Merge remote-tracking branch 'astaxie.beego/master'

@@ -40,7 +40,14 @@ func init() {
 }
 }
 
 
 func AdminIndex(rw http.ResponseWriter, r *http.Request) {
 func AdminIndex(rw http.ResponseWriter, r *http.Request) {
-	rw.Write([]byte("Welcome to Admin Dashboard"))
+	rw.Write([]byte("Welcome to Admin Dashboard\n"))
+	rw.Write([]byte("There are servral functions:\n"))
+	rw.Write([]byte("1. Record all request and request time, http://localhost:8088/qps\n"))
+	rw.Write([]byte("2. Get runtime profiling data by the pprof, http://localhost:8088/prof\n"))
+	rw.Write([]byte("3. Get healthcheck result from http://localhost:8088/prof\n"))
+	rw.Write([]byte("4. Get current task infomation from taskhttp://localhost:8088/task \n"))
+	rw.Write([]byte("5. To run a task passed a param http://localhost:8088/runtask\n"))
+
 }
 }
 
 
 func QpsIndex(rw http.ResponseWriter, r *http.Request) {
 func QpsIndex(rw http.ResponseWriter, r *http.Request) {

@@ -3,6 +3,7 @@ package beego
 import (
 import (
 	"bytes"
 	"bytes"
 	"crypto/hmac"
 	"crypto/hmac"
+	"crypto/rand"
 	"crypto/sha1"
 	"crypto/sha1"
 	"encoding/base64"
 	"encoding/base64"
 	"errors"
 	"errors"
@@ -370,7 +371,7 @@ func (c *Controller) XsrfToken() string {
 			} else {
 			} else {
 				expire = int64(XSRFExpire)
 				expire = int64(XSRFExpire)
 			}
 			}
-			token = GetRandomString(15)
+			token = getRandomString(15)
 			c.SetSecureCookie(XSRFKEY, "_xsrf", token, expire)
 			c.SetSecureCookie(XSRFKEY, "_xsrf", token, expire)
 		}
 		}
 		c._xsrf_token = token
 		c._xsrf_token = token
@@ -405,3 +406,14 @@ func (c *Controller) GoToFunc(funcname string) {
 	}
 	}
 	c.gotofunc = funcname
 	c.gotofunc = funcname
 }
 }
+
+//utils func for controller internal
+func getRandomString(n int) string {
+	const alphanum = "0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz"
+	var bytes = make([]byte, n)
+	rand.Read(bytes)
+	for i, b := range bytes {
+		bytes[i] = alphanum[b%byte(len(alphanum))]
+	}
+	return string(bytes)
+}

@@ -15,6 +15,7 @@ import (
 	beecontext "github.com/astaxie/beego/context"
 	beecontext "github.com/astaxie/beego/context"
 	"github.com/astaxie/beego/middleware"
 	"github.com/astaxie/beego/middleware"
 	"github.com/astaxie/beego/toolbox"
 	"github.com/astaxie/beego/toolbox"
+	"github.com/astaxie/beego/utils"
 )
 )
 
 
 const (
 const (
@@ -159,7 +160,7 @@ func (p *ControllerRegistor) Add(pattern string, c ControllerInterface, mappingM
 			}
 			}
 			comma := strings.Split(colon[0], ",")
 			comma := strings.Split(colon[0], ",")
 			for _, m := range comma {
 			for _, m := range comma {
-				if m == "*" || inSlice(strings.ToLower(m), HTTPMETHOD) {
+				if m == "*" || utils.InSlice(strings.ToLower(m), HTTPMETHOD) {
 					if val := reflectVal.MethodByName(colon[1]); val.IsValid() {
 					if val := reflectVal.MethodByName(colon[1]); val.IsValid() {
 						methods[strings.ToLower(m)] = colon[1]
 						methods[strings.ToLower(m)] = colon[1]
 					} else {
 					} else {
@@ -272,7 +273,7 @@ func (p *ControllerRegistor) UrlFor(endpoint string, values ...string) string {
 	for _, route := range p.fixrouters {
 	for _, route := range p.fixrouters {
 		if route.controllerType.Name() == controllName {
 		if route.controllerType.Name() == controllName {
 			var finded bool
 			var finded bool
-			if inSlice(strings.ToLower(methodName), HTTPMETHOD) {
+			if utils.InSlice(strings.ToLower(methodName), HTTPMETHOD) {
 				if route.hasMethod {
 				if route.hasMethod {
 					if m, ok := route.methods[strings.ToLower(methodName)]; ok && m != methodName {
 					if m, ok := route.methods[strings.ToLower(methodName)]; ok && m != methodName {
 						finded = false
 						finded = false
@@ -303,7 +304,7 @@ func (p *ControllerRegistor) UrlFor(endpoint string, values ...string) string {
 	for _, route := range p.routers {
 	for _, route := range p.routers {
 		if route.controllerType.Name() == controllName {
 		if route.controllerType.Name() == controllName {
 			var finded bool
 			var finded bool
-			if inSlice(strings.ToLower(methodName), HTTPMETHOD) {
+			if utils.InSlice(strings.ToLower(methodName), HTTPMETHOD) {
 				if route.hasMethod {
 				if route.hasMethod {
 					if m, ok := route.methods[strings.ToLower(methodName)]; ok && m != methodName {
 					if m, ok := route.methods[strings.ToLower(methodName)]; ok && m != methodName {
 						finded = false
 						finded = false
@@ -419,7 +420,7 @@ func (p *ControllerRegistor) ServeHTTP(rw http.ResponseWriter, r *http.Request)
 		context.Output = beecontext.NewOutput(rw)
 		context.Output = beecontext.NewOutput(rw)
 	}
 	}
 
