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当我取消订阅可连接的观察值并在稍后再次连接时,可能会发生这种情况。重新连接可观察的
例如:
var interval = Rx.Observable.interval(1000);
var source = interval
.take(2)
.do(function (x) {
console.log('Side effect');
});
var published = source.publish();
published.subscribe(createObserver('SourceA'));
published.subscribe(createObserver('SourceB'));
// Connect the source
var connection = published.connect();
function createObserver(tag) {
return Rx.Observer.create(
function (x) {
console.log('Next: ' + tag + x);
},
function (err) {
console.log('Error: ' + err);
},
function() {
console.log('Completed');
});
}