refactor file|path (#1409)

Co-authored-by: anqiansong <anqiansong@bytedance.com>

tools/goctl/model/sql/gen/vars.go

@@ -5,6 +5,7 @@ import (
 
 	"github.com/tal-tech/go-zero/tools/goctl/model/sql/template"
 	"github.com/tal-tech/go-zero/tools/goctl/util"
+	"github.com/tal-tech/go-zero/tools/goctl/util/pathx"
 	"github.com/tal-tech/go-zero/tools/goctl/util/stringx"
 )
 
@@ -16,7 +17,7 @@ func genVars(table Table, withCache, postgreSql bool) (string, error) {
 	}
 
 	camel := table.Name.ToCamel()
-	text, err := util.LoadTemplate(category, varTemplateFile, template.Vars)
+	text, err := pathx.LoadTemplate(category, varTemplateFile, template.Vars)
 	if err != nil {
 		return "", err
 	}