在我的应用程序中,我创建了一个视图。这个视图由一个模板组成,就像一个小表格。窗体有一个按钮,在我的视图中,我创建一个点击事件来处理这个按钮,以创建另一个视图的新实例,将表单数据传递给此视图并将数据放在html元素上。问题是:如果我在家中路线或产品3次输入并发送表单数据,将出现3个相同的表单数据。骨干创建一个新的视图实例每个请求页面
表单视图
window.userFormView = Backbone.View.extend({
el:$("#principal"),
events : {
'click .userButton' : 'newUser'
},
initialize:function(){
this.template = _.template($("#userFormView").html());
},
newUser : function(ev) {
ev.preventDefault();
//criamos uma nova instancia do model
window.user_view = new userViewes({model: users});
var u = { nome : $("#iName").val() ,sobrenome : $("#iLName").val() };
var user = new userModel(u);
users.add(user);
console.log(users);
return false;
},
render: function() {
this.$el.html("");
this.$el.html(this.template);
}
});
表单模板查看
<script type="text/template" id="userFormView">
<form action="" id="form-new-user" class="formulario">
<span class="label">Name?</span><input type="text" id="iName" class="input">
<span class="label">Last Name?</span><input type="text" id="iLName" class="input">
<button class="userButton">Send</button>
<hr>
</form>
</script>
和我的路线是这样的:
window.AppRouter = Backbone.Router.extend({
//
// Definindo rotas
//
routes: {
'home': 'index',
'product': 'productsList',
'foo1': 'doNothing1',
'foo2': 'doNothing2'
},
index: function() {
window.users = new userCollections();
window.userForm = new userFormView();
},
productsList : function() {
window.pCollection = new productCollections();
window.produtoForm = new produtoFormView();
},
doNothing1: function() {
console.log('doNothing1()');
},
doNothing2: function() {
console.log('doNothing2()');
}
});
window.router = new AppRouter();
Backbone.history.start();
userViewes查看
window.userViewes = Backbone.View.extend({
// model: users,
el: $("#userContainer"),
initialize: function(){
this.model.on("add", this.render, this);
this.model.on("remove", this.render, this);
},
render: function() {
var self = this;
self.$el.html("");
this.model.each(function(user, indice) {
self.$el.append((new userView({model: user })).render().$el);
});
return this;
}
});
,最终用户视图:
window.userView = Backbone.View.extend({
//model: new userModel(),
tagName : 'div',
class : "userName",
events :{
'click .editar' : 'editar',
'click .remover' : 'remover',
'blur .sobrenome': 'fechar',
'keypress .sobrenome' : 'onEnterUpdate',
},
editar : function(ev) {
ev.preventDefault();
this.$('.sobrenome').attr('contenteditable', true).focus();
},
fechar : function(ev) {
var sobrenome = $(".sobrenome").text();
this.model.set("sobrenome", sobrenome);
$(".sobrenome").val();
this.$(".sobrenome").removeAttr("contenteditable");
},
onEnterUpdate : function(ev) {
var self = this;
if(ev.keyCode == 13) {
self.fechar();
_.delay(function(){
self.$(".sobrenome").blur();
}, 100);
}
},
remover : function(ev) {
ev.preventDefault();
window.users.remove(this.model);
},
initialize: function(){
this.template = _.template($("#userTemplate").html());
},
render : function() {
this.$el.html(this.template(this.model.toJSON()));
return this;
}
});
不清楚'userViewes'的作用,一般而言,您的问题 –
您是对的。我添加了userViewes和userViewes,这是一个由userViewes实例化的视图。 –