滚动条是给BODY 定义的样式
可以给要iframe的文件加一个样式
<style type="text/css">
body{scrollbar-face-color: #DEE3E7;scrollbar-highlight-color: #FFFFFF;scrollbar-shadow-color: #DEE3E7;scrollbar-3dlight-color: #D1D7DC;scrollbar-arrow-color:  #006699;scrollbar-track-color: #EFEFEF;scrollbar-darkshadow-color: #98AAB1;}
</style>

解决方案 »

  1.   

    --index.html--<iframe src=a.html></iframe>
    ----a.html---
    <html>
    <style type="text/css">
    body{scrollbar-face-color: #DEE3E7;scrollbar-highlight-color: #FFFFFF;scrollbar-shadow-color: #DEE3E7;scrollbar-3dlight-color: #D1D7DC;scrollbar-arrow-color:  #006699;scrollbar-track-color: #EFEFEF;scrollbar-darkshadow-color: #98AAB1;}
    </style>
    <body></body>
    </html>
      

  2.   

    <style type="text/css">
    div{FONT-FAMILY: "宋体"; FONT-SIZE: 12px;
    SCROLLBAR-HIGHLIGHT-COLOR: #FFFFFF;
    SCROLLBAR-SHADOW-COLOR: #8C9EB7;
    SCROLLBAR-3DLIGHT-COLOR: #B0C4D8;
    SCROLLBAR-TRACK-COLOR: ;
    SCROLLBAR-DARKSHADOW-COLOR: #000000;
    scrollbar-Base-Color: #C1D7F4;
    Color:#000000;
    }
    <div style=" width:100%; height:100%;overflow:auto ">
    </style>
      

  3.   

    <head>
    <style type="text/css">
    div{FONT-FAMILY: "宋体"; FONT-SIZE: 12px;
    SCROLLBAR-HIGHLIGHT-COLOR: #FFFFFF;
    SCROLLBAR-SHADOW-COLOR: #8C9EB7;
    SCROLLBAR-3DLIGHT-COLOR: #B0C4D8;
    SCROLLBAR-TRACK-COLOR: ;
    SCROLLBAR-DARKSHADOW-COLOR: #000000;
    scrollbar-Base-Color: #C1D7F4;
    Color:#000000;
    }
    </head>
    </style>
    <body>
    <div style=" width:100%; height:100%;overflow:auto "></div>
    </body>
      

  4.   

    可以给iframe包含页面设定滚动条颜色阿