feat(admin): 积木页面可视化编辑与链接选择器（站内页/可下载文件）

Made-with: Cursor

admin/src/components/LinkPickerDialog.vue

@@ -0,0 +1,143 @@
+<template>
+  <el-dialog
+    :model-value="modelValue"
+    title="选择链接"
+    width="640px"
+    destroy-on-close
+    @update:model-value="$emit('update:modelValue', $event)"
+  >
+    <el-tabs v-model="tab">
+      <el-tab-pane label="站内页面" name="pages">
+        <el-table
+          v-loading="loadingPages"
+          :data="pageRows"
+          highlight-current-row
+          max-height="360"
+          @row-click="(row) => confirm(row.path)"
+        >
+          <el-table-column prop="title" label="标题" min-width="140" />
+          <el-table-column prop="path" label="路径" min-width="160" />
+          <el-table-column label="操作" width="80">
+            <template #default="{ row }">
+              <el-button type="primary" link @click.stop="confirm(row.path)">选择</el-button>
+            </template>
+          </el-table-column>
+        </el-table>
+        <el-empty v-if="!loadingPages && !pageRows.length" description="暂无页面" />
+      </el-tab-pane>
+      <el-tab-pane label="可下载文件" name="files">
+        <el-table
+          v-loading="loadingFiles"
+          :data="files"
+          max-height="360"
+          @row-click="(row) => confirm(fileUrl(row))"
+        >
+          <el-table-column prop="name" label="文件名" min-width="160" />
+          <el-table-column prop="file_path" label="存储路径" min-width="200" show-overflow-tooltip />
+          <el-table-column label="操作" width="80">
+            <template #default="{ row }">
+              <el-button type="primary" link @click.stop="confirm(fileUrl(row))">选择</el-button>
+            </template>
+          </el-table-column>
+        </el-table>
+        <el-empty v-if="!loadingFiles && !files.length" description="无标记为可下载的文件，请到文件管理上传并勾选允许下载" />
+      </el-tab-pane>
+      <el-tab-pane label="自定义地址" name="custom">
+        <el-input v-model="customUrl" placeholder="https:// 或 /path" clearable />
+        <div style="margin-top: 16px">
+          <el-button type="primary" @click="confirmCustom">使用此地址</el-button>
+        </div>
+      </el-tab-pane>
+    </el-tabs>
+  </el-dialog>
+</template>
+
+<script setup>
+import { ref, watch } from 'vue'
+import { ElMessage } from 'element-plus'
+import { getPages, getDownloadableAssets } from '../api/admin'
+
+const props = defineProps({
+  modelValue: { type: Boolean, default: false },
+  siteId: { type: String, default: '' }
+})
+const emit = defineEmits(['update:modelValue', 'select'])
+
+const tab = ref('pages')
+const pageRows = ref([])
+const files = ref([])
+const loadingPages = ref(false)
+const loadingFiles = ref(false)
+const customUrl = ref('')
+
+function effectivePath(p) {
+  if (p.route_path) {
+    const r = String(p.route_path).trim()
+    return r.startsWith('/') ? r : '/' + r
+  }
+  if (!p.slug || p.slug === 'index') return '/'
+  return '/' + p.slug
+}
+
+async function loadPages() {
+  if (!props.siteId) return
+  loadingPages.value = true
+  try {
+    const res = await getPages({ site_id: props.siteId })
+    const list = res.list || []
+    pageRows.value = list.map((p) => ({
+      title: p.title || p.slug,
+      path: effectivePath(p),
+      slug: p.slug
+    }))
+  } catch {
+    pageRows.value = []
+  } finally {
+    loadingPages.value = false
+  }
+}
+
+async function loadFiles() {
+  if (!props.siteId) return
+  loadingFiles.value = true
+  try {
+    const res = await getDownloadableAssets(props.siteId)
+    files.value = res.list || []
+  } catch {
+    files.value = []
+  } finally {
+    loadingFiles.value = false
+  }
+}
+
+function fileUrl(row) {
+  return `/api/web/sites/${props.siteId}/assets/${row.id}/download`
+}
+
+function confirm(url) {
+  if (!url) return
+  emit('select', url)
+  emit('update:modelValue', false)
+}
+
+function confirmCustom() {
+  const u = (customUrl.value || '').trim()
+  if (!u) {
+    ElMessage.warning('请输入地址')
+    return
+  }
+  confirm(u)
+}
+
+watch(
+  () => props.modelValue,
+  (v) => {
+    if (v) {
+      customUrl.value = ''
+      tab.value = 'pages'
+      loadPages()
+      loadFiles()
+    }
+  }
+)
+</script>

