純css實(shí)現(xiàn)樹形結(jié)構(gòu)

yuxue 發(fā)布于2019-08-29 14:07 / 1086人閱讀

摘要：純實(shí)現(xiàn)屬性結(jié)構(gòu)實(shí)現(xiàn)屬性結(jié)構(gòu)的思路是利用偽類實(shí)現(xiàn)樹形結(jié)構(gòu)連接線，如果想實(shí)現(xiàn)點(diǎn)擊展開和收縮以及復(fù)選框效果還得配合來實(shí)現(xiàn)。其實(shí)展開和收縮就是一個(gè)點(diǎn)擊元素其子元素隱藏和顯示的切換。效果圖結(jié)構(gòu)級(jí)菜單級(jí)菜單級(jí)菜單級(jí)菜單級(jí)菜單級(jí)菜單級(jí)菜單級(jí)菜單

純css實(shí)現(xiàn)屬性結(jié)構(gòu)

**css實(shí)現(xiàn)屬性結(jié)構(gòu)的思路是利用偽類實(shí)現(xiàn)樹形結(jié)構(gòu)連接線，如果想實(shí)現(xiàn)點(diǎn)擊展開和收
縮以及復(fù)選框效果還得配合js來實(shí)現(xiàn)。其實(shí)展開和收縮就是一個(gè)點(diǎn)擊元素其子元素隱藏
和顯示的切換。**

效果圖

html結(jié)構(gòu)

css

        ul.domtree,
        ul.domtree ul {
            margin: 0;
            padding: 0 0 0 2em;
        }

        ul.domtree li {
            list-style: none;
            position: relative;
        }

        ul.domtree>li:first-child:before {
            border-style: none none solid none;
        }

        ul.domtree li:before {
            position: absolute;
            content: "";
            top: -0.01em;
            left: -0.7em;
            width: 0.5em;
            height: 0.615em;
            border-style: none none solid solid;
            border-width: 0.05em;
            border-color: #aaa;
        }

        ul.domtree li:not(:last-child):after {
            position: absolute;
            content: "";
            top: 0.7em;
            left: -0.7em;
            bottom: 0;
            border-style: none none none solid;
            border-width: 0.05em;
            border-color: #aaa;
        }