日期:2014-05-16 浏览次数:20544 次
<html xmlns="http://www.w3.org/1999/xhtml" > <head> <title>标题页</title> </head> <body> <SCRIPT LANGUAGE="LiveScript"> function checkNum(str, min, max) { //检测输入的数值 if (str == "") { alert("请输入有效的值."); return false; } for (var i = 0; i < str.length; i++) { var ch = str.substring(i, i + 1); if (ch < "0" || ch > "9") { alert("请输入数值."); return false; } } var val = parseInt(str, 10); if ((val < min) || (val > max)) { alert("请输入数值从 1 到 "+max+"."); return false; } return true; } function pushbutton(form){ //检查年月日的有效性 if ((checkNum(form.day.value,1,31)) && (checkNum(form.month.value,1,12)) && (checkNum(form.year.value,0,2500))){ var cur_day = parseInt(form.day.value,10); //获取日 var cur_month = parseInt(form.month.value,10); //获取月 var cur_year = parseInt(form.year.value,10); //获取年 } getDayOfWeek(cur_year+"-"+cur_month+"-"+cur_day); //调用判断星期几的方法 } function getDayOfWeek(dayValue){ var day = new Date(Date.parse(dayValue.replace(/-/g, '/'))); //将日期值格式化 var today = new Array("星期日","星期一","星期二","星期三","星期四","星期五","星期六"); //创建星期数组 alert( today[day.getDay()]) //返一个星期中的某一天,其中0为星期日 } </SCRIPT> <FORM NAME = "calDay"> <PRE><B>日:</B> <INPUT TYPE="num" name="day" onChange="if (!checkNum(this.value, 1, 31)){this.focus();this.select();} else {}" size=10 value=""> <B>月:</B> <INPUT TYPE="num" name="month" onChange="if (!checkNum(this.value, 1, 12)){this.focus();this.select();} else {}" size=10 value=""> <B>年:</B> <INPUT TYPE="num" name="year" onChange="if (!checkNum(this.value, 0, 2500)){this.focus();this.select();} else {}" size=10 value=""> <INPUT TYPE="button" name="Find_Out" value="计算星期几" onclick="pushbutton(this.form)"></PRE> </FORM> </body> </html>
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