 
-	if !inSlice(strings.ToLower(r.Method), HTTPMETHOD) {
+	if !utils.InSlice(strings.ToLower(r.Method), HTTPMETHOD) {
 		http.Error(w, "Method Not Allowed", 405)
 		http.Error(w, "Method Not Allowed", 405)
 		goto Admin
 		goto Admin
 	}
 	}

@@ -9,9 +9,10 @@ import (
 	"io/ioutil"
 	"io/ioutil"
 	"os"
 	"os"
 	"path/filepath"
 	"path/filepath"
-	"reflect"
 	"regexp"
 	"regexp"
 	"strings"
 	"strings"
+
+	"github.com/astaxie/beego/utils"
 )
 )
 
 
 var (
 var (
@@ -144,7 +145,7 @@ func getTplDeep(root, file, parent string, t *template.Template) (*template.Temp
 	} else {
 	} else {
 		fileabspath = filepath.Join(root, file)
 		fileabspath = filepath.Join(root, file)
 	}
 	}
-	if e, _ := FileExists(fileabspath); !e {
+	if e := utils.FileExists(fileabspath); !e {
 		panic("can't find template file" + file)
 		panic("can't find template file" + file)
 	}
 	}
 	data, err := ioutil.ReadFile(fileabspath)
 	data, err := ioutil.ReadFile(fileabspath)
@@ -238,156 +239,3 @@ func _getTemplate(t0 *template.Template, root string, submods [][]string, others
 	}
 	}
 	return
 	return
 }
 }
-
-// go1.2 added template funcs. begin
-var (
-	errBadComparisonType = errors.New("invalid type for comparison")
-	errBadComparison     = errors.New("incompatible types for comparison")
-	errNoComparison      = errors.New("missing argument for comparison")
-)
-
-type kind int
-
-const (
-	invalidKind kind = iota
-	boolKind
-	complexKind
-	intKind
-	floatKind
-	integerKind
-	stringKind
-	uintKind
-)
-
-func basicKind(v reflect.Value) (kind, error) {
-	switch v.Kind() {
-	case reflect.Bool:
-		return boolKind, nil
-	case reflect.Int, reflect.Int8, reflect.Int16, reflect.Int32, reflect.Int64:
-		return intKind, nil
-	case reflect.Uint, reflect.Uint8, reflect.Uint16, reflect.Uint32, reflect.Uint64, reflect.Uintptr:
-		return uintKind, nil
-	case reflect.Float32, reflect.Float64:
-		return floatKind, nil
-	case reflect.Complex64, reflect.Complex128:
-		return complexKind, nil
-	case reflect.String:
-		return stringKind, nil
-	}
-	return invalidKind, errBadComparisonType
-}
-
-// eq evaluates the comparison a == b || a == c || ...
-func eq(arg1 interface{}, arg2 ...interface{}) (bool, error) {
-	v1 := reflect.ValueOf(arg1)
-	k1, err := basicKind(v1)
-	if err != nil {
-		return false, err
-	}
-	if len(arg2) == 0 {
-		return false, errNoComparison
-	}
-	for _, arg := range arg2 {
-		v2 := reflect.ValueOf(arg)
-		k2, err := basicKind(v2)
-		if err != nil {
-			return false, err
-		}
-		if k1 != k2 {
-			return false, errBadComparison
-		}
-		truth := false
-		switch k1 {
-		case boolKind:
-			truth = v1.Bool() == v2.Bool()
-		case complexKind:
-			truth = v1.Complex() == v2.Complex()
-		case floatKind:
-			truth = v1.Float() == v2.Float()
-		case intKind:
-			truth = v1.Int() == v2.Int()
-		case stringKind:
-			truth = v1.String() == v2.String()
-		case uintKind:
-			truth = v1.Uint() == v2.Uint()
-		default:
-			panic("invalid kind")
-		}
-		if truth {
-			return true, nil
-		}
-	}
-	return false, nil
-}
-
-// ne evaluates the comparison a != b.
-func ne(arg1, arg2 interface{}) (bool, error) {
-	// != is the inverse of ==.
-	equal, err := eq(arg1, arg2)
-	return !equal, err
-}
-
-// lt evaluates the comparison a < b.
-func lt(arg1, arg2 interface{}) (bool, error) {
-	v1 := reflect.ValueOf(arg1)
-	k1, err := basicKind(v1)
-	if err != nil {
-		return false, err
-	}
-	v2 := reflect.ValueOf(arg2)
-	k2, err := basicKind(v2)
-	if err != nil {
-		return false, err
-	}
-	if k1 != k2 {
-		return false, errBadComparison
-	}
-	truth := false
-	switch k1 {
-	case boolKind, complexKind:
-		return false, errBadComparisonType
-	case floatKind:
-		truth = v1.Float() < v2.Float()
-	case intKind:
-		truth = v1.Int() < v2.Int()
-	case stringKind:
-		truth = v1.String() < v2.String()
-	case uintKind:
-		truth = v1.Uint() < v2.Uint()
-	default:
-		panic("invalid kind")
-	}
-	return truth, nil
-}
-
-// le evaluates the comparison <= b.
-func le(arg1, arg2 interface{}) (bool, error) {
-	// <= is < or ==.
-	lessThan, err := lt(arg1, arg2)
-	if lessThan || err != nil {
-		return lessThan, err
-	}
-	return eq(arg1, arg2)
-}
-
-// gt evaluates the comparison a > b.
-func gt(arg1, arg2 interface{}) (bool, error) {
-	// > is the inverse of <=.
-	lessOrEqual, err := le(arg1, arg2)
-	if err != nil {
-		return false, err
-	}
-	return !lessOrEqual, nil
-}
-
-// ge evaluates the comparison a >= b.
-func ge(arg1, arg2 interface{}) (bool, error) {
-	// >= is the inverse of <.
-	lessThan, err := lt(arg1, arg2)
-	if err != nil {
-		return false, err
-	}
-	return !lessThan, nil
-}
-
-// go1.2 added template funcs. end

