本文实例讲述了js实现精确到秒的日期选择器。分享给大家供大家参考，具体如下：

<script> // 主调用函数是 setday(this,[object])和setday(this)，[object]是控件输出的控件名，举两个例子： // 一、<input name=txt><input type=button value=setday> // 二、<input onfocus="setday(this)"> var bMoveable=true; var strFrame; document.writeln('<iframe id=endDateLayer frameborder=0 width=162 height=211></iframe>'); strFrame='<style>'; strFrame+='INPUT.button{BORDER-RIGHT: #63A3E9 1px solid;BORDER-TOP: #63A3E9 1px solid;BORDER-LEFT: #63A3E9 1px solid;'; strFrame+='BORDER-BOTTOM: #63A3E9 1px solid;BACKGROUND-COLOR: #63A3E9;font-family:宋体;}'; strFrame+='TD{FONT-SIZE: 9pt;font-family:宋体;}'; strFrame+='</style>'; strFrame+='<scr' + 'ipt>'; strFrame+='var datelayerx,datelayery;'; strFrame+='var bDrag;'; strFrame+='function document.onmousemove()'; strFrame+='{if(bDrag && window.event.button==1)'; strFrame+=' {var DateLayer=parent.document.all.endDateLayer.style;'; strFrame+=' DateLayer.posLeft += window.event.clientX-datelayerx;'; strFrame+=' DateLayer.posTop += window.event.clientY-datelayery;}}'; strFrame+='function DragStart()'; strFrame+='{var DateLayer=parent.document.all.endDateLayer.style;'; strFrame+=' datelayerx=window.event.clientX;'; strFrame+=' datelayery=window.event.clientY;'; strFrame+=' bDrag=true;}'; strFrame+='function DragEnd(){'; strFrame+=' bDrag=false;}'; strFrame+='</scr' + 'ipt>'; strFrame+='<div onselectstart="return false">'; strFrame+='<span id=tmpSelectYearLayer></span>'; strFrame+='<span id=tmpSelectMonthLayer></span>'; strFrame+='<span id=tmpSelectHourLayer></span>'; strFrame+='<span id=tmpSelectMinuteLayer></span>'; strFrame+='<span id=tmpSelectSecondLayer></span>'; strFrame+='<table border=1 cellspacing=0 cellpadding=0 width=142 height=160 bordercolor=#63A3E9 bgcolor=#63A3E9 >'; strFrame+=' <tr><td width=142 height=23 bgcolor=#FFFFFF>'; strFrame+=' <table border=0 cellspacing=1 cellpadding=0 width=158 height=23>'; strFrame+=' <tr align=center >'; strFrame+=' <td width=16 align=center bgcolor=#63A3E9 '; strFrame+=' title="向前翻 1 月" ><b ><</b></td>'; strFrame+=' <td width=60 align="center" bgcolor="#63A3E9" '; strFrame+=' onmouseover="style.backgroundColor='#aaccf3'"'; strFrame+=' onmouseout="style.backgroundColor='#63A3E9'" '; strFrame+=' '; strFrame+=' title="点击这里选择年份"><span id=meizzYearHead></span></td>'; strFrame+=' <td width=48 align="center" '; strFrame+=' bgcolor="#63A3E9" onmouseover="style.backgroundColor='#aaccf3'" '; strFrame+=' onmouseout="style.backgroundColor='#63A3E9'" '; strFrame+=''; strFrame+=' title="点击这里选择月份"><span id=meizzMonthHead ></span></td>'; strFrame+=' <td width=16 bgcolor=#63A3E9 align=center '; strFrame+=' title="向后翻 1 月" ><b >></b></td>'; strFrame+=' </tr>'; strFrame+=' </table></td></tr>'; strFrame+=' <tr><td width=142 height=18 >'; strFrame+=' <table border=0 cellspacing=0 cellpadding=2 bgcolor=#63A3E9 ' + (bMoveable"DragStart()" onmouseup="DragEnd()"':''); strFrame+=' BORDERCOLORLIGHT=#63A3E9 BORDERCOLORDARK=#FFFFFF width=140 height=20 + (bMoveable ? 