model support globbing patterns (#153)

* model support globbing patterns

* optimize model

* optimize model

* format code

tools/goctl/model/sql/util/matcher.go

@@ -0,0 +1,38 @@
+package util
+
+import (
+	"io/ioutil"
+	"path/filepath"
+)
+
+// expression: globbing patterns
+func MatchFiles(in string) ([]string, error) {
+	dir, pattern := filepath.Split(in)
+	abs, err := filepath.Abs(dir)
+	if err != nil {
+		return nil, err
+	}
+
+	files, err := ioutil.ReadDir(abs)
+	if err != nil {
+		return nil, err
+	}
+	var res []string
+	for _, file := range files {
+		if file.IsDir() {
+			continue
+		}
+		name := file.Name()
+		match, err := filepath.Match(pattern, name)
+		if err != nil {
+			return nil, err
+		}
+
+		if !match {
+			continue
+		}
+
+		res = append(res, filepath.Join(abs, name))
+	}
+	return res, nil
+}