var ws = new WebSocket("ws://127.0.0.1:12345");
var msg = "websocket test";
var debug_flag = true;
ws.onopen= function () {
ws.send(msg);
if(debug_flag)console.info("send:");
ws.onmessage = function (event) {
var ret_str=event.data;
//假设返回值为空表示获取数据失败
if(ret_str !== ""){
ws.close();
//do sth...
}else{
//alert("获取数据失败！");
setTimeout(function() {
ws.send(msg);
if(debug_flag)console.info("send:");
}, 100);
}
};
};