'move':'default') + '">'; strFrame+=' <tr><td width=20>日</td>'; strFrame+='<td >一</td><td>二</td>'; strFrame+='<td >三</td><td >四</td>'; strFrame+='<td >五</td><td >六</td></tr>'; strFrame+='</table></td></tr>'; strFrame+=' <tr ><td width=142 height=120 >'; strFrame+=' <table border=1 cellspacing=2 cellpadding=2 BORDERCOLORLIGHT=#63A3E9 BORDERCOLORDARK=#FFFFFF bgcolor=#fff8ec width=140 height=120 >'; var n=0; for (j=0;j<5;j++){ strFrame+= ' <tr align=center >'; for (i=0;i<7;i++){ strFrame+='<td width=20 height=20 id=meizzDay'+n+' onclick=parent.meizzDayClick(this.innerText,0)></td>';n++;} strFrame+='</tr>';} strFrame+=' <tr align=center >'; for (i=35;i<37;i++)strFrame+='<td width=20 height=20 id=meizzDay'+i+'></td>'; strFrame+=' <td colspan=5 align=right><span'; strFrame+=' onmouseover="style.color='#ff0000'" onmouseout="style.color='#1478eb'" title="将日期置空">置空</span><span'; strFrame+=' onmouseover="style.color='#ff0000'" onmouseout="style.color='#1478eb'" title="当前日期时间">当前</span><span id=evaAllOK onmouseover="style.color='#ff0000'" onmouseout="style.color='#1478eb'" title="关闭日历">关闭</span></td></tr>'; strFrame+=' </table></td></tr><tr ><td >'; strFrame+=' <table border=0 cellspacing=1 cellpadding=0 width=100% bgcolor=#FFFFFF height=22 >'; strFrame+=' <tr bgcolor="#63A3E9"><td id=bUseTimeLayer width=30 title="点击这里启用/禁用时间"'; strFrame+=' onmouseover="style.backgroundColor='#aaccf3'" align=center onmouseout="style.backgroundColor='#63A3E9'"'; strFrame+='>'; strFrame+=' <span></span></td>'; strFrame+=' <td'; strFrame+=' onmouseover="style.backgroundColor='#aaccf3'" onmouseout="style.backgroundColor='#63A3E9'"'; strFrame+=' title="点击这里选择时间" align=center width=42>' ; strFrame+=' <span id=meizzHourHead></span></td>'; strFrame+=' <td'; strFrame+=' onmouseover="style.backgroundColor='#aaccf3'" onmouseout="style.backgroundColor='#63A3E9'"'; strFrame+=' title="点击这里选择时间" align=center width=42>' ; strFrame+=' <span id=meizzMinuteHead></span></td>'; strFrame+=' <td'; strFrame+=' onmouseover="style.backgroundColor='#aaccf3'" onmouseout="style.backgroundColor='#63A3E9'"'; strFrame+=' title="点击这里选择时间" align=center width=42>' ; strFrame+=' <span id=meizzSecondHead></span></td>'; strFrame+=' </tr></table></td></tr></table></div>'; window.frames.endDateLayer.document.writeln(strFrame); window.frames.endDateLayer.document.close(); //解决ie进度条不结束的问题 //==================================================== WEB 页面显示部分===================================================== var outObject; var outButton; //点击的按钮 var outDate=""; //存放对象的日期 var bUseTime=false; //是否使用时间 var odatelayer=window.frames.endDateLayer.document.all; //存放日历对象 var odatelayer=window.endDateLayer.document.all; //odatelayer.bUseTimeLayer.innerText="NO"; bImgSwitch(); odatelayer.bUseTimeLayer.innerHTML=bImg; function setday(tt,obj) //主调函数 { if (arguments.length > 2){alert("对不起！传入本控件的参数太多！");return;} if (arguments.length == 0){alert("对不起！