我在页面上有一个网格和一个选择控件。选择任何选择值都会触发网格更新。该更新是使用计算完成的。例如,在向网格添加新值的情况下,我可以手动触发网格进行更新吗?
function vm(){
var self = this;
self.items = ko.observableArray([]);
self.chosen_category = ko.observable("");
self.pager = {
page_namber : ko.observable(1),
page_size : ko.observable(10)
};
self.sort = {
field : ko.observable('name'),
dist : ko.observable('asc')
};
// etc.
self.fetch = ko.computed(function(){
$.ajax({
url: '/api/items/',
type: 'GET',
data: ko.toJSON(self),
contentType: 'application/json',
success: self.items
});
}, self);
self.add_item = function() {
//here I want to update the grid
self.fetch(); // not work
};
}
当然我可以将它移到一个单独的函数中,但我正在寻找一个更清洁的解决方案。谢谢!
工作版本:
function vm() {
var self = this;
self.items = ko.observableArray([]);
self.chosen_category = ko.observable("test");
self.pager = {
page: ko.observable(1),
size: ko.observable(10)
};
self.sort = {
field: ko.observable('name'),
dist: ko.observable('asc')
};
self.fetch = function () {
var data = {
category: self.chosen_category(),
pager: ko.toJS(self.pager),
sort: ko.toJS(self.sort)
};
$.ajax({
url: '/api/items/',
type: 'POST',
data: ko.toJSON(data),
contentType: 'application/json',
success: self.items
});
};
self._auto_update = ko.computed(self.fetch).extend({ throttle: 1 }); ;
self.add_item = function () {
self.fetch();
};
}