
+}
+
+// 创建业务逻辑错误结构体，可设置指定错误code
+func NewBizErrCode(code int16, msg string) *BizError {
+	return &BizError{code: code, err: msg}
+}