纯Javascript实现ping功能的方法

时间:2025-03-18 13:00:51
ping(addressvalue,addressPortvalue); //ip port function ping(ip,port) { var img = new Image(); var start = new Date().getTime(); var flag = false; var isCloseWifi = true; var hasFinish = false; img.onload = function() { if ( !hasFinish ) { flag = true; hasFinish = true; img.src = 'X:\\'; console.log('Ping ' + ip + ' success. '); } }; img.onerror = function() { if ( !hasFinish ) { if ( !isCloseWifi ) { flag = true; img.src = 'X:\\'; console.log('Ping ' + ip + ' success. '); var localAddressvalue=window.location.href; //跳转至快捷会场页面 window.location.href="http://"+ip+":"+port+"/admin/?Ip="+returnCitySN["cip"]+"&localAddressvalue="+localAddressvalue; } else { console.log('network is not working!'); } hasFinish = true; } }; setTimeout(function(){ isCloseWifi = false; },2); img.src = 'http://' + ip + '/' + start; var timer = setTimeout(function() { if ( !flag ) { hasFinish = true; img.src = 'X://'; flag = false ; console.log('Ping ' + ip + ' fail. '); //停留着编辑页面 document.getElementById("addresstipe").innerHTML="会议系统地址不在线,请联系管理人员!!!"; document.getElementById("addresstipe").style.color="red"; document.getElementById("addressId").focus(); } }, 1500); }