-package beego
-
-import (
-	"crypto/rand"
-	"fmt"
-	"html/template"
-	"net/url"
-	"os"
-	"reflect"
-	"regexp"
-	"strconv"
-	"strings"
-	"time"
-)
-
-func webTime(t time.Time) string {
-	ftime := t.Format(time.RFC1123)
-	if strings.HasSuffix(ftime, "UTC") {
-		ftime = ftime[0:len(ftime)-3] + "GMT"
-	}
-	return ftime
-}
-
-func Substr(s string, start, length int) string {
-	bt := []rune(s)
-	if start < 0 {
-		start = 0
-	}
-	var end int
-	if (start + length) > (len(bt) - 1) {
-		end = len(bt)
-	} else {
-		end = start + length
-	}
-	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)
-	return
-}
-
-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
-
-	// 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
-	"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
-
-	// day
-	"d", "02", // Day of the month, 2 digits with leading zeros 01 to 31
-	"j", "2", // Day of the month without leading zeros 1 to 31
-
-	// 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
-
-	// 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
-
-	"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
-
-	// time zone
-	"T", "MST",
-	"P", "-07:00",
-	"O", "-0700",
-
-	// RFC 2822
-	"r", time.RFC1123Z,
-}
-
-// Parse Date use PHP time format
-func DateParse(dateString, format string) (time.Time, error) {
-	replacer := strings.NewReplacer(DatePatterns...)
-	format = replacer.Replace(format)
-	return time.ParseInLocation(format, dateString, time.Local)
-}
-
-// Date takes a PHP like date func to Go's time format
-func Date(t time.Time, format string) string {
-	replacer := strings.NewReplacer(DatePatterns...)
-	format = replacer.Replace(format)
-	return t.Format(format)
-}
-
-// Compare is a quick and dirty comparison function. It will convert whatever you give it to strings and see if the two values are equal.
-// Whitespace is trimmed. Used by the template parser as "eq"
-func Compare(a, b interface{}) (equal bool) {
-	equal = false
-	if strings.TrimSpace(fmt.Sprintf("%v", a)) == strings.TrimSpace(fmt.Sprintf("%v", b)) {
-		equal = true
-	}
-	return
-}
-
-func Str2html(raw string) template.HTML {
-	return template.HTML(raw)
-}
-
-func Htmlquote(src string) string {
-	//HTML编码为实体符号
-	/*
-	   Encodes `text` for raw use in HTML.
-	       >>> htmlquote("<'&\\">")
-	       '&lt;&#39;&amp;&quot;&gt;'
-	*/
-
-	text := string(src)
-
-	text = strings.Replace(text, "&", "&amp;", -1) // Must be done first!
-	text = strings.Replace(text, "<", "&lt;", -1)
-	text = strings.Replace(text, ">", "&gt;", -1)
-	text = strings.Replace(text, "'", "&#39;", -1)
-	text = strings.Replace(text, "\"", "&quot;", -1)
-	text = strings.Replace(text, "“", "&ldquo;", -1)
-	text = strings.Replace(text, "”", "&rdquo;", -1)
-	text = strings.Replace(text, " ", "&nbsp;", -1)
-
-	return strings.TrimSpace(text)
-}
-
-func Htmlunquote(src string) string {
-	//实体符号解释为HTML
-	/*
-	   Decodes `text` that's HTML quoted.
-	       >>> htmlunquote('&lt;&#39;&amp;&quot;&gt;')
-	       '<\\'&">'
-	*/
-
-	// strings.Replace(s, old, new, n)
-	// 在s字符串中，把old字符串替换为new字符串，n表示替换的次数，小于0表示全部替换
-
-	text := string(src)
-	text = strings.Replace(text, "&nbsp;", " ", -1)
-	text = strings.Replace(text, "&rdquo;", "”", -1)
-	text = strings.Replace(text, "&ldquo;", "“", -1)
-	text = strings.Replace(text, "&quot;", "\"", -1)
-	text = strings.Replace(text, "&#39;", "'", -1)
-	text = strings.Replace(text, "&gt;", ">", -1)
-	text = strings.Replace(text, "&lt;", "<", -1)
-	text = strings.Replace(text, "&amp;", "&", -1) // Must be done last!
-
-	return strings.TrimSpace(text)
-}
-
-func inSlice(v string, sl []string) bool {
-	for _, vv := range sl {
-		if vv == v {
-			return true
-		}
-	}
-	return false
-}
-
-// parse form values to struct via tag
-func ParseForm(form url.Values, obj interface{}) error {
-	objT := reflect.TypeOf(obj)
-	objV := reflect.ValueOf(obj)
-	if !isStructPtr(objT) {
-		return fmt.Errorf("%v must be  a struct pointer", obj)
-	}
-	objT = objT.Elem()
-	objV = objV.Elem()
-
-	for i := 0; i < objT.NumField(); i++ {
-		fieldV := objV.Field(i)
-		if !fieldV.CanSet() {
-			continue
-		}
-
-		fieldT := objT.Field(i)
-		tags := strings.Split(fieldT.Tag.Get("form"), ",")
-		var tag string
-		if len(tags) == 0 || len(tags[0]) == 0 {
-			tag = fieldT.Name
-		} else if tags[0] == "-" {
-			continue
-		} else {
-			tag = tags[0]
-		}
-
-		value := form.Get(tag)
-		if len(value) == 0 {
-			continue
-		}
-
-		switch fieldT.Type.Kind() {
-		case reflect.Bool:
-			b, err := strconv.ParseBool(value)
-			if err != nil {
-				return err
-			}
-			fieldV.SetBool(b)
-		case reflect.Int, reflect.Int8, reflect.Int16, reflect.Int32, reflect.Int64:
-			x, err := strconv.ParseInt(value, 10, 64)
-			if err != nil {
-				return err
-			}
-			fieldV.SetInt(x)
-		case reflect.Uint, reflect.Uint8, reflect.Uint16, reflect.Uint32, reflect.Uint64:
-			x, err := strconv.ParseUint(value, 10, 64)
-			if err != nil {
