support template

@@ -136,25 +136,32 @@ func (c *Controller) RenderBytes() ([]byte, error) {
 		}
 		err := BeeTemplates[subdir].ExecuteTemplate(newbytes, file, c.Data)
 		if err != nil {
-		LayoutTplErrDeal:
 			if terr, ok := err.(*template.Error); ok {
 				if terr.ErrorCode == template.ErrNoSuchTemplate {
-					reg := regexp.MustCompile("\"(.+)\"")
-					a := reg.FindStringSubmatch(terr.Description)
+					reg := regexp.MustCompile("{{template \"(.+)\"")
+					filedata, _ := ioutil.ReadFile(path.Join(ViewsPath, c.TplNames))
+					a := reg.FindStringSubmatch(string(filedata))
 					if len(a) > 1 {
-						missfile := path.Join(ViewsPath, subdir, a[1])
-						AllTemplateFiles.files[subdir] = append(AllTemplateFiles.files[subdir], missfile)
+						for _, tfile := range a[1:] {
+							missfile := path.Join(ViewsPath, subdir, tfile)
+							if ok, _ := FileExists(missfile); ok {
+								AllTemplateFiles.files[subdir] = append(AllTemplateFiles.files[subdir], missfile)
+							}
+						}
 						for k, v := range AllTemplateFiles.files {
 							BeeTemplates[k] = template.Must(template.New("beegoTemplate"+k).Delims(TemplateLeft, TemplateRight).Funcs(beegoTplFuncMap).ParseFiles(v...))
 						}
 						err = BeeTemplates[subdir].ExecuteTemplate(newbytes, file, c.Data)
 						if err != nil {
-							goto LayoutTplErrDeal
+							Trace("template Execute err:", err)
 						}
+						goto LayoutTplOk
 					}
 				}
 			}
+			Trace("template Execute err:", err)
 		}
+	LayoutTplOk:
 		tplcontent, _ := ioutil.ReadAll(newbytes)
 		c.Data["LayoutContent"] = template.HTML(string(tplcontent))
 		subdir = path.Dir(c.Layout)
@@ -162,26 +169,32 @@ func (c *Controller) RenderBytes() ([]byte, error) {
 		ibytes := bytes.NewBufferString("")
 		err = BeeTemplates[subdir].ExecuteTemplate(ibytes, file, c.Data)
 		if err != nil {
-		LayoutErrDeal:
 			if terr, ok := err.(*template.Error); ok {
 				if terr.ErrorCode == template.ErrNoSuchTemplate {
-					reg := regexp.MustCompile("\"(.+)\"")
-					a := reg.FindStringSubmatch(terr.Description)
+					reg := regexp.MustCompile("{{template \"(.+)\"")
+					filedata, _ := ioutil.ReadFile(path.Join(ViewsPath, c.Layout))
+					a := reg.FindStringSubmatch(string(filedata))
 					if len(a) > 1 {
-						missfile := path.Join(ViewsPath, subdir, a[1])
-						AllTemplateFiles.files[subdir] = append(AllTemplateFiles.files[subdir], missfile)
+						for _, tfile := range a[1:] {
+							missfile := path.Join(ViewsPath, subdir, tfile)
+							if ok, _ := FileExists(missfile); ok {
+								AllTemplateFiles.files[subdir] = append(AllTemplateFiles.files[subdir], missfile)
+							}
+						}
 						for k, v := range AllTemplateFiles.files {
 							BeeTemplates[k] = template.Must(template.New("beegoTemplate"+k).Delims(TemplateLeft, TemplateRight).Funcs(beegoTplFuncMap).ParseFiles(v...))
 						}
 						err = BeeTemplates[subdir].ExecuteTemplate(ibytes, file, c.Data)
 						if err != nil {
-							goto LayoutErrDeal
+							Trace("template Execute err:", err)
 						}
+						goto LayoutOk
 					}
 				}
 			}
 			Trace("template Execute err:", err)
 		}
+	LayoutOk:
 		icontent, _ := ioutil.ReadAll(ibytes)
 		return icontent, nil
 	} else {
@@ -200,26 +213,31 @@ func (c *Controller) RenderBytes() ([]byte, error) {
 		}
 		err := BeeTemplates[subdir].ExecuteTemplate(ibytes, file, c.Data)
 		if err != nil {
-		ErrDeal:
 			if terr, ok := err.(*template.Error); ok {
 				if terr.ErrorCode == template.ErrNoSuchTemplate {
-					reg := regexp.MustCompile("\"(.+)\"")
-					a := reg.FindStringSubmatch(terr.Description)
+					reg := regexp.MustCompile("{{template \"(.+)\"")
+					filedata, _ := ioutil.ReadFile(path.Join(ViewsPath, c.TplNames))
+					a := reg.FindStringSubmatch(string(filedata))
 					if len(a) > 1 {
-						missfile := path.Join(ViewsPath, subdir, a[1])
-						AllTemplateFiles.files[subdir] = append(AllTemplateFiles.files[subdir], missfile)
+						for _, tfile := range a[1:] {
+							missfile := path.Join(ViewsPath, subdir, tfile)
+							if ok, _ := FileExists(missfile); ok {
+								AllTemplateFiles.files[subdir] = append(AllTemplateFiles.files[subdir], missfile)
+							}
+						}
 						for k, v := range AllTemplateFiles.files {
 							BeeTemplates[k] = template.Must(template.New("beegoTemplate"+k).Delims(TemplateLeft, TemplateRight).Funcs(beegoTplFuncMap).ParseFiles(v...))
 						}
 						err = BeeTemplates[subdir].ExecuteTemplate(ibytes, file, c.Data)
 						if err != nil {
-							goto ErrDeal
+							Trace("template Execute err:", err)
 						}
+						goto TplOk
 					}
 				}
 			}
-			Trace("template Execute err:", err)
 		}
+	TplOk:
 		icontent, _ := ioutil.ReadAll(ibytes)
 		return icontent, nil
 	}

