用代码“写”出扫描线效果图片


  我们一般采用photoshop等做图工具制作电视扫描线效果图片:首先做一个黑白相间的图案,然后用这个图案进行填充,再调整图层的模式或者透明度,效果就出来了。

  现在我们不用photoshop,用css和javascript来做,方法也很简单!

  一、准备一张图片,名为photo1.jpg,大小为:240x180;


  二、插入一个表格,表格长x宽设置为240x180,把cellpadding、cellspacing、border均设置为0,并把表格的背景设置为上面的图片,即代码为:

  <table cellpadding="0" cellspacing="0" border="0"
width="240" height="180" background="photo1.jpg">
  </table>

  三、建立一个css样式,把该样式应用于上面的表格,样式代码如下。#000000代表黑色,你也可以换成其他你喜欢的颜色。后面的filter:alpha(opacity=30)是用css滤镜调整细线的透明度。<BR><BR>

  <style>   .tvline td{border-top:1 solid #000000;font:1px;filter:alpha(opacity=30)}   </style>   <b>四、</b>在表格中插入一小段&#106avascript代码:<BR>  <script language="&#106avascript">   for(n=1;n<=90;n )//循环次数为图片高度的一半;     document.write('<tr><td> </div> <p><div align="left"><table border="0" width="auto" cellspacing="0" cellpadding="0"><tr><td colspan="2"><script type="text/javascript" src="/js/left-01.js"></script></td></tr><tr><td><script type="text/javascript" src="/js/left-02.js"></script></td><td><script type="text/javascript" src="/js/left-03.js"></script></td></tr></table></div> </div> </div> <div id="divSide"> <div align="center"><table border="0" width="auto" cellspacing="0" cellpadding="0" bordercolor="#C0C0C0" style="border-collapse: collapse"><tr><td><script type="text/javascript" src="/js/right-01.js"></script></td></tr><tr><td><script type="text/javascript" src="/js/right-02.js"></script></td></tr><tr><td><script type="text/javascript" src="/js/right-03.js"></script></td></tr></table></div><br> <div class="text_1"> &nbsp;&nbsp;&nbsp;&nbsp;<a href="../../"><b>返回首页</b></a> <ul><b>心得体会</b> <li><a href="../../15/">心得体会</a>&nbsp;&nbsp;<a href="../../16/">工作汇报</a>&nbsp;&nbsp;<a href="../../17/">企业文化</a>&nbsp;&nbsp;<a href="../../18/">思想学习</a>&nbsp;&nbsp;<a href="../../19/">经验交流</a></li> </ul><ul><b>演讲致辞</b> <li><a href="../../20/">竞聘演讲</a>&nbsp;&nbsp;<a href="../../21/">征文演讲</a>&nbsp;&nbsp;<a href="../../22/">爱国演讲</a>&nbsp;&nbsp;<a href="../../23/">就职演说</a>&nbsp;&nbsp;<a href="../../24/">开业开幕</a></li> </ul><ul><b>报告总结</b> <li><a href="../../25/">会议发言</a>&nbsp;&nbsp;<a href="../../26/">工作总结</a>&nbsp;&nbsp;<a href="../../27/">述职报告</a>&nbsp;&nbsp;<a href="../../28/">调研报告</a>&nbsp;&nbsp;<a href="../../29/">计划规划</a></li> </ul><ul><b>领导讲话</b> <li><a href="../../30/">宣传动员</a>&nbsp;&nbsp;<a href="../../31/">思想宣传</a>&nbsp;&nbsp;<a href="../../32/">经济工作</a>&nbsp;&nbsp;<a href="../../67/">工作报告</a>&nbsp;&nbsp;<a href="../../33/">组织人事</a>&nbsp;&nbsp;<a href="../../34/">反腐倡廉</a></li> </ul><ul><b>行政论文</b> <li><a href="../../35/">行政管理</a>&nbsp;&nbsp;<a href="../../36/">法律法学</a>&nbsp;&nbsp;<a href="../../37/">文化教育</a>&nbsp;&nbsp;<a href="../../38/">军事论文</a>&nbsp;&nbsp;<a href="../../39/">新闻传媒</a>&nbsp;&nbsp;<a href="../../40/">农园林渔</a></li> </ul><ul><b>学术论文</b> <li><a href="../../41/">文学论文</a>&nbsp;&nbsp;<a href="../../42/">哲学政治</a>&nbsp;&nbsp;<a href="../../43/">医学论文</a>&nbsp;&nbsp;<a href="../../44/">数理化生</a>&nbsp;&nbsp;<a href="../../45/">历史地理</a>&nbsp;&nbsp;<a href="../../46/">艺术体育</a>&nbsp;&nbsp;<a href="../../47/">计算机</a></li> </ul><ul><b>经济论文</b> <li><a href="../../48/">公司企业</a>&nbsp;&nbsp;<a href="../../49/">经济管理</a>&nbsp;&nbsp;<a href="../../50/">电子商务</a>&nbsp;&nbsp;<a href="../../51/">旅游保险</a></li> </ul><ul><b>党建工会</b> <li><a href="../../53/">慰问贺电</a>&nbsp;&nbsp;<a href="../../54/">事迹材料</a>&nbsp;&nbsp;<a href="../../55/">思想汇报</a>&nbsp;&nbsp;<a href="../../56/">入党相关</a>&nbsp;&nbsp;<a href="../../57/">党会发言</a></li> </ul><ul><b>公文写作</b> <li><a href="../../58/">规章制度</a>&nbsp;&nbsp;<a href="../../59/">技巧经验</a>&nbsp;&nbsp;<a href="../../60/">模板范例</a>&nbsp;&nbsp;<a href="../../61/">企划文案</a>&nbsp;&nbsp;<a href="../../66/">商务合同</a>&nbsp;&nbsp;<a href="../../62/">申报材料</a></li> </ul><ul><b>礼仪致辞</b> <li><a href="../../63/">礼仪主持</a>&nbsp;&nbsp;<a href="../../64/">节日庆典</a>&nbsp;&nbsp;<a href="../../65/">活动致辞</a></li> </ul> </div> </div> </div><br> </div> <br><script type="text/javascript" src="/js/news-2.js"></script> </body> </html>