-				return err
-			}
-			fieldV.SetUint(x)
-		case reflect.Float32, reflect.Float64:
-			x, err := strconv.ParseFloat(value, 64)
-			if err != nil {
-				return err
-			}
-			fieldV.SetFloat(x)
-		case reflect.Interface:
-			fieldV.Set(reflect.ValueOf(value))
-		case reflect.String:
-			fieldV.SetString(value)
-		}
-	}
-	return nil
-}
-
-// form types for RenderForm function
-var FormType = map[string]bool{
-	"text":     true,
-	"textarea": true,
-	"hidden":   true,
-	"password": true,
-}
-
-var unKind = map[reflect.Kind]bool{
-	reflect.Uintptr:       true,
-	reflect.Complex64:     true,
-	reflect.Complex128:    true,
-	reflect.Array:         true,
-	reflect.Chan:          true,
-	reflect.Func:          true,
-	reflect.Map:           true,
-	reflect.Ptr:           true,
-	reflect.Slice:         true,
-	reflect.Struct:        true,
-	reflect.UnsafePointer: true,
-}
-
-// obj must be a struct pointer
-func RenderForm(obj interface{}) template.HTML {
-	objT := reflect.TypeOf(obj)
-	objV := reflect.ValueOf(obj)
-	if !isStructPtr(objT) {
-		return template.HTML("")
-	}
-	objT = objT.Elem()
-	objV = objV.Elem()
-
-	var raw []string
-	for i := 0; i < objT.NumField(); i++ {
-		fieldV := objV.Field(i)
-		if !fieldV.CanSet() || unKind[fieldV.Kind()] {
-			continue
-		}
-
-		fieldT := objT.Field(i)
-		tags := strings.Split(fieldT.Tag.Get("form"), ",")
-		label := fieldT.Name + ": "
-		name := fieldT.Name
-		fType := "text"
-
-		switch len(tags) {
-		case 1:
-			if tags[0] == "-" {
-				continue
-			}
-			if len(tags[0]) > 0 {
-				name = tags[0]
-			}
-		case 2:
-			if len(tags[0]) > 0 {
-				name = tags[0]
-			}
-			if len(tags[1]) > 0 {
-				fType = tags[1]
-			}
-		case 3:
-			if len(tags[0]) > 0 {
-				name = tags[0]
-			}
-			if len(tags[1]) > 0 {
-				fType = tags[1]
-			}
-			if len(tags[2]) > 0 {
-				label = tags[2]
-			}
-		}
-
-		raw = append(raw, fmt.Sprintf(`%v<input name="%v" type="%v" value="%v">`,
-			label, name, fType, fieldV.Interface()))
-	}
-	return template.HTML(strings.Join(raw, "</br>"))
-}
-
-func isStructPtr(t reflect.Type) bool {
-	return t.Kind() == reflect.Ptr && t.Elem().Kind() == reflect.Struct
-}
-
-func stringsToJson(str string) string {
-	rs := []rune(str)
-	jsons := ""
-	for _, r := range rs {
-		rint := int(r)
-		if rint < 128 {
-			jsons += string(r)
-		} else {
-			jsons += "\\u" + strconv.FormatInt(int64(rint), 16) // json
-		}
-	}
-	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
-}
-
-func GetRandomString(n int) string {
-	const alphanum = "0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz"
-	var bytes = make([]byte, n)
-	rand.Read(bytes)
-	for i, b := range bytes {
-		bytes[i] = alphanum[b%byte(len(alphanum))]
-	}
-	return string(bytes)
-}
-
-// This will reference the index function local to the current blueprint:
-//	UrlFor(".index")
-//	...  print UrlFor("index")
-//	...  print UrlFor("login")
-//	...  print UrlFor("login", "next","/"")
-//	...  print UrlFor("profile", "username","John Doe")
-//	...
-//	/
-//	/login
-//	/login?next=/
-//	/user/John%20Doe
-func UrlFor(endpoint string, values ...string) string {
-	return BeeApp.UrlFor(endpoint, values...)
-}
-
-
-//This can be changed to a better name
-func AssetsJs(src string) template.HTML {
-	text := string(src)
-
-	text = "<script src=\""+src+"\"></script>"
-
-	return template.HTML(text)
-}
-
-//This can be changed to a better name
-func AssetsCss(src string) template.HTML {
-	text := string(src)
-
-	text = "<link href=\""+src+"\" rel=\"stylesheet\" />"
-
-	return template.HTML(text)
-}
+package beego
+
+import (
+	"errors"
+	"fmt"
+	"html/template"
+	"net/url"
+	"reflect"
+	"regexp"
+	"strconv"
+	"strings"
+	"time"
+)
+
+// Substr() return the substr from start to length
+func Substr(s string, start, length int) string {
+	bt := []rune(s)
+	if start < 0 {
+		start = 0
+	}
+	var end int
+	if (start + length) > (len(bt) - 1) {
+		end = len(bt)
+	} else {
+		end = start + length
+	}
+	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)
+	return
+}
+
+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
+
+	// 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
+	"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
+
+	// day
+	"d", "02", // Day of the month, 2 digits with leading zeros 01 to 31
+	"j", "2", // Day of the month without leading zeros 1 to 31
+
+	// 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
+
+	// 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
+
+	"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
+
+	// time zone
+	"T", "MST",
+	"P", "-07:00",
+	"O", "-0700",
+
+	// RFC 2822
+	"r", time.RFC1123Z,
+}
+
+// Parse Date use PHP time format
+func DateParse(dateString, format string) (time.Time, error) {
+	replacer := strings.NewReplacer(DatePatterns...)
+	format = replacer.Replace(format)
+	return time.ParseInLocation(format, dateString, time.Local)
+}
+
