不幸的是，我为我的项目写了一个子视图。虽然它之前渲染得非常好并且完全符合我的要求，但我了解到我的应用程序结构不正确。我正在重组，其他一切都像一个魅力，但我的新设置似乎没有在它的el. el渲染非常好，但没有插入任何内容。我console.log()在打印的template那个应该渲染的地方放了一个，它是完美的。但是，该that.$.el.html()行根本不呈现模板。我不确定发生了什么。该文件如下。我的野心正在杀死我！
contactlist.js（查看）：
define([
'jquery',
'underscore',
'backbone',
'text!templates/contactlist.html',
'collections/contacts'
], function($, _, Backbone, contactListTemplate, Contacts){
var ContactListView = Backbone.View.extend({
initialize: function () {
var that = this;
this.options = {
idclicked: null,
query: null,
scrolled: 0
};
this.options.get = function (property) {
return that.options[property];
};
this.options.set = function (properties) {
for (property in properties) {
that.options[property] = properties[property];
}
};
},
el: '.contact-list',
render: function() {
var that = this;
var contacts = new Contacts();
contacts.fetch({
success: function(contacts) {
var results = contacts.models;
if (that.options.query || that.options.query === '') {
var query = that.options.query.toUpperCase();
var results = contacts.toArray();
results = contacts.filter(function(contact){
return _.any(['firstname', 'lastname', 'email', 'phonenumber'], function(attr){
return contact.get(attr).toString().toUpperCase().indexOf(query) !== -1;
});
});
that.options.set({idclicked: null});
}
if (!that.options.idclicked && results[0]) {
that.options.idclicked = results[0].get('id');
Backbone.history.navigate('/contacts/' + results[0].get('id'), {trigger: true});
}
var template = _.template(contactListTemplate, {contacts: results, idclicked: that.options.idclicked});
that.$el.html(template);
$(document).ready(function() {
$('.contact-list').scrollTop(that.options.scrolled);
});
}
});
},
events: {
'click .contact': 'clickContact'
},
clickContact: function (ev) {
$('.contact-clicked').removeClass('contact-clicked').addClass('contact');
$(ev.currentTarget).addClass('contact-clicked').removeClass('contact');
window.location.replace($(ev.currentTarget).children('a').attr('href'));
}
});
return ContactListView;
});
更新：
尝试了一件有效的事情，但不确定这是否是一种好习惯。下面的代码是父视图：
allcontacts.js（查看）：
define([
'jquery',
'underscore',
'backbone',
'text!templates/allcontacts.html',
'views/contactlist',
'collections/contacts'
], function($, _, Backbone, allContactsTemplate, ContactListView, Contacts) {
var AllContactsView = Backbone.View.extend({
initialize: function () {
var that = this;
this.options = {
idclicked: null,
pageloaded: false,
renderlist: true,
scrolled: null
};
this.options.get = function (property) {
return that.options[property];
};
this.options.set = function (properties) {
for (property in properties) {
that.options[property] = properties[property];
}
};
that.contactListView = new ContactListView();
},
el: '.allcontacts',
render: function() {
var that = this;
if (!that.options.pageloaded) {
var template = _.template(allContactsTemplate, {});
that.$el.html(template)
}
if (that.options.renderlist) {
this.contactListView.options.set({idclicked: that.options.idclicked, scrolled: that.options.scrolled});
this.contactListView.setElement('.contact-list').render();
}
},
events: {
'keyup .search': 'search',
'submit .search-contacts-form': 'cancelSubmit'
},
search: function (ev) {
this.contactListView.options.set({idclicked: this.options.idclicked, query: $(ev.currentTarget).val(), scrolled: this.options.scrolled});
this.contactListView.setElement('.contact-list').render();
},
cancelSubmit: function (ev) {
return false;
}
});
return AllContactsView;
});