CSS作表格虚线
#file.css
#tb_app_list {
border-collapse:collapse;
border:dashed #6AA70B;
border-width:0px 0 0 0px;
width:96%;}
td,th {border:solid #6AA70B;
border:dashed #6AA70B;
border-width:0 0px 1px 0;
font-family: "Verdana,宋体";
font-size: 12px;
color:#008000;
text-align:center;
height:30px;}
效果