修改13.5中的blog范例的api，从而能在新版beego中正常运行

Author: zerob13

ebook/13.5.md

@@ -24,15 +24,15 @@
 博客主要的路由规则如下所示：
 
 	//显示博客首页
-	beego.RegisterController("/", &controllers.IndexController{})
+	beego.Router("/", &controllers.IndexController{})
 	//查看博客详细信息
-	beego.RegisterController("/view/:id([0-9]+)", &controllers.ViewController{})
+	beego.Router("/view/:id([0-9]+)", &controllers.ViewController{})
 	//新建博客博文
-	beego.RegisterController("/new", &controllers.NewController{})
+	beego.Router("/new", &controllers.NewController{})
 	//删除博文
-	beego.RegisterController("/delete/:id([0-9]+)", &controllers.DeleteController{})
+	beego.Router("/delete/:id([0-9]+)", &controllers.DeleteController{})
 	//编辑博文
-	beego.RegisterController("/edit/:id([0-9]+)", &controllers.EditController{})
+	beego.Router("/edit/:id([0-9]+)", &controllers.EditController{})
 
 
 ## 数据库结构
@@ -66,8 +66,7 @@ ViewController:
 	}
 
 	func (this *ViewController) Get() {
-		inputs := this.Input()
-		id, _ := strconv.Atoi(this.Ctx.Params[":id"])
+		id, _ := strconv.Atoi(this.Ctx.Input.Params[":id"])
 		this.Data["Post"] = models.GetBlog(id)
 		this.Layout = "layout.tpl"
 		this.TplNames = "view.tpl"
@@ -101,8 +100,7 @@ EditController
 	}
 
 	func (this *EditController) Get() {
-		inputs := this.Input()
-		id, _ := strconv.Atoi(this.Ctx.Params[":id"])
+		id, _ := strconv.Atoi(this.Ctx.Input.Params[":id"])
 		this.Data["Post"] = models.GetBlog(id)
 		this.Layout = "layout.tpl"
 		this.TplNames = "new.tpl"
@@ -126,8 +124,10 @@ DeleteController
 	}
 
 	func (this *DeleteController) Get() {
-		id, _ := strconv.Atoi(this.Ctx.Params[":id"])
-		this.Data["Post"] = models.DelBlog(id)
+		id, _ := strconv.Atoi(this.Ctx.Params[":id"])
+		blog := GetBlog(id int)
+		this.Data["Post"] = blog
+		models.DelBlog(blog)
 		this.Ctx.Redirect(302, "/")
 	}