selectCSS： .div-select{ border: solid 1px #999; height: 40px; line-height: 40px; cursor: default;}.div-select-text{ float: left; background-color: #fff; height: 100%; word-break: keep-all; overflow: hidden; cursor: default;} .div-select-text > div { padding: 3px; line-height: 34px; }.div-select-arrow{ background-color: #fff; float: right; width: 40px; height: 100%; color: #999; cursor: default;} .div-select-arrow > div { border: solid 1px #999; margin: 2px; height: 34px; background-color: #f2f2f2; text-align: center; line-height: 34px; font-size: 22px; }.div-select-list{ position: absolute; float: left; top: 100px; left: 100px; border: solid 1px #999; max-height: 300px; overflow: auto; background-color: #9f9; display: none; z-index: 9100;} .div-select-list .div-select-item:nth-child(2n+1) { background-color: #fff; }.div-select-item{ height: 50px; line-height: 50px; padding-left: 3px; padding-right: 3px; background-color: #f2f2f2; word-break: keep-all; overflow: hidden; cursor: default;}.div-select-item-hover{ background-color: #3399ff!important;}.div-select-selected{ background-color: #3399ff !important;}JS： //2015年2月8日//select美化var divSelectListIndex = 0;$(function () { initDivSelect();});//初始化select美化插件function initDivSelect() { $(".div-select-target").each(function () { divSelectListIndex++; var select = $(this); if (select.css("display") == "none") { return; } else { select.css("display", "none") } if (select.next("div").find(".div-select-list").length == 0) { select.after('<div><div class="div-select"><div class="div-select-text"><div></div></div><div class="div-select-arrow"><div>∨</div></div></div></div>'); $("body").append('<div class="div-select-list div-select-list-' + divSelectListIndex + '"></div>'); } var div = select.next("div"); var divText = div.find(".div-select-text"); var divSelect = div.find(".div-select"); var divArrow = div.find(".div-select-arrow"); var list = $(".div-select-list-" + divSelectListIndex); function updateText(item) { divText.find("div").html(item.html()); } select.find("option").each(function () { var option = $(this); var text = option.html(); var value = option.attr("value"); list.append('<div class="div-select-item" value="' + value + '">' + text + '</div>'); list.find(".div-select-item:last").click(function () { var item = $(this); var value = item.attr("value"); select.val(value); select.change(); list.find(".div-select-selected").removeClass("div-select-selected"); item.addClass("div-select-selected"); updateText(item); list.hide(); }); list.find(".div-select-item:last").mouseenter(function () { var item = $(this); var selectedMark = list.find(".div-select-selected"); selectedMark.removeClass("div-select-selected"); selectedMark.addClass("div-select-selected-mark"); list.find(".div-select-item-hover").removeClass("div-select-item-hover"); item.addClass("div-select-item-hover"); updateText(item); }); }); list.mouseleave(function () { var selectedMark = list.find(".div-select-selected-mark"); if (list.find(".div-select-selected").length == 0) { selectedMark.addClass("div-select-selected"); updateText(selectedMark); } selectedMark.removeClass("div-select-selected-mark"); list.find(".div-select-item-hover").removeClass("div-select-item-hover"); }); if (select.attr("width")) { divSelect.width(select.attr("width") - 2); divText.width(divSelect.width() - divArrow.width()); if (select.attr("width") > list.width()) { list.width(divSelect.width()); } } div.keydown(function (e) { list.find(".div-select-selected-mark").removeClass("div-select-selected-mark"); list.find(".div-select-item-hover").addClass("div-select-selected"); list.find(".div-select-item-hover").removeClass("div-select-item-hover"); if (e.keyCode == 40) { var currentSelected = list.find(".div-select-selected"); var nextSelected = currentSelected.next(".div-select-item"); if (nextSelected.length == 0) { nextSelected = list.find(".div-select-item:first"); nextSelected.addClass("div-select-selected"); currentSelected.removeClass("div-select-selected"); list.scrollTop(0); } else { nextSelected.addClass("div-select-selected"); currentSelected.removeClass("div-select-selected"); var i = 0; while (nextSelected.position().top < 0 || nextSelected.position().top > list.height() - nextSelected.height()) { list.scrollTop(list.scrollTop() + nextSelected.height()); if (i++ > 100) break; } } updateText(nextSelected); return false; } if (e.keyCode == 38) { var currentSelected = list.find(".div-select-selected"); var nextSelected = currentSelected.prev(".div-select-item"); if (nextSelected.length == 0) { nextSelected = list.find(".div-select-item:last"); nextSelected.addClass("div-select-selected"); currentSelected.removeClass("div-select-selected"); list.scrollTop(list.find(".div-select-item").length * nextSelected.height()); } else { nextSelected.addClass("div-select-selected"); currentSelected.removeClass("div-select-selected"); var i = 0; while (nextSelected.position().top < 0 || nextSelected.position().top > list.height() - nextSelected.height()) { list.scrollTop(list.scrollTop() - nextSelected.height()); if (i++ > 100) break; } } updateText(nextSelected); return false; } if (e.keyCode == 13) { var selectedItem = list.find(".div-select-selected"); var value = selectedItem.attr("value"); select.val(value); list.hide(); select.change(); } }); divSelect.click(function () { $("a").bind("click", function () { $("a").unbind("click"); list.hide(); }); if (list.css("display") == "none") { list.show(); } else { list.hide(); } list.css("top", divSelect.offset().top + divSelect.height() + 1); list.css("left", divSelect.offset().left); if ($(window).scrollTop() + $(window).height() < list.offset().top + list.height() + 2) { list.css("top", $(window).scrollTop() + $(window).height() - list.height() - 2); } if (list.width() < divSelect.width()) { list.width(divSelect.width()); } var currentSelected = list.find(".div-select-selected"); if (currentSelected.position().top > list.height() - currentSelected.height()) { list.scrollTop(currentSelected.position().top - currentSelected.height() * 2); } return false; }); $("html,body").bind("click", function () { list.hide(); }); list.click(function () { return false; }); function initSelect() { list.find(".div-select-selected").removeClass("div-select-selected"); var matchItem = list.find(".div-select-item[value='" + select.val() + "']"); if (matchItem.length > 0) { matchItem.addClass("div-select-selected"); updateText(matchItem); } } initSelect(); select.change(function () { initSelect(); }); }); // $(".div-select-target").each}如何使用： 第1步、引用CSS和JS： <link type="text/css" href="~/scripts/DivSelect/divSelect.css" rel="external nofollow" rel="external nofollow" rel="stylesheet" /><script type="text/javascript" src="~/scripts/jquery-1.7.1.min.js"></script><script type="text/javascript" src="~/scripts/DivSelect/divSelect.js"></script> 第2步、给select控件加上class="div-select-target" width="200"，其中class="div-select-target"是必须的，width="200"是可选的。完整HTML代码如下： <link type="text/css" href="~/scripts/DivSelect/divSelect.css" rel="external nofollow" rel="external nofollow" rel="stylesheet" /><script type="text/javascript" src="~/scripts/jquery-1.7.1.min.js"></script><script type="text/javascript" src="~/scripts/DivSelect/divSelect.js"></script><div style="border: solid 1px #f99; margin: 50px; padding: 50px;"> <select name="sel" class="div-select-target" width="200" > <option value="1">中国</option> <option value="2">美国</option> <option value="3">法国</option> <option value="4">英国</option> <option value="5">俄罗斯</option> <option value="6">德国</option> <option value="7">韩国</option> <option value="8">日本</option> <option value="9">印度</option> <option