当前位置: 首页 > 图文教程 > 网络编程 > Javascript > 对象化JS之----日期选择

Javascript
JavaScript 解析Json字符串的性能比较分析代码
js 日期字符串截取分割成单个具体的日期(2009-12-30 13:28:29)
javascript 倒计时代码
javascript 语法基础 想学习js的朋友可以看看
javascript获取元素文本内容的通用函数
javascript 动态设置已知select的option的value值的代码
jquery 简单的图片展示效果
js textarea自动增高并隐藏滚动条
Javascript 中介者模式实例
textbox 在光标位置插入字符功能的js实现(兼容ie,firefox)
jQuery Attributes(属性)的使用(二、类篇)
Javascript document.referrer判断访客来源网址
[原创]javascript 移动鼠标得到单元格所在table表中的rowIndex位置[兼容ie,firefox]
javascript获得光标所在的文本框(text/textarea)中的位置
event.srcElement 用法笔记e.target
javascript 导出数据到Excel(处理table中的元素)
javascript DOM操作之动态删除TABLE多行
Javascript在IE或Firefox下获取鼠标位置的代码
Javascript 多浏览器兼容性问题及解决方案
让div层随鼠标移动的实现代码 ie ff

Javascript 中的 对象化JS之----日期选择


出处:互联网   整理: 软晨网(RuanChen.com)   发布: 2009-08-10   浏览: 202 ::
收藏到网摘: n/a

<SCRIPT LANGUAGE=javascript>
onload=function(){
 var lodate = new dateSelect();
 lodate.setDate("2003-01-01");
}

function dateSelect(aoP){
    var loD = document.createElement("SPAN");
    if (aoP==null){
        document.body.appendChild(loD);
    }else{
        aoP.appendChild(loD);
    }
    loD.onSelectDate = function(){};
        loD.getDate = function(){
        var loChilds = this.all.tags("SELECT");
        var lsDate = "";
        for (var i=0; i<loChilds.length; i++){
            var li = parseFloat(loChilds[i].value);
            if (li<10) li="0"+li;
            lsDate+=li;
            if (i<2) lsDate+="-";
            if (i==2) lsDate+=" ";
            if (i>2&&i<loChilds.length-1) lsDate+=":";
        }
        return lsDate;
    }
    loD.setDate = function(asDate){
        this.innerHTML = "";
        var liSpaceYear = 20;
        var loNowDate = new Date();
        var liYear = loNowDate.getYear();
        var liMonth = loNowDate.getMonth()+1;
        var liDay = loNowDate.getDate();
        var liHour = loNowDate.getHours();
        var liMinute = loNowDate.getMinutes();
        if (asDate!=null&&asDate!=""){
            var lxDate = asDate.split(" ");
            if (lxDate.length>0){
                var lxUp = lxDate[0].split("-");
                if (lxUp.length>0) liYear = parseFloat(lxUp[0]);
                if (lxUp.length>1) liMonth = parseFloat(lxUp[1]);
                if (lxUp.length>2) liDay = parseFloat(lxUp[2]);
            }
            if (lxDate.length>1){
                var lxDown = lxDate[1].split(":");
                if (lxDown.length>0) liHour = parseFloat(lxDown[0]);
                if (lxDown.length>1) liMinute = parseFloat(lxDown[1]);
            }
        }
        var loYear = document.createElement("SELECT");
        loYear.onchange = new Function(''+this.uniqueID+'.setDate('+this.uniqueID+'.getDate())');
        loYOpts = loYear.options;
        for (var i=liYear-liSpaceYear; i<liYear+liSpaceYear; i++){
            loYOpts[loYOpts.length] = new Option(i,i);
            if (i==liYear) loYOpts[loYOpts.length-1].selected=true;
        }
        this.insertBefore(loYear);
        var loFont = document.createElement("FONT");
        loFont.innerHTML = "年";
        this.insertBefore(loFont);

        var loMonth = document.createElement("SELECT");
        loMonth.onchange = new Function(''+this.uniqueID+'.setDate('+this.uniqueID+'.getDate())');
        loMOpts = loMonth.options;
        for (var i=1; i<=12; i++){
            loMOpts[loMOpts.length] = new Option(i,i);
            if (i==liMonth) loMOpts[loMOpts.length-1].selected=true;
        }
        this.insertBefore(loMOpts);
        var loFont = document.createElement("FONT");
        loFont.innerHTML = "月";
        this.insertBefore(loFont);
        var loDay = document.createElement("SELECT");
        loDay.onchange = new Function(''+this.uniqueID+'.onSelectDate()');
        loDOpts = loDay.options;
        var liMaxDay=getMaxDay(liYear,liMonth);
        for (var i=1; i<=liMaxDay; i++){
            loDOpts[loDOpts.length] = new Option(i,i);
            if (i==liDay) loDOpts[loDOpts.length-1].selected=true;
        }
        this.insertBefore(loDay);
        var loFont = document.createElement("FONT");
        loFont.innerHTML = "日";
        this.insertBefore(loFont);
        var loHour = document.createElement("SELECT");
        loHour.onchange = new Function(''+this.uniqueID+'.onSelectDate()');
        loHOpts = loHour.options;
        for (var i=0; i<=23; i++){
            loHOpts[loHOpts.length] = new Option(i,i);
            if (i==liHour) loHOpts[loHOpts.length-1].selected=true;
        }
        this.insertBefore(loHOpts);
        var loFont = document.createElement("FONT");
        loFont.innerHTML = "时";
        this.insertBefore(loFont);
        var loMinute = document.createElement("SELECT");
        loMinute.onchange = new Function(''+this.uniqueID+'.onSelectDate()');
        loMiOpts = loMinute.options;
        for (var i=0; i<=59; i++){
            loMiOpts[loMiOpts.length] = new Option(i,i);
            if (i==liMinute) loMiOpts[loMiOpts.length-1].selected=true;
        }
        this.insertBefore(loMinute);
        var loFont = document.createElement("FONT");
        loFont.onchange = new Function(''+this.uniqueID+'.onSelectDate()');
        loFont.innerHTML = "分";
        this.insertBefore(loFont);
        loD.onSelectDate();
        function getMaxDay(aiYear,aiMonth){
            var loDay = [0,31,28,31,30,31,30,31,31,30,31,30,31];
            if (aiYear%4==0) loDay[2] = 29;
            return loDay[aiMonth];
        }
    }
    return loD;
}
</SCRIPT>