admin/src/components/PageBuilderAnimFields.vue

@@ -0,0 +1,53 @@
+<template>
+  <el-form-item label="入场动画">
+    <el-select v-model="enter" style="width: 130px" @change="sync">
+      <el-option label="无" value="none" />
+      <el-option label="淡入" value="fadeIn" />
+      <el-option label="上滑" value="slideUp" />
+      <el-option label="左滑" value="slideLeft" />
+      <el-option label="缩放" value="zoomIn" />
+    </el-select>
+    <el-input-number v-model="delay" :min="0" :max="5000" style="width: 110px; margin-left: 8px" @change="sync" />
+    <span class="hint">延迟ms</span>
+    <el-input-number v-model="duration" :min="100" :max="3000" style="width: 110px; margin-left: 8px" @change="sync" />
+    <span class="hint">时长ms</span>
+  </el-form-item>
+</template>
+
+<script setup>
+import { ref, watch } from 'vue'
+
+const props = defineProps({
+  modelValue: { type: Object, default: () => ({}) }
+})
+const emit = defineEmits(['update:modelValue'])
+
+const enter = ref('fadeIn')
+const delay = ref(0)
+const duration = ref(600)
+
+function fromModel() {
+  const a = props.modelValue || {}
+  enter.value = a.enter || 'fadeIn'
+  delay.value = a.delay_ms ?? 0
+  duration.value = a.duration_ms ?? 600
+}
+
+function sync() {
+  emit('update:modelValue', {
+    enter: enter.value,
+    delay_ms: delay.value,
+    duration_ms: duration.value
+  })
+}
+
+watch(() => props.modelValue, fromModel, { immediate: true, deep: true })
+</script>
+
+<style scoped>
+.hint {
+  font-size: 12px;
+  color: #909399;
+  margin-left: 4px;
+}
+</style>

