Version 0.3.8

* 新增模板渲染支持，新增Renderer接口，需实现Render(io.Writer, string, interface{}, *HttpContext) error
* 支持接入第三方模板引擎，默认使用http/template内建引擎
* HttpContext增加ViewData，用于向模板传递值
* HttpContext增加View()方法，传入模板文件名，用于简化模板使用：View(name string) error
* 增加example\render
* 2017-03-26 11:10

Author: pzrr@qq.com

example/render/main.go

@@ -0,0 +1,63 @@
+package main
+
+import (
+	"fmt"
+	"github.com/devfeel/dotweb"
+	"github.com/devfeel/dotweb/framework/file"
+	"strconv"
+)
+
+func main() {
+	//初始化DotServer
+	app := dotweb.New()
+
+	//设置dotserver日志目录
+	app.SetLogPath(file.GetCurrentDirectory())
+
+	//设置Debug开关
+	app.SetEnabledDebug(true)
+
+	//设置gzip开关
+	//app.SetEnabledGzip(true)
+
+	//设置路由
+	InitRoute(app.HttpServer)
+
+	//启动 监控服务
+	//pprofport := 8081
+	//go app.StartPProfServer(pprofport)
+
+	// 开始服务
+	port := 8080
+	fmt.Println("dotweb.StartServer => " + strconv.Itoa(port))
+	err := app.StartServer(port)
+	fmt.Println("dotweb.StartServer error => ", err)
+}
+
+type UserInfo struct {
+	UserName string
+	Sex      bool
+}
+
+type BookInfo struct {
+	Name string
+	Size int64
+}
+
+func TestView(ctx *dotweb.HttpContext) {
+	ctx.ViewData().Set("data", "图书信息")
+	ctx.ViewData().Set("user", &UserInfo{UserName: "user1", Sex: true})
+	m := make([]*BookInfo, 5)
+	m[0] = &BookInfo{Name: "book0", Size: 1}
+	m[1] = &BookInfo{Name: "book1", Size: 10}
+	m[2] = &BookInfo{Name: "book2", Size: 100}
+	m[3] = &BookInfo{Name: "book3", Size: 1000}
+	m[4] = &BookInfo{Name: "book4", Size: 10000}
+	ctx.ViewData().Set("Books", m)
+
+	ctx.View("d:/gotmp/testview.html")
+}
+
+func InitRoute(server *dotweb.HttpServer) {
+	server.Router().GET("/", TestView)
+}

render.go

@@ -0,0 +1,48 @@
+package dotweb
+
+import (
+	"html/template"
+	"io"
+	"io/ioutil"
+	"path/filepath"
+)
+
+//Renderer is the interface that wraps the render method.
+type Renderer interface {
+	Render(io.Writer, string, interface{}, *HttpContext) error
+}
+
+type innerRenderer struct {
+}
+
+// Render render view use http/template
+func (r *innerRenderer) Render(w io.Writer, tpl string, data interface{}, ctx *HttpContext) error {
+	t, err := parseFile(tpl)
+	if err != nil {
+		return err
+	}
+	return t.Execute(w, data)
+}
+
+// return http/template by gived file name
+func parseFile(filename string) (*template.Template, error) {
+	var t *template.Template
+	b, err := ioutil.ReadFile(filename)
+	if err != nil {
+		return nil, err
+	}
+	s := string(b)
+	name := filepath.Base(filename)
+	t = template.New(name)
+	_, err = t.Parse(s)
+	if err != nil {
+		return nil, err
+	}
+	return t, nil
+}
+
+// NewInnerRenderer create a inner renderer instance
+func NewInnerRenderer() *innerRenderer {
+	r := new(innerRenderer)
+	return r
+}

version.MD

@@ -2,7 +2,7 @@
 
 #### Version 0.3.8
 * 新增模板渲染支持，新增Renderer接口，需实现Render(io.Writer, string, interface{}, *HttpContext) error
-* 支持接入不同的模板引擎，默认使用http/template内建引擎
+* 支持接入第三方模板引擎，默认使用http/template内建引擎
 * HttpContext增加ViewData，用于向模板传递值
 * HttpContext增加View()方法，传入模板文件名，用于简化模板使用：View(name string) error
 * 增加example\render