value="10">巴西</option> <option value="11">意大利</option> <option value="12">这个国家的名称很长很长很长很长很长很长很长很长</option> <option value="13">瑞士</option> <option value="14">越南</option> <option value="15">缅甸</option> <option value="16">泰国</option> <option value="17">加拿大</option> <option value="18" selected="selected">南非</option> <option value="19">澳大利亚</option> <option value="20">新西兰</option> <option value="21">挪威</option> <option value="22">巴勒斯坦</option> <option value="23">以色列</option> <option value="24">新加坡</option> <option value="25">马来西亚</option> <option value="26">波兰</option> <option value="27">国家27</option> <option value="28">国家28</option> <option value="29">国家29</option> <option value="30">国家30</option> <option value="31">国家31</option> <option value="32">国家32</option> <option value="33">国家33</option> <option value="34">国家34</option> <option value="35">国家35</option> <option value="36">国家36</option> <option value="37">国家37</option> <option value="38">国家38</option> </select></div><div style="border: solid 1px #f99; margin: 50px; padding: 50px; margin-top: 700px; margin-bottom: 700px;"> <select name="sel" class="div-select-target" width="200" > <option value="1">中国</option> <option value="2">美国</option> <option value="3">法国</option> <option value="4">英国</option> <option value="5">俄罗斯</option> <option value="6" selected="selected">德国</option> <option value="7">韩国</option> <option value="8">日本</option> </select></div> 效果图： 
滚动条美化版： CSS： .div-select{ border: solid 1px #999; height: 40px; line-height: 40px; cursor: default;}.div-select-text{ float: left; background-color: #fff; height: 100%; word-break: keep-all; overflow: hidden; cursor: default; font-size: 16px; font-family: 微软雅黑,雅黑;} .div-select-text > div { padding: 3px; line-height: 34px; }.div-select-arrow{ background-color: #fff; float: right; width: 40px; height: 100%; color: #999; cursor: default;} .div-select-arrow > div { border: solid 1px #999; margin: 2px; height: 34px; background-color: #f2f2f2; text-align: center; line-height: 34px; font-size: 22px; }.div-select-list{ position: absolute; float: left; top: 100px; left: 100px; border: solid 1px #999; max-height: 300px; overflow: hidden; background-color: #9f9; display: none; z-index: 9100; font-size: 16px; font-family: 微软雅黑,雅黑;} .div-select-list .div-select-item:nth-child(2n+1) { background-color: #fff; }.div-select-item{ height: 50px; line-height: 50px; padding-left: 3px; padding-right: 3px; background-color: #f2f2f2; word-break: keep-all; overflow: hidden; cursor: default;}.div-select-item-hover{ background-color: #3399ff!important;}.div-select-selected{ background-color: #3399ff !important;}.div-select-list-scrollbar{ position: absolute; float: left; border: solid 1px #999; border-left: 0; background-color: #e8e8ec; width: 40px; height: 300px; display: none; cursor: default; z-index: 9101;}.div-select-scrollbar-up{ border-bottom: solid 1px #fff; height: 39px; font-size: 22px; line-height: 39px; color: #999; background-color: #cdcdcd; text-align: center;}.div-select-scrollbar-pos{ height: 220px;} .div-select-scrollbar-pos > div:last-child { width: 40px; height: 20px; background-color: #cdcdcd; }.div-select-scrollbar-down{ border-top: solid 1px #fff; height: 39px; font-size: 22px; line-height: 39px; color: #999; background-color: #cdcdcd; text-align: center;}JS： //2015年2月8日//select美化var divSelectListIndex = 0;$(function () { initDivSelect();});//初始化select美化插件function initDivSelect() { $(".div-select-target").each(function () { divSelectListIndex++; var select = $(this); if (select.css("display") == "none") { return; } else { select.css("display", "none") } if (select.next("div").find(".div-select-list").length == 0) { select.after('<div><div class="div-select"><div class="div-select-text"><div></div></div><div class="div-select-arrow"><div>∨</div></div></div></div>'); $("body").append('<div