您没有传回本控件任何参数！");return;} var dads = document.all.endDateLayer.style; var th = tt; var ttop = tt.offsetTop; //TT控件的定位点高 var thei = tt.clientHeight; //TT控件本身的高 var tleft = tt.offsetLeft; //TT控件的定位点宽 var ttyp = tt.type; //TT控件的类型 while (tt = tt.offsetParent){ttop+=tt.offsetTop; tleft+=tt.offsetLeft;} dads.top = (ttyp=="image") ? ttop+thei : ttop+thei+6; dads.left = tleft; outObject = (arguments.length == 1) ? th : obj; outButton = (arguments.length == 1) ? null : th; //设定外部点击的按钮 //根据当前输入框的日期显示日历的年月 var reg = /^(d+)-(d{1,2})-(d{1,2})/; //不含时间 var r = outObject.value.match(reg); if(r!=null){ r[2]=r[2]-1; var d=new Date(r[1],r[2],r[3]); if(d.getFullYear()==r[1] && d.getMonth()==r[2] && d.getDate()==r[3]) { outDate=d; parent.meizzTheYear = r[1]; parent.meizzTheMonth = r[2]; parent.meizzTheDate = r[3]; } else { outDate=""; } meizzSetDay(r[1],r[2]+1); } else { outDate=""; meizzSetDay(new Date().getFullYear(), new Date().getMonth() + 1); } dads.display = ''; //判断初始化时是否使用时间,非严格验证 //if (outObject.value.length>10) //{ bUseTime=true; bImgSwitch(); odatelayer.bUseTimeLayer.innerHTML=bImg; meizzWriteHead(meizzTheYear,meizzTheMonth); //} //else //{ // bUseTime=false; // bImgSwitch(); // odatelayer.bUseTimeLayer.innerHTML=bImg; // meizzWriteHead(meizzTheYear,meizzTheMonth); //} try { event.returnValue=false; } catch (e) { //此处排除错误，错误原因暂未找到。 } } var MonHead = new Array(12); //定义阳历中每个月的最大天数 MonHead[0] = 31; MonHead[1] = 28; MonHead[2] = 31; MonHead[3] = 30; MonHead[4] = 31; MonHead[5] = 30; MonHead[6] = 31; MonHead[7] = 31; MonHead[8] = 30; MonHead[9] = 31; MonHead[10] = 30; MonHead[11] = 31; var meizzTheYear=new Date().getFullYear(); //定义年的变量的初始值 var meizzTheMonth=new Date().getMonth()+1; //定义月的变量的初始值 var meizzTheDate=new Date().getDate(); //定义日的变量的初始值 var meizzTheHour=new Date().getHours(); //定义小时变量的初始值 var meizzTheMinute=new Date().getMinutes();//定义分钟变量的初始值 var meizzTheSecond=new Date().getSeconds();//定义秒变量的初始值 var meizzWDay=new Array(37); //定义写日期的数组 document.onclick = (function(){ with(window.event) { if (srcElement != outObject && srcElement != outButton) closeLayer(); } }) document.onkeyup = (function(){ if (window.event.keyCode==27){ if(outObject)outObject.blur(); closeLayer(); } else if(document.activeElement) { if(document.activeElement != outObject && document.activeElement != outButton) { closeLayer(); } } }) function meizzWriteHead(yy,mm,ss) //往 head 中写入当前的年与月 { odatelayer.meizzYearHead.innerText = yy + " 年"; odatelayer.meizzMonthHead.innerText = format(mm) + " 月"; //插入当前小时、分 odatelayer.meizzHourHead.innerText=bUseTime" 时"):""; odatelayer.meizzMinuteHead.innerText=bUseTime?(meizzTheMinute+" 分"):""; odatelayer.meizzSecondHead.innerText=bUseTime?(meizzTheSecond+" 秒"):""; } function tmpSelectYearInnerHTML(strYear) //年份的下拉框 { if (strYear.match(/D/)!=null){alert("年份输入参数不是数字！");return;} var m = (strYear) ? strYear : new Date().getFullYear(); if (m < 1000 || m > 9999) {alert("年份值不在 1000 到 9999 之间！");return;} var n = m - 50; if (n < 1000) n = 1000; if (n + 101 > 9999) n = 9974; var s = "<select name=tmpSelectYear " s += "onblur='document.all.tmpSelectYearLayer.style.display="none"' " s += "onchange='document.all.tmpSelectYearLayer.style.display="none";" s += "parent.meizzTheYear = this.value; parent.meizzSetDay(parent.meizzTheYear,parent.meizzTheMonth)'>rn"; var selectInnerHTML = s; for (var i = n; i < n + 101; i++) { if (i == m) { selectInnerHTML += "<option value='" + i + "' selected>" + i + "年" + "</option>rn"; } else { selectInnerHTML += "<option value='" + i + "'>" + i + "年" + "</option>rn"; } } selectInnerHTML += "</select>"; odatelayer.tmpSelectYearLayer.style.display=""; odatelayer.tmpSelectYearLayer.innerHTML = selectInnerHTML; odatelayer.tmpSelectYear.focus(); } function tmpSelectMonthInnerHTML(strMonth) //月份的下拉框 { if (strMonth.match(/D/)!=null){alert("月份输入参数不是数字！");return;} var m = (strMonth) ? strMonth : new Date().getMonth() + 1; var s = "<select name=tmpSelectMonth " s += "onblur='document.all.tmpSelectMonthLayer.style.display="none"' " s += "onchange='document.all.tmpSelectMonthLayer.style.display="none";" s += "parent.meizzTheMonth = this.value; parent.meizzSetDay(parent.meizzTheYear,parent.meizzTheMonth)'>rn"; var selectInnerHTML = s; for (var i = 1; i < 13; i++) { if (i == m) { selectInnerHTML += "<option value='"+i+"' selected>"+i+"月"+"</option>rn"; } else { selectInnerHTML += "<option value='"+i+"'>"+i+"月"+"</option>rn"; } } selectInnerHTML += "</select>"; odatelayer.tmpSelectMonthLayer.style.display=""; odatelayer.tmpSelectMonthLayer.innerHTML = selectInnerHTML; odatelayer.tmpSelectMonth.focus(); } /***** 增加 小时、分钟 ***/ function tmpSelectHourInnerHTML(strHour) //小时的下拉框 { if (!bUseTime){return;} if (strHour.match(/D/)!=null){alert("小时输入参数不是数字！");return;} var m = (strHour) ? strHour : new Date().getHours(); var s = "<select name=tmpSelectHour " s += "onblur='document.all.tmpSelectHourLayer.style.display="none"' " s += "onchange='document.all.tmpSelectHourLayer.style.display="none";" s += "parent.meizzTheHour = this.value; parent.evaSetTime(parent.meizzTheHour,parent.meizzTheMinute);'>rn"; var selectInnerHTML = s; for (var i = 0; i < 24; i++) { if (i == m) { selectInnerHTML += "<option value='"+i+"' selected>"+i+"</option>rn"; } else { selectInnerHTML += "<option value='"+i+"'>"+i+"</option>rn"; } } selectInnerHTML += "</select>"; odatelayer.tmpSelectHourLayer.style.display=""; odatelayer.tmpSelectHourLayer.innerHTML = selectInnerHTML; odatelayer.tmpSelectHour.focus(); } function tmpSelectMinuteInnerHTML(strMinute) //分钟的下拉框 { if (!bUseTime){return;} if (strMinute.match(/D/)!=null){alert("分钟输入参数不是数字！");return;} var m = (strMinute) ? strMinute : new Date().getMinutes(); var s = "<select name=tmpSelectMinute " s += "onblur='document.all.tmpSelectMinuteLayer.style.display="none"' " s += "onchange='document.all.tmpSelectMinuteLayer.style.display="none";" s += "parent.meizzTheMinute = this.value; parent.evaSetTime(parent.meizzTheHour,parent.meizzTheMinute);'>rn"; var selectInnerHTML = s; for (var i = 0; i < 60; i++) { if (i == m) { selectInnerHTML += "<option value='"+i+"' selected>"+i+"</option>rn"; } else { selectInnerHTML += "<option value='"+i+"'>"+i+"</option>rn"; } } selectInnerHTML += "</select>"; odatelayer.tmpSelectMinuteLayer.style.display=""; odatelayer.tmpSelectMinuteLayer.innerHTML = selectInnerHTML; odatelayer.tmpSelectMinute.focus(); } function tmpSelectSecondInnerHTML(strSecond) //秒的下拉框 { if (!bUseTime){return;} if (strSecond.match(/D/)!