HTML标记之select的发展史

http://www.webjx.com 更新日期：2006-04-06 08:23 出处：蓝色理想作者：marvellous

本文旨在大家对select和模拟select有一个全面地了解,使此项技术能发挥出更高的水平。

最初的select的确很平淡,就是一个下拉选项列表:

运行代码框

[Ctrl+A 全部选择提示：你可先修改部分代码，再按运行]

日久天长之后,人们对select要求高了,要修一修边幅:

运行代码框

<br><br> <script> i=1; </script> <center> <form name="form1"> <select name="select01"> <option>11111 111111 111111111111</option> <option>2222222</option> <option>333333</option> <option>4444444</option> </select> <span style="position:relative;left:-23px;width:17px;height:17px;font:7px 'wingdings 3';color:#cc0000;background:cyan;border:2px outset;text-align:center;padding-top:3px;cursor:default" onclick="if(i>=document.form1.select01.options.length){i=0}document.form1.select01.options[i].selected=true;i++">q <iframe src="" style="position:absolute;top:0;left:0;z-index:-1; width:15px;height:15px;filter:alpha(opacity=0))" frameborder="0"></iframe> </span> </form> <br><br><br> <html> <head> <title>Untitled Document</title> <meta http-equiv="Content-Type" content="text/html; charset=gb2312"> <style> .table1{background-color:white;FONT-FAMILY: Courier New, Courier;font-size:12px} .td_out{FONT-FAMILY: Courier New, Courier;font-size:12px;color:#000000;height:15px;border:1 solid #ffffff;} .td_over{FONT-FAMILY: Courier New, Courier;font-size:12px;cursor:default;background-color:#3366cc;border:1 solid #000000;color:#ffffff;height:15px} .slv{vertical-align:bottom;FONT-FAMILY: Courier New, Courier;font-size:12px;border-left-width:0;border-top-width:0;border-bottom-width:0;border-right:0 solid #000000;vertical-align:middle;height:18px;color:#000000;} .down{position:relative;left:-2px;font-size:11px;vertical-align:middle;width:16;height:16;color:#2050b0;background-color:#D0DFF7;border:1 solid #9fA3Ce;writing-mode:tb-rl;font-weight:bold; } .seldiv{ position:absolute;z-index:1000;overflow-x:hidden;border-left:1 solid #000000;border-bottom:1 solid #000000;border-right:1 solid #000000; SCROLLBAR-FACE-COLOR: #d0dff7; SCROLLBAR-HIGHLIGHT-COLOR: #d0dff7; SCROLLBAR-SHADOW-COLOR: #FFFFFF; SCROLLBAR-3DLIGHT-COLOR: #FFFFFF; SCROLLBAR-ARROW-COLOR: #ffffff; SCROLLBAR-TRACK-COLOR: #ffffff; SCROLLBAR-DARKSHADOW-COLOR: #d0dff7;} </style> <script language="JavaScript"> document.onclick=hiddenDiv; function getDivCount() { var arr=document.all; re=0; for (i=0;i<arr.length;i++) { str=arr[i].id; if (str.indexOf("ZfDiv_")==0) { re++; } } return re; } function getI(ObjId) {//取得objId的最后一位数字 for (i=0;i<ObjId.length;i++) { if (ObjId.charAt(i)=="_") return ObjId.substr(i+1,ObjId.length-1); } return 0; } function select_edit(TextObj){//鼠标经过高亮度 TextObj.focus();TextObj.select(); } function checkValue(ID){ var sl=document.all["ZfText_"+ID]; var sv=document.all["ZfDiv_"+ID]; var da=document.all["ZfData_"+ID]; sv.style.display='' for(i=0;i<da.rows.length;i++)da.rows[i].style.display='' for(i=0;i<da.rows.length;i++){ if(da.rows[i].cells[0].innerText.indexOf(sl.value)!=0)da.rows[i].style.display='none'; getPosition(ID); } } function getL(e){ var l=e.offsetLeft; while(e=e.offsetParent){ l+=e.offsetLeft; } return l } function getT(e){ var t=e.offsetTop; while(e=e.offsetParent){ t+=e.offsetTop; } return t } function getPosition(ID){ var sv=document.all["ZfDiv_"+ID]; var sl=document.all["ZfText_"+ID]; var spn=document.all["ZfSpan_"+ID]; var da=document.getElementById("ZfData_"+ID); sv.style.pixelWidth=spn.offsetWidth; da.style.pixelWidth=sv.offsetWidth; sv.style.pixelLeft=getL(spn); sv.style.pixelTop=getT(spn)+sl.offsetHeight+3; if(da.offsetHeight>200){ sv.style.pixelHeight=200; sv.style.overflowY='scroll'; } else { sv.style.pixelHeight=da.offsetHeight; sv.style.overflowY='hidden'; } } function dropDown(ID){ var sv=document.all["ZfDiv_"+ID] var tb=document.all["ZfData_"+ID] if(sv.style.display=='none'){ sv.style.display=''; for(i=0;i<tb.rows.length;i++)tb.rows[i].style.display='' getPosition(ID); } else { sv.style.display='none'; } }//下拉摸拟层 function hiddenDiv(){ var o=window.event.srcElement.id; var tb var sv if(o=="") { for (j=0;j<getDivCount();j++) { tb=document.getElementById('ZfData_'+j); sv=document.getElementById('ZfDiv_'+j); for(i=0;i<tb.rows.length;i++) tb.rows[i].style.display=''; sv.style.display='none'; } } }//隐藏模拟层 function setValue(obj){ var i=getI(obj.parentElement.parentElement.parentElement.id); //alert(obj.parentElement.parentElement.parentElement.id); var sl=document.all["ZfText_"+i]; var sv=document.all['ZfDiv_'+i]; sl.value=obj.innerText; sv.style.display='none'; //sldIndex=obj.parentElement.rowIndex; }//给文本框赋值 function over(obj){ obj.className="td_over" obj.title=obj.innerText obj.focus(); }//鼠标经过变色 function out(obj){ obj.className="td_out" }//鼠标离开还原 function String.prototype.Trim(){return this.replace(/(^\s*)|(\s*$)/g,'')}//自定义去空格函数Trim() //增加list的接口,ID表示该组控件是页面中的第几个 function add(v,ID){ var sv=document.all['ZfDiv_'+ID]; if(!v.Trim()){return;} var tb=document.all['ZfData_'+ID]; var c=tb.insertRow(tb.rows.length).insertCell(); c.innerHTML='<nobr>'+v.Trim()+'</nobr>'; c.onmouseover=new Function("over(this)"); c.onmouseout=new Function("out(this)"); c.onclick=new Function("setValue(this)"); c.className="td_out"; v=''; } //增加inpnubox的接口,在页面中产生一个inputbox控件,下拉列表为空 function addText(name,DefValue) { var i=getDivCount(); document.write('<span id="ZfSpan_'+i+'" style="border:1 solid #9CA0CB">'); document.write('<input type="text" value="'+DefValue+'" name="'+name+'" id="ZfText_'+i+'" ondblclick="ZfDrop_'+i+'.click()" class="slv" onmouseover="select_edit(this)" onkeyup="checkValue('+i+')"><input type=button id="ZfDrop_'+i+'" value=">" onclick="this.hideFocus=true;dropDown('+i+');" class="down" onmouseover="this.style.backgroundColor=#EEF3FD" onmouseout="this.style.backgroundColor=\'\'" onmousedown="this.style.backgroundColor=#ABC4F5" onmouseup="this.style.backgroundColor=\'\'"></span>'); document.write('<div id="ZfDiv_'+i+'" class="seldiv" style="display:none;"><table id="ZfData_'+i+'" onselectstart="return false" border="0" cellspacing="0" cellpadding="0" class="table1"></table></div>'); } </script> </head> <body> <script language="JavaScript"> addText("name1","a"); add("1234",0); add("1234",0); addText("name1","a"); add("1234",1); add("1234",1); </script>

