我想將模型的待辦事項從TodoListView傳遞到TodoView。但它不能。我的代碼是這樣的。backbone.js無法將模型項目從集合的視圖傳遞到項目的視圖
define(["jquery","underscore","backbone","todo_view","todo"],
function($,_,Backbone,TodoView,Todo){
var TodoListview = Backbone.View.extend({
tagName: "ul",
initialize:function(){
_.templateSettings.interpolate = /\{\{(.+?)\}\}/g;
_.bindAll(this,"addTodo","render");
this.collection.bind("add",this.addTodo,this);
this.collection.bind("reset",this.render,this);
},
render:function(){
this.$el.empty();
this.collection.each(this.addTodo);
return this;
},
addTodo:function(item){
console.log(item.get("title"));
// it's works correctly -> Backbone.model
var todoView = new TodoView({model:item});
var str = todoView.render().$el;
this.$el.append(str);
}
});
return TodoListview;
});
// todo_view.js
define(["backbone","underscore"],function(Backbone,_){
var TodoView = Backbone.View.extend({
tagName: "li",
template: "#todo-view-template",
events: {
"click .done": "toggleDone"
},
initialize:function(){
_.templateSettings.interpolate = /\{\{(.+?)\}\}/g;
this.render();
},
render:function(){
var str = $(this.template).html();
var template = _.template(str,{name: "hello"});
console.log(this.model) //#-> Backbone.Model.
console.log(this.model.get("title")
//#-> undefined get method. why??
return this;
},
toggleDone:function(){
}
});
return TodoView;
});
我不明白爲什麼this.model.get( 「標題」)中TodoView輸出方法不明確的。你有什麼主意嗎?感謝提前。
你爲什麼要呈現'TodoView'兩次?一旦進入'TodoView.initialize'並且一次進入'TodoListview.addTodo'。你可以從'initialize'方法中刪除它。 –
你如何實例化'TodoListView'?它可能有助於查看該代碼。 – numbers1311407