通过js+css来实现圆角风格表单效果，精美显示样式，根据自己需求来修改样式效果，实现精美表单特效。
<!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>
<meta http-equiv="Content-Type" content="text/html; charset=gb2312" />
<title>js模拟表单控件效果_武鸣人</title>
<meta name="keywords" content="武鸣人网站,武鸣信息网,武鸣本地网,武鸣信息资源平台,减肥,健身,励志,励志语录,js特效,网页特效,www.wuming.ren">
<meta name="description" content="欢迎来到武鸣人信息资源平台，各种信息免费发布，资源共享合作共赢，分享互联网流行的励志语录经典短句，减肥健身健康小常识及打卡记录，收集各种js特效代码。">
<style type="text/css">
/* ----表单控件CSS开始---- ↓ */
.WellForm *{margin:0;padding:0;}
.WellForm{font-size:12px;font-family:arial;line-height:21px;}
.WellForm pre{float:left;margin-right:10px;}
/*background*/
.WellForm .TextL,.WellForm .TextR,.WellForm .WellText,
.WellForm .SelectL,.WellForm .SelectR,.WellForm .WellSelect,
.WellForm .WellTextArea .T,
.WellForm .WellTextArea .T .TL,
.WellForm .WellTextArea .T .TM,
.WellForm .WellTextArea .B,
.WellForm .WellTextArea .B .BL,
.WellForm .WellTextArea .B .BM,
.WellForm .WellRadio,
.WellForm .WellCheckBox,
.WellForm .ButtonL,.WellForm .ButtonR,.WellForm .WellButton
{background:url(/img/20240220_wuming_ren_46.gif) no-repeat;}
/*WellText*/
.WellForm .TextL,.WellForm .TextR,.WellForm .WellText{float:left;width:5px;height:21px;}
.WellForm .TextL{background-position:0 0;}.WellForm .TextR{background-position:right 0;}
.WellForm .TextLH{background-position:0 -21px;}.WellForm .TextRH{background-position:right -21px;}
.WellForm .WellText{border:0;width:auto;height:17px;padding:2px 0;padding:3px 0 1px\9;*padding:3px 0 1px;font-family:arial;background-repeat:repeat-x;background-position:0 -42px;}
.WellForm .WellTextH{background-position:0 -63px;}
/*WellSelect*/
.WellForm .SelectL,.WellForm .SelectR,.WellForm .WellSelect{float:left;height:21px;}
.WellForm .SelectL{width:3px;background-position:0 -84px;}
.WellForm .SelectR{width:16px;cursor:pointer;background-position:right -84px;margin-right:5px;}
.WellForm .WellSelect{position:relative;cursor:pointer;background-repeat:repeat-x;background-position:0 -105px;}
.WellForm .WellSelect select{display:none;}
.WellForm .WellSelect em{position:absolute;top:0;left:3px;color:#fff;height:21px;display:block;line-height:21px;font-style:normal;}
.WellForm .WellSelect ul{list-style-type:none;position:absolute;top:18px;left:0;z-index:1000;display:none;background:#6C6D70;}
.WellForm .WellSelect ul li {color:#fff;height:20px;cursor:pointer;line-height:20px;padding-left:3px;}
.WellForm .WellSelect ul li.hover{background:#333;}
/*WellTextArea*/
.WellForm .WellTextArea{float:left;}
.WellForm .WellTextArea .T,
.WellForm .WellTextArea .T .TL,
.WellForm .WellTextArea .T .TM,
.WellForm .WellTextArea .B,
.WellForm .WellTextArea .B .BL,
.WellForm .WellTextArea .B .BM
{height:5px;overflow:hidden;}
.WellForm .WellTextArea .T{float:left;width:100%;background-position:right -126px;}
.WellForm .WellTextArea .TH{float:left;width:100%;background-position:right -131px;}
.WellForm .WellTextArea .T .TL{background-position:0 -126px;}
.WellForm .WellTextArea .TH .TL{background-position:0 -131px;}
.WellForm .WellTextArea .T .TM{margin:0 5px;background-repeat:repeat-x;background-position:0 -136px;}
.WellForm .WellTextArea .TH .TM{margin:0 5px;background-repeat:repeat-x;background-position:0 -141px;}
.WellForm .WellTextArea .B{float:left;width:100%;background-position:right -146px;}
.WellForm .WellTextArea .BH{float:left;width:100%;background-position:right -151px;}
.WellForm .WellTextArea .B .BL{background-position:0 -146px;}