=null){alert("分钟输入参数不是数字！");return;} var m = (strSecond) ? strSecond : new Date().getMinutes(); var s = "<select name=tmpSelectSecond " s += "onblur='document.all.tmpSelectSecondLayer.style.display="none"' " s += "onchange='document.all.tmpSelectSecondLayer.style.display="none";" s += "parent.meizzTheSecond = this.value; parent.evaSetTime(parent.meizzTheHour,parent.meizzTheMinute,parent.meizzTheSecond);'>rn"; var selectInnerHTML = s; for (var i = 0; i < 60; i++) { if (i == m) { selectInnerHTML += "<option value='"+i+"' selected>"+i+"</option>rn"; } else { selectInnerHTML += "<option value='"+i+"'>"+i+"</option>rn"; } } selectInnerHTML += "</select>"; odatelayer.tmpSelectSecondLayer.style.display=""; odatelayer.tmpSelectSecondLayer.innerHTML = selectInnerHTML; odatelayer.tmpSelectSecond.focus(); } function closeLayer() //这个层的关闭 { var o = document.getElementById("endDateLayer"); if (o != null) { o.style.display="none"; } } function showLayer() //这个层的关闭 { document.all.endDateLayer.style.display=""; } function IsPinYear(year) //判断是否闰平年 { if (0==year%4&&((year%100!=0)||(year%400==0))) return true;else return false; } function GetMonthCount(year,month) //闰年二月为29天 { var c=MonHead[month-1];if((month==2)&&IsPinYear(year)) c++;return c; } function GetDOW(day,month,year) //求某天的星期几 { var dt=new Date(year,month-1,day).getDay()/7; return dt; } function meizzPrevY() //往前翻 Year { if(meizzTheYear > 999 && meizzTheYear <10000){meizzTheYear--;} else{alert("年份超出范围（1000-9999）！");} meizzSetDay(meizzTheYear,meizzTheMonth); } function meizzNextY() //往后翻 Year { if(meizzTheYear > 999 && meizzTheYear <10000){meizzTheYear++;} else{alert("年份超出范围（1000-9999）！");} meizzSetDay(meizzTheYear,meizzTheMonth); } function setNull() { outObject.value = ''; closeLayer(); } function meizzToday() //Today Button { parent.meizzTheYear = new Date().getFullYear(); parent.meizzTheMonth = new Date().getMonth()+1; parent.meizzTheDate = new Date().getDate(); parent.meizzTheHour = new Date().getHours(); parent.meizzTheMinute = new Date().getMinutes(); parent.meizzTheSecond = new Date().getSeconds(); var meizzTheSecond = new Date().getSeconds(); if (meizzTheMonth<10 && meizzTheMonth.length<2) //格式化成两位数字 { parent.meizzTheMonth="0"+parent.meizzTheMonth; } if (parent.meizzTheDate<10 && parent.meizzTheDate.length<2) //格式化成两位数字 { parent.meizzTheDate="0"+parent.meizzTheDate; } //meizzSetDay(meizzTheYear,meizzTheMonth); if(outObject) { if (bUseTime) { outObject.value= parent.meizzTheYear + "-" + format( parent.meizzTheMonth) + "-" + format(parent.meizzTheDate) + " " + format(parent.meizzTheHour) + ":" + format(parent.meizzTheMinute) + ":" + format(parent.meizzTheSecond); //注：在这里你可以输出改成你想要的格式 } else { outObject.value= parent.meizzTheYear + "-" + format( parent.meizzTheMonth) + "-" + format(parent.meizzTheDate); //注：在这里你可以输出改成你想要的格式 } } closeLayer(); } function meizzPrevM() //往前翻月份 { if(meizzTheMonth>1){meizzTheMonth--}else{meizzTheYear--;meizzTheMonth=12;} meizzSetDay(meizzTheYear,meizzTheMonth); } function