index.js
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import pageInit from "../../../minixs/pageInit.js";
import {maintenance} from "../../../../assets/img/data/serviceSecond.js";
export default {
name: 'maintenance',
template: '',
mixins:[pageInit],
components: {},
props: [],
setup(props, {attrs, slots, emit}) {
let maintenanceData=maintenance();
//页签高亮显示
let tabActive=Vue.ref(0);
//特点hover显示的图片
let characterImg=Vue.ref();
let setcharacter=()=>{
if(maintenanceData.data && maintenanceData.data.length>0){
maintenanceData.data.map(item=>{
if(item.type=='character'){
characterImg.value=item.dataFour[0].img;
}
})
}
}
setcharacter();
//优势hover高亮显示
let characterActive=Vue.ref(0);
//页签点击跳转到对应的目标
let goItemType=(type)=>{
let top=$("[data-type='"+type+"']").offset().top;
let total=top-100;
let distance = document.documentElement.scrollTop || document.body.scrollTop
//计算每一小段的距离
let step=total/6;
(function smoothDown (){
if(distance < total){
distance += step;
//移动一小段
document.body.scrollTop =distance;
document.documentElement.scrollTop = distance;
//设定每一次跳到的时间间隔为10ms
setTimeout(smoothDown,10)
}else{
//限制股东停止的距离
document.body.scrollTop = total;
document.documentElement.scrollTop = total;
}
})()
}
//特点的事件
let prev=(dataLength)=>{
if(characterActive.value>0){
characterActive.value--
if(characterActive.value == 0 || characterActive.value+1==dataLength-6){
setDisplay();
}else if(characterActive.value+1==dataLength-3 ){
changeDot(dataLength,2);
}
}else if(characterActive.value == 0){
characterActive.value=dataLength-1
changeDot(dataLength,1);
}
}
let next=(dataLength)=>{
if((characterActive.value+1)!=dataLength) {
characterActive.value++
}else{
characterActive.value=0;
}
changeDot(dataLength);
}
let changeCharacter=(indexC)=>{
characterActive.value=indexC;
}
//特点左右点击切换
let changeDot=(dataLength,flag)=>{
if(flag==1){
//当前为第一个时向前点击
maintenanceData.data.map((item,index)=>{
if(item.type == 'character'){
item.dataFour.map((v,i)=>{
if(i>characterActive.value-3){
v.isDisplay=true;
}else{
v.isDisplay=false;
}
})
}
})
}else if(flag==2){
//向前点击
maintenanceData.data.map((item,index)=>{
if(item.type == 'character'){
item.dataFour.map((v,i)=>{
if(i>characterActive.value-3 && i<=characterActive.value){
v.isDisplay=true;
}else{
v.isDisplay=false;
}
})
}
})
}else{
if(characterActive.value>2 && characterActive.value<dataLength){
if(maintenanceData.data && maintenanceData.data.length>0){
maintenanceData.data.map((item,index)=>{
if(item.type == 'character'){
if(characterActive.value>2 && characterActive.value<6){
item.dataFour.map((v,i)=>{
if(i>2 && i<6){
v.isDisplay=true;
}else{
v.isDisplay=false;
}
})
}else{
item.dataFour.map((v,i)=>{
if(i>=dataLength-3){
v.isDisplay=true;
}else{
v.isDisplay=false;
}
})
}
}
})
}
}else{
setDisplay();
}
}
}
//设置特点dot全部显示
let setDisplay=(flag)=>{
if(maintenanceData.data && maintenanceData.data.length>0){
if(flag==1){
}else{
maintenanceData.data.map((item,index)=>{
if(item.type == 'character'){
item.dataFour.map(v=>{
v.isDisplay=true;
})
}
})
}
}
}
// 挂载完
Vue.onMounted(() => {
})
return {
characterImg,
maintenanceData,
tabActive,
characterActive,
setcharacter,
goItemType,
prev,
next,
changeCharacter,
changeDot,
setDisplay
}
}
}