watch监听一定要监听:
属性值
,也就是data
值
案例
data () {
return {
language: ''
}
},
methods: {
handleSetLanguage (lang) {
this.$i18n.locale = lang;
this.language = lang;
localStorage.setItem("lang", lang);
}
},
watch: {
language: {
handler (val) {
console.log(val, '改变了');
if (val) {
this.menuList = [{
title: this.$t('navTop.aboutAllianceChain'),
active: true,
},
{
title: this.$t('navTop.metaUniverseMerchantAlliance'),
active: false,
},
{
title: this.$t('navTop.nftTradingPlatform'),
active: false,
},
{
title: this.$t('navTop.projectCommunity'),
active: false,
},
{
title: this.$t('navTop.newsAnnouncement'),
active: false,
},
{
title: this.$t('navTop.buyDag'),
active: false,
},
{
title: this.$t('navTop.purchaseGenesisNode'),
active: false,
},]
}
},
immediate: true // 代表进入页面首先执行
}
},
感觉文章好的话记得点个心心和关注和收藏,有错的地方麻烦指正一下,如果需要转载,请标明出处,多谢!!!