[Ctrl+A 全部选择提示：你可先修改部分代码，再按运行]

要加一些链接,变成菜单:

运行代码框

<STYLE> body { cursor: url(http://vip.6to23.com/candylau/image/xiucursor.cur)} </STYLE> <style> .select{border: 0 inset buttonface; width: 100; font: icon; cursor: default;} .selected{border: 0 inset buttonface; background: window; padding: 0; font: icon;} .selectTable{height: 100%; width: 100%;border: 2 inset buttonhighlight; background: buttonface;} .option {font: icon; padding: 1; padding-left: 3; padding-right: 3; width: 100%;} .dropDown{position: absolute; visibility: hidden; width: 100%;border: 1 solid windowtext; padding: 0;background: window;} .select .button {width: 16px; height: 5; font-family: webdings; padding: 0;font-size: 11px; border: 2 outset buttonhighlight;} </style> <script type="text/javascript"> var overOptionCss = "background: highlight; color: highlighttext"; var sizedBorderCss = "2 inset buttonhighlight"; var globalSelect; var ie4 = (document.all != null); var q = 0; function initSelectBox(el) { copySelected(el); var size = el.getAttribute("size"); el.options = el.children[1].children; el.selectedIndex = findSelected(el); el.remove = new Function("i", "int_remove(this,i)"); el.item = new Function("i", "return this.options[i]"); el.add = new Function("e", "i", "int_add(this, e, i)"); el.options[el.selectedIndex].selected = true; dropdown = el.children[1]; if (size != null) { if (size > 1) { el.size = size; dropdown.style.zIndex = 0; initSized(el); } else { el.size = 1; dropdown.style.zIndex = 99; if (dropdown.offsetHeight > 200) { dropdown.style.height = "200"; dropdown.style.overflow = "auto"; } } } highlightSelected(el,true); } function int_remove(el,i) { if (el.options[i] != null) el.options[i].outerHTML = ""; } function int_add(el, e, i) { var html = "<div class='option' noWrap"; if (e.value != null) html += " value='" + e.value + "'"; if (e.style.cssText != null) html += " style='" + e.style.cssText + "'"; html += ">"; if (e.text != null) html += e.text; html += "</div>" if ((i == null) || (i >= el.options.length)) i = el.options.length-1; el.options[i].insertAdjacentHTML("AfterEnd", html); } function initSized(el) { var h = 0; el.children[0].style.display = "none"; dropdown = el.children[1]; dropdown.style.visibility = "visible"; if (dropdown.children.length > el.size) { dropdown.style.overflow = "auto"; for (var i=0; i<el.size; i++) { h += dropdown.children[i].offsetHeight; } if (dropdown.style.borderWidth != null) { dropdown.style.pixelHeight = h + 4; } else dropdown.style.height = h; } dropdown.style.border = sizedBorderCss; el.style.height = dropdown.style.pixelHeight; } function copySelected(el) { var selectedIndex = findSelected(el); selectedCell = el.children[0].rows[0].cells[0]; selectedDiv = el.children[1].children[selectedIndex]; selectedCell.innerHTML = selectedDiv.outerHTML; } function findSelected(el) { var selected = null; ec = el.children[1].children; var ecl = ec.length; for (var i=0; i<ecl; i++) { if (ec[i].getAttribute("selected") != null) { if (selected == null) { selected = i; } else ec[i].removeAttribute("selected"); } } if (selected == null) selected = 0; return selected; } function toggleDropDown(el) { if (el.size == 1) { dropDown = el.children[1]; if (dropDown.style.visibility == "") dropDown.style.visibility = "hidden"; if (dropDown.style.visibility == "hidden") showDropDown(dropDown); else hideDropDown(dropDown); } } function optionClick() { el = getReal(window.event.srcElement, "className", "option"); if (el.className == "option") { dropdown = el.parentElement; selectBox = dropdown.parentElement; oldSelected = dropdown.children[findSelected(selectBox)] if(oldSelected != el) { oldSelected.removeAttribute("selected"); el.setAttribute("selected", 1); selectBox.selectedIndex = findSelected(selectBox); } if (selectBox.onchange != null) { if (selectBox.id != "") { eval(selectBox.onchange.replace(/this/g, selectBox.id)); } else { globalSelect = selectBox; eval(selectBox.onchange.replace(/this/g, "globalSelect")); } } if (el.backupCss != null) el.style.cssText = el.backupCss; copySelected(selectBox); toggleDropDown(selectBox); highlightSelected(selectBox, true); } } function optionOver() { var toEl = getReal(window.event.toElement, "className", "option"); var fromEl = getReal(window.event.fromElement, "className", "option"); if (toEl == fromEl) return; var el = toEl; if (el.className == "option") { if (el.backupCss == null) el.backupCss = el.style.cssText; highlightSelected(el.parentElement.parentElement, false); el.style.cssText = el.backupCss + "; " + overOptionCss; this.highlighted = true; } } function optionOut() { var toEl = getReal(window.event.toElement, "className", "option"); var fromEl = getReal(window.event.fromElement, "className", "option"); if (fromEl == fromEl.parentElement.children[findSelected(fromEl.parentElement.parentElement)]) { if (toEl == null) return; if (toEl.className != "option") return; } if (toEl != null) { if (toEl.className != "option") { if (fromEl.className == "option") highlightSelected(fromEl.parentElement.parentElement, true); } } if (toEl == fromEl) return; var el = fromEl; if (el.className == "option") { if (el.backupCss != null) el.style.cssText = el.backupCss; } } function highlightSelected(el,add) { var selectedIndex = findSelected(el); selected = el.children[1].children[selectedIndex]; if (add) { if (selected.backupCss == null) selected.backupCss = selected.style.cssText; selected.style.cssText = selected.backupCss + "; " + overOptionCss; } else