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我目前使用的是knockout.js框架。我已经采取了基本联系表格example,并将其修改为符合我自己的需要。每个联系人的状态为ACTIVE
或INACTIVE
。在状态下拉菜单中,我想显示联系人的选定状态。而不是获得两个选项,我得到一个通常的选择选项列表。如何在knockout.js中正确显示下拉菜单?每@ haim770 DEMO填充下拉菜单 - 从服务器中选择的选项
编辑:
var ContactsModel = function (contacts) {
var self = this;
self.contacts = ko.observableArray(ko.utils.arrayMap(contacts, function (contact) {
return {
firstName: contact.firstName,
lastName: contact.lastName,
selectedOptionValue : contact.selectedOptionValue,
phone: contact.phone,
alt_phone: contact.alt_phone,
main1: ko.observable(contact.main1),
main2: ko.observable(contact.main2)
};
}));
self.statusList = ['ACTIVE', 'INACTIVE'];
self.addContact = function() {
self.contacts.push({
firstName: "",
lastName: "",
selectedOptionValue : ko.observable("ACTIVE"),
phone: "",
alt_phone: "",
main1: false,
main2: false
});
};
self.removeContact = function (contact) {
self.contacts.remove(contact);
};
self.addPhone = function (contact) {
contact.phones.push({
number: ""
});
};
self.removePhone = function (phone) {
$.each(self.contacts(), function() {
this.phones.remove(phone)
})
};
self.save = function() {
self.lastSavedJson(JSON.stringify(ko.toJS(self.contacts), null, 2));
};
self.lastSavedJson = ko.observable("");
};
$.getJSON("functions/getPerson.php", function(allData) {
ko.applyBindings(new ContactsModel(allData));
});
HTML
<li>
<select data-bind="options: $root.statusList, value: selectedOptionValue"></select>
</li>
JSON
[{"firstName":"James","lastName":"Southerland","phone":"1234567890","statusList":"ACTIVE","alt_phone":"1234567890","main1":true,"main2":false},{"firstName":"Tina","lastName":"Turner","phone":"1234567890","statusList":"INACTIVE","alt_phone":"1234567890","main1":false,"main2":true}]
没有得到正确的选定值,请检查我的编辑问题,以了解相应的更改sponse。 –
也显示html。你修好了JSON吗? – haim770
是的,我做到了。我已经添加了html和JSON到编辑的问题。 –