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src/components/agent/AgentImageUpload.vue

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+<script setup>
+import { ref } from "vue";
+
+const props = defineProps({
+  modelValue: { type: String, default: "" },
+  label: { type: String, required: true },
+  accept: { type: String, default: "image/png,image/jpeg,image/webp,image/gif" },
+  maxSizeMb: { type: Number, default: 2 },
+});
+
+const emit = defineEmits(["update:modelValue", "error"]);
+
+const fileInputRef = ref(null);
+const reading = ref(false);
+
+function openPicker() {
+  fileInputRef.value?.click();
+}
+
+function clearImage() {
+  emit("update:modelValue", "");
+  if (fileInputRef.value) fileInputRef.value.value = "";
+}
+
+async function onFileChange(event) {
+  const file = event.target.files?.[0];
+  if (!file) return;
+
+  if (!file.type.startsWith("image/")) {
+    emit("error", "请选择图片文件");
+    event.target.value = "";
+    return;
+  }
+
+  const maxBytes = props.maxSizeMb * 1024 * 1024;
+  if (file.size > maxBytes) {
+    emit("error", `图片不能超过 ${props.maxSizeMb}MB`);
+    event.target.value = "";
+    return;
+  }
+
+  reading.value = true;
+  try {
+    const dataUrl = await readAsDataUrl(file);
+    emit("update:modelValue", dataUrl);
+  } catch {
+    emit("error", "读取图片失败");
+  } finally {
+    reading.value = false;
+    event.target.value = "";
+  }
+}
+
+function readAsDataUrl(file) {
+  return new Promise((resolve, reject) => {
+    const reader = new FileReader();
+    reader.onload = () => resolve(String(reader.result || ""));
+    reader.onerror = () => reject(reader.error);
+    reader.readAsDataURL(file);
+  });
+}
+</script>
+
+<template>
+  <div class="admin-image-upload">
+    <label class="admin-image-upload__label">{{ label }}</label>
+    <div class="admin-image-upload__body">
+      <div
+        class="admin-image-upload__preview"
+        :class="{ 'admin-image-upload__preview--empty': !modelValue }"
+      >
+        <img v-if="modelValue" :src="modelValue" alt="" />
+        <span v-else class="text-xs text-text-muted">未上传</span>
+      </div>
+      <div class="admin-image-upload__actions">
+        <input
+          ref="fileInputRef"
+          type="file"
+          class="admin-image-upload__input"
+          :accept="accept"
+          @change="onFileChange"
+        />
+        <Button
+          label="选择图片"
+          size="small"
+          severity="secondary"
+          :loading="reading"
+          @click="openPicker"
+        />
+        <Button
+          v-if="modelValue"
+          label="清除"
+          size="small"
+          severity="danger"
+          text
+          @click="clearImage"
+        />
+      </div>
+    </div>
+  </div>
+</template>

src/components/agent/AgentSubNav.vue

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+<script setup>
+import { computed } from "vue";
+import { useRoute } from "vue-router";
+
+const route = useRoute();
+
+const menuItems = [
+ 
+  { name: "admin-users", label: "用户管理", to: "/admin/users" },
+  { name: "admin-card-keys", label: "卡密管理", to: "/admin/card-keys" },
+  { name: "admin-desktop-config", label: "桌面配置", to: "/admin/desktop-config" },
+  { name: "admin-overview", label: "软件配置", to: "/admin" },
+];
+
+const activeName = computed(() => route.name);
+</script>
+
+<template>
+  <nav class="admin-sub-nav" aria-label="管理后台导航">
+    <p class="admin-sub-nav__title"></p>
+    <RouterLink
+      v-for="item in menuItems"
+      :key="item.name"
+      :to="item.to"
+      class="admin-sub-nav__item"
+      :class="{ 'admin-sub-nav__item--active': activeName === item.name }"
+    >
+      {{ item.label }}
+    </RouterLink>
+  </nav>
+</template>