//https://blog.csdn.net/wangzhanzheng/article/details/78603532 WebSocket 调用方法
//1、parent常用在iframe和frame中的子页面访问父页面中的对象 2、top ：一个页面可能会有很多层，top是指最顶层的框架 3、self ：是指当前窗口
if (top.location!=self.location){var fd_timer = setInterval ("fd_wati ()", 500);}else{fd_conn ();} //开启网络通信
var fd_ws;//创建WebSocket通信协议变量
var fd_str = "";
var fiddler_form = "标识符";
var fd_del = false;
var autoint;
var xtint;
function fd_xintiao (){fd_ws.send ("xtb->");}//发送心跳包
function fd_conn ()
{
var size = 5000;
var xd1 = 0;
var bzf = "";
console.log ("【填表】正在尝试填表连接");
fd_ws = new WebSocket ("ws://127.0.0.1:6002/echo"); //建立在 TCP 协议 客户端
fd_ws.onopen = function (){ console.log ("【填表】连接到填表服务器成功："+autoint);fd_ws.send ("csh->"+fiddler_form);clearInterval (autoint);autoint=0;xtint=setInterval ("fd_xintiao ()", 10000);};//用于指定连接成功后的回调函数
fd_ws.onclose = function (){if (autoint<=0){console.log ("【填表】断开连接，正常重试");autoint = setInterval ("fd_conn ()", 5000);clearInterval (xtint);}}; //用于指定连接关闭后的回调函数
//fd_ws.onmessage用于指定收到服务器数据后的回调函数
fd_ws.onmessage = function (evt){
if (fd_del == true){fd_str = ""; fd_del= false;}
fd_str = fd_str + evt.data;
console.log (evt.data)
if (fd_str.substr (fd_str.length-2,2) == " ##" ;){
fd_del = true;
fd_str = fd_str.substr (0,fd_str.length-2);
var text = eval (decodeURI (fd_str));
fd_ws.send ("dat->"+text+"<-dat");
};
return null;};
}
function fd_wati ()
{
var fd = str_mid (window.location.href," #fd ="," #" ;);
if (fd!=null){
fiddler_form = fd;
clearInterval (fd_timer);//停止循环执行setInterval ()函数
fd_conn ();
}
}
function str_mid (str,a,b){
strlen = str.length;
var wz1 = str.indexOf (a);
if (wz1<=-1){return ;}
var wz2 = str.indexOf (b,wz1+a.length);
if (wz2==-1){return ;}
console.log (str.substr (wz1+a.length,wz2-wz1-a.length));
return str.substr (wz1+a.length,wz2-wz1-a.length);
}