实现简单的竖向tab
项目中需要用到竖版的Tab，但是用的框架没有合适的，所以没办法，只能自己写了，希望能帮助到其他人。写的比较简单，只符合自己使用的效果，大神勿喷。效果是这种的：标签数量很多，超出部分可以点击上下的icon切换滚动，用的是vue和iviewUI的icon实现的template>div class="tabWrap">divclass="tabNav
·
项目中需要用到竖版的Tab，但是用的框架没有合适的，所以没办法，只能自己写了，希望能帮助到其他人。写的比较简单，只符合自己使用的效果，大神勿喷。
效果是这种的：标签数量很多，超出部分可以点击上下的icon切换滚动，用的是vue和iviewUI的icon实现的
<
template
>
<
div
class=
"tabWrap"
>
<
div
class=
"tabNav"
>
<
span
class=
"iconClass"
>
<
Icon
type=
"chevron-up"
@click.native="
upTab"
></
Icon
>
</
span
>
<
div
id=
"tabBar"
>
<
ul
id=
"tabUl"
>
<
li
:class="[{
activeTab:index ===
tabIndex},
'tabLi']"
v-for="(
item,
index)
in
tabList"
:key="
index"
@click="
changeTab(
index)"
>{{
item.
label}}
</
li
>
</
ul
>
</
div
>
<
span
class=
"iconClass"
>
<
Icon
type=
"chevron-down"
@click.native="
downTab"
></
Icon
>
</
span
>
</
div
>
<
div
class=
"tabContent"
>
<
div v-if="tabIndex === 0"
>content内容
</
div
>
</
div
>
</
div
>
</
div
>
</
template
>
<
script
>
watch: {
tabIndex:
function (
newVal) {
this.
imgShow =
0
let
scrollNav =
document.
getElementById(
'tabUl')
let
tabBar =
document.
getElementById(
'tabBar')
let
transformHeight =
scrollNav.
scrollHeight -
tabBar.
clientHeight
if (
Number(
newVal) >=
3) {
this.
$nextTick(
function () {
scrollNav.
style.
transform =
`translateY(-
${
transformHeight
}
px)`
})
}
else {
this.
$nextTick(
function () {
scrollNav.
style.
transform =
'translateY(0px)'
})
}
}
},
data () {
return {
tabIndex:
0,
tabList: [
{
label:
'tab1'},
],
}
},
methods: {
// 更改tab页签
changeTab (
index) {
this.
tabIndex =
index
this.
$store.
state.
proofActiveName =
this.
tabIndex
this.
imgShow =
0
},
// 调整Tab滚动
upTab () {
let
scrollNav =
document.
getElementById(
'tabUl')
this.
$nextTick(
function () {
scrollNav.
style.
transform =
'translateY(0px)'
})
},
downTab () {
let
scrollNav =
document.
getElementById(
'tabUl')
let
tabBar =
document.
getElementById(
'tabBar')
let
transformHeight =
scrollNav.
scrollHeight -
tabBar.
clientHeight
this.
$nextTick(
function () {
scrollNav.
style.
transform =
`translateY(-
${
transformHeight
}
px)`
})
}
}
</
script
>
<
style
lang=
"less"
>
.tabWrap{
width:
100%;
height:
100%;
.tabNav{
width:
40px;
height:
100%;
float:
left;
#tabBar{
height:
e(
"calc(100% - 60px)");
overflow:
hidden;
z-index:
-1;
#tabUl{
width:
34px;
margin-left:
6px;
border-right:
1px
solid
#dddee1;
transition: -webkit-transform
.5s
ease-in-out;
transition: transform
.5s
ease-in-out;
.tabLi{
width:
100%;
font-size:
14px;
writing-mode:
vertical-lr;
padding:
14px
0
14px
5px;
cursor:
pointer;
border:
1px
solid
#dddee1;
border-right:
0;
margin-bottom:
5px;
border-radius:
5px
0
0
6px;
text-align:
center;
vertical-align:
middle;
background:
#f8f8f9;
}
.tabLi:hover{
color:
#2d8cf0;
}
.activeTab{
color:
#2d8cf0;
background:
#ffffff;
width:
36px;
z-index:
100;
}
}
}
.iconClass{
display:
inline-block;
height:
30px;
margin-left:
8px;
cursor:
pointer;
text-align:
center;
line-height:
30px;
width:
e(
"calc(100% - 10px)");
}
}
.tabContent{
float:
left;
background:
#fff;
width:
e(
"calc(100% - 41px)");
height:
100%;
overflow:
auto;
}
}
</
style
>
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