if (!add) { if (selected.backupCss != null) selected.style.cssText = selected.backupCss; } } function hideShownDropDowns() { var el = getReal(window.event.srcElement, "className", "select"); var spans = document.all.tags("SPAN"); var selects = new Array(); var index = 0; for (var i=0; i<spans.length; i++) { if ((spans[i].className == "select") && (spans[i] != el)) { ropdown = spans[i].children[1]; if ((spans[i].size == 1) && (dropdown.style.visibility == "visible")) selects[index++] = dropdown; } } for (var j=0; j<selects.length; j++) { hideDropDown(selects[j]); } } function hideDropDown(el) { if (typeof(fade) == "function") fade(el, false); else el.style.visibility = "hidden"; } function showDropDown(el) { if (typeof(fade) == "function") fade(el, true); else if (typeof(swipe) == "function") swipe(el, 2); else el.style.visibility = "visible"; } function initSelectBoxes() { var spans = document.all.tags("SPAN"); var selects = new Array(); var index = 0; for (var i=0; i<spans.length; i++) { if (spans[i].className == "select") selects[index++] = spans[i]; } for (var j=0; j<selects.length; j++) { initSelectBox(selects[j]); } } function getReal(el, type, value) { temp = el; while ((temp != null) && (temp.tagName != "BODY")) { if (eval("temp." + type) == value) { el = temp; return el; } temp = temp.parentElement; } return el; } if (ie4) { window.onload = initSelectBoxes; document.onclick = hideShownDropDowns; } function writeSelectBox(matrix, id, size, onchange, css) { var d = window.document; var ie4 = (document.all != null); if (ie4) { //alert("Before!"); var s = createIEString(matrix, id, size, onchange, css); document.write(s); //alert("After!"); }else { document.write(createXString(matrix, id, size, onchange, css));} } function createIEString(matrix, id, size, onchange, css) { var str = ""; str += '<span class="select"'; if (size == null) size = 1; str += ' size="' + size + '"'; if (id != null) str += ' id="' + id + '"'; if (onchange != null) str += ' onchange="' + onchange + '"'; if (css != null) str += ' style="' + css + '"'; str += '>\n'; str += '<table class="selectTable" cellspacing="0" cellpadding="0"\n'; str += ' onclick="toggleDropDown(this.parentElement)">\n'; str += '<tr>\n'; str += '<td class="selected"> </td>\n'; str += '<td align="CENTER" valign="MIDDLE" class="Button"\n'; str += ' onmousedown="this.style.border=\'2 inset buttonhighlight\'"\n'; str += ' onmouseup="this.style.border=\'2 outset buttonhighlight\'">\n'; str += '<span style="position: relative; left: 0; top: -2; width: 100%;">6</span></td>\n'; str += '</tr>\n'; str += '</table>\n'; str += '<div class="dropDown" onclick="optionClick()" onmouseover="optionOver()" onmouseout="optionOut()">\n'; for (var i=0; i<matrix.length; i++) { html = matrix[i].html; value = matrix[i].value; css = matrix[i].css; selected = matrix[i].selected; str += '<div class="option"'; if (value != null) str += ' value="' + value + '"'; if (css != null) str += ' style="' + css + '"'; if (selected != null) str += ' selected'; str += '>\n'; str += html; str += '</div>\n'; } str += '</div>\n'; str += '</span>\n'; return str; } function createXString(matrix, id, size, onchange, css) { var str = '<form>\n'; str += '<select'; if (size == null) size = 1; str += ' size="' + size + '"'; if (id != null) str += ' id="' + id + '"'; if (onchange != null) str += ' onchange="' + onchange + '"'; str += '>\n'; for (var i=0; i<matrix.length; i++) { html = matrix[i].html; value = matrix[i].value; css = matrix[i].css; selected = matrix[i].selected; str += '\n<option'; if (value != null) str += ' value="' + value + '"'; if (selected != null) str += ' selected'; str += '>'; str += stripTags(html); str += '</option>\n'; } str += '\n</select>\n'; str += '</form>\n'; return str; } function stripTags(str) { var s = 0; var e = -1; var r = ""; s = str.indexOf("<",e); do { r += str.substring(e + 1,s); e = str.indexOf(">",s); s = str.indexOf("<",e); } while ((s != -1) && (e != -1)) r += str.substring(e + 1,str.length); return r; } function Option(html, value, css, selected) { this.html = html; this.value = value; this.css = css; this.selected = selected; } </script> <script type="text/javascript"> var optionArray = new Array(); optionArray[0] = new Option("Item 1", "value 1", "color: blue; text-decoration: underline;"); optionArray[1] = new Option("Item <b>2</b>", "value 2"); optionArray[2] = new Option("Item 3", "value 3", "color: red;", "selected"); optionArray[3] = new Option("Item 4", "value 4"); optionArray[4] = new Option("Item 5", "value 5"); writeSelectBox(optionArray, "select1", 1, "alert(this.options[this.selectedIndex].value)", "margin-left: 10;"); </script> <br> <script type="text/javascript"> writeSelectBox(optionArray, "select3", 3, "alert(this.options[this.selectedIndex].value)", "margin-left: 10;"); </script> <br><br><br><br> <select onchange="if(this.options[this.selectedIndex].value!=''){location=this.options[this.selectedIndex].value;}" > <option value="http://www.163.com">网易</option> <option value="http://www.google.com">google</option> <option value="http://wwwsohu.com">搜狐</option> </select> <br><br><br><br> <form> <select size="1" name="D1" onchange=if(s=document.getElementById("S1")){s.style.backgroundColor=value}> <option selected value="white">请选择颜色</option> <option value="red">红色</option> <option value="blue">蓝色</option> <option value="green">绿色</option> </select> <br> <textarea rows="20" name="S1" cols="35"></textarea> </form> <br><br>