admin/src/components/PageBuilderBlocks.vue

@@ -0,0 +1,320 @@
+<template>
+  <div class="page-builder-blocks">
+    <div v-for="(block, idx) in modelBlocks" :key="block.id || idx" class="block-card">
+      <div class="block-head">
+        <span class="block-type">{{ typeLabel(block.type) }}</span>
+        <div class="block-actions">
+          <el-button link type="primary" :disabled="idx === 0" @click="move(idx, -1)">上移</el-button>
+          <el-button link type="primary" :disabled="idx >= modelBlocks.length - 1" @click="move(idx, 1)">下移</el-button>
+          <el-button link type="danger" @click="remove(idx)">删除</el-button>
+        </div>
+      </div>
+
+      <template v-if="block.type === 'heading'">
+        <el-form label-width="88px" size="small">
+          <el-form-item label="标题文字">
+            <el-input v-model="block.props.text" placeholder="标题" />
+          </el-form-item>
+          <el-form-item label="级别 (1-6)">
+            <el-input-number v-model="block.props.level" :min="1" :max="6" />
+          </el-form-item>
+          <PageBuilderAnimFields v-model="block.animation" />
+        </el-form>
+      </template>
+
+      <template v-else-if="block.type === 'text'">
+        <el-form label-width="88px" size="small">
+          <el-form-item label="HTML 模式">
+            <el-switch v-model="block.props.html" />
+          </el-form-item>
+          <el-form-item label="内容">
+            <el-input v-model="block.props.text" type="textarea" :rows="4" placeholder="纯文本或 HTML" />
+          </el-form-item>
+          <PageBuilderAnimFields v-model="block.animation" />
+        </el-form>
+      </template>
+
+      <template v-else-if="block.type === 'link_list'">
+        <div class="link-items">
+          <div v-for="(it, j) in block.props.items" :key="j" class="link-row">
+            <el-input v-model="it.label" placeholder="显示文字" style="width: 110px" />
+            <el-input v-model="it.url" placeholder="链接" style="flex: 1; min-width: 120px" />
+            <el-select v-model="it.target" style="width: 95px">
+              <el-option label="当前页" value="_self" />
+              <el-option label="新窗口" value="_blank" />
+            </el-select>
+            <el-button type="primary" link @click="openPicker(it)">选择</el-button>
+            <el-button link type="danger" @click="block.props.items.splice(j, 1)">删</el-button>
+          </div>
+          <el-button link type="primary" @click="block.props.items.push({ label: '', url: '', target: '_self' })">
+            + 添加链接
+          </el-button>
+        </div>
+        <el-form label-width="88px" size="small" style="margin-top: 8px">
+          <PageBuilderAnimFields v-model="block.animation" />
+        </el-form>
+      </template>
+
+      <template v-else-if="block.type === 'button'">
+        <el-form label-width="88px" size="small">
+          <el-form-item label="按钮文字">
+            <el-input v-model="block.props.text" />
+          </el-form-item>
+          <el-form-item label="链接">
+            <div class="url-row">
+              <el-input v-model="block.props.url" placeholder="#" />
+              <el-button type="primary" @click="openPicker(block.props, 'url')">选择链接</el-button>
+            </div>
+          </el-form-item>
+          <el-form-item label="样式">
+            <el-radio-group v-model="block.props.variant">
+              <el-radio-button label="primary">主色</el-radio-button>
+              <el-radio-button label="ghost">线框</el-radio-button>
+            </el-radio-group>
+          </el-form-item>
+          <PageBuilderAnimFields v-model="block.animation" />
+        </el-form>
+      </template>
+
+      <template v-else-if="block.type === 'html'">
+        <el-input v-model="block.props.html" type="textarea" :rows="6" placeholder="HTML 片段" />
+        <el-form label-width="88px" size="small" style="margin-top: 8px">
+          <PageBuilderAnimFields v-model="block.animation" />
+        </el-form>
+      </template>
+
+      <template v-else-if="block.type === 'spacer'">
+        <el-form label-width="88px" size="small">
+          <el-form-item label="高度(px)">
+            <el-input-number v-model="block.props.height" :min="0" :max="500" />
+          </el-form-item>
+        </el-form>
+      </template>
+
+      <template v-else-if="block.type === 'divider'">
+        <span class="muted">分割线</span>
+      </template>
+
+      <template v-else-if="block.type === 'section'">
+        <el-form label-width="88px" size="small">
+          <el-form-item label="内边距">
+            <el-input v-model="block.props.padding" placeholder="24px 16px" />
+          </el-form-item>
+          <el-form-item label="最大宽度">
+            <el-input v-model="block.props.maxWidth" placeholder="960px" />
+          </el-form-item>
+          <el-form-item label="背景色">
+            <el-input v-model="block.props.background" placeholder="transparent" />
+          </el-form-item>
+        </el-form>
+        <div class="nested-label">区块内模块（可继续嵌套）</div>
+        <PageBuilderBlocks
+          :blocks="block.children || []"