.WellForm .WellTextArea .BH .BL{background-position:0 -151px;}
.WellForm .WellTextArea .B .BM{margin:0 5px;background-repeat:repeat-x;background-position:0 -156px;}
.WellForm .WellTextArea .BH .BM{margin:0 5px;background-repeat:repeat-x;background-position:0 -161px;}
.WellForm .WellTextArea .M,
.WellForm .WellTextArea .M .MR
{float:left;background:url(/img/20240220_wuming_ren_47.gif) repeat-y;}
.WellForm .WellTextArea .M{background-position:0 0;}
.WellForm .WellTextArea .M .MR{background-position:right 0;}
.WellForm .WellTextArea .MH,
.WellForm .WellTextArea .MH .MR
{float:left;background:url(/img/20240220_wuming_ren_48.gif) repeat-y;}
.WellForm .WellTextArea .MH{background-position:0 0;}
.WellForm .WellTextArea .MH .MR{background-position:right 0;}
.WellForm .WellTextArea textarea{float:left;border:0;margin:0 5px;overflow:auto;background:url(/img/20240220_wuming_ren_49.gif);font-family:arial;font-size:12px;resize:none;}
/*WellRadio*/
.WellForm .WellRadio{float:left;width:13px;height:13px;cursor:pointer;overflow:hidden;margin:4px 5px 0 0;background-position:-15px -270px;}
.WellForm .WellRadioH{background-position:-15px -284px;}
.WellForm .WellRadio input{margin-top:13px;display:none;}
/*WellCheckBox*/
.WellForm .WellCheckBox{float:left;width:12px;height:12px;cursor:pointer;overflow:hidden;margin:4px 5px 0 0;background-position:0 -270px;}
.WellForm .WellCheckBoxH{background-position:0 -283px;}
.WellForm .WellCheckBox input{margin-top:12px;display:none;}
/*WellButton*/
.WellForm .ButtonL,.WellForm .ButtonR,.WellForm .WellButton{cursor:pointer;float:left;width:5px;height:26px;}
.WellForm .ButtonL{background-position:0 -166px;}.WellForm .ButtonR{background-position:right -166px;margin-right:10px;}
.WellForm .ButtonLH{background-position:0 -192px;}.WellForm .ButtonRH{background-position:right -192px;}
.WellForm .WellButton{border:0;width:auto;font-size:12px;color:#fff!important;height:26px;padding:0 10px 3px;*padding-bottom:0;padding-bottom:0\9;font-family:arial;background-repeat:repeat-x;background-position:0 -218px;}
.WellForm .WellButtonH{background-position:0 -244px;}
/* ----表单控件CSS结束---- ↑ */
form{float:left;padding:20px;border:2px dashed #ccc;margin:20px 0 0 40px;width:380px;}
form .item{float:left;clear:both;width:100%;margin-bottom:10px;}
.WellForm label{float:left;width:4em;height:21px;text-align:right;}
</style>
<script type="text/javascript">
window.onload = function ()
{
var aForm = document.getElementsByTagName("form");
//多个表单
for (var i = 0; i < aForm.length; i++) WellForm(aForm[i]);
};
/*------------------------------------------------- +
可以将以下JS保存为文件, 方便调用
使用方法：WellForm(element) //element 为表单元素
+------------------------------------------------- */
// 获取class
function getClass(sClass, oParent)
{
var aClass = [];
var reClass = new RegExp("(^| )" + sClass + "( |$)");
var aElem = (oParent || document).getElementsByTagName("*");
for (var i = 0; i < aElem.length; i++) reClass.test(aElem[i].className) && aClass.push(aElem[i]);
return aClass
}
// class是否存在
function hasClass(obj, sClass)
{
var reg = new RegExp("(^|\\s)" + sClass + "(\\s|$)");
return reg.test(obj.className)
}
// 添加class
function addClass(obj, sClass)
{
hasClass(obj, sClass) || (obj.className += " "+sClass)
}
// 删除class
function removeClass(obj, sClass)
{
if (hasClass(obj, sClass))
{
var reg = new RegExp("(^|\\s)" + sClass + "(\\s|$)");
obj.className = obj.className.replace(reg, "");
}
}
// 上一个元素
function prevElement(obj)