class="div-select-list div-select-list-' + divSelectListIndex + '"></div>'); } var div = select.next("div"); var divText = div.find(".div-select-text"); var divSelect = div.find(".div-select"); var divArrow = div.find(".div-select-arrow"); var list = $(".div-select-list-" + divSelectListIndex); var scrollbar; var scrollbarPosTop; var scrollbarPos; var scrollbarScrollHeight; var scrollbarUp; var scrollbarDown; var itemHeight; var itemCount; var itemsHeight; var scrollFlag = false; function updateText(item) { divText.find("div").html(item.html()); } select.find("option").each(function () { var option = $(this); var text = option.html(); var value = option.attr("value"); list.append('<div class="div-select-item" value="' + value + '">' + text + '</div>'); list.find(".div-select-item:last").click(function () { var item = $(this); var value = item.attr("value"); select.val(value); select.change(); list.find(".div-select-selected").removeClass("div-select-selected"); item.addClass("div-select-selected"); updateText(item); list.hide(); if (scrollbar) scrollbar.hide(); }); list.find(".div-select-item:last").mouseenter(function () { var item = $(this); var selectedMark = list.find(".div-select-selected"); selectedMark.removeClass("div-select-selected"); selectedMark.addClass("div-select-selected-mark"); list.find(".div-select-item-hover").removeClass("div-select-item-hover"); item.addClass("div-select-item-hover"); updateText(item); }); }); list.mouseleave(function () { var selectedMark = list.find(".div-select-selected-mark"); if (list.find(".div-select-selected").length == 0) { selectedMark.addClass("div-select-selected"); updateText(selectedMark); } selectedMark.removeClass("div-select-selected-mark"); list.find(".div-select-item-hover").removeClass("div-select-item-hover"); }); if (select.attr("width")) { divSelect.width(select.attr("width") - 2); divText.width(divSelect.width() - divArrow.width()); } else { divText.width(list.width()); } div.keydown(function (e) { list.find(".div-select-selected-mark").removeClass("div-select-selected-mark"); list.find(".div-select-item-hover").addClass("div-select-selected"); list.find(".div-select-item-hover").removeClass("div-select-item-hover"); if (e.keyCode == 40) { var currentSelected = list.find(".div-select-selected"); var nextSelected = currentSelected.next(".div-select-item"); if (nextSelected.length == 0) { nextSelected = list.find(".div-select-item:first"); nextSelected.addClass("div-select-selected"); currentSelected.removeClass("div-select-selected"); list.scrollTop(0); } else { nextSelected.addClass("div-select-selected"); currentSelected.removeClass("div-select-selected"); var i = 0; while (nextSelected.position().top < 0 || nextSelected.position().top > list.height() - nextSelected.height()) { list.scrollTop(list.scrollTop() + nextSelected.height()); if (i++ > 100) break; } } updateText(nextSelected); updateScrollbarPos(); return false; } if (e.keyCode == 38) { var currentSelected = list.find(".div-select-selected"); var nextSelected = currentSelected.prev(".div-select-item"); if (nextSelected.length == 0) { nextSelected = list.find(".div-select-item:last"); nextSelected.addClass("div-select-selected"); currentSelected.removeClass("div-select-selected"); list.scrollTop(list.find(".div-select-item").length * nextSelected.height()); } else { nextSelected.addClass("div-select-selected"); currentSelected.removeClass("div-select-selected"); var i = 0; while (nextSelected.position().top < 0 || nextSelected.position().top > list.height() - nextSelected.height()) { list.scrollTop(list.scrollTop() - nextSelected.height()); if (i++ > 100) break; } } updateText(nextSelected); updateScrollbarPos(); return false; } if (e.keyCode == 13) { var selectedItem = list.find(".div-select-selected"); var value = selectedItem.attr("value"); select.val(value); list.hide(); if (scrollbar) scrollbar.hide(); select.change(); } }); itemHeight = list.find(".div-select-item:first").height(); itemCount = list.find(".div-select-item").length; itemsHeight = itemHeight * itemCount; if (itemsHeight > list.height()) { $("body").append('<div class="div-select-list-scrollbar div-select-list-scrollbar-' + divSelectListIndex + '"><div class="div-select-scrollbar-up">∧</div><div class="div-select-scrollbar-pos"><div></div><div></div></div><div class="div-select-scrollbar-down">∨</div></div>'); } scrollbar = $(".div-select-list-scrollbar-" + divSelectListIndex); scrollbarPosTop = scrollbar.find(".div-select-scrollbar-pos").find("div:first"); scrollbarPos = scrollbar.find(".div-select-scrollbar-pos").find("div:last"); scrollbarScrollHeight = scrollbarPos.parent().height() - scrollbarPos.height(); scrollbarUp = scrollbar.find(".div-select-scrollbar-up"); scrollbarDown = scrollbar.find(".div-select-scrollbar-down"); scrollbar.click(function () { return false; }); scrollbarUp.click(function () { list.scrollTop(list.scrollTop() - list.height()); updateScrollbarPos(); }); scrollbarDown.click(function () { list.scrollTop(list.scrollTop() + list.height()); updateScrollbarPos(); }); scrollbar.mousedown(function () { scrollFlag = true; }); scrollbar.mouseup(function () { scrollFlag = false; }); scrollbar.mousemove(function (e) { if (scrollFlag) { var pos = e.pageY - scrollbar.offset().top - 50; if (pos <= scrollbarScrollHeight) { scrollbarPosTop.height(pos); list.scrollTop(scrollbarPosTop.height() / scrollbarScrollHeight * (itemsHeight - list.height())); } } }); function updateScrollbarPos() { scrollbarPosTop.height(scrollbarScrollHeight * list.scrollTop() * 1.0 / (itemsHeight - list.height())); if (list.scrollTop() + list.height() == itemsHeight) { scrollbarPosTop.height(scrollbarScrollHeight); } } divSelect.click(function () { $("a").bind("click", function () { $("a").unbind("click"); list.hide(); scrollbar.hide(); }); if (list.css("display") == "none") { list.show(); scrollbar.show(); } else { list.hide(); scrollbar.hide(); } list.css("top", divSelect.offset().top + divSelect.height() + 1); list.css("left", divSelect.offset().left); var listOffsetTop = list.offset().top; if ($(window).scrollTop() + $(window).height() < list.offset().top + list.height() + 2) { list.css("top", $(window).scrollTop() + $(window).height() - list.height() - 2); } if (list.width() < divSelect.width()) { if (!(itemsHeight > list.height())) { list.width(divSelect.width()); } else { list.width(divSelect.width() - scrollbar.width()); } } scrollbar.find(".div-select-scrollbar-pos").find("div:first").height(0); scrollbar.css("left", divSelect.offset().left + list.width() + 1); scrollbar.css("top", divSelect.offset().top + divSelect.height() + 1); if ($(window).scrollTop() + $(window).height() < listOffsetTop + list.height() + 2) { scrollbar.css("top", $(window).scrollTop() + $(window).height() - list.height() - 2); } var currentSelected = list.find(".div-select-selected"); if (currentSelected.position().top > list.height() - currentSelected.height()) { list.scrollTop(currentSelected.position().top - currentSelected.height() * 2); } updateScrollbarPos(); return false; }); $("html,body").bind("click", function () { list.hide(); scrollbar.hide(); }); list.click(function () { return false; }); function initSelect() { list.find(".div-select-selected").removeClass("div-select-selected"); var matchItem = list.find(".div-select-item[value='" + select.val() + "']"); if (matchItem.length > 0) { matchItem.addClass("div-select-selected"); updateText(matchItem); } } initSelect(); select.change(function () { initSelect(); }); }); // $(".div-select-target").each}效果图：
以上就是本文的全部内容，希望本文的内容对大家的学习或者工作能带来一定的帮助，同时也希望多多支持wanshiok.com！
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