+          :site-id="siteId"
+          @update:blocks="(v) => patchSectionChildren(idx, v)"
+        />
+      </template>
+
+      <template v-else>
+        <span class="muted">未知类型 {{ block.type }}</span>
+      </template>
+    </div>
+
+    <div class="add-bar">
+      <el-dropdown trigger="click" @command="addBlock">
+        <el-button type="primary">
+          + 添加模块 <el-icon class="el-icon--right"><ArrowDown /></el-icon>
+        </el-button>
+        <template #dropdown>
+          <el-dropdown-menu>
+            <el-dropdown-item command="heading">标题</el-dropdown-item>
+            <el-dropdown-item command="text">段落文字</el-dropdown-item>
+            <el-dropdown-item command="link_list">链接组</el-dropdown-item>
+            <el-dropdown-item command="button">按钮</el-dropdown-item>
+            <el-dropdown-item command="html">HTML</el-dropdown-item>
+            <el-dropdown-item command="spacer">留白</el-dropdown-item>
+            <el-dropdown-item command="divider">分割线</el-dropdown-item>
+            <el-dropdown-item command="section">区块（嵌套）</el-dropdown-item>
+          </el-dropdown-menu>
+        </template>
+      </el-dropdown>
+    </div>
+
+    <LinkPickerDialog v-model="pickerVisible" :site-id="siteId" @select="onPicked" />
+  </div>
+</template>
+
+<script setup>
+import { computed, ref } from 'vue'
+import { ArrowDown } from '@element-plus/icons-vue'
+import LinkPickerDialog from './LinkPickerDialog.vue'
+import PageBuilderAnimFields from './PageBuilderAnimFields.vue'
+
+defineOptions({ name: 'PageBuilderBlocks' })
+
+const props = defineProps({
+  blocks: { type: Array, default: () => [] },
+  siteId: { type: String, default: '' }
+})
+const emit = defineEmits(['update:blocks'])
+
+const modelBlocks = computed(() => props.blocks)
+
+function typeLabel(t) {
+  const m = {
+    heading: '标题',
+    text: '段落',
+    link_list: '链接组',
+    button: '按钮',
+    html: 'HTML',
+    spacer: '留白',
+    divider: '分割线',
+    section: '区块'
+  }
+  return m[t] || t
+}
+
+function newId() {
+  return 'b-' + Date.now() + '-' + Math.random().toString(36).slice(2, 8)
+}
+
+function addBlock(cmd) {
+  const list = [...props.blocks]
+  const b = {
+    id: newId(),
+    type: cmd,
+    props: {},
+    animation: { enter: 'fadeIn', delay_ms: 0, duration_ms: 600 }
+  }
+  switch (cmd) {
+    case 'heading':
+      b.props = { text: '新标题', level: 2 }
+      break
+    case 'text':
+      b.props = { text: '段落内容', html: false }
+      break
+    case 'link_list':
+      b.props = { items: [{ label: '链接', url: '/', target: '_self' }] }
+      break
+    case 'button':
+      b.props = { text: '按钮', url: '#', variant: 'primary' }
+      break
+    case 'html':
+      b.props = { html: '<p>内容</p>' }
+      break
+    case 'spacer':
+      b.props = { height: 24 }
+      break
+    case 'divider':
+      b.props = {}
+      break
+    case 'section':
+      b.props = { padding: '24px 0', maxWidth: '960px', background: 'transparent' }
+      b.children = []
+      break
+    default:
+      b.props = {}
+  }
+  list.push(b)
+  emit('update:blocks', list)
+}
+
+function remove(idx) {
+  const list = [...props.blocks]
+  list.splice(idx, 1)
+  emit('update:blocks', list)
+}
+
+function move(idx, delta) {
+  const list = [...props.blocks]
+  const j = idx + delta
+  if (j < 0 || j >= list.length) return
+  const t = list[idx]
+  list[idx] = list[j]
+  list[j] = t
+  emit('update:blocks', list)
+}
+
+const pickerVisible = ref(false)
+const pickTarget = ref(null)
+
+function openPicker(target, key) {
+  if (key === 'url') pickTarget.value = { obj: target, key: 'url' }
+  else pickTarget.value = { item: target }
+  pickerVisible.value = true
+}
+
+function onPicked(url) {
+  const t = pickTarget.value
+  if (t?.item) t.item.url = url
+  if (t?.obj && t?.key) t.obj[t.key] = url
+  pickTarget.value = null
+}
+
+function patchSectionChildren(idx, children) {
+  const list = props.blocks.map((b, i) => (i === idx ? { ...b, children: [...children] } : b))
+  emit('update:blocks', list)
+}
+</script>
+
+<style scoped>
+.page-builder-blocks {
+  border: 1px solid #ebeef5;
+  border-radius: 8px;
+  padding: 12px;
+  background: #fafafa;
+  max-height: 62vh;
+  overflow-y: auto;
+}
+.block-card {
+  background: #fff;
+  border: 1px solid #dcdfe6;
+  border-radius: 8px;
+  padding: 12px;
+  margin-bottom: 12px;
+}
+.block-head {
+  display: flex;
+  justify-content: space-between;
+  align-items: center;
+  margin-bottom: 10px;
+  padding-bottom: 8px;
+  border-bottom: 1px solid #ebeef5;
+}
+.block-type {
+  font-weight: 600;
+  color: #409eff;
+}
+.link-items {
+  display: flex;
+  flex-direction: column;
+  gap: 8px;
+}
+.link-row {
+  display: flex;
+  flex-wrap: wrap;
+  align-items: center;
+  gap: 8px;
+}
+.url-row {
+  display: flex;
+  gap: 8px;
+  width: 100%;
+  align-items: center;
+}
+.url-row .el-input {
+  flex: 1;
+}
+.nested-label {
+  font-size: 13px;
+  color: #606266;
+  margin: 8px 0;
+}
+.add-bar {
+  margin-top: 8px;
+}
+.muted {
+  color: #909399;
+  font-size: 13px;
+}
+</style>

