Javascript 嵌套主干视图未添加到DOM
我不熟悉Backbone.js,很难显示嵌套视图。Login视图的render方法将激发,但不会向DOM中添加任何内容。它似乎没有从父视图中看到元素Javascript 嵌套主干视图未添加到DOM,javascript,templates,backbone.js,views,Javascript,Templates,Backbone.js,Views,我不熟悉Backbone.js,很难显示嵌套视图。Login视图的render方法将激发,但不会向DOM中添加任何内容。它似乎没有从父视图中看到元素 elm.views.Navigation = Backbone.View.extend({ render: function () { this.$el.html(this.template()); new elm.views.Login({model: this.model, el: '#login'})
elm.views.Navigation = Backbone.View.extend({
render: function () {
this.$el.html(this.template());
new elm.views.Login({model: this.model, el: '#login'});
return this;
},
events: {
'mousedown li': 'mouseDown',
'mouseup li': 'mouseUp',
'click .btn-login': 'login'
},
mouseDown: function (e) {
$(e.currentTarget).addClass('active');
},
mouseUp: function () {
$('li').removeClass('active');
},
login: function () {
$(document).trigger('login');
return false;
}
});
elm.views.Login = Backbone.View.extend({
initialize: function() {
this.render();
},
render: function () {
console.log("login render");
this.$el.html(this.template(this.model.toJSON()));
return this;
},
events: {
'click .login': 'login',
'click .logout': 'logout'
},
login: function (e) {
$(document).trigger('login');
return false;
},
logout: function (e) {
$(document).trigger('logout');
return false;
}
});
回复评论:
导航视图将从路由器的初始值设定项中显示:
initialize: function() {
elm.user = new elm.models.Person();
elm.navigationView = new elm.views.Navigation({model: elm.user});
$("#pageContent").html(elm.navigationView.render().el);
},
导航视图在分离的DOM节点上工作,这意味着登录视图找不到
#login
,因此无法填充
将容器作为el
参数传递到主视图:
elm.navigationView = new elm.views.Navigation({
model: elm.user,
el: "#pageContent"
});
navigationView.render();
elm.views.Navigation = Backbone.View.extend({
render: function () {
this.$el.html(this.template());
new elm.views.Login({el: this.$('#login')});
return this;
}
...
});
演示
或将子元素的范围限定到主视图中使用的元素:
elm.navigationView = new elm.views.Navigation({
model: elm.user,
el: "#pageContent"
});
navigationView.render();
elm.views.Navigation = Backbone.View.extend({
render: function () {
this.$el.html(this.template());
new elm.views.Login({el: this.$('#login')});
return this;
}
...
});
能否提供有关如何启动elm.views.Navigation的更多详细信息?主干使用JQUERY并在页面周围查找元素,因此如何启动第一个视图非常重要。您是如何将导航添加到DOM的?@NimaShahri请参见上面编辑的问题。