init

src/stores/siderbar.js

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+import { defineStore } from "pinia";
+import { reactive, ref } from "vue";
+export  const useSiderBar = defineStore('siderbar',()=>{
+  //定义控制侧边栏是否展开变量默认展开
+  const isCollapse = ref(false)
+  //获取侧边栏状态
+  const getSiderBarStatus = () => {
+    return isCollapse.value
+  }
+  //设置侧边栏状态
+  const setSiderBarStatus = () => {
+    isCollapse.value = !isCollapse.value
+  }
+
+  return {
+    isCollapse,
+    getSiderBarStatus,
+    setSiderBarStatus,
+  }
+})