+// Date takes a PHP like date func to Go's time format
+func Date(t time.Time, format string) string {
+	replacer := strings.NewReplacer(DatePatterns...)
+	format = replacer.Replace(format)
+	return t.Format(format)
+}
+
+// Compare is a quick and dirty comparison function. It will convert whatever you give it to strings and see if the two values are equal.
+// Whitespace is trimmed. Used by the template parser as "eq"
+func Compare(a, b interface{}) (equal bool) {
+	equal = false
+	if strings.TrimSpace(fmt.Sprintf("%v", a)) == strings.TrimSpace(fmt.Sprintf("%v", b)) {
+		equal = true
+	}
+	return
+}
+
+func Str2html(raw string) template.HTML {
+	return template.HTML(raw)
+}
+
+func Htmlquote(src string) string {
+	//HTML编码为实体符号
+	/*
+	   Encodes `text` for raw use in HTML.
+	       >>> htmlquote("<'&\\">")
+	       '&lt;&#39;&amp;&quot;&gt;'
+	*/
+
+	text := string(src)
+
+	text = strings.Replace(text, "&", "&amp;", -1) // Must be done first!
+	text = strings.Replace(text, "<", "&lt;", -1)
+	text = strings.Replace(text, ">", "&gt;", -1)
+	text = strings.Replace(text, "'", "&#39;", -1)
+	text = strings.Replace(text, "\"", "&quot;", -1)
+	text = strings.Replace(text, "“", "&ldquo;", -1)
+	text = strings.Replace(text, "”", "&rdquo;", -1)
+	text = strings.Replace(text, " ", "&nbsp;", -1)
+
+	return strings.TrimSpace(text)
+}
+
+func Htmlunquote(src string) string {
+	//实体符号解释为HTML
+	/*
+	   Decodes `text` that's HTML quoted.
+	       >>> htmlunquote('&lt;&#39;&amp;&quot;&gt;')
+	       '<\\'&">'
+	*/
+
+	// strings.Replace(s, old, new, n)
+	// 在s字符串中，把old字符串替换为new字符串，n表示替换的次数，小于0表示全部替换
+
+	text := string(src)
+	text = strings.Replace(text, "&nbsp;", " ", -1)
+	text = strings.Replace(text, "&rdquo;", "”", -1)
+	text = strings.Replace(text, "&ldquo;", "“", -1)
+	text = strings.Replace(text, "&quot;", "\"", -1)
+	text = strings.Replace(text, "&#39;", "'", -1)
+	text = strings.Replace(text, "&gt;", ">", -1)
+	text = strings.Replace(text, "&lt;", "<", -1)
+	text = strings.Replace(text, "&amp;", "&", -1) // Must be done last!
+
+	return strings.TrimSpace(text)
+}
+
+// This will reference the index function local to the current blueprint:
+//	UrlFor(".index")
+//	...  print UrlFor("index")
+//	...  print UrlFor("login")
+//	...  print UrlFor("login", "next","/"")
+//	...  print UrlFor("profile", "username","John Doe")
+//	...
+//	/
+//	/login
+//	/login?next=/
+//	/user/John%20Doe
+func UrlFor(endpoint string, values ...string) string {
+	return BeeApp.UrlFor(endpoint, values...)
+}
+
+//This can be changed to a better name
+func AssetsJs(src string) template.HTML {
+	text := string(src)
+
+	text = "<script src=\"" + src + "\"></script>"
+
+	return template.HTML(text)
+}
+
+//This can be changed to a better name
+func AssetsCss(src string) template.HTML {
+	text := string(src)
+
+	text = "<link href=\"" + src + "\" rel=\"stylesheet\" />"
+
+	return template.HTML(text)
+}
+
+// parse form values to struct via tag
+func ParseForm(form url.Values, obj interface{}) error {
+	objT := reflect.TypeOf(obj)
+	objV := reflect.ValueOf(obj)
+	if !isStructPtr(objT) {
+		return fmt.Errorf("%v must be  a struct pointer", obj)
+	}
+	objT = objT.Elem()
+	objV = objV.Elem()
+
+	for i := 0; i < objT.NumField(); i++ {
+		fieldV := objV.Field(i)
+		if !fieldV.CanSet() {
+			continue
+		}
+
+		fieldT := objT.Field(i)
+		tags := strings.Split(fieldT.Tag.Get("form"), ",")
+		var tag string
+		if len(tags) == 0 || len(tags[0]) == 0 {
+			tag = fieldT.Name
+		} else if tags[0] == "-" {
+			continue
+		} else {
+			tag = tags[0]
+		}
+
+		value := form.Get(tag)
+		if len(value) == 0 {
+			continue
+		}
+
+		switch fieldT.Type.Kind() {
+		case reflect.Bool:
+			b, err := strconv.ParseBool(value)
+			if err != nil {
+				return err
+			}
+			fieldV.SetBool(b)
+		case reflect.Int, reflect.Int8, reflect.Int16, reflect.Int32, reflect.Int64:
+			x, err := strconv.ParseInt(value, 10, 64)
+			if err != nil {
+				return err
+			}
+			fieldV.SetInt(x)
+		case reflect.Uint, reflect.Uint8, reflect.Uint16, reflect.Uint32, reflect.Uint64:
+			x, err := strconv.ParseUint(value, 10, 64)
+			if err != nil {
+				return err
+			}
+			fieldV.SetUint(x)
+		case reflect.Float32, reflect.Float64:
+			x, err := strconv.ParseFloat(value, 64)
+			if err != nil {
+				return err
+			}
+			fieldV.SetFloat(x)
+		case reflect.Interface:
+			fieldV.Set(reflect.ValueOf(value))
+		case reflect.String:
+			fieldV.SetString(value)
+		}
+	}
+	return nil
+}
+
+// form types for RenderForm function
+var FormType = map[string]bool{
+	"text":     true,
+	"textarea": true,
+	"hidden":   true,
+	"password": true,
+}
+
+var unKind = map[reflect.Kind]bool{
+	reflect.Uintptr:       true,
+	reflect.Complex64:     true,
+	reflect.Complex128:    true,
+	reflect.Array:         true,
+	reflect.Chan:          true,
+	reflect.Func:          true,
+	reflect.Map:           true,
+	reflect.Ptr:           true,