[Ctrl+A 全部选择提示：你可先修改部分代码，再按运行]

运行代码框

[Ctrl+A 全部选择提示：你可先修改部分代码，再按运行]

后来发展到其文字内容可以增、删、编、改，即可以编辑：

运行代码框

<html> <head> <meta http-equiv="Content-Type" content="text/html; charset=gb2312"> <title>EditSelect</title> <script> function isIE(){ a=navigator.appVersion.split(";") b=a[1].split(" ") return parseFloat(b[2]) } if (isIE()<5.5) { scHTML='<div id="selectcontent" class="selectdiv" style="visibility:hidden;"><div id="selecthtml" class="selectcontent">selectáD表</div></div>' } else { scHTML='<div id="selectcontent" class="selectdiv" style="visibility:hidden;"><iframe id=selframe frameborder=0 height=100%></iframe><div id="selecthtml" class="selectcontent">selectáD表</div></div>' } document.write(scHTML) vDiv=selectcontent vDivHtml=selecthtml function editselect(name,size,defaulttext,width,height,readonly){ var combo=this; this.options=new Array(); this.oj=new Array(); this.name=name; this.divname=name+'_div'; this.buttonname=name+'_button'; this.tablename=name+'_table'; this.htmltable=name+'_html' if (!height) this.height=0; else this.height=height if (width) this.width=width if (!size) size=8 if (!defaulttext) defaulttext="" if (!readonly || readonly==0) {readonly="" }else {if (readonly==1) readonly="readonly style=cursor:default";this.readonly=1} esHTML='<div id='+this.divname+'>' +'<table id='+this.tablename+' cellpadding=0 cellspacing=0 class=select><tr><td bgcolor=#FFFFFF>' +'<input type=text class=selecttext size="'+size+'" name='+name+' value="'+defaulttext+'" '+readonly+'><td><button class=selectbutton id='+this.buttonname+'>6</td></tr></table>' +'</div>' document.write(esHTML) this.sbutton=eval("document.all."+this.buttonname) if (this.readonly==1) eval("document.all."+this.name).onclick=function(){combo.show()} this.sbutton.onclick=function(){combo.show()} this.show=function(){ pDiv=eval(combo.divname) pTable=eval(combo.tablename) var vHTML='<table id=htmltable cellspacing="0" cellpadding="2" bgcolor="#ffffff" class="selecttable" width=100%>' for (i=0;i<combo.options.length;i++) { vHTML+='<tr onmouseover="mo(this)" onmouseout="mu(this)" onclick="document.all.'+combo.name+'.value=this.innerText;selectcontent.style.visibility=\'hidden\';'+combo.oj[i]+'"><td nowrap>'+combo.options[i] } vHTML+="</table>" vDivHtml.innerHTML=vHTML vtop=pDiv.offsetTop+pDiv.offsetHeight vleft=pDiv.offsetLeft+2 vParent = pDiv.offsetParent; while (vParent.tagName.toUpperCase() != "BODY") { vleft += vParent.offsetLeft; vtop += vParent.offsetTop; vParent = vParent.offsetParent; } var redge=document.body.clientWidth-vleft var bedge=document.body.clientHeight-vtop if (!combo.width) {vDiv.style.width=pTable.offsetWidth} else {vDiv.style.width=combo.width} if (combo.height==0) { vDiv.style.pixelHeight=parseInt(htmltable.offsetHeight)+2 vDivHtml.style.pixelHeight=parseInt(htmltable.offsetHeight)+2 } else { if (htmltable.offsetHeight>combo.height) { vDiv.style.pixelHeight=combo.height vDivHtml.style.pixelHeight=combo.height } else { vDiv.style.pixelHeight=parseInt(htmltable.offsetHeight)+2 vDivHtml.style.pixelHeight=parseInt(htmltable.offsetHeight)+2 } } vDivHtml.scrollTop=0 if (redge<vDiv.offsetWidth) vDiv.style.left=vleft-1-(vDiv.offsetWidth-redge) else vDiv.style.left=vleft-1 if (bedge<vDiv.offsetHeight) //vDiv.style.top=vtop-vDiv.offsetHeight-pDiv.offsetHeight vDiv.style.top=vtop-vDiv.offsetHeight+bedge else vDiv.style.top=vtop vDivHtml.style.width=parseInt(vDiv.style.width) vDiv.style.visibility="visible" } this.add=function(text,js){ combo.options[combo.options.length]=text combo.oj[combo.oj.length]=js } this.clearall=function(){ combo.options=new Array() } this.about=function(){ } } function mo(obj){ obj.style.backgroundColor="#000099" obj.style.color="#ffffff" } function mu(obj){ obj.style.backgroundColor="" obj.style.color="#000000" } document.onmousedown=function(){ if (vDiv.style.visibility=="visible"){ mx=event.x + document.body.scrollLeft my=event.y + document.body.scrollTop; x1=vDiv.offsetLeft y1=vDiv.offsetTop x2=vDiv.offsetLeft+vDiv.offsetWidth y2=vDiv.offsetTop+vDiv.offsetHeight if (mx<x1 || my<y1 || x2<mx || y2<my) { vDiv.style.visibility='hidden' } } }</script> <style> .selecttext{ border:0px height: 16; font-family:arial; font-size:12px; } .selectbutton{ font-family:webdings; font-size:10px; height: 19; width: 16; border:1px solid #83A5EB; line-height:0px; padding-bottom:3px; background-color:#D1E0FD } .selecttable{ font-family:arial; font-size:12px; cursor:default; } .selectcontent { position: absolute; top:0; left:0; overflow:auto; border:1px solid #000000 } .selectdiv { position: absolute; width:100; overflow:hidden; } .select{ border-collapse: collapse; border:1px solid #7F9DB9 } </style> </head> <body bgcolor="#83A5EB" background="http://moodboy.com/puterjam/blog/attachments/month_0408/oldr_cs1.JPG"> <table border="0" width="100%"> <tr> <td width="151" align="center"><font size="2">可编辑的Select</font></td> <td><script> var sel1=new editselect("select1","25","可编辑的Select",""); sel1.add("这是一个可以编辑的Select") sel1.add("支持CSS") sel1.add("可以通过CSS，修改外形") sel1.add("突破原来的Select诸多限制") </script></td> </tr> <tr> <td width="151" align="center"><font size="2">长度可以随意修改可以设置为只读</font></td> <td> <script> var sel2=new editselect("select2","20","长度可以随意修改",250,82,1); sel2.add("这是一个可以编辑的Select") sel2.add("支持CSS") sel2.add("可以通过CSS，修改外形") sel2.add("作者:舜子制作") sel2.add("MSN:puterjam@msn.com") </script> </td> </tr> <tr> <td width="151" align="center"><font size="2">可以遮盖系统Select</font></td> <td> <script> var sel3=new editselect("select3","25","可以遮盖系统Select","",41); sel3.add("这是一个可以编辑的Select") sel3.add("支持CSS") sel3.add("可以通过CSS，修改外形") sel3.add("突破原来的Select诸多限制") </script> </td> </tr> <tr> <td width="151" align="right">　</td> <td><select><option>系统的Select</option></select>　</td> </tr> </table> </body> </html>

