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index.js
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var websocket = null;
//判断当前浏览器是否支持WebSocket
if ('WebSocket' in window) {
websocket = new WebSocket("ws://"+projectPath+"/api/websocket/test");
} else {
alert('当前浏览器 Not support websocket')
}
//连接发生错误的回调方法
websocket.onerror = function () {
$(".ws").append("<div style='color:red;'>WebSocket连接发生错误</div>");
};
//连接成功建立的回调方法
websocket.onopen = function () {
$(".ws").append("<div style='color:red;'>WebSocket连接成功</div>");
}
//接收到消息的回调方法
websocket.onmessage = function (event) {
var data = event.data;
$(".ws").append("<div style='color:red;'>"+data+"</div>");
}
//连接关闭的回调方法
websocket.onclose = function () {
$(".ws").append("<div style='color:red;'>WebSocket连接关闭</div>");
}
//监听窗口关闭事件,当窗口关闭时,主动去关闭websocket连接,防止连接还没断开就关闭窗口,server端会抛异常。
window.onbeforeunload = function () {
closeWebSocket();
}
//关闭WebSocket连接
function closeWebSocket() {
websocket.close();
}
//websocket发送消息
$(".ws button").click(function(){
var message = $(".ws input").val();
websocket.send(message);
});
//ajax发送消息
$(".ajax button").click(function(){
var message = $(".ajax input").val();
$.ajax({
type: "GET",
url: "http://"+projectPath+"/api/springmvc/test",
data: {"param":message},
success: function(msg){
$(".ajax").append("<div style='color:red;'>"+msg+"</div>");
}
});
});