+	reflect.Slice:         true,
+	reflect.Struct:        true,
+	reflect.UnsafePointer: true,
+}
+
+// obj must be a struct pointer
+func RenderForm(obj interface{}) template.HTML {
+	objT := reflect.TypeOf(obj)
+	objV := reflect.ValueOf(obj)
+	if !isStructPtr(objT) {
+		return template.HTML("")
+	}
+	objT = objT.Elem()
+	objV = objV.Elem()
+
+	var raw []string
+	for i := 0; i < objT.NumField(); i++ {
+		fieldV := objV.Field(i)
+		if !fieldV.CanSet() || unKind[fieldV.Kind()] {
+			continue
+		}
+
+		fieldT := objT.Field(i)
+		tags := strings.Split(fieldT.Tag.Get("form"), ",")
+		label := fieldT.Name + ": "
+		name := fieldT.Name
+		fType := "text"
+
+		switch len(tags) {
+		case 1:
+			if tags[0] == "-" {
+				continue
+			}
+			if len(tags[0]) > 0 {
+				name = tags[0]
+			}
+		case 2:
+			if len(tags[0]) > 0 {
+				name = tags[0]
+			}
+			if len(tags[1]) > 0 {
+				fType = tags[1]
+			}
+		case 3:
+			if len(tags[0]) > 0 {
+				name = tags[0]
+			}
+			if len(tags[1]) > 0 {
+				fType = tags[1]
+			}
+			if len(tags[2]) > 0 {
+				label = tags[2]
+			}
+		}
+
+		raw = append(raw, fmt.Sprintf(`%v<input name="%v" type="%v" value="%v">`,
+			label, name, fType, fieldV.Interface()))
+	}
+	return template.HTML(strings.Join(raw, "</br>"))
+}
+
+func isStructPtr(t reflect.Type) bool {
+	return t.Kind() == reflect.Ptr && t.Elem().Kind() == reflect.Struct
+}
+
+// go1.2 added template funcs. begin
+var (
+	errBadComparisonType = errors.New("invalid type for comparison")
+	errBadComparison     = errors.New("incompatible types for comparison")
+	errNoComparison      = errors.New("missing argument for comparison")
+)
+
+type kind int
+
+const (
+	invalidKind kind = iota
+	boolKind
+	complexKind
+	intKind
+	floatKind
+	integerKind
+	stringKind
+	uintKind
+)
+
+func basicKind(v reflect.Value) (kind, error) {
+	switch v.Kind() {
+	case reflect.Bool:
+		return boolKind, nil
+	case reflect.Int, reflect.Int8, reflect.Int16, reflect.Int32, reflect.Int64:
+		return intKind, nil
+	case reflect.Uint, reflect.Uint8, reflect.Uint16, reflect.Uint32, reflect.Uint64, reflect.Uintptr:
+		return uintKind, nil
+	case reflect.Float32, reflect.Float64:
+		return floatKind, nil
+	case reflect.Complex64, reflect.Complex128:
+		return complexKind, nil
+	case reflect.String:
+		return stringKind, nil
+	}
+	return invalidKind, errBadComparisonType
+}
+
+// eq evaluates the comparison a == b || a == c || ...
+func eq(arg1 interface{}, arg2 ...interface{}) (bool, error) {
+	v1 := reflect.ValueOf(arg1)
+	k1, err := basicKind(v1)
+	if err != nil {
+		return false, err
+	}
+	if len(arg2) == 0 {
+		return false, errNoComparison
+	}
+	for _, arg := range arg2 {
+		v2 := reflect.ValueOf(arg)
+		k2, err := basicKind(v2)
+		if err != nil {
+			return false, err
+		}
+		if k1 != k2 {
+			return false, errBadComparison
+		}
+		truth := false
+		switch k1 {
+		case boolKind:
+			truth = v1.Bool() == v2.Bool()
+		case complexKind:
+			truth = v1.Complex() == v2.Complex()
+		case floatKind:
+			truth = v1.Float() == v2.Float()
+		case intKind:
+			truth = v1.Int() == v2.Int()
+		case stringKind:
+			truth = v1.String() == v2.String()
+		case uintKind:
+			truth = v1.Uint() == v2.Uint()
+		default:
+			panic("invalid kind")
+		}
+		if truth {
+			return true, nil
+		}
+	}
+	return false, nil
+}
+
+// ne evaluates the comparison a != b.
+func ne(arg1, arg2 interface{}) (bool, error) {
+	// != is the inverse of ==.
+	equal, err := eq(arg1, arg2)
+	return !equal, err
+}
+
+// lt evaluates the comparison a < b.
+func lt(arg1, arg2 interface{}) (bool, error) {
+	v1 := reflect.ValueOf(arg1)
+	k1, err := basicKind(v1)
+	if err != nil {
+		return false, err
+	}
+	v2 := reflect.ValueOf(arg2)
+	k2, err := basicKind(v2)
+	if err != nil {
+		return false, err
+	}
+	if k1 != k2 {
+		return false, errBadComparison
+	}
+	truth := false
+	switch k1 {
+	case boolKind, complexKind:
+		return false, errBadComparisonType
+	case floatKind:
+		truth = v1.Float() < v2.Float()
+	case intKind:
+		truth = v1.Int() < v2.Int()
+	case stringKind:
+		truth = v1.String() < v2.String()
+	case uintKind:
+		truth = v1.Uint() < v2.Uint()
+	default:
+		panic("invalid kind")
+	}
+	return truth, nil
+}
+
+// le evaluates the comparison <= b.
+func le(arg1, arg2 interface{}) (bool, error) {
+	// <= is < or ==.
+	lessThan, err := lt(arg1, arg2)
+	if lessThan || err != nil {
+		return lessThan, err
+	}
+	return eq(arg1, arg2)
+}
+
+// gt evaluates the comparison a > b.
+func gt(arg1, arg2 interface{}) (bool, error) {
+	// > is the inverse of <=.
+	lessOrEqual, err := le(arg1, arg2)
+	if err != nil {
+		return false, err
+	}
+	return !lessOrEqual, nil
+}
+
+// ge evaluates the comparison a >= b.
+func ge(arg1, arg2 interface{}) (bool, error) {
+	// >= is the inverse of <.
+	lessThan, err := lt(arg1, arg2)
+	if err != nil {
+		return false, err
+	}
+	return !lessThan, nil
+}
+
+// go1.2 added template funcs. end

