fix：解决切换语言，刷新页面或切换页面，语言选择被重置，不是选择的语言。以及picker选择框的确认取消按钮多语言不跟随系统问题

src/pages/login/login.vue

@@ -196,12 +196,17 @@ export default {
     this.watchWork()
     this.Country()
     this.getLeviteData()
+    this.showLangView()
     //#ifdef APP-PLUS
     this.getVersion()
     this.getVeData()
     //#endif
   },
   methods: {
+    showLangView() {
+      const lang=uni.getStorageSync('locale')||'zh';
+      this.index=this.languages.findIndex(item => item.value === lang);
+    },
     showUser() {
       this.$refs.userment.open()
     },
@@ -230,6 +235,7 @@ export default {
       this.locale = data
       this.getLeviteData()
       uni.setStorageSync('locale', data)
+      uni.setLocale(data);
       this.$lang.setLang(data)
     },
     getLeviteData() {

src/pages/site/site.vue

@@ -273,6 +273,7 @@ export default {
   onLoad() {
     this.getVersion()
     this.getStatusData()
+    this.showLangView()
     //#ifdef APP-PLUS
     this.getAdData(2)
     //#endif
@@ -285,6 +286,10 @@ export default {
     }, 500)
   },
   methods: {
+    showLangView() {
+      const lang=uni.getStorageSync('locale')||'zh';
+      this.index=this.languages.findIndex(item => item.value === lang);
+    },
     toupdate() {
       let that = this
       if (that.showdownLine) return