这是我在“HTML5 websocket 权威指南”一书中的代码。
....
<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,当我在 localhost 中运行它时.. 输出就像这样
Connected
Message Sent
然后停下来。我知道事件 onmessage 没有触发,但我不知道为什么。可能是什么问题?谢谢