admin/src/components/PageBuilderEditor.vue

@@ -0,0 +1,105 @@
+<template>
+  <div class="page-builder-editor">
+    <PageBuilderBlocks v-model:blocks="blocks" :site-id="siteId" />
+    <el-collapse class="adv-collapse" accordion>
+      <el-collapse-item title="高级：直接编辑 JSON（慎用）" name="json">
+        <el-input
+          v-model="jsonDraft"
+          type="textarea"
+          :rows="10"
+          placeholder="修改后会覆盖上方可视化内容"
+        />
+        <el-button type="warning" style="margin-top: 8px" @click="applyJsonDraft">应用 JSON</el-button>
+      </el-collapse-item>
+    </el-collapse>
+  </div>
+</template>
+
+<script setup>
+import { ref, watch } from 'vue'
+import { ElMessage } from 'element-plus'
+import PageBuilderBlocks from './PageBuilderBlocks.vue'
+
+const props = defineProps({
+  modelValue: { type: String, default: '' },
+  siteId: { type: String, default: '' }
+})
+const emit = defineEmits(['update:modelValue'])
+
+const blocks = ref([])
+const jsonDraft = ref('')
+let syncingFromParent = false
+
+function normalizeBlock(b) {
+  if (!b.props) b.props = {}
+  if (!b.animation) b.animation = { enter: 'fadeIn', delay_ms: 0, duration_ms: 600 }
+  if (b.type === 'link_list' && !Array.isArray(b.props.items)) b.props.items = []
+  if (b.type === 'section' && !Array.isArray(b.children)) b.children = []
+  if (Array.isArray(b.children)) b.children.forEach(normalizeBlock)
+}
+
+function parseFromString(s) {
+  syncingFromParent = true
+  try {
+    const j = JSON.parse(s || '{}')
+    const raw = Array.isArray(j.blocks) ? JSON.parse(JSON.stringify(j.blocks)) : []
+    raw.forEach(normalizeBlock)
+    blocks.value = raw
+    jsonDraft.value = JSON.stringify({ version: j.version || 1, blocks: blocks.value }, null, 2)
+  } catch {
+    blocks.value = []
+    jsonDraft.value = '{"version":1,"blocks":[]}'
+  }
+  syncingFromParent = false
+}
+
+function stringify() {
+  return JSON.stringify({ version: 1, blocks: blocks.value }, null, 2)
+}
+
+watch(
+  () => props.modelValue,
+  (v) => {
+    if (syncingFromParent) return
+    parseFromString(v)
+  },
+  { immediate: true }
+)
+
+watch(
+  blocks,
+  () => {
+    if (syncingFromParent) return
+    const s = stringify()
+    jsonDraft.value = s
+    emit('update:modelValue', s)
+  },
+  { deep: true }
+)
+
+function applyJsonDraft() {
+  try {
+    const j = JSON.parse(jsonDraft.value || '{}')
+    if (!Array.isArray(j.blocks)) {
+      ElMessage.error('JSON 须包含 blocks 数组')
+      return
+    }
+    syncingFromParent = true
+    blocks.value = JSON.parse(JSON.stringify(j.blocks))
+    syncingFromParent = false
+    emit('update:modelValue', stringify())
+    ElMessage.success('已应用')
+  } catch (e) {
+    ElMessage.error('JSON 格式错误')
+  }
+}
+</script>
+
+<style scoped>
+.page-builder-editor {
+  width: 100%;
+}
+.adv-collapse {
+  margin-top: 12px;
+}
+</style>

