From 895ff49a9efc7caac0bcd10e7758985915f1661e Mon Sep 17 00:00:00 2001
From: Unknown <joe2010xtmf@163.com>
Date: Thu, 21 Mar 2013 01:17:28 -0400
Subject: [PATCH 1/3] add func html2str()

---
 template.go | 27 +++++++++++++++++++++++++++
 1 file changed, 27 insertions(+)

diff --git a/template.go b/template.go
index 2a98dc52..bd462150 100644
--- a/template.go
+++ b/template.go
@@ -54,6 +54,33 @@ func Substr(s string, start, length int) string {
 	return string(bt[start:end])
 }
 
+// Html2str() returns escaping text convert from html
+func Html2str(html string) string {
+	src := string(html)
+
+	//将HTML标签全转换成小写
+	re, _ := regexp.Compile("\\<[\\S\\s]+?\\>")
+	src = re.ReplaceAllStringFunc(src, strings.ToLower)
+
+	//去除STYLE
+	re, _ = regexp.Compile("\\<style[\\S\\s]+?\\</style\\>")
+	src = re.ReplaceAllString(src, "")
+
+	//去除SCRIPT
+	re, _ = regexp.Compile("\\<script[\\S\\s]+?\\</script\\>")
+	src = re.ReplaceAllString(src, "")
+
+	//去除所有尖括号内的HTML代码，并换成换行符
+	re, _ = regexp.Compile("\\<[\\S\\s]+?\\>")
+	src = re.ReplaceAllString(src, "\n")
+
+	//去除连续的换行符
+	re, _ = regexp.Compile("\\s{2,}")
+	src = re.ReplaceAllString(src, "\n")
+
+	return strings.TrimSpace(src)
+}
+
 // DateFormat takes a time and a layout string and returns a string with the formatted date. Used by the template parser as "dateformat"
 func DateFormat(t time.Time, layout string) (datestring string) {
 	datestring = t.Format(layout)

From 73a52c98440eed38882afb8bb106480c642a56c5 Mon Sep 17 00:00:00 2001
From: Unknown <joe2010xtmf@163.com>
Date: Thu, 21 Mar 2013 01:18:39 -0400
Subject: [PATCH 2/3] add func Html2str()

---
 template.go | 1 +
 1 file changed, 1 insertion(+)

diff --git a/template.go b/template.go
index bd462150..ed21ccda 100644
--- a/template.go
+++ b/template.go
@@ -10,6 +10,7 @@ import (
 	"os"
 	"path"
 	"path/filepath"
+	"regexp"
 	"strings"
 	"time"
 )

From 63d8881f4d3fad646e6de760ba10e7ce76926c1c Mon Sep 17 00:00:00 2001
From: Unknown <joe2010xtmf@163.com>
Date: Thu, 21 Mar 2013 01:21:04 -0400
Subject: [PATCH 3/3] add func Html2str()

---
 template.go | 1 +
 1 file changed, 1 insertion(+)

diff --git a/template.go b/template.go
index ed21ccda..3e0df9a8 100644
--- a/template.go
+++ b/template.go
@@ -31,6 +31,7 @@ func init() {
 	beegoTplFuncMap["date"] = Date
 	beegoTplFuncMap["compare"] = Compare
 	beegoTplFuncMap["substr"] = Substr
+	beegoTplFuncMap["html2str"] = Html2str
 }
 
 // MarkDown parses a string in MarkDown format and returns HTML. Used by the template parser as "markdown"