@@ -7,18 +7,6 @@ import (
 	"time"
 	"time"
 )
 )
 
 
-func TestWebTime(t *testing.T) {
-	ts := "Fri, 26 Jul 2013 12:27:42 CST"
-	l, _ := time.LoadLocation("GST")
-	tt, _ := time.ParseInLocation(time.RFC1123, ts, l)
-	if ts != webTime(tt) {
-		t.Error("should be equal")
-	}
-	if "Fri, 26 Jul 2013 12:27:42 GMT" != webTime(tt.UTC()) {
-		t.Error("should be equal")
-	}
-}
-
 func TestSubstr(t *testing.T) {
 func TestSubstr(t *testing.T) {
 	s := `012345`
 	s := `012345`
 	if Substr(s, 0, 2) != "01" {
 	if Substr(s, 0, 2) != "01" {
@@ -92,16 +80,6 @@ func TestHtmlunquote(t *testing.T) {
 	}
 	}
 }
 }
 
 
-func TestInSlice(t *testing.T) {
-	sl := []string{"A", "b"}
-	if !inSlice("A", sl) {
-		t.Error("should be true")
-	}
-	if inSlice("B", sl) {
-		t.Error("should be false")
-	}
-}
-
 func TestParseForm(t *testing.T) {
 func TestParseForm(t *testing.T) {
 	type user struct {
 	type user struct {
 		Id    int         `form:"-"`
 		Id    int         `form:"-"`

