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這是我的代碼,來自書籍「HTML5 websocket權威指南」。爲什麼Websocket onmessage沒有觸發
....
<div id="output"></div>
<script>
function setup() {
output = document.getElementById("output");
ws = new WebSocket("ws://localhost:7777");
ws.onopen = function(e) {
log("Connected");
sendMessage("Hello Websocket!");
}
ws.onclose = function(e){
log("Disconnected: " + e.reason);
}
ws.onerror = function(e){
log("Error ");
}
ws.onmessage = function(e) {
log("Message received: " + e.data);
ws.close();
}
}
function sendMessage(msg){
ws.send(msg);
log("Message Sent");
}
function log(s){
var p = document.createElement("p");
p.style.wordWrap = "break-word";
p.textContent = s;
output.appendChild(p);
console.log(s);
}
setup();
</script>
但是,當我在本地主機上運行它..輸出就這樣
Connected
Message Sent
,並停止,直到。我知道事件onmessage不是射擊,但我不知道爲什麼。可能是什麼問題?謝謝