admin/src/views/sites/PageList.vue

@@ -50,7 +50,13 @@
       </el-table>
     </el-card>
 
-    <el-dialog v-model="dialogVisible" :title="editId ? '编辑网页' : '新增网页'" width="720px" @close="resetForm">
+    <el-dialog
+      v-model="dialogVisible"
+      :title="editId ? '编辑网页' : '新增网页'"
+      :width="form.content_mode === 'builder' ? '960px' : '720px'"
+      top="4vh"
+      @close="resetForm"
+    >
       <el-form ref="formRef" :model="form" :rules="rules" label-width="100px">
         <el-form-item label="Slug" prop="slug">
           <el-input v-model="form.slug" placeholder="如 about、index（index 为首页数据，一般不单独走路由）" :disabled="!!editId" />
@@ -70,15 +76,18 @@
         <el-form-item label="内容模式">
           <el-select v-model="form.content_mode" placeholder="模式" style="width: 200px">
             <el-option label="HTML 富文本" value="html" />
-            <el-option label="积木组装（JSON）" value="builder" />
+            <el-option label="积木组装（可视化）" value="builder" />
           </el-select>
           <el-button type="primary" link style="margin-left: 12px" @click="insertBuilderTemplate">插入积木模板</el-button>
         </el-form-item>
         <el-form-item label="发布到前台">
           <el-switch v-model="form.published" />
         </el-form-item>
-        <el-form-item label="内容" prop="content">
-          <el-input v-model="form.content" type="textarea" :rows="12" placeholder="HTML 模式直接写 HTML；积木模式为 JSON，见项目 docs/PAGE_BUILDER.md" />
+        <el-form-item v-if="form.content_mode === 'html'" label="内容" prop="content">
+          <el-input v-model="form.content" type="textarea" :rows="14" placeholder="直接编写 HTML" />
+        </el-form-item>
+        <el-form-item v-else label="页面积木" class="builder-form-item">
+          <PageBuilderEditor v-model="form.content" :site-id="siteId" />
         </el-form-item>
       </el-form>
       <template #footer>
@@ -94,6 +103,7 @@ import { ref, reactive, onMounted, watch } from 'vue'
 import { ElMessage, ElMessageBox } from 'element-plus'
 import { getSites } from '../../api/admin'
 import { getPages, createPage, updatePage, deletePage } from '../../api/admin'
+import PageBuilderEditor from '../../components/PageBuilderEditor.vue'
 
 const siteId = ref('')
 const sites = ref([])
@@ -289,4 +299,8 @@ onMounted(() => {
   justify-content: space-between;
   align-items: center;
 }
+.builder-form-item :deep(.el-form-item__content) {
+  display: block;
+  margin-left: 0 !important;
+}
 </style>

docs/PAGE_BUILDER.md

@@ -4,7 +4,8 @@
 
 - 在 **网页管理** 中创建页面，设置 **前台路径**（`route_path` 或默认 `/{slug}`）、**发布**、**内容模式**。
 - **HTML**：`content` 为 HTML 字符串，前台用 `v-html` 渲染（仅信任后台内容）。
-- **积木（builder）**：`content` 为 JSON，结构如下，前台按模块渲染并支持入场动画。
+- **积木（builder）**：后台使用 **可视化编辑器**（添加模块、拖拽顺序、配置动画）；链接可在弹窗中选择 **站内页面**、**可下载文件** 或 **自定义地址**。亦可展开「高级」直接改 JSON。
+- 存储仍为 JSON，结构如下，前台按模块渲染并支持入场动画。
 
 ## 动态路由