{
return obj.previousSibling || obj.previousElementSibling || null
}
// 下一个元素
function nextElement(obj)
{
return obj.nextSibling || obj.nextElementSibling || null
}
// 自定义表单函数
function WellForm(form)
{
var i = 0;
var zIndex = 1;
var aInput = form.getElementsByTagName("input");
var aSelect = form.getElementsByTagName("select");
var aTextArea = form.getElementsByTagName("textarea");
form.className = "WellForm";
/* 单行文本框 */
var aText = [];
for (i = 0; i < aInput.length; i++) (aInput[i]["type"] == "text" || aInput[i]["type"] == "password") && aText.push(aInput[i]);
for (i = 0; i < aText.length; i++)
{
var oTextL = document.createElement("div");
var oTextR = document.createElement("div");
oTextL.className = "TextL";
oTextR.className = "TextR";
aText[i].className = "WellText";
aText[i].parentNode.insertBefore(oTextL, aText[i]);
aText[i].parentNode.insertBefore(oTextR, nextElement(aText[i]));
//获取焦点
aText[i].onfocus = function ()
{
addClass(this, "WellTextH");
addClass(prevElement(this), "TextLH");
addClass(nextElement(this), "TextRH")
};
//失去焦点
aText[i].onblur = function ()
{
removeClass(this, "WellTextH");
removeClass(prevElement(this), "TextLH");
removeClass(nextElement(this), "TextRH")
}
}
/* 多行文本框 */
for (i = 0; i < aTextArea.length; i++)
{
var oTextArea = document.createElement("div");
oTextArea.className = "WellTextArea";
//上边框
var oT = document.createElement("div");
var oTL = document.createElement("div");
var oTM = document.createElement("div");
oT.className = "T";
oTL.className = "TL";
oTM.className = "TM";
oTL.appendChild(oTM);
oT.appendChild(oTL);
//中间边框
var oM = document.createElement("div");
var oMR = document.createElement("div");
oM.className = "M";
oMR.className = "MR";
oM.appendChild(oMR);
//下边框
var oB = document.createElement("div");
var oBL = document.createElement("div");
var oBM = document.createElement("div");
oB.className = "B";
oBL.className = "BL";
oBM.className = "BM";
oBL.appendChild(oBM);
oB.appendChild(oBL);
//插入结构
aTextArea[i].parentNode.insertBefore(oTextArea, aTextArea[i]);
oMR.appendChild(aTextArea[i]);
oTextArea.appendChild(oT);
oTextArea.appendChild(oM);
oTextArea.appendChild(oB);
oTextArea.style.width = oMR.offsetWidth + "px";
//获取焦点
aTextArea[i].onfocus = function ()
{
var M = this.parentNode.parentNode;
addClass(M, "MH");
addClass(prevElement(M), "TH");
addClass(nextElement(M), "BH")
};
aTextArea[i].onblur = function ()
{
var M = this.parentNode.parentNode;
removeClass(M, "MH");
removeClass(prevElement(M), "TH");
removeClass(nextElement(M), "BH")
}
}
/* 单选框 */
var aRadio = [];
for (i = 0; i < aInput.length; i++) aInput[i]["type"] == "radio" && aRadio.push(aInput[i]);
for (i = 0; i < aRadio.length; i++)
{
var oRadio = document.createElement("div");
oRadio.className = "WellRadio";
aRadio[i].parentNode.insertBefore(oRadio, aRadio[i]);
oRadio.appendChild(aRadio[i]);
aRadio[i].checked && addClass(aRadio[i].parentNode, "WellRadioH");
oRadio.onclick = function ()
{
var siblings = getClass("WellRadio", this.parentNode);
for (i = 0; i < siblings.length; i++)
{
removeClass(siblings[i], "WellRadioH");
siblings[i].children[0].checked = false;
}
addClass(this, "WellRadioH");
this.children[0].checked = true
}
}
/* 复选框 */
var aCheckBox = [];
for (i = 0; i < aInput.length; i++) aInput[i]["type"] == "checkbox" && aCheckBox.push(aInput[i]);
for (i = 0; i < aCheckBox.length; i++)
{
var oCheckBox = document.createElement("div");
oCheckBox.className = "WellCheckBox";