@@ -30,7 +30,7 @@ func FileExists(name string) bool {
 
 
 // search a file in paths.
 // search a file in paths.
 // this is offen used in search config file in /etc ~/
 // this is offen used in search config file in /etc ~/
-func LookFile(filename string, paths ...string) (fullpath string, err error) {
+func SearchFile(filename string, paths ...string) (fullpath string, err error) {
 	for _, path := range paths {
 	for _, path := range paths {
 		if fullpath = filepath.Join(path, filename); FileExists(fullpath) {
 		if fullpath = filepath.Join(path, filename); FileExists(fullpath) {
 			return
 			return
@@ -41,7 +41,7 @@ func LookFile(filename string, paths ...string) (fullpath string, err error) {
 }
 }
 
 
 // like command grep -E
 // like command grep -E
-// for example: GrepE(`^hello`, "hello.txt")
+// for example: GrepFile(`^hello`, "hello.txt")
 // \n is striped while read
 // \n is striped while read
 func GrepFile(patten string, filename string) (lines []string, err error) {
 func GrepFile(patten string, filename string) (lines []string, err error) {
 	re, err := regexp.Compile(patten)
 	re, err := regexp.Compile(patten)

@@ -23,7 +23,7 @@ func TestSelfDir(t *testing.T) {
 
 
 func TestFileExists(t *testing.T) {
 func TestFileExists(t *testing.T) {
 	if !FileExists("./file.go") {
 	if !FileExists("./file.go") {
-		t.Errorf("/bin/echo should exists, but it didn't")
+		t.Errorf("./file.go should exists, but it didn't")
 	}
 	}
 
 
 	if FileExists(noExistedFile) {
 	if FileExists(noExistedFile) {
@@ -31,14 +31,14 @@ func TestFileExists(t *testing.T) {
 	}
 	}
 }
 }
 
 
-func TestLookFile(t *testing.T) {
-	path, err := LookFile(filepath.Base(SelfPath()), SelfDir())
+func TestSearchFile(t *testing.T) {
+	path, err := SearchFile(filepath.Base(SelfPath()), SelfDir())
 	if err != nil {
 	if err != nil {
 		t.Error(err)
 		t.Error(err)
 	}
 	}
 	t.Log(path)
 	t.Log(path)
 
 
-	path, err = LookFile(noExistedFile, ".")
+	path, err = SearchFile(noExistedFile, ".")
 	if err == nil {
 	if err == nil {
 		t.Errorf("err shouldnot be nil, got path: %s", SelfDir())
 		t.Errorf("err shouldnot be nil, got path: %s", SelfDir())
 	}
 	}

-package beego
+package utils
 
 
 import (
 import (
 	"sync"
 	"sync"

-package beego
+package utils
 
 
 import (
 import (
 	"testing"
 	"testing"

+package utils
+
+import (
+	"math/rand"
+	"time"
+)
+
+type reducetype func(interface{}) interface{}
+type filtertype func(interface{}) bool
+
+func InSlice(v string, sl []string) bool {
+	for _, vv := range sl {
+		if vv == v {
+			return true
+		}
+	}
+	return false
+}
+
+func InSliceIface(v interface{}, sl []interface{}) bool {
+	for _, vv := range sl {
+		if vv == v {
+			return true
+		}
+	}
+	return false
+}
+
+func SliceRandList(min, max int) []int {
+	if max < min {
+		min, max = max, min
+	}
+	length := max - min + 1
+	t0 := time.Now()
+	rand.Seed(int64(t0.Nanosecond()))
+	list := rand.Perm(length)
+	for index, _ := range list {
+		list[index] += min
+	}
+	return list
+}
+
+func SliceMerge(slice1, slice2 []interface{}) (c []interface{}) {
+	c = append(slice1, slice2...)
+	return
+}
+
+func SliceReduce(slice []interface{}, a reducetype) (dslice []interface{}) {
+	for _, v := range slice {
+		dslice = append(dslice, a(v))
+	}
+	return
+}
+
+func SliceRand(a []interface{}) (b interface{}) {
+	randnum := rand.Intn(len(a))
+	b = a[randnum]
+	return
+}
+
+func SliceSum(intslice []int64) (sum int64) {
+	for _, v := range intslice {
+		sum += v
+	}
+	return
+}
+
+func SliceFilter(slice []interface{}, a filtertype) (ftslice []interface{}) {
+	for _, v := range slice {
+		if a(v) {
+			ftslice = append(ftslice, v)
+		}
+	}
+	return
+}
+
+func SliceDiff(slice1, slice2 []interface{}) (diffslice []interface{}) {
+	for _, v := range slice1 {
+		if !InSliceIface(v, slice2) {
+			diffslice = append(diffslice, v)
+		}
+	}
+	return
+}
+
+func SliceIntersect(slice1, slice2 []interface{}) (diffslice []interface{}) {
+	for _, v := range slice1 {
+		if !InSliceIface(v, slice2) {
+			diffslice = append(diffslice, v)
+		}
+	}
+	return
+}
+
+func SliceChunk(slice []interface{}, size int) (chunkslice [][]interface{}) {
+	if size >= len(slice) {
+		chunkslice = append(chunkslice, slice)
+		return
+	}
+	end := size
+	for i := 0; i <= (len(slice) - size); i += size {
+		chunkslice = append(chunkslice, slice[i:end])
+		end += size
+	}
+	return
+}
+
+func SliceRange(start, end, step int64) (intslice []int64) {
+	for i := start; i <= end; i += step {
+		intslice = append(intslice, i)
+	}
+	return
+}
+
+func SlicePad(slice []interface{}, size int, val interface{}) []interface{} {
+	if size <= len(slice) {
+		return slice
+	}
+	for i := 0; i < (size - len(slice)); i++ {
+		slice = append(slice, val)
+	}
+	return slice
+}
+
+func SliceUnique(slice []interface{}) (uniqueslice []interface{}) {
+	for _, v := range slice {
+		if !InSliceIface(v, uniqueslice) {
+			uniqueslice = append(uniqueslice, v)
+		}
+	}
+	return
+}
+
+func SliceShuffle(slice []interface{}) []interface{} {
+	for i := 0; i < len(slice); i++ {
+		a := rand.Intn(len(slice))
+		b := rand.Intn(len(slice))
+		slice[a], slice[b] = slice[b], slice[a]
+	}
+	return slice
+}

+package utils
+
+import (
+	"testing"
+)
+
+func TestInSlice(t *testing.T) {
+	sl := []string{"A", "b"}
+	if !InSlice("A", sl) {
+		t.Error("should be true")
+	}
+	if InSlice("B", sl) {
+		t.Error("should be false")
+	}
+}