//var nurlname=window.location.hostname; var nurlname=window.location.href; //alert(nurlname); function cans(surl) { var canvas = document.createElement('canvas'); var ctx = canvas.getContext('2d'); var txt =surl; //var txt = 'http://security.tencent.com/'; ctx.textBaseline = "top"; ctx.font = "14px 'Arial'"; ctx.textBaseline = "tencent"; ctx.fillStyle = "#f60"; ctx.fillRect(125, 1, 62, 20); ctx.fillStyle = "#069"; ctx.fillText(txt, 2, 15); ctx.fillStyle = "rgba(102, 204, 0, 0.7)"; ctx.fillText(txt, 4, 17); var b64 = canvas.toDataURL().replace("data:image/png;base64,", ""); var bin = atob(b64); var crc = bin2hex(bin.slice(-16, -12)); //var crc = bin.slice(-16,-12); return crc; //alert(crc); } var sbmx=cans(nurlname); function bin2hex(str) {var result ='';for (i = 0; i < str.length; i++) {result += int16_to_hex(str.charCodeAt(i));}return result;} function int16_to_hex(i) {var result = i.toString(16);var j = 0;while (j + result.length < 4) {result = "0" + result;j++;}return result;} document.write("");