aCheckBox[i].parentNode.insertBefore(oCheckBox, aCheckBox[i]);
oCheckBox.appendChild(aCheckBox[i]);
aCheckBox[i].checked && addClass(aCheckBox[i].parentNode, "WellCheckBoxH");
oCheckBox.onclick = function ()
{
this.children[0].checked = !this.children[0].checked;
this.children[0].checked ? addClass(this, "WellCheckBoxH") : removeClass(this, "WellCheckBoxH")
}
}
/* 按钮 */
var aButton = [];
for (i = 0; i < aInput.length; i++) (aInput[i]["type"] == "button" || aInput[i]["type"] == "submit") && aButton.push(aInput[i]);
for (i = 0; i < aButton.length; i++)
{
var oBtnL = document.createElement("div");
var oBtnR = document.createElement("div");
oBtnL.className = "ButtonL";
oBtnR.className = "ButtonR";
aButton[i].className = "WellButton";
aButton[i].parentNode.insertBefore(oBtnL, aButton[i]);
aButton[i].parentNode.insertBefore(oBtnR, nextElement(aButton[i]));
//鼠标移入
aButton[i].onmouseover = function ()
{
addClass(this, "WellButtonH");
addClass(prevElement(this), "ButtonLH");
addClass(nextElement(this), "ButtonRH");
};
//鼠标移出
aButton[i].onmouseout = function ()
{
removeClass(this, "WellButtonH");
removeClass(prevElement(this), "ButtonLH");
removeClass(nextElement(this), "ButtonRH");
}
}
/* 下拉菜单 */
for (i = 0; i < aSelect.length; i++)
{
var oFragment = document.createDocumentFragment();
var oSelectL = document.createElement("div");
var oSelectR = document.createElement("div");
var oWellSelect = document.createElement("div");
var oEm = document.createElement("em");
var oUl = document.createElement("ul");
oSelectL.className = "SelectL";
oSelectR.className = "SelectR";
oWellSelect.className = "WellSelect";
//插入结构
aSelect[i].parentNode.insertBefore(oSelectL, aSelect[i]);
aSelect[i].parentNode.insertBefore(oSelectR, nextElement(aSelect[i]));
oUl.style.width = oWellSelect.style.width = aSelect[i].offsetWidth - oSelectR.offsetWidth / 2 + "px";
for (var j = 0; j < aSelect[i].options.length; j++)
{
var oLi = document.createElement("li");
oLi.innerHTML = aSelect[i].options[j].text;
oLi["sValue"] = aSelect[i].options[j].value;
oFragment.appendChild(oLi);
aSelect[i].options[j].selected && (oEm.innerHTML = aSelect[i].options[j].text)
}//武鸣人网站https://www.wuming.ren 网站很好记住，wuming.ren(武鸣拼音.ren域名后缀)
oUl.appendChild(oFragment);
oWellSelect.appendChild(oEm);
oWellSelect.appendChild(oUl);
aSelect[i].parentNode.insertBefore(oWellSelect, aSelect[i]);
oWellSelect.appendChild(aSelect[i]);
oWellSelect.onclick = oSelectR.onclick = function (event)
{
var o = this.getElementsByTagName("ul")[0] || prevElement(this).getElementsByTagName("ul")[0];
var aUl = form.getElementsByTagName("ul");
this.parentNode.style.position = "relative";
this.parentNode.style.zIndex = zIndex++;
o.style.display = o.style.display == "block" ? "none" : "block";
for (i = 0; i < aUl.length; i++)
{
if (o == aUl[i]) continue;
aUl[i].style.display = "none";
}
var aLi = o.getElementsByTagName("li");
for (i = 0; i < aLi.length; i++)
{
aLi[i].onmouseover = function ()
{
this.className = "hover"
};
aLi[i].onmouseout = function ()
{
this.className = ""
};
aLi[i].onclick = function ()
{
prevElement(this.parentNode).innerHTML = this.innerHTML;
nextElement(this.parentNode).value = this.sValue
}
}
(event || window.event).cancelBubble = true;
document.onclick = function ()
{
o.style.display = "none"
}
}
}
}//武鸣人网站https://www.wuming.ren 网站很好记住，wuming.ren(武鸣拼音.ren域名后缀)
</script>
</head>
<body>
