goctl model reactor (#15)

* reactor sql generation

* reactor sql generation

* add console & example

* optimize unit test & add document

* modify default config

* remove test file

* Revert "remove test file"

This reverts commit 81041f9e

* fix stringx.go & optimize example

* remove unused code

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

@@ -1,15 +1,15 @@
 package gen
 
 import (
-	"bytes"
 	"strings"
-	"text/template"
 
-	sqltemplate "github.com/tal-tech/go-zero/tools/goctl/model/sql/template"
+	"github.com/tal-tech/go-zero/tools/goctl/model/sql/parser"
+	"github.com/tal-tech/go-zero/tools/goctl/model/sql/template"
+	"github.com/tal-tech/go-zero/tools/goctl/util/templatex"
 )
 
-func genFields(fields []*InnerField) (string, error) {
-	list := make([]string, 0)
+func genFields(fields []parser.Field) (string, error) {
+	var list []string
 	for _, field := range fields {
 		result, err := genField(field)
 		if err != nil {
@@ -17,23 +17,25 @@ func genFields(fields []*InnerField) (string, error) {
 		}
 		list = append(list, result)
 	}
-	return strings.Join(list, "\r\n"), nil
+	return strings.Join(list, "\n"), nil
 }
 
-func genField(field *InnerField) (string, error) {
-	t, err := template.New("types").Parse(sqltemplate.Field)
-	if err != nil {
-		return "", nil
-	}
-	var typeBuffer = new(bytes.Buffer)
-	err = t.Execute(typeBuffer, map[string]string{
-		"name":    field.UpperCamelCase,
-		"type":    field.DataType,
-		"tag":     field.Tag,
-		"comment": field.Comment,
-	})
+func genField(field parser.Field) (string, error) {
+	tag, err := genTag(field.Name.Source())
 	if err != nil {
 		return "", err
 	}
-	return typeBuffer.String(), nil
+	output, err := templatex.With("types").
+		Parse(template.Field).
+		Execute(map[string]interface{}{
+			"name":       field.Name.Snake2Camel(),
+			"type":       field.DataType,
+			"tag":        tag,
+			"hasComment": field.Comment != "",
+			"comment":    field.Comment,
+		})
+	if err != nil {
+		return "", err
+	}
+	return output.String(), nil
 }