前端和后端源码，合并到一个git仓库中，方便用户下载，避免前后端不匹配的问题

jeecgboot-vue3/src/layouts/iframe/index.vue

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+<template>
+  <div v-if="showFrame">
+    <template v-for="frame in getFramePages" :key="frame.path">
+      <FramePage v-if="frame.meta.frameSrc && hasRenderFrame(frame.name)" v-show="showIframe(frame)" :frameSrc="frame.meta.frameSrc" />
+    </template>
+  </div>
+</template>
+<script lang="ts">
+  import { defineComponent, unref, computed } from 'vue';
+  import FramePage from '/@/views/sys/iframe/index.vue';
+
+  import { useFrameKeepAlive } from './useFrameKeepAlive';
+
+  export default defineComponent({
+    name: 'FrameLayout',
+    components: { FramePage },
+    setup() {
+      const { getFramePages, hasRenderFrame, showIframe } = useFrameKeepAlive();
+
+      const showFrame = computed(() => unref(getFramePages).length > 0);
+
+      return { getFramePages, hasRenderFrame, showIframe, showFrame };
+    },
+  });
+</script>