ie中自动识别单屏与双屏(js)
<!DOCTYPE html> <html> <head> <meta name="viewport" content="width=device-width" /> <title>Line</title> <script type="text/javascript"> window.onload = function () { document.getElementById("btnZX").onclick = function () { var locator = new ActiveXObject("WbemScripting.SWbemLocator"); var service = locator.ConnectServer("."); //显示器 var xsq = new Enumerator(service.ExecQuery("select * from Win32_DesktopMonitor")); //得到所有显示器的分辨率 //如果有2个显示器,则有2对分辨率;反之,则为1个显示器 var xsq1Width; var xsq1Height; var xsq2Width; var xsq2Height; var i = 1; for (; !xsq.atEnd() ; xsq.moveNext()) { if (i == 1) { xsq1Width = xsq.item().ScreenWidth; xsq1Height = xsq.item().ScreenHeight; } else if (i == 2) { xsq2Width = xsq.item().ScreenWidth; xsq2Height = xsq.item().ScreenHeight; } i++; } //判断单双屏 if ((xsq1Width == null && xsq1Height == null) || (xsq2Width == null && xsq2Height == null)) { window.open("", "", "top=0,left=0,alwaysRaised=no,fullscreen=yes"); } else { //显示器1是主屏 if (window.screen.width == xsq1Width && window.screen.height == xsq1Height) { if (window.screenLeft >= 0 && window.screenLeft < xsq1Width) { window.open("", "", "top=0,left=" + xsq1Width + ",width=" + (xsq2Width - 20) + ",height=" + xsq2Height + ""); } if (window.screenLeft >= xsq1Width && window.screenLeft < (xsq1Width + xsq2Width)) { //从右向左跳 window.open("", "", "top=0,left=0,width=" + (xsq1Width - 20) + ",height=" + xsq1Height + ""); } } //显示器2是主屏 if (window.screen.width == xsq2Width && window.screen.height == xsq2Height) { //alert("显示器2是主屏"); if (window.screenLeft >= 0 && window.screenLeft < xsq2Width) { window.open("", "", "top=0,left=0,width=" + (xsq1Width - 20) + ",height=" + xsq1Height + ""); } if (window.screenLeft >= (-xsq1Width) && window.screenLeft < 0) { //从左向右跳 var objWin = window.open("", "", "top=0,left=0,width=" + (xsq2Width - 20) + ",height=" + xsq2Height + ""); } } } } } </script> </head> <body> <div> <button type="button" id="btnZX">专线</button> </div> </body> </html>