" />
& lt!DOCTYPE?HTML & gt
& lthtml & gt
& lthead & gt
& ltmeta?/bootstrap/3 . 3 . 0/CSS/bootstrap . min . CSS " & gt;
& lt風格?type="text/css " >
。下拉子菜單?{
位置:?相對的;
}
。下拉子菜單?& gt?。下拉菜單?{
top:?0;
左:?100%;
頁邊距-頂部:?-6px;
左邊距:?-1px;
-webkit-border-radius:?0?6px?6px?6px
-moz-border-radius:?0?6px?6px
邊框半徑:?0?6px?6px?6px
}
。下拉子菜單:懸停?& gt?。下拉菜單?{
顯示:?屏蔽;
}
。下拉子菜單?& gt?甲:之後?{
顯示:?屏蔽;
內容:?"?";
浮動:?對;
寬度:?0;
身高:?0;
邊框顏色:?透明;
邊框樣式:?固體;
邊框寬度:?5px?0?5px?5px
邊框-左側-顏色:?# ccc
頁邊距-頂部:?5px
右邊距:?-10px;
}
。下拉子菜單:懸停?& gt?甲:之後?{
邊框-左側-顏色:?# fff
}
。下拉子菜單。向左拉?{
浮動:?無;
}
。下拉子菜單。向左拉?& gt?。下拉菜單?{
左:?-100%;
左邊距:?10px;
-webkit-border-radius:?6px?0?6px?6px
-moz-border-radius:?6px?0?6px?6px
邊框半徑:?6px?0?6px?6px
}
& lt/style & gt;
& lt/head & gt;
& ltbody & gt
& ltdiv?class="container " >
& ltdiv?class="row " >
& lth2 & gt自舉?3多級下拉菜單
& lthr & gt
& ltdiv?class="dropdown " >
& lt答?id="dLabel "?role="button "?data-toggle="dropdown "?class="btn?btn-primary”?數據目標="# "
href = " JavaScript:;"& gt
下拉多級菜單?& lt跨度?class="caret " >& lt/span>。
& lt/a & gt;
& ltul?class= "下拉菜單?多層次”?role="menu "?aria-labelledby = " drop down menu " & gt。
& lt李& gt& lt答?href = " JavaScript:;"& gt壹級菜單
& lt李& gt& lt答?href = " JavaScript:;"& gt壹級菜單
& lt李?class="divider " >& lt/李& gt
& lt李?class="dropdown-submenu " >
& lt答?tabindex="-1 "?href = " JavaScript:;"& gt壹級菜單
& ltul?class="dropdown-menu " >
& lt李& gt& lt答?tabindex="-1 "?href = " JavaScript:;"& gt次級菜單
& lt李?class="divider " >& lt/李& gt
& lt李?class="dropdown-submenu " >
& lt答?href = " JavaScript:;"& gt次級菜單
& ltul?class="dropdown-menu " >
& lt李& gt& lt答?href = " JavaScript:;"& gt三級菜單
& lt/ul & gt;
& lt/李& gt
& lt/ul & gt;
& lt/李& gt
& lt/ul & gt;
& lt/div & gt;
& lt/div & gt;
& lt/div & gt;
& lt劇本?src = "/jquery/1.11.1/jquery . min . js " & gt;& lt/script & gt;
& lt劇本?src = "/bootstrap/3 . 3 . 0/js/bootstrap . min . js " & gt;& lt/script & gt;
& lt/body & gt;
& lt/html & gt;