<!DOCTYPE html> <html lang="en"> <head> <meta charset="UTF-8"> <title>获取时间</title> <script type="text/javascript"> function shijian() { var today = new Date(); var hh = today.getHours(); var mm = today.getMinutes(); var ss = today.getSeconds(); var day = today.getDay(); var date = today.getDate(); var year = today.getFullYear(); var month = today.getMonth() + 1; /*声明一个变量来接收转换成字符串*/ var dayday; /*用switch完成转换操作*/ switch (day) { case 1: dayday = "一"; break; case 2: dayday = "二"; break; case 3: dayday = "三"; break; case 4: dayday = "四"; break; case 5: dayday = "五"; break; case 6: dayday = "六"; break; case 7: dayday = "日"; break; } /*声明AM和PM分别代表上午和下午,因为时间设置为12小时制,从用户角度出发,提供便利*/ var apm = "PM"; var abm = "AM"; /*从系统获取的时间为24小时制,我们减去12就可以转换成12小时制*/ if (hh > 12) { var num = hh - 12; document.getElementById("abc").innerHTML = "现在的系统时间:" + "<br/><br/>" + year + "年" + month + "月" + date + "日" + num + "时" + mm + "分" + ss + "秒" + " " + "星期" + dayday + " " + " " + apm + "<br/><br/>" + "下午好!欢迎来到TB128!"; } else { document.getElementById("abc").innerHTML = "现在的系统时间:" + "<br/><br/>" + year + "年" + month + "月" + date + "日" + hh + "时" + mm + "分" + ss + "秒" + " " + "星期" + dayday + " " + " " + abm + "<br/><br/>" + "下午好!欢迎来到TB128!"; } } /*每1000毫秒(1秒)执行一次shijian()方法*/ setInterval("shijian()", 1000) </script> </head> <body> <div id="abc"> <input type="button" value="查看系统时间" onclick="shijian()"> </div> </body> </html>
时间: 2024-10-25 00:21:04