@@ -4,6 +4,7 @@ import (
 	"fmt"
 	"html/template"
 	"net/url"
+	"os"
 	"reflect"
 	"regexp"
 	"strconv"
@@ -68,14 +69,14 @@ func DateFormat(t time.Time, layout string) (datestring string) {
 
 var DatePatterns = []string{
 	// year
-	"Y", "2006", // A full numeric representation of a year, 4 digits   Examples: 1999 or 2003
-	"y", "06", //A two digit representation of a year   Examples: 99 or 03
+	"Y", "2006", // A full numeric representation of a year, 4 digits   Examples: 1999 or 2003
+	"y", "06", //A two digit representation of a year   Examples: 99 or 03
 
 	// month
 	"m", "01", // Numeric representation of a month, with leading zeros 01 through 12
-	"n", "1", // Numeric representation of a month, without leading zeros   1 through 12
+	"n", "1", // Numeric representation of a month, without leading zeros   1 through 12
 	"M", "Jan", // A short textual representation of a month, three letters Jan through Dec
-	"F", "January", // A full textual representation of a month, such as January or March   January through December
+	"F", "January", // A full textual representation of a month, such as January or March   January through December
 
 	// day
 	"d", "02", // Day of the month, 2 digits with leading zeros 01 to 31
@@ -83,19 +84,19 @@ var DatePatterns = []string{
 
 	// week
 	"D", "Mon", // A textual representation of a day, three letters Mon through Sun
-	"l", "Monday", // A full textual representation of the day of the week  Sunday through Saturday
+	"l", "Monday", // A full textual representation of the day of the week  Sunday through Saturday
 
 	// time
-	"g", "3", // 12-hour format of an hour without leading zeros    1 through 12
-	"G", "15", // 24-hour format of an hour without leading zeros   0 through 23
-	"h", "03", // 12-hour format of an hour with leading zeros  01 through 12
-	"H", "15", // 24-hour format of an hour with leading zeros  00 through 23
+	"g", "3", // 12-hour format of an hour without leading zeros    1 through 12
+	"G", "15", // 24-hour format of an hour without leading zeros   0 through 23
+	"h", "03", // 12-hour format of an hour with leading zeros  01 through 12
+	"H", "15", // 24-hour format of an hour with leading zeros  00 through 23
 
 	"a", "pm", // Lowercase Ante meridiem and Post meridiem am or pm
 	"A", "PM", // Uppercase Ante meridiem and Post meridiem AM or PM
 
-	"i", "04", // Minutes with leading zeros    00 to 59
-	"s", "05", // Seconds, with leading zeros   00 through 59
+	"i", "04", // Minutes with leading zeros    00 to 59
+	"s", "05", // Seconds, with leading zeros   00 through 59
 
 	// time zone
 	"T", "MST",
@@ -350,3 +351,14 @@ func stringsToJson(str string) string {
 	}
 	return jsons
 }
+
+func FileExists(path string) (bool, error) {
+	_, err := os.Stat(path)
+	if err == nil {
+		return true, nil
+	}
+	if os.IsNotExist(err) {
+		return false, nil
+	}
+	return false, err
+}