[Ctrl+A 全部选择提示：你可先修改部分代码，再按运行]

可编辑的select:

运行代码框

按回车键输入新内容，按DEL删除选中内容<br> <body bgcolor="#fef4d9" onload="s1.focus();"> <script language="JavaScript">  </script> <select name=s1 onkeydown="catch_keydown(this);" onkeypress="catch_press(this);" style="font-size:12px;"><option>---</option></select>

[Ctrl+A 全部选择提示：你可先修改部分代码，再按运行]

运行代码框

<SCRIPT LANGUAGE="Javascript"> function inputToSelect(text,value) { i=0; while(document.all.sel.options[i]) { if(document.all.sel.options[i].text == text) return 0; i++; } var oOption = document.createElement("OPTION"); oOption.text=text; oOption.value=value; document.all.sel.add(oOption); } </SCRIPT> <input name="inputx" value="请选择或输入相应内容" onclick="if(this.value=='请选择或输入相应内容'){this.value='';}else{}" style="border-left:1px solid #000000;border-top:1px solid #000000;border-bottom:1px solid #000000;border- right:0px solid #000000;width:134;height:22px;" autocomplete="off"><span style="width:150;overflow:hidden"> <select id="sel" style="width:150;margin-left:-134;border:1px solid #000000;border-left:0px;height:22px;" onChange="inputx.value=value" onClick="inputToSelect(inputx.value,inputx.value)"> <option value="111111111">111111111</option> <option value="汉字也可以">汉字也可以</option> </select> </span>

[Ctrl+A 全部选择提示：你可先修改部分代码，再按运行]

为了让select里有更多的图片、css修饰及其他静、动态修饰效果，而select本身优先级别太高，其修饰效果很少且不能满足上述要求，遂涌现出很多模拟的select:

运行代码框

<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN"> <html> <head> <meta http-equiv="Content-Type" content="text/html; charset=gb2312"> <title></title> <style type="text/css">  </style> <script lanuage="JScript"> function turnit(ss) { if (ss.style.display=="none") {ss.style.display=""; for (var i=1;i<4;i++) { if (eval('t'+i).innerText==text1.value) eval('t'+i).className='ss' else eval('t'+i).className='' } } else {ss.style.display="none"; } } function sele(tid) { bb.style.display='none'; text1.value=tid.innerText; } function over(tid) { for (var i=1;i<4;i++) { eval('t'+i).className='' } tid.className='ss' if(typeof(prevObj)!='undefined') prevObj.bgColor=''; prevObj=tid; } function openb() { if (bb.style.display=='') bb.style.display='none' } </script> <style type="text/css">  </style> </head> <body onclick=if(event.srcElement.tagName=='BODY')bb.style.display='none';> <table width="98" border="0" cellspacing="0" cellpadding="0"> <tr> <td width="98" nowrap> <input name="text1" type="text" size="10" class=n1 readonly value=请选择 onclick=turnit(bb) onSelectStart=event.returnValue=false><input name="Submit" type="text" class="n2" value="" readonly onclick=turnit(bb)> </td> </tr> <tr> <td id=bb style=display:none><div id="Layer1" style="position:absolute; width:98px; height:100px; overflow: scroll; overflow-x:hidden; z-index: 1;" class="n1"> <table width="100%" border="0" cellpadding="0" cellspacing="0" id=tb onSelectStart=event.returnValue=false> <tr> <td id=t1 onMouseOver =over(this) onclick=sele(this)>选择1</td> </tr> <tr> <td id=t2 onMouseOver =over(this) onclick=sele(this)>选择2</td> </tr> <tr> <td id=t3 onMouseOver =over(this) onclick=sele(this)>选择3</td> </tr> </table> </div></td> </tr> </table> </body> </html>

[Ctrl+A 全部选择提示：你可先修改部分代码，再按运行]

运行代码框

<center><sup><font face="隶书" color="blue">上标是不是这个？</font></sup><font size="6" face="华文行楷" color="red">如果要想以其他的文字作为上标该怎么做啊？</font><sub><font face="黑体" color="green"><b><i>下标是不是这个？</b></i></font></sub> <br><br>

[Ctrl+A 全部选择提示：你可先修改部分代码，再按运行]