<a href="https://www.wuming.ren">武鸣人</a>，各种信息资源免费发布，分享励志语录经典短句，减肥健身常识，各种js特效代码。网站很好记住，wuming.ren(武鸣拼音.ren域名后缀)<hr>
<!--欢迎来到武鸣人信息资源平台，各种信息免费发布，资源共享合作共赢，分享互联网流行的励志语录经典短句，减肥健身健康小常识及打卡记录，收集各种js特效代码。-->
<script type="text/javascript" src="https://www.wuming.ren/ad/tc.js"></script>
<script type="text/javascript" src="https://www.wuming.ren/ad/a.js"></script>
<form>
<div class="item"><label>姓名：</label><input type="text" name="name" /></div>
<div class="item"><label>电话：</label><input type="text" name="tel" /></div>
<div class="item">
<label>性别：</label>
<select name="sex">
<option value="男孩">男孩</option>
<option value="女孩" selected="selected">女孩</option>
<option value="人妖">人妖</option>
</select>
</div>
<div class="item">
<label>生日：</label>
<select name="month">
<option value="1">1月</option>
<option value="2">2月</option>
<option value="3">3月</option>
<option value="4">4月</option>
<option value="5">5月</option>
<option value="6">6月</option>
<option value="7" selected="selected">7月</option>
<option value="8">8月</option>
<option value="9">9月</option>
<option value="10">10月</option>
</select>
<select name="day">
<option value="1">1号</option>
<option value="2">2号</option>
<option value="3">3号</option>
<option value="4">4号</option>
<option value="5">5号</option>
<option value="6" selected="selected">6号</option>
<option value="7">7号</option>
<option value="8">8号</option>
<option value="9">9号</option>
<option value="10">10号</option>
<option value="11">11号</option>
<option value="12">12号</option>
<option value="13">13号</option>
<option value="14">14号</option>
<option value="15">15号</option>
<option value="16">16号</option>
</select>
<select name="year">
<option value="2000">2000年</option>
<option value="2001">2001年</option>
<option value="2002">2002年</option>
<option value="2003">2003年</option>
<option value="2004">2004年</option>
<option value="2005">2005年</option>
<option value="2006">2006年</option>
<option value="2007">2007年</option>
<option value="2008">2008年</option>
<option value="2009">2009年</option>
<option value="2010" selected="selected">2010年</option>
<option value="2011">2011年</option>
<option value="2012">2012年</option>
<option value="2013">2013年</option>
</select>
</div>
<div class="item">
<label>婚姻：</label>
<input type="radio" name="marry" value="已婚" /><pre>已婚</pre>
<input type="radio" name="marry" value="未婚" checked="checked" /><pre>未婚</pre>
</div>
<div class="item">
<label>爱好：</label>
<input type="checkbox" name="like" value="吃饭" /><pre>吃饭</pre>
<input type="checkbox" name="like" value="睡觉" /><pre>睡觉</pre>
<input type="checkbox" name="like" value="上网" checked="checked" /><pre>上网</pre>
<input type="checkbox" name="like" value="打游戏" checked="checked" /><pre>打游戏</pre>
</div>
<div class="item"><label>地址：</label><input type="text" style="width:300px;" name="address" /></div>
<div class="item"><label>备注：</label><textarea cols="50" rows="5" style="width:300px;" name="remark"></textarea></div>
<div class="item"><label>说明：</label><textarea cols="50" rows="5" style="width:300px;" name="desc"></textarea></div>
<div class="item"><label></label><input type="submit" value="提交" /></div>
</form>
<form>
<div class="item"><label>用户名：</label><input type="text" name="username" /></div>
<div class="item"><label>密码：</label><input type="password" name="pwd" /></div>
<div class="item"><label>验证码：</label><input type="text" name="code" style="width:60px;" /></div>
<div class="item"><label></label><input type="submit" value="提交" /></div>
</form>
</body>
</html>