华恩JAVA班第52天

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华恩JAVA班第52天 

BOM例子:


<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0Transitional//EN""http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<htmlxmlns="http://www.w3.org/1999/xhtml">
<head>
<meta http-equiv="Content-Type"content="text/html; charset=gb2312" />
<title>制作树形菜单</title>
<style type="text/css">
body{font-size:13px;
    line-height:20px;
}
a{font-size: 13px;
  color: #000000;
  text-decoration: none;
  }
a:hover{font-size:13px;
      color: #ff0000;
  }
img {
vertical-align: middle;
border:0;
}
.no_circle{list-style:none;
   display:none;
}
</style>
<script type="text/javascript">
function show(d1){
if(document.getElementByIdx_x_x(d1).style.display=='block'){
   document.getElementByIdx_x_x(d1).style.display='none'; //触动的层如果处于显示状态,即隐藏
 }
else{
document.getElementByIdx_x_x(d1).style.display='block'; //触动的层如果处于隐藏状态,即显示
   }
}
</script>
</head>

<body>
<b><imgsrc="images/fold.gif">树形菜单:</b> 
<ul><ahref="javascript:onclick=show('art')"><imgsrc="images/fclose.gif">文学艺术</a></ul>
<ul id="art"class="no_circle">
<li><imgsrc="images/doc.gif">先锋写作</li>
         <li><img src="images/doc.gif">小说散文</li>
          <li><imgsrc="images/doc.gif">诗风词韵</li>
          </ul>
 <ul><ahref="javascript:onclick=show('photo')"><imgsrc="images/fclose.gif">贴图专区</a></ul>
<ul id="photo" class="no_circle">
<li><imgsrc="images/doc.gif">真我风采</li>
         <li><img src="images/doc.gif">视频贴图</li>
          <li><imgsrc="images/doc.gif">行行摄摄</li>
          <li><imgsrc="images/doc.gif">Flash贴图</li>
          </ul>
<ul><ahref="javascript:onclick=show('home')"><imgsrc="images/fclose.gif">房产论坛</a></ul>
<ul id="home" class="no_circle">
<li><imgsrc="images/doc.gif">我要买房</li>
         <li><img src="images/doc.gif">楼市话题</li>
          <li><imgsrc="images/doc.gif">我要卖房</li>
          <li><imgsrc="images/doc.gif">租房心语</li>
          <li><imgsrc="images/doc.gif">二手市场</li>
          </ul>
<ul><ahref="javascript:onclick=show('game')"><imgsrc="images/fclose.gif">娱乐八卦</a></ul>
<ul id="game" class="no_circle">
<li><imgsrc="images/doc.gif">红楼一梦</li>
         <li><img src="images/doc.gif">笑话论坛</li>
          <li><imgsrc="images/doc.gif">休闲生活</li>
          <li><imgsrc="images/doc.gif">大话春秋</li>
          </ul>
</body>
</html>


<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0Transitional//EN""http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<htmlxmlns="http://www.w3.org/1999/xhtml">
<head>
<meta http-equiv="Content-Type"content="text/html; charset=gb2312" />
<title>TAB切换效果</title>
<scripttype="text/javascript">
function change(ss){
if(ss=="top1"){
document.getElementByIdx_x("left1").style.display="block";
document.getElementByIdx_x("left2").style.display="none";
document.getElementByIdx_x("right1").style.display="block";
document.getElementByIdx_x("right2").style.display="none";
document.getElementByIdx_x("end1").style.display="block";
document.getElementByIdx_x("end2").style.display="none";
}
else{
document.getElementByIdx_x("left1").style.display="none";
document.getElementByIdx_x("left2").style.display="block";
document.getElementByIdx_x("right1").style.display="none";
document.getElementByIdx_x("right2").style.display="block";
document.getElementByIdx_x("end1").style.display="none";
document.getElementByIdx_x("end2").style.display="block";
}
}
</script>
<style type="text/css">
img{border:0;}
</style>
</head>

<body>
<table border="1" cellspacing="0"cellpadding="0">
  <tr>
   <td><imgsrc="images/left1.jpg" alt="笔记本"id="left1"/><imgsrc="images/left2.jpg" alt="笔记本" id="left2"onmouseover="change('top1')"style="display:none;"/></td>
    <td><imgsrc="images/right1.jpg" alt="手机充值" id="right1"onmouseover="change('top2')"/><imgsrc="images/right2.jpg" alt="手机充值" id="right2"style="display:none;"/></td>
  </tr>
  <tr>
    <tdcolspan="2"><imgsrc="images/end1.jpg" alt="笔记本" id="end1"/><img src="images/end2.jpg"alt="手机充值" id="end2"style="display:none;"/></td>
  </tr>
</table>

