当前位置: 首页 > 图文教程 > 网络编程 > ASP > JS+DIV模拟SELECT表单域

ASP
asp生成三维饼图的函数
ASP下的简洁的多重查询的方法与函数 真不错
发一个ASP的ADODB类代码
A利用ASP小偷和Google实现在线翻译功能的代码
ASP类型网站结合动网论坛会员的方法
Asp下实现多表单域无组件文件上传的实例
asp制作中常用到的函数库集合
易心asp分页类 v1.0
asp中xmlhttp组件发包
检测是否为数字类型的asp代码
可以获得文件的文件名的asp函数
用asp实现访问远程计算机上MDB access数据库文件的方法
用ASP实现写IIS日志的代码
asp在IE浏览器中下载服务端上的各类文件的实现方法
asp汉字中文图片验证码的实现代码
asp WAP获取手机终端信息的一段代码
asp取得数组中的最大值的方法
用asp实现的截取指定格式字符串的代码
asp jmail发邮件 详细解析
ASP编程中连接数据库和数据库操作的常用代码

ASP 中的 JS+DIV模拟SELECT表单域


出处:互联网   整理: 软晨网(RuanChen.com)   发布: 2009-08-14   浏览: 222 ::
收藏到网摘: n/a

最近在做一个AJAX项目,其中用到很多满屏层的模拟屏幕锁定,但有个很头痛的东西,就是下拉列表框始终会显示在层的上面,为了解决这个问题才写了这个JS类,个人感觉还好用,在这和大家分享下,有好的意见也请提出!

效果预览:

程序代码:

