1. html中只有竖直滚动条
1 { 2 overflow-y:scroll; 3 overflow-x:hidden; 4 }
或者：
<body scroll="no" style="overflow-x:hidden">
2. 没有垂直滚动条1 { 2 overflow-y:hidden; 3 overflow-x:scroll; 4 }
或者：
<body scroll="no" style="overflow-y:hidden">
3.没有滚动条
{
overflow:hidden;
}
或者：
<body scroll="no" style="overflow-x:hidden;overflow-y:hidden">
或
<body scroll="no" style="overflow:hidden">