var sloveSortList = []; //解決vue中數(shù)組排序無(wú)限循環(huán)的問(wèn)題 **************************

export default {
data() {
return {
    showSectionList: [], //界面需要顯示的斷面,還沒(méi)有進(jìn)行排序
watch:{

 //列表發(fā)生變化
showSectionList: function(){
//傳遞點(diǎn)位列表數(shù)據(jù)，給父級(jí)reallndex.vue頁(yè)面
this.leftshowSection(this.showSectionList);

//把showSectionList數(shù)組賦值給sloveSortList，如果直接=，相當(dāng)于引用地址，排序的時(shí)候vue監(jiān)聽(tīng)showSectionList會(huì)出現(xiàn)無(wú)限循環(huán)。
sloveSortList = [];
for(var i=0; i < this.showSectionList.length; i++ ){
sloveSortList.push(this.showSectionList[i]);    **************************
}
//把變化了的列表賦值到準(zhǔn)備要排序的sortShowSectionData上
this.sortShowSectionList = this.sortShowSectionData()  **************************

//賦值排好序的數(shù)組，為了搜索使用
this.beforeSearchList = this.sortShowSectionList;
//默認(rèn)選中第一個(gè)斷面?zhèn)鬟f給父組件
this.showSectionClick(0);
}

methods: {
//列表排序方法
sortShowSectionData:function(){
var factorNumber = this.nowFactor.factor_code+ 'Level';
if(this.nowFactor.factor_code == undefined || this.nowFactor.factor_code == 'NaN' || this.nowFactor.factor_code == null){
return
}
//對(duì)列表進(jìn)行了排序
var searchList = sloveSortList.sort((a,b)=>{      **************************
var factorNumber = this.nowFactor.factor_code;
if(parseFloat(a[factorNumber]) > parseFloat(b[factorNumber])){
return -1;
} else if(parseFloat(a[factorNumber]) == parseFloat(b[factorNumber])){
return 0;
}else{
return 1;
}
});

return searchList;
},