如何在固定标题的表格中添加滚动条？

Question

有人可以帮我调整表格内的滚动条，使用固定的标题吗？

table a:link {
	color: #666;
	font-weight: bold;
	text-decoration:none;
}
table a:visited {
	color: #999999;
	font-weight:bold;
	text-decoration:none;
}
table a:active,
table a:hover {
	color: #bd5a35;
	text-decoration:underline;
}
table {
	font-family:Arial, Helvetica, sans-serif;
	color:#666;
	font-size:12px;
	text-shadow: 1px 1px 0px #fff;
	background:#eaebec;
	margin:20px;
	border:#ccc 1px solid;

	-moz-border-radius:3px;
	-webkit-border-radius:3px;
	border-radius:3px;

	-moz-box-shadow: 0 1px 2px #d1d1d1;
	-webkit-box-shadow: 0 1px 2px #d1d1d1;
	box-shadow: 0 1px 2px #d1d1d1;
}
table th {
	padding:21px 25px 22px 25px;
	border-top:1px solid #fafafa;
	border-bottom:1px solid #e0e0e0;

	background: #ededed;
	background: -webkit-gradient(linear, left top, left bottom, from(#ededed), to(#ebebeb));
	background: -moz-linear-gradient(top,  #ededed,  #ebebeb);
}
table th:first-child {
	text-align: left;
	padding-left:20px;
}
table tr:first-child th:first-child {
	-moz-border-radius-topleft:3px;
	-webkit-border-top-left-radius:3px;
	border-top-left-radius:3px;
}
table tr:first-child th:last-child {
	-moz-border-radius-topright:3px;
	-webkit-border-top-right-radius:3px;
	border-top-right-radius:3px;
}
table tr {
	text-align: center;
	padding-left:20px;
}
table td:first-child {
	text-align: left;
	padding-left:20px;
	border-left: 0;
}
table td {
	padding:18px;
	border-top: 1px solid #ffffff;
	border-bottom:1px solid #e0e0e0;
	border-left: 1px solid #e0e0e0;

	background: #fafafa;
	background: -webkit-gradient(linear, left top, left bottom, from(#fbfbfb), to(#fafafa));
	background: -moz-linear-gradient(top,  #fbfbfb,  #fafafa);
}
table tr.even td {
	background: #f6f6f6;
	background: -webkit-gradient(linear, left top, left bottom, from(#f8f8f8), to(#f6f6f6));
	background: -moz-linear-gradient(top,  #f8f8f8,  #f6f6f6);
}
table tr:last-child td {
	border-bottom:0;
}
table tr:last-child td:first-child {
	-moz-border-radius-bottomleft:3px;
	-webkit-border-bottom-left-radius:3px;
	border-bottom-left-radius:3px;
}
table tr:last-child td:last-child {
	-moz-border-radius-bottomright:3px;
	-webkit-border-bottom-right-radius:3px;
	border-bottom-right-radius:3px;
}
table tr:hover td {
	background: #f2f2f2;
	background: -webkit-gradient(linear, left top, left bottom, from(#f2f2f2), to(#f0f0f0));
	background: -moz-linear-gradient(top,  #f2f2f2,  #f0f0f0);	
}

<div class="tablecontainer">
  <div class="table" >
    <table cellspacing='0'>
      <thead>
        <tr>
          <th>Tutor Name </th>
          <th>Tutor NRIC</th>
         
          <th>Tutor Email</th>
          <th>Tutor qualification</th>
        </tr>
        
      </thead>
      <tbody>
        <tr>
          <td>Jane</td> 
          <td>1234567</td>
          <td>Jane@gmail.com</td>
          <td>Diploma</td>
        </tr>
        <tr>
          <td>John</td>
           <td>1234567</td>
          <td>jphn@gmail.com</td>
          <td>Diploma</td>
        </tr>
          
      </tbody>
    </table>
  </div>
</div>

Answer 1

您的tbody必须有高度和溢出规则才能激活滚动条。同时，您的thead必须定位

.wrap-scroll thead {
    position: absolute;
    left: 0;
    top: 0;
    width: 100%;
}

.wrap-scroll {
   height: 106px;
   overflow-y: auto;
}

请参阅我的DEMO