我一直在修改示例流星应用程序http://meteor.com/examples/leaderboard。正如你在代码中看到的那样,我试图在有人按下重置按钮时更新玩家的分数。这更新罚款在客户端,但在我的控制台我注意到错误“更新失败:500 - 内部服务器错误”。经过进一步的检查,我发现服务器端数据库确实没有被更新。有什么想法吗? (相关代码在复位功能,但我已经张贴在这里休息,以防万一)尝试更新Meteor.js中服务器数据库的内部服务器错误
// Set up a collection to contain player information. On the server,
// it is backed by a MongoDB collection named "players."
Players = new Meteor.Collection("players");
var SORT_OPTIONS = {
name: {name: 1, score: -1},
score: {score: -1, name: 1}
}
var NAMES = [ "Ada Lovelace",
"Grace Hopper",
"Marie Curie",
"Carl Friedrich Gauss",
"Nikola Tesla",
"Claude Shannon" ];
function reset(options) {
if (options && options['seed'] === true) {
for (var i = 0; i < NAMES.length; i++) {
Players.insert({ name: NAMES[i], score: Math.floor(Math.random()*10)*5 });
}
}
if (options && options['restart'] === true) {
Players.update({},
{ $set: { score: Math.floor(Math.random()*10)*5 } },
{multi: true});
}
}
if (Meteor.is_client) {
Template.leaderboard.players = function() {
var sort_by = SORT_OPTIONS[Session.get("sort_by")]
return Players.find({}, {sort: sort_by});
};
Template.leaderboard.selected_name = function() {
var player = Players.findOne(Session.get("selected_player"));
return player && player.name;
};
Template.player.selected = function() {
return Session.equals("selected_player", this._id) ? "selected" : '';
};
Template.leaderboard.events = {
'click input.inc': function() {
Players.update(Session.get("selected_player"), {$inc: {score: 5}});
},
'click input.sort': function() {
Session.get("sort_by") == "score" ? Session.set("sort_by", "name") : Session.set("sort_by", "score");
},
'click input.reset': function() {
reset({'restart': true});
}
};
Template.player.events = {
'click': function() {
Session.set("selected_player", this._id);
}
};
}
// On server startup, create some players if the database is empty.
if (Meteor.is_server) {
Meteor.startup(function() {
if (Players.find().count() === 0) {
reset({'seed': true});
}
});
}
得到了它你能详细解释一下吗? – Gurjit 2015-06-22 11:52:20