作者：长沙祛疤--欣奕除疤_998 | 来源：互联网 | 2023-06-02 19:23
上代码：1234567891011121314151617181920212223242526272829303132333435363738394041424344454647484950;(fun
上代码：
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| ;(function ( window, doc, undef ) {
var topics = {},
subUid = -1,
pubsubz ={};
pubsubz.publish = function ( topic, args ) {
if (!topics[topic]) {
return false;
}
setTimeout(function () {
var subscribers = topics[topic],
len = subscribers ? subscribers.length : 0;
while (len--) {
subscribers[len].func(topic, args);
}
}, 0);
return true;
};
pubsubz.subscribe = function ( topic, func ) {
if (!topics[topic]) {
topics[topic] = [];
}
var token = (++subUid).toString();
topics[topic].push({
token: token,
func: func
});
return token;
};
pubsubz.unsubscribe = function ( token ) {
for (var m in topics) {
if (topics[m]) {
for (var i = 0, j = topics[m].length; i
if (topics[m][i].token === token) {
topics[m].splice(i, 1);
return token;
}
}
}
}
return false;
};
getPubSubz = function(){
return pubsubz;
};
window.pubsubz = getPubSubz();
}( this, this.document )); |
调用
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| var testSubscriber = function( topics , data ){
console.log( topics + ": " + data );
};
var testSubscription = pubsubz.subscribe( 'example1', testSubscriber );
pubsubz.publish( 'example1', 'hello world!' );
pubsubz.publish( 'example1', ['test','a','b','c'] );
pubsubz.publish( 'example1', [{'color':'blue'},{'text':'hello'}] ); |
看了一天没看懂为什么订阅和发布都是用pubsubz，求解：
1.到底哪个是订阅者，哪个是发布者？
2.为什么用同一个pubsubz？？
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