meizzNextM() //往后翻月份 { if(meizzTheMonth==12){meizzTheYear++;meizzTheMonth=1}else{meizzTheMonth++} meizzSetDay(meizzTheYear,meizzTheMonth); } // TODO: 整理代码 function meizzSetDay(yy,mm) //主要的写程序********** { meizzWriteHead(yy,mm); //设置当前年月的公共变量为传入值 meizzTheYear=yy; meizzTheMonth=mm; for (var i = 0; i < 37; i++){meizzWDay[i]=""}; //将显示框的内容全部清空 var day1 = 1,day2=1,firstday = new Date(yy,mm-1,1).getDay(); //某月第一天的星期几 for (i=0;i<firstday;i++)meizzWDay[i]=GetMonthCount(mm==1?yy-1:yy,mm==1?12:mm-1)-firstday+i+1 //上个月的最后几天 for (i = firstday; day1 < GetMonthCount(yy,mm)+1; i++) { meizzWDay[i]=day1;day1++; } for (i=firstday+GetMonthCount(yy,mm);i<37;i++) { meizzWDay[i]=day2;day2++; } for (i = 0; i < 37; i++) { var da = eval("odatelayer.meizzDay"+i) //书写新的一个月的日期星期排列 if (meizzWDay[i]!="") { //初始化边框 da.borderColorLight="#63A3E9"; da.borderColorDark="#63A3E9"; da.style.color="#1478eb"; if(i<firstday) //上个月的部分 { da.innerHTML="<b><font color=#BCBABC>" + meizzWDay[i] + "</font></b>"; da.title=(mm==1" + meizzWDay[i] + "日"; da.onclick=Function("meizzDayClick(this.innerText,-1)"); if(!outDate) da.style.backgroundColor = ((mm==1?yy-1:yy) == new Date().getFullYear() && (mm==1?12:mm-1) == new Date().getMonth()+1 && meizzWDay[i] == new Date().getDate()) "#f5f5f5"; else { da.style.backgroundColor =((mm==1?yy-1:yy)==outDate.getFullYear() && (mm==1?12:mm-1)== outDate.getMonth() + 1 && meizzWDay[i]==outDate.getDate())" : (((mm==1?yy-1:yy) == new Date().getFullYear() && (mm==1?12:mm-1) == new Date().getMonth()+1 && meizzWDay[i] == new Date().getDate()) "#f5f5f5"); //将选中的日期显示为凹下去 if((mm==1?yy-1:yy)==outDate.getFullYear() && (mm==1?12:mm-1)== outDate.getMonth() + 1 && meizzWDay[i]==outDate.getDate()) { da.borderColorLight="#FFFFFF"; da.borderColorDark="#63A3E9"; } } } else if (i>=firstday+GetMonthCount(yy,mm)) //下个月的部分 { da.innerHTML="<b><font color=#BCBABC>" + meizzWDay[i] + "</font></b>"; da.title=(mm==12" + meizzWDay[i] + "日"; da.onclick=Function("meizzDayClick(this.innerText,1)"); if(!outDate) da.style.backgroundColor = ((mm==12?yy+1:yy) == new Date().getFullYear() && (mm==12?1:mm+1) == new Date().getMonth()+1 && meizzWDay[i] == new Date().getDate()) "#f5f5f5"; else { da.style.backgroundColor =((mm==12?yy+1:yy)==outDate.getFullYear() && (mm==12?1:mm+1)== outDate.getMonth() + 1 && meizzWDay[i]==outDate.getDate())" : (((mm==12?yy+1:yy) == new Date().getFullYear() && (mm==12?1:mm+1) == new Date().getMonth()+1 && meizzWDay[i] == new Date().getDate()) "#f5f5f5"); //将选中的日期显示为凹下去 if((mm==12?yy+1:yy)==outDate.getFullYear() && (mm==12?1:mm+1)== outDate.getMonth() + 1 && meizzWDay[i]==outDate.getDate()) { da.borderColorLight="#FFFFFF"; da.borderColorDark="#63A3E9"; } } } else //本月的部分 { da.innerHTML="<b>" + meizzWDay[i] + "</b>"; da.title=mm +"月" + meizzWDay[i] + "日"; da.onclick=Function("meizzDayClick(this.innerText,0)"); //给td赋予onclick事件的处理 //如果是当前选择的日期，则显示亮蓝色的背景；如果是当前日期，则显示暗黄色背景 if(!outDate) da.style.backgroundColor = (yy == new Date().getFullYear() && mm == new Date().getMonth()+1 && meizzWDay[i] == new Date().getDate())"#f5f5f5"; else { da.style.backgroundColor =(yy==outDate.getFullYear() && mm== outDate.getMonth() + 1 && meizzWDay[i]==outDate.getDate())":((yy == new Date().getFullYear() && mm == new Date().getMonth()+1 && meizzWDay[i] == new Date().getDate())"#f5f5f5"); //将选中的日期显示为凹下去 if(yy==outDate.getFullYear() && mm== outDate.getMonth() + 1 && meizzWDay[i]==outDate.getDate()) { da.borderColorLight="#FFFFFF"; da.borderColorDark="#63A3E9"; } } } da.style.cursor="hand" } else { da.innerHTML="";da.style.backgroundColor="";da.style.cursor="default"; } } } function meizzDayClick(n,ex) //点击显示框选取日期，主输入函数************* { parent.meizzTheDate=n; var yy=meizzTheYear; var mm = parseInt(meizzTheMonth)+ex; //ex表示偏移量，用于选择上个月份和下个月份的日期 var hh=meizzTheHour; var mi=meizzTheMinute; var se=meizzTheSecond; //判断月份，并进行对应的处理 if(mm<1){ yy--; mm=12+mm; } else if(mm>12){ yy++; mm=mm-12; } if (mm < 10) {mm = "0" + mm;} if (hh<10) {hh="0" + hh;} //时 if (mi<10) {mi="0" + mi;} //分 if (se<10) {se="0" + se;} //秒 if (outObject) { if (!n) { //outObject.value=""; return;} if ( n < 10){n = "0" + n;} WriteDateTo(yy,mm,n,hh,mi,se); closeLayer(); if (bUseTime) { try { outButton.click(); } catch (e) { setday(outObject); } } } else {closeLayer(); alert("您所要输出的控件对象并不存在！");} } function format(n) //格式化数字为两位字符表示 { var m=new String(); var tmp=new String(n); if (n<10 && tmp.length<2) { m="0"+n; } else { m=n; } return m; } function evaSetTime() //设置用户选择的小时、分钟 { odatelayer.meizzHourHead.innerText=meizzTheHour+" 时"; odatelayer.meizzMinuteHead.innerText=meizzTheMinute+" 分"; odatelayer.meizzSecondHead.innerText=meizzTheSecond+" 秒"; WriteDateTo(meizzTheYear,meizzTheMonth,meizzTheDate,meizzTheHour,meizzTheMinute,meizzTheSecond) } function evaSetTimeNothing() //设置时间控件为空 { odatelayer.meizzHourHead.innerText=""; odatelayer.meizzMinuteHead.innerText=""; odatelayer.meizzSecondHead.innerText=""; WriteDateTo(meizzTheYear,meizzTheMonth,meizzTheDate,meizzTheHour,meizzTheMinute,meizzTheSecond) } function evaSetTimeNow() //设置时间控件为当前时间 { odatelayer.meizzHourHead.innerText=new Date().getHours()+" 时"; odatelayer.meizzMinuteHead.innerText=new Date().getMinutes()+" 分"; odatelayer.meizzSecondHead.innerText=new Date().getSeconds()+" 秒"; meizzTheHour = new Date().getHours(); meizzTheMinute = new Date().getMinutes(); meizzTheSecond = new Date().getSeconds(); WriteDateTo(meizzTheYear,meizzTheMonth,meizzTheDate,meizzTheHour,meizzTheMinute,meizzTheSecond) } function UseTime(ctl) { bUseTime=!bUseTime; if (bUseTime) { bImgSwitch(); ctl.innerHTML=bImg; evaSetTime(); //显示时间，用户原来选择的时间 //evaSetTimeNow(); //显示当前时间 } else { bImgSwitch(); ctl.innerHTML=bImg; evaSetTimeNothing(); } } function WriteDateTo(yy,mm,n,hh,mi,se) { if (bUseTime) { outObject.value= yy + "-" + format(mm) + "-" + format(n) + " " + format(hh) + ":" + format(mi) + ":" + format(se); //注：在这里你可以输出改成你想要的格式 } else { outObject.value= yy + "-" + format(mm) + "-" + format(n); //注：在这里你可以输出改成你想要的格式 } } function bImgSwitch() { if (bUseTime) { bImg="开启"; } else { bImg="关闭"; } } </script> <input onfocus="setday(this)" id="startTime" name="startTime">

希望本文所述对大家JavaScript程序设计有所帮助。