第一次提交

src/views/exception/403/index.vue

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+<template>
+  <div style="padding-top: 80px">
+    <a-result status="403" title="403" sub-title="抱歉, 你无权访问该页面.">
+      <template #extra>
+        <router-link to="/">
+          <a-button type="primary">返回首页</a-button>
+        </router-link>
+      </template>
+    </a-result>
+  </div>
+</template>
+
+<script lang="ts">
+  export default {
+    name: 'Exception403'
+  };
+</script>

src/views/exception/404/index.vue

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+<template>
+  <div style="padding-top: 80px">
+    <a-result status="404" title="404" sub-title="抱歉, 你访问的页面不存在.">
+      <template #extra>
+        <router-link to="/">
+          <a-button type="primary">返回首页</a-button>
+        </router-link>
+      </template>
+    </a-result>
+  </div>
+</template>
+
+<script lang="ts">
+  export default {
+    name: 'Exception404'
+  };
+</script>

src/views/exception/500/index.vue

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+<template>
+  <div style="padding-top: 80px">
+    <a-result status="500" title="500" sub-title="抱歉, 服务器出错了.">
+      <template #extra>
+        <router-link to="/">
+          <a-button type="primary">返回首页</a-button>
+        </router-link>
+      </template>
+    </a-result>
+  </div>
+</template>
+
+<script lang="ts">
+  export default {
+    name: 'Exception500'
+  };
+</script>