/**
???*?@param?{to}?將要去的路由
???*?@param?{from}?出發(fā)的路由
???*?@param?{next}?執(zhí)行下一步
???*/
??router.beforeEach((to,?from,?next)?=>?{
????var?arr?=?JSON.parse(localStorage.getItem("name"));
????var?query?=?JSON.parse(localStorage.getItem('evalutaionData'));
????//?console.log('舊值',arr);
????if(?!arr?){
??????arr?=?[];
????}
????//?console.log('倒數(shù)第二個(gè)',arr[arr.length-2],to.name);
????if(?arr[arr.length-2]?==?to.name){//to?是上一個(gè)頁(yè)面
??????arr.pop();
??????query.pop();
??????//?console.log(arr);
??????//?console.log(query);
??????//?return?false;
??????//?alert("返回");
??????localStorage.setItem('evalutaionData',JSON.stringify(query));
??????localStorage.setItem("name",?JSON.stringify(arr));
??????next();
??????return?false;
????}
????//?console.log('舊值',query);
????//?console.log('舊值',arr);
????if(?!arr?){
??????arr?=?[];
????}
????if(?!query?){
??????query?=?[];
????}
????if(?query.length?==?0?){
??????query?=?[];
????}
????//?console.log(query);
????//?console.log(arr);
????var?newName?=?to.name;
????var?newQuery?=?to.query;
????//?console.log('從哪里來(lái)',newQuery);
????if(?newName?){
??????arr.push(newName);
??????if(arr.length>=6){
????????arr.shift()
??????}
????}
????if(?newQuery?){
??????query.push(newQuery);
??????if(query.length>=6){
????????query.shift();
??????}
????}
????//?console.log('存志',arr);
????localStorage.setItem('evalutaionData',JSON.stringify(query))
????localStorage.setItem("name",?JSON.stringify(arr));
????//?var?query?=?JSON.parse(window.localStorage.getItem("query"));
????//?//?query?=?[{id:1},{id:2}]
????//?console.log(query);
????//?query.push(from.query);
????//?window.localStorage.setItem("query",?JSON.stringify(query));
????//?window.localStorage.setItem("query",?JSON.stringify(from.query));
????next();
})