</body>
</html>


<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0Transitional//EN""http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<htmlxmlns="http://www.w3.org/1999/xhtml">
<head>
<meta http-equiv="Content-Type"content="text/html; charset=gb2312" />
<title>全选/全不选效果</title>
<style type="text/css">
.bg{
background-image: url(images/list_bg.gif);
background-repeat: no-repeat;
width: 730px;
}
td{text-align:center;
font-size:13px;
line-height:25px;
}
body{margin:0}
</style>
 <scripttype="text/JavaScript">
  function check(){
  varoInput=document.getElementsByName("product");
  for (vari=0;i<oInput.length;i++){
  if(document.getElementByIdx_x("all").checked==true){
  oInput[i].checked=true;
  }
  else {
  oInput[i].checked=false;
  }
  }
  }
 </script>
</head>

<body><tableborder="1" cellspacing="0" cellpadding="0"class="bg">
 <form action=""method="post">
  <tr>
    <tdstyle="height:40px;">&nbsp;</td>
   <td>&nbsp;</td>
   <td>&nbsp;</td>
   <td>&nbsp;</td>
  </tr>
  <trstyle="font-weight:bold;">
   <td><input id="all"type="checkbox" value="全选" onclick="check();"/>全选</td>
   <td>商品图片</td>
   <td>商品名称/出售者/联系方式</td>
   <td>价格</td>
  </tr>
  <tr>
<tdcolspan="4"><hr style="border:1px #CCCCCC dashed"/></td>
   </tr>
  
  <tr>
   <td><inputname="product" type="checkbox" value="1"/></td>
   <td><imgsrc="images/list0.jpg" alt="alt"/></td>
   <td>杜比环绕,家庭影院必备,超真实享受<br/>
   出售者:ling112233<br />
    <imgsrc="images/online_pic.gif" alt="alt" />&nbsp;&nbsp;
<img src="images/list_tool_fav1.gif" alt="alt"/> 收藏</td>
   <td>一口价<br/>
    2833.0</td>
  </tr>
  <tr>
<tdcolspan="4"><hr style="border:1px #CCCCCC dashed"/></td>
   </tr>
  <tr>
   <td><inputname="product" type="checkbox" value="2"/></td>
   <td><imgsrc="images/list1.jpg" alt="alt"/></td>
   <td>NVDIA 9999GT 512MB256bit极品显卡,不容错过<br />
     出售者:aipiaopiao110 <br />
    <imgsrc="images/online_pic.gif" alt="alt" />&nbsp;&nbsp;
<img src="images/list_tool_fav1.gif" alt="alt"/> 收藏</td>
   <td>一口价<br/>
    6464.0</td>
  </tr>
  <tr>
<tdcolspan="4"><hr style="border:1px #CCCCCC dashed"/></td>
   </tr>
  <tr>
   <td><inputname="product" type="checkbox" value="3"/></td>
   <td><imgsrc="images/list2.jpg" alt="alt"/></td>
   <td>精品热卖:高清晰,30寸等离子电视<br/>
     出售者:阳光的挣扎 <br />
    <imgsrc="images/online_pic.gif" alt="alt" />&nbsp;&nbsp;
<img src="images/list_tool_fav1.gif" alt="alt"/> 收藏</td>
   <td>一口价<br/>
    18888.0</td>
  </tr>
  <tr>
<tdcolspan="4"><hr style="border:1px #CCCCCC dashed"/></td>
   </tr>
  <tr>
   <td><inputname="product" type="checkbox" value="4"/></td>
   <td><imgsrc="images/list3.jpg" alt="alt"/></td>
   <td>Sony索尼家用最新款笔记本 <br/>
     出售者:疯狂的镜无<br />
    <imgsrc="images/online_pic.gif" alt="alt" />&nbsp;&nbsp;
<img src="images/list_tool_fav1.gif" alt="alt"/> 收藏</td>
   <td>一口价<br/>
     5889.0</td>
  </tr>
  <tr>
<tdcolspan="4"><hr style="border:1px #CCCCCC dashed"/></td>
   </tr>
   </form>
</table>

</body>
</html>


更多信息可以参见同学富晓磊的博客:http://blog.sina.com.cn/u/1798827371