下面这两个已达到较高的水准（动态内容）：

运行代码框

<html> <head> <meta http-equiv="Content-Type" content="text/html; charset=gb2312"> <title>EditSelect</title> <script> scHTML='<div id="selectcontent" class="selectdiv" style="visibility:hidden;"><iframe id=selframe frameborder=0 height=100%></iframe><div id="selecthtml" class="selectcontent">selectÁÐ±í</div></div>' document.write(scHTML) vDiv=selectcontent vDivHtml=selecthtml function editselect(name,size,defaulttext,width,height,readonly){ var combo=this; this.options=new Array(); this.name=name; this.divname=name+'_div'; this.buttonname=name+'_button'; this.tablename=name+'_table'; this.htmltable=name+'_html' if (!height) this.height=0; else this.height=height if (width) this.width=width if (!size) size=8 if (!defaulttext) defaulttext="" if (!readonly || readonly==0) {readonly="" }else {if (readonly==1) readonly="readonly style=cursor:default";this.readonly=1} esHTML='<div id='+this.divname+'>' +'<table id='+this.tablename+' cellpadding=0 cellspacing=0 class=select><tr><td bgcolor=#FFFFFF>' +'<textarea type=text class=selecttext cols="'+size+'" rows="1" name='+name+' value="'+defaulttext+'" contenteditable="false" '+readonly+'></textarea><td><button class=selectbutton id='+this.buttonname+'>6</td></tr></table>' +'</div>' document.write(esHTML) this.sbutton=eval("document.all."+this.buttonname) if (this.readonly==1) eval(this.name).onclick=function(){combo.show()} this.sbutton.onclick=function(){combo.show()} this.show=function(){ pDiv=eval(combo.divname) pTable=eval(combo.tablename) var vHTML='<table id=htmltable cellspacing="0" cellpadding="2" bgcolor="#ffffff" class="selecttable" width=100%>' for (i=0;i<combo.options.length;i++) { vHTML+='<tr onmouseover="mo(this)" onmouseout="mu(this)" onclick="document.all.'+combo.name+'.innerHTML=\'\';var t=document.createElement(\'span\');t.innerHTML=this.innerHTML;document.all.'+combo.name+'.appendChild(t);selectcontent.style.visibility=\'hidden\'"><td nowrap>'+combo.options[i] } vHTML+="</table>" vDivHtml.innerHTML=vHTML vtop=pDiv.offsetTop+pDiv.offsetHeight vleft=pDiv.offsetLeft+1 vParent = pDiv.offsetParent; while (vParent.tagName.toUpperCase() != "BODY") { vleft += vParent.offsetLeft; vtop += vParent.offsetTop; vParent = vParent.offsetParent; } var redge=document.body.clientWidth-vleft var bedge=document.body.clientHeight-vtop if (!combo.width) {vDiv.style.width=pTable.offsetWidth} else {vDiv.style.width=combo.width} if (combo.height==0) { vDiv.style.pixelHeight=parseInt(htmltable.offsetHeight)+2 vDivHtml.style.pixelHeight=parseInt(htmltable.offsetHeight)+2 } else { if (htmltable.offsetHeight>combo.height) { vDiv.style.pixelHeight=combo.height vDivHtml.style.pixelHeight=combo.height } else { vDiv.style.pixelHeight=parseInt(htmltable.offsetHeight)+2 vDivHtml.style.pixelHeight=parseInt(htmltable.offsetHeight)+2 } } vDivHtml.scrollTop=0 if (redge<vDiv.offsetWidth) vDiv.style.left=vleft-1-(vDiv.offsetWidth-redge) else vDiv.style.left=vleft-1 if (bedge<vDiv.offsetHeight) //vDiv.style.top=vtop-vDiv.offsetHeight-pDiv.offsetHeight vDiv.style.top=vtop-vDiv.offsetHeight+bedge else vDiv.style.top=vtop vDivHtml.style.width=parseInt(vDiv.style.width) vDiv.style.visibility="visible" } this.add=function(text){ combo.options[combo.options.length]=text } this.about=function(){ } } function mo(obj){ obj.style.backgroundColor="#000099" obj.style.color="#ffffff" } function mu(obj){ obj.style.backgroundColor="" obj.style.color="#000000" } document.onmousedown=function(){ if (vDiv.style.visibility=="visible"){ mx=event.x + document.body.scrollLeft my=event.y + document.body.scrollTop; x1=vDiv.offsetLeft y1=vDiv.offsetTop x2=vDiv.offsetLeft+vDiv.offsetWidth y2=vDiv.offsetTop+vDiv.offsetHeight if (mx<x1 || my<y1 || x2<mx || y2<my) { vDiv.style.visibility='hidden' } } } </script> <style> .selecttext{ border:0px height: 22; font-family:arial; font-size:14px; overflow:hidden; } .selectbutton{ font-family:webdings; font-size:10px; height: 25; width: 16; border:1px solid #83A5EB; line-height:0px; padding-bottom:1px; background-color:#D1E0FD } .selecttable{ font-family:arial; font-size:12px; cursor:default; } .selectcontent { position: absolute; top:0; left:0; overflow:auto; border:1px solid #000000 } .selectdiv { position: absolute; width:100; overflow:hidden; } .select{ border-collapse: collapse; border:1px solid #7F9DB9 } </style> </head> <body bgcolor="#83A5EB" marginheight="0" marginwidth="0" topmargin="0" leftmargin="0"> <center> <table border="0" width="234"> <tr> <td width="151" align="center"><font size="2">可编辑的Select</font></td> <td><script> var sel1=new editselect("select1","25","可</div> <div class="from_ad"><script language="javascript" src="/ad/js/articlebottom_ad.js"></script></div> <div class="text_tag"> <h5>关键词：</h5><span>【<a title="把文章推荐给好友" href="#" onclick="javascript:window.open('http://www.webjx.com/sendmail.php?subject=HTML标记之select的发展史&content=http://www.webjx.com/htmldata/2006-04-06/1144283037.html','推荐给好友','width=560,height=470,top=0,left=0');">推荐给好友</a>】【<a href="javascript:window.close()">关闭</a>】【<a style="cursor:hand" onclick="window.external.AddFavorite(document.location.href,'HTML标记之select的发展史')" onmousemove="status='把《HTML标记之select的发展史》加入收藏夹';" onmouseout="status='';">收藏本文</a>】</span> </div> <div class="revbox"> <div class="new_rev"> <h5>最新五条评论</h5> <h6><a href="/plus/feedback.php?arcID=8793" target="_blank" class="f_blue">查看全部评论</a></h6> <span>评论总数 <a class="f_red">0</a> 条</span> <div class="cle_fl"></div> </div> <div> <script src="/plus/feedback_js.php?arcID=8793"></script> <div class="cle_fl"></div> </div> <div class="review"> <h5>您的评论</h5> <div class="form"> <form action="/plus/feedback.php?action=send" method="post" name="feedback"> <input type="hidden" name="arcID" value="8793"> <div class="br">用户名： <input name="username" type="text" id="username" size="10" class="input" size="20" maxlength="40"> （<a href="/member/index_do.php?fmdo=user&dopost=regnew" target="_blank"><u>新注册</u></a>）密　码： <input name="pwd" type="password" id="pwd" class="input" size="20" maxlength="40"> 匿名： <input name="notuser" type="checkbox" id="notuser" value="1" class="rev_chack"> <input type='button' value='发表评论' name='sb' onClick='javascript:if(document.feedback.msg.value!="") document.feedback.submit(); else alert("评论内容不能为空！");' class="rev_but"> </div> <div class="br"> <textarea name="msg" cols="75" rows="4" id="msg" class="rev_textarea">

·用户发表意见仅代表其个人意见，并且承担一切因发表内容引起的纠纷和责任
·本站管理人员有权在不通知用户的情况下删除不符合规定的评论信息或留做证据
·请客观的评价您所看到的资讯，提倡就事论事，杜绝漫骂和人身攻击等不文明行为

HTML标记之select的发展史

站内搜索

相关文章

推荐文章

热点资讯