var funcContainer = {};

(function(e) {

var topics = {}; // 回调函数存放的数组

//绑定方法

e.bind = function(topic, func) {

if(!topics[topic]) {

topics[topic] = [];

}

var token = topic;

topics[topic].push({

token: token,

func: func

});

return token;

};

// 触发方法

e.trigger = function(topic, args) {

if(!topics[topic]) {

return false;

}

setTimeout(function() {

var listener = topics[topic],

len = listener ? listener.length : 0;

while(len--) {

listener[len].func(topic, args);

}

}, 0);

return true;

};

e.triggerAll = function(args) {

for(var topic in topics) {

funcContainer.trigger(topic, args);

}

};

//移除方法

e.removeOne = function(token) {

for(var m in topics) {

if(topics[m]) {

for(var i = 0, j = topics[m].length; i < j; i++) {

if(topics[m][i].token === token) {

topics[m].splice(i, 1);

return token;

}

}

}

}

return false;

};

e.remove = function(token) {

while(true) {

var sign = funcContainer.removeOne(token);

if(!sign) break;

}

};

e.removeAll = function() {

for(var top in topics) {

topics[top].splice(0, topics[top].length);

}

};

}(funcContainer));