package command import "github.com/beego/beego/v2/core/validation" type CreateRoleCommand struct { CompanyId int64 `cname:"公司ID" json:"companyId"` Name string `cname:"角色名称" json:"name" valid:"Required"` Description string `cname:"角色描述" json:"description"` } func (in *CreateRoleCommand) Valid(validation *validation.Validation) { if in.CompanyId == 0 { validation.SetError("companyId", "公司ID无效") return } if len(in.Name) > 30 { validation.SetError("name", "角色名称最大长度30个字符") return } }