以下为引用的内容:
<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=gb2312" />
<title>JS+DIV模拟SELECT表单元素</title>
<script language="Javascript">
selOptions = {
    name : "selOptions",//此处为数组的名称
    data : new Array()
}
selOptions.data[0] = new Array("0","option0")
selOptions.data[1] = new Array("1","option1")
selOptions.data[2] = new Array("2","option2")
selOptions.data[3] = new Array("3","option3")
selOptions.data[4] = new Array("4","option4")
selOptions.data[5] = new Array("5","option5")
selOptions.data[6] = new Array("6","option6")
selOptions.data[7] = new Array("7","option7")
selOptions.data[8] = new Array("8","option8")
selOptions.data[9] = new Array("9","option9")
selOptions.data[10] = new Array("10","option10")
selOptions.data[11] = new Array("11","option11")
selOptions.data[12] = new Array("12","option12")
selOptions.data[13] = new Array("13","option13")
selOptions.data[14] = new Array("14","option14")
selOptions.data[15] = new Array("15","option15")
tmhSelect = {
    //主调函数
    //参数含义:容器,名称,数据[数组],默认项,宽度,动作(目标函数不能带参)
    show : function(obj,selectName,dataObj,selOption,width,action){
        var data = dataObj.data;
        var _Obj = document.getElementById(obj);
        if(!_Obj || typeof(_Obj) == "undefined"){return false;}
        var s1 = document.createElement("div");
        if(isNaN(width) || width==""){width=150;}else if(width<26){width=26;}
        s1.style.width = width;
        s1.onmouseleave = function(){tmhSelect.hidden(selectName)};
        var str = "";
        //判断是否有数据
        if(data.length > 0){
            //有数据时显示数据选项列表
            str += "<input type=’hidden’ name=’"+ selectName +"’ id=’"+ selectName +"’ value=’"+ tmhSelect.relv(selOption,data) +"’>";
            str += "<div id=’_a_"+ selectName +"’ style=’width:"+ width +"px;height:18px; border:1px #666666 solid;’>";
            str += "<div id=’_v_"+ selectName +"’ style=’position:relative;float:left;left:2px;width:"+ (width-22) +"px;height:18px;font-size:12px;overflow:hidden;line-height:18px;’ onclick=\"tmhSelect.showOptions(’"+ selectName +"’);\">"+ tmhSelect.reStr(data,selOption) +"</div>";
            str += "<div style=’position:relative;float:right;right:0px;width:18px;height:18px;text-align:center;font-family:Webdings;font-size:16px;overflow:hidden;background-color:#CCCCCC;cursor:pointer!important;cursor:hand;’ onclick=\"tmhSelect.showOptions(’"+ selectName +"’);\">6</div>";
            str += "</div>";
            str += "<div id=’_b_"+ selectName +"’ style=’position:absolute; background-color:#FFFFFF; width:"+ width +"px; height:"+ tmhSelect.height(data.length) +"px;border:1px #666666 solid;overflow-x:hidden;overflow-y:auto;display:none; z-index:99999;’>";
            for(i=0;i<data.length;i++){
                str += "<div id=’_s_"+ selectName +"’ style=’"+ tmhSelect.style(1,data[i][0],selOption) +"’ onmouseover=\"tmhSelect.css(2,this,’"+ data[i][0] +"’,’"+ selectName +"’)\" onmouseout=\"tmhSelect.css(1,this,’"+ data[i][0] +"’,’"+ selectName +"’)\" onclick=\"tmhSelect.selected(this,’"+ data[i][0] +"’,"+ dataObj.name +",’"+ action +"’)\">"+ data[i][1] +"</div>";
            }
            str += "</div>";
        }else{
            //没有数据时显示一个空窗体
            str += "<input type=’hidden’ name=’"+ selectName +"’ id=’"+ selectName +"’ value=’"+ selOption +"’>";
            str += "<div id=’_a_"+ selectName +"’ style=’width:"+ width +"px;height:18px; border:1px #666666 solid;’>";
            str += "<div id=’_v_"+ selectName +"’ style=’position:relative;float:left;left:2px;width:"+ (width-22) +"px;height:18px;font-size:12px;overflow:hidden;line-height:18px;’ onclick=\"tmhSelect.showOptions(’"+ selectName +"’);\"></div>";
            str += "<div style=’position:relative;float:right;right:0px;width:18px;height:18px;text-align:center;font-family:Webdings;font-size:16px;overflow:hidden;background-color:#CCCCCC;cursor:pointer!important;cursor:hand;’ onclick=\"tmhSelect.showOptions(’"+ selectName +"’);\">6</div>";
            str += "</div>";
            str += "<div id=’_b_"+ selectName +"’ style=’position:absolute; background-color:#FFFFFF; width:"+ width +"px; height:"+ tmhSelect.height(0) +"px;border:1px #666666 solid;overflow-x:hidden;overflow-y:auto;display:none; z-index:99999;’></div>";
        }
        s1.innerHTML = str;
        _Obj.appendChild(s1);
    },
    //返回选定项的值
    value : function(n){return document.getElementById(n).value;},
    //返回选定项的文本
    text : function(n){return document.getElementById("_v_"+ n).innerText;},
    selected : function(o,v,dn,action){
        var d = dn.data;
        var n = o.id.replace(/(_s_)/gi,"")
        document.getElementById(n).value = v;
        document.getElementById("_v_"+ n).innerHTML = tmhSelect.reStr(d,v);
        tmhSelect.showOptions(n)
        for(var i=0;i<document.getElementById("_b_"+ n).childNodes.length;i++){
            document.getElementById("_b_"+ n).childNodes[i].style.cssText = tmhSelect.style(1)
        }
        o.style.cssText = tmhSelect.style(2);
        if(action!="" && action != null){
            try{eval(action)}catch(e){}
        }
    },
    relv : function(v,d){
        for(i=0;i<d.length;i++){
            if(d[i][0] == v){
                return v;
            }
        }
        if(v == null || v == ""){
            return d[0][0];
        }
    },
    reStr : function(d,m){
        for(i=0;i<d.length;i++){
            if(d[i][0] == m){
                return d[i][1];
            }
        }
        if(m == null || m == ""){
            return d[0][1];
        }
    },
    height : function(l){var h;if(l>10 || l<1)h = 10 * 15; else h = l * 15; h += 2;return h;},
    showOptions : function(n){
        var o = document.getElementById("_b_"+ n)
        if(o.style.display == "none")
            o.style.display ="";
        else
            o.style.display ="none";
        _selectOptionsElm = o;
    },
    hidden : function(n){
        document.getElementById("_b_"+ n).style.display ="none";
    },
    style : function(m,v1,v2){
        var cs = "";
        if(v1 == v2 && v1!="" && v1!=null){m=2;}
        switch(m){
            case 1:
                cs = "height:15px; font-size:12px; line-height:15px; overflow:hidden; background-color:#FFFFFF; color:#000000; font-weight:normal;";
                break;
            case 2:
                cs = "height:15px; font-size:12px; line-height:15px; overflow:hidden; background-color:#315DAD; color:#FFFFFF; font-weight:bold;";
                break;
        }
        return cs;
    },
    css : function(s,obj,v,n){
        var v1 = document.getElementById(n).value;
        if(v == v1){
            obj.style.cssText = tmhSelect.style(2);
            return;
        }else{
            obj.style.cssText = tmhSelect.style(s)
        }
    }
}
function test(){
    alert(tmhSelect.value(’test’));
}
</script>
</head>
<body>
<div id="testdiv"></div><BR />
<input type="button" name="button" value="查看文本" onclick="alert(tmhSelect.text(’test’))" />
<input type="button" name="button" value="查看选项值" onclick="alert(tmhSelect.value(’test’))" />
<script language="Javascript">
tmhSelect.show("testdiv","test",selOptions,"",160,"test()");
</script>
</body>
</html>