为什么我用editplus编辑时候没办法添加下载资料里边的背景照片文件
<!doctype html>
<html>
<head>
<meta charset="UTF-8">
<meta name="Generator" content="EditPlus®">
<meta name="Author" content="">
<meta name="Keywords" content="">
<meta name="Description" content="">
<title>Document</title>
<style type="text/css">
body{margin:0;padding:0;}
.content{border:4px solid #99ccff;background:#9999cc;}
.book{background:<img src="E:/HTML/资料文件/网页布局基础/case2/images/t_book.gif" width="770" height="34">;}
img{margin:10px 18px;border:2px solid #99ccff;}
</style>
</head>
<body>
<div>
<img src="E:/HTML/资料文件/网页布局基础/case2/images/book1.jpg" width="80" height="80">
<img src="E:/HTML/资料文件/网页布局基础/case2/images/book2.jpg" width="80" height="80">
<img src="E:/HTML/资料文件/网页布局基础/case2/images/book3.jpg" width="80" height="80">
<img src="E:/HTML/资料文件/网页布局基础/case2/images/book4.jpg" width="80" height="80">
<img src="E:/HTML/资料文件/网页布局基础/case2/images/book5.jpg" width="80" height="80">
<img src="E:/HTML/资料文件/网页布局基础/case2/images/book6.jpg" width="80" height="80">
</div>
</body>
</html>
大神们看看，在style type里边没办法添加跟讲课内容一样引用URL（xxx）的形式。。。所以照片没办法添加~~咋回事啊
