OverPage

src/components/OverPage.vue

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+<template>
+  <BackPage>
+    <div>
+      <div class="ruleImage-box">
+        <img :src="ruleImage" />
+      </div>
+      <div class="IKnow-box">
+        <img :src="IKnow" @click="goBack" />
+      </div>
+    </div>
+  </BackPage>
+</template>
+
+<script>
+import { ref, reactive } from 'vue'
+import { useRouter } from 'vue-router'
+import ruleImage from '../assets/TipsImage/3-3.png'
+import IKnow from '../assets/ButtonImage/我知道了.png'
+export default {
+  setup() {
+    const router = useRouter()
+
+    const linkBack = () => {
+      // 字符串路径
+      // router.push('/about')
+
+      // 带有路径的对象
+      router.back(-1)
+    }
+    return {
+      linkBack
+    }
+  }
+}
+</script>