.table{width:100%;overflow-x: scroll;background-color:#7c95b5;}
.fixedTable{width:160%;text-align: center;color:#fff;font-size:14px; border-collapse:collapse;}
.fixedTable tr{line-height: 30px;border:1px solid #fff;}
.fixedTable tr:first-child{height:40px;line-height: 40px;background-color:cadetblue;}
.fixedTable td:first-child{position:absolute;width:105px;background-color:cadetblue;border:1px solid #fff;margin:-1px 0px 0px -1px;}
.fixedColumn{width:99px;}
<html>
<head>
<meta name="viewport" content="width=device-width,height=device-height,initial-scale=1.0,user-scalable=no">
<meta charset="utf-8">
<title>使用css固定table第一列title>
<link href="css/table.css" rel="stylesheet"/>
head>
<body>
<div class="table">
<table class="fixedTable" border="1">
<tr><td>固定列td><td class="fixedColumn">td><td>第一列td><td>第二列td><td>第三列td><td>第四列td><td>第五列td><td>第六列td><td>第七列td>tr>
<tr><td>固定列td><td class="fixedColumn">td><td>1td><td>2td><td>3td><td>4td><td>5td><td>6td><td>7td>tr>
<tr><td>固定列td><td class="fixedColumn">td><td>1td><td>2td><td>3td><td>4td><td>5td><td>6td><td>7td>tr>
<tr><td>固定列td><td class="fixedColumn">td><td>1td><td>2td><td>3td><td>4td><td>5td><td>6td><td>7td>tr>
<tr><td>固定列td><td class="fixedColumn">td><td>1td><td>2td><td>3td><td>4td><td>5td><td>6td><td>7td>tr>
<tr><td>固定列td><td class="fixedColumn">td><td>1td><td>2td><td>3td><td>4td><td>5td><td>6td><td>7td>tr>
<tr><td>固定列td><td class="fixedColumn">td><td>1td><td>2td><td>3td><td>4td><td>5td><td>6td><td>7td>tr>
<tr><td>固定列td><td class="fixedColumn">td><td>1td><td>2td><td>3td><td>4td><td>5td><td>6td><td>7td>tr>
<tr><td>固定列td><td class="fixedColumn">td><td>1td><td>2td><td>3td><td>4td><td>5td><td>6td><td>7td>tr>
<tr><td>固定列td><td class="fixedColumn">td><td>1td><td>2td><td>3td><td>4td><td>5td><td>6td><td>7td>tr>
<tr><td>固定列td><td class="fixedColumn">td><td>1td><td>2td><td>3td><td>4td><td>5td><td>6td><td>7td>tr>
<tr><td>固定列td><td class="fixedColumn">td><td>1td><td>2td><td>3td><td>4td><td>5td><td>6td><td>7td>tr>
<tr><td>固定列td><td class="fixedColumn">td><td>1td><td>2td><td>3td><td>4td><td>5td><td>6td><td>7td>tr>
<tr><td>固定列td><td class="fixedColumn">td><td>1td><td>2td><td>3td><td>4td><td>5td><td>6td><td>7td>tr>
<tr><td>固定列td><td class="fixedColumn">td><td>1td><td>2td><td>3td><td>4td><td>5td><td>6td><td>7td>tr>
<tr><td>固定列td><td class="fixedColumn">td><td>1td><td>2td><td>3td><td>4td><td>5td><td>6td><td>7td>tr>
<tr><td>固定列td><td class="fixedColumn">td><td>1td><td>2td><td>3td><td>4td><td>5td><td>6td><td>7td>tr>
<tr><td>固定列td><td class="fixedColumn">td><td>1td><td>2td><td>3td><td>4td><td>5td><td>6td><td>7td>tr>
<tr><td>固定列td><td class="fixedColumn">td><td>1td><td>2td><td>3td><td>4td><td>5td><td>6td><td>7td>tr>
<tr><td>固定列td><td class="fixedColumn">td><td>1td><td>2td><td>3td><td>4td><td>5td><td>6td><td>7td>tr>
<tr><td>固定列td><td class="fixedColumn">td><td>1td><td>2td><td>3td><td>4td><td>5td><td>6td><td>7td>tr>
<tr><td>固定列td><td class="fixedColumn">td><td>1td><td>2td><td>3td><td>4td><td>5td><td>6td><td>7td>tr>
<tr><td>固定列td><td class="fixedColumn">td><td>1td><td>2td><td>3td><td>4td><td>5td><td>6td><td>7td>tr>
<tr><td>固定列td><td class="fixedColumn">td><td>1td><td>2td><td>3td><td>4td><td>5td><td>6td><td>7td>tr>
<tr><td>固定列td><td class="fixedColumn">td><td>1td><td>2td><td>3td><td>4