加载的数据量淫秽我有一个加载乔布斯收集流星JS:在循环
Deps.autorun(function(){
var onet = Session.get('currentIndustryOnet');
var city_id = Session.get('currentMapArea');
jobsSubscription = Meteor.subscribe('jobs', onet, city_id);
console.log(onet);
if(jobsSubscription.ready) {
Session.set('jobCount', Jobs.find().count());
}
});
Template.selector.events({
'click div.select-block ul.dropdown-menu li': function(e) {
var selectedIndex = $(e.currentTarget).attr("rel");
var val = $('select#industryPicker option:eq(' + selectedIndex + ')').attr('value');
var oldVal = Session.get('currentIndustryOnet');
if(val != oldVal) {
Session.set('jobsLoaded', false);
Session.set('currentIndustryOnet', val);
}
}
});
的console
日志20+值什么VAR onet
是一个应用程序。看起来Meteor.autorun
不会运行一次。这是正常的吗?如果不是,我如何解决这个问题只能运行一次?
更新时间:
Jobs = new Meteor.Collection('jobs');
Cities = new Meteor.Collection('cities');
Pagination.style('bootstrap');
Session.setDefault('jobCount', null);
Session.setDefault('jobsLoaded', false);
Meteor.subscribe('cities');
Session.set('jobCount', Jobs.find().count());
Deps.autorun(function(){
var onet = Session.get('currentIndustryOnet');
var city_id = Session.get('currentMapArea');
Meteor.subscribe('jobs', onet, city_id, function onReady(){
Session.set('jobsLoaded', true);
});
Session.set('jobCount', Jobs.find().count());
});
function plotCities() {
console.log("CITIES PLOTTING");
// var jobs = Jobs.find().fetch();
// var addresses = _.chain(jobs)
// .countBy('address')
// .pairs()
// .sortBy(function(j) {return -j[1];})
// .map(function(j) {return j[0];})
// .slice(0, 50)
// .value();
// gmaps.clearMap();
// $.each(_.uniq(addresses), function(k, v){
// var addr = v.split(', ');
// Meteor.call('getCity', addr[0].toUpperCase(), addr[1], function(error, city){
// if(city) {
// var opts = {};
// opts.lng = city.loc[1];
// opts.lat = city.loc[0];
// opts.population = city.pop;
// opts._id = city._id;
// gmaps.addMarker(opts);
// }
// });
// })
}
Template.list.jobs = function() {
plotCities();
return Pagination.collection(Jobs.find({}).fetch());
}
的console.log('CITIES PLOTTING')
被要求各地在第一时间8倍,页面加载,然后如果我切换Sessioned1吨,并且作业重新加载数据,呼叫30+次
更新2:
这里是我的代码:
Session.set('jobsLoaded', false);
Meteor.subscribe('cities');
Session.set('jobCount', Jobs.find().count());
Deps.autorun(function(){
var onet = Session.get('currentIndustryOnet');
var city_id = Session.get('currentMapArea');
Meteor.subscribe('jobs', onet, city_id, function onReady(){
Session.set('jobsLoaded', true);
});
Session.set('jobCount', Jobs.find().count());
});
function plotCities() {
var jobs = Jobs.find().fetch();
var addresses = _.chain(jobs)
.countBy('address')
.pairs()
.sortBy(function(j) {return -j[1];})
.map(function(j) {return j[0];})
.slice(0, 50)
.value();
gmaps.clearMap();
$.each(_.uniq(addresses), function(k, v){
var addr = v.split(', ');
Meteor.call('getCity', addr[0].toUpperCase(), addr[1], function(error, city){
if(city) {
var opts = {};
opts.lng = city.loc[1];
opts.lat = city.loc[0];
opts.population = city.pop;
opts._id = city._id;
gmaps.addMarker(opts);
}
});
})
}
Template.list.jobs = function() {
if(Session.equals('jobsLoaded', true)) {
console.log("LOADED PLOT");
plotCities();
}
return Pagination.collection(Jobs.find({}).fetch());
}
当console.log("LOADED PLOT")
叫...第一次加载的8倍,第二,几乎40 ...
'Meteor.autorun()'?我甚至没有在文档中看到。 –
对不起,错字。我的意思是'Deps.autorun()' – dennismonsewicz