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基于jquery实现的可以编辑选择的下拉框的代码

2010-11-19 18:45 811 查看

<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"> <html xmlns="http://www.w3.org/1999/xhtml"> <head> <title>可以编辑的下来框实现方法--woody.wu</title> <style type="text/css"> .cssINPUT { height: 19PX; padding: 3PX; padding-left: 3px; padding-right: 0px; margin: 0PX; border: 1PX SOLID #C0C0C0; font-family: 宋体,arial; font-size: 9pt; } .select_div_list { position: absolute; border: 1px solid black; background-color: White; overflow: hidden; overflow-y: auto; } .select_div_list_ul { margin: 0px; padding: 0px; list-style-type: none; } .select_div_list_ul li { cursor: pointer; padding-left: 3px; font-family: 宋体,arial; font-size: 9pt; *padding:0px;*height:20px;_height:14px;_margin:0px;_height:14px;*margin:0px;line-height:14px;} .selectSPAN { background-color: Yellow; } </style> <script type="text/javascript" src="Js/jquery-1.4.2.min.js"></script> <script type="text/javascript"> var inputID = "input1"; var selectID = "select1"; var widt = 0; var inputWi = 0; var he = 0; $(function() { inputID = "input1"; selectID = "select1"; widt = 200; inputWi = widt - 20; he = $("#user").height() - 41; var offset = $("input[id=input1]").offset(); $("#" + selectID).change(function() { var newvar = $("#" + selectID).find("option:selected").text(); $("#" + inputID).val(newvar); }).click(function() { $("#select_div_on_key" + selectID).remove(); }).css({ "display": "block", "width": widt + "px", "z-index": 1, "clip": "rect(0px " + widt + "px 51px 151px)" }); $("#" + inputID).keyup(function() { ShowSelectCombo(); }).click(function() { ShowSelectCombo(); }).css({ "z-index": 2, "width": inputWi + "px" }); ; }); function ShowSelectCombo() { var pob = $("#" + inputID); var v = pob.val(); var off = pob.offset(); var wi = pob.width() + 16; var tp = off.top + pob.height() - 100 + 7; var lef = off.left - 200 + 2; var html = "<div class='select_div_list' id='select_div_on_key" + selectID + "' style='width:" + wi + "px;top:" + tp + "px;left:" + lef + "px;'><ul class='select_div_list_ul'>"; $("#" + selectID).find("option").each(function() { var tk = $(this); html += "<li val='" + tk.val() + "' ht='" + encodeURIComponent(tk.html()) + "'>" + tk.html().replace(v, "<span class='selectSPAN'>" + v + "</span>") + "</li>"; }); html += "</ul></div>"; var ulDIV = $("#select_div_on_key" + selectID); ulDIV.remove(); $("#user").append(html); var ulDIV = $("#select_div_on_key" + selectID); var hei = ulDIV.find("ul").height(); var newHeight = hei > he ? he : hei; ulDIV.css({ height: newHeight + "px" }); ulDIV.find("li").hover(function() { $(this).css({ "background-color": "#316ac5" }); }, function() { $(this).css({ "background-color": "white" }); }); ulDIV.find("li").click(function() { var ki = $(this); var va = ki.attr("val"); var htm = ki.attr("ht"); htm = decodeURIComponent(htm); $("#" + inputID).val(htm); $("#" + selectID).val(va); ulDIV.remove(); }); } </script> </head> <body> <form name="form1" method="post" action="qqq.aspx" id="form1"> <div> <input type="hidden" name="__VIEWSTATE" id="__VIEWSTATE" value="/wEPDwULLTIxMjQ5OTYwOTdkZH49VftoWVz/vaIL4f2byf4/w86b" /> </div> <div> <input type="hidden" name="__EVENTVALIDATION" id="__EVENTVALIDATION" value="/wEWDwL15JrvCgL2jaW0BgL3jaW0BgL0jaW0BgL1jaW0BgLyjaW0BgLzjaW0BgLwjaW0BgLujaW0BgL3jeW3BgKm4u6hCAL3je23BgL3jdG3BgL3jdW3BgL3jdm3BnqAGtu2PbiTi9dWHvWrW6QCqrYo" /> </div> <div style='position: absolute; top: 100px; width: 500px; left: 200px; padding: 10px; height: 400px; border: 1px solid red;' id='user'> <div> <div style='overflow: hidden; margin-top: 10px; height: 30px;'> <input id="input1" name="input1" type="text" class='cssINPUT' style='_height: 20px; *height: 13px; display: block; float: left; position: absolute; border-right: 0px;' /> <select name="select1" id="select1" class="cssINPUT" style="float: left; display: none; height: 27PX; position: absolute; cursor: pointer; margin-left: 2px; padding: 0px;"> <option value="1">車身和底盤修整設備</option> <option value="2">真空吸盤</option> <option value="3">氧/乙炔焊割工具</option> <option value="4">冷鉚机 </option> <option value="5">大市場撒旦</option> <option value="6">大擦</option> <option value="7">第三十</option> <option value="9">大市場</option> <option value="20">車身外形修复机（介子机）</option> <option value="1022">沙皮狗</option> <option value="22">整形机</option> <option value="23">舉升机</option> <option value="24">修車躺板</option> <option value="25">空調制冷劑充注机 </option> </select> </div> </div> </form> </body>

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