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miniprogram/pages/admin-samples/index.js

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+const { request } = require('../../utils/request')
+
+Page({
+  data: {
+    keyword: '',
+    label: '',
+    loading: false,
+    samples: [],
+    form: {
+      text: '',
+      label: 'spam'
+    },
+    importText: '[{"text":"点击领取限时现金券","label":"spam"},{"text":"今天下午发布会彩排","label":"ham"}]'
+  },
+
+  onShow() {
+    this.fetchSamples()
+  },
+
+  onInput(e) {
+    const field = e.currentTarget.dataset.field
+    this.setData({ [field]: e.detail.value || '' })
+  },
+
+  onFormInput(e) {
+    const field = e.currentTarget.dataset.field
+    this.setData({ [`form.${field}`]: e.detail.value || '' })
+  },
+
+  onLabelChange(e) {
+    this.setData({ label: e.detail.value || '' })
+  },
+
+  onFormLabelChange(e) {
+    this.setData({ 'form.label': e.detail.value || 'spam' })
+  },
+
+  async fetchSamples() {
+    this.setData({ loading: true })
+    try {
+      const url = `/spam/samples?keyword=${encodeURIComponent(this.data.keyword)}&label=${encodeURIComponent(this.data.label)}&page=1&page_size=80`
+      const data = await request({ url })
+      this.setData({ samples: data.items || [] })
+    } finally {
+      this.setData({ loading: false })
+    }
+  },
+
+  async createSample() {
+    const payload = {
+      text: (this.data.form.text || '').trim(),
+      label: this.data.form.label || 'spam'
+    }
+    if (payload.text.length < 2) {
+      wx.showToast({ title: '样本文本至少 2 个字符', icon: 'none' })
+      return
+    }
+    await request({ url: '/spam/samples', method: 'POST', data: payload })
+    wx.showToast({ title: '新增成功', icon: 'success' })
+    this.setData({ 'form.text': '' })
+    this.fetchSamples()
+  },
+
+  async deleteSample(e) {
+    const id = Number(e.currentTarget.dataset.id)
+    wx.showModal({
+      title: '删除样本',
+      content: `确认删除样本 ID ${id} 吗？`,
+      success: async (res) => {
+        if (!res.confirm) return
+        await request({ url: `/spam/samples/${id}`, method: 'DELETE' })
+        wx.showToast({ title: '删除成功', icon: 'success' })
+        this.fetchSamples()
+      }
+    })
+  },
+
+  async toggleActive(e) {
+    const id = Number(e.currentTarget.dataset.id)
+    const active = !!e.detail.value
+    await request({
+      url: `/spam/samples/${id}`,
+      method: 'PUT',
+      data: { is_active: active }
+    })
+    wx.showToast({ title: '状态已更新', icon: 'success' })
+  },
+
+  async retrain() {
+    await request({ url: '/spam/train', method: 'POST', data: {} })
+    wx.showToast({ title: '模型重训完成', icon: 'success' })
+  },
+
+  async importSamples() {
+    let items = []
+    try {
+      items = JSON.parse(this.data.importText)
+    } catch (err) {
+      wx.showToast({ title: 'JSON 格式错误', icon: 'none' })
+      return
+    }
+
+    await request({ url: '/spam/samples/import', method: 'POST', data: { items } })
+    wx.showToast({ title: '导入完成', icon: 'success' })
+    this.fetchSamples()
+  }
+})

miniprogram/pages/admin-samples/index.json

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+{
+  "navigationBarTitleText": "样本管理"
+}

miniprogram/pages/admin-samples/index.wxml

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+<view class="container">
+  <view class="hero fade-up">
+    <view class="hero-badge">SAMPLE LAB</view>
+    <view class="hero-title">训练样本管理</view>
+    <view class="hero-sub">支持增删样本、批量导入、启停样本与一键重训，持续提升识别准确率。</view>
+  </view>
+
+  <view class="card fade-up fade-up-delay-1">
+    <view class="card-title">筛选样本</view>
+
+    <view class="field">
+      <text class="field-label">关键词</text>
+      <input class="input" placeholder="输入关键词" value="{{keyword}}" data-field="keyword" bindinput="onInput" />
+    </view>
+
+    <radio-group class="row" bindchange="onLabelChange">
+      <label class="label"><radio value="" checked="{{label === ''}}" />全部</label>
+      <label class="label"><radio value="spam" checked="{{label === 'spam'}}" />垃圾</label>
+      <label class="label"><radio value="ham" checked="{{label === 'ham'}}" />正常</label>
+    </radio-group>
+
+    <button class="btn btn-primary" loading="{{loading}}" bindtap="fetchSamples">查询</button>
+  </view>
+
+  <view class="card fade-up fade-up-delay-1">
+    <view class="card-title">新增样本</view>
+
+    <textarea class="textarea" placeholder="输入样本文本" value="{{form.text}}" data-field="text" bindinput="onFormInput" />
+
+    <radio-group class="row" bindchange="onFormLabelChange">
+      <label class="label"><radio value="spam" checked="{{form.label === 'spam'}}" />垃圾</label>
+      <label class="label"><radio value="ham" checked="{{form.label === 'ham'}}" />正常</label>
+    </radio-group>
+
+    <button class="btn btn-accent" bindtap="createSample">提交样本</button>
+  </view>
+
+  <view class="card fade-up fade-up-delay-2">
+    <view class="card-title">批量导入</view>
+    <view class="card-desc">支持 JSON 数组导入。导入后可直接重训模型。</view>
+    <textarea class="textarea" value="{{importText}}" data-field="importText" bindinput="onInput" />
+
+    <view class="btn-row">
+      <button class="btn btn-primary" bindtap="importSamples">执行导入</button>
+      <button class="btn btn-ghost" bindtap="retrain">一键重训模型</button>
+    </view>
+  </view>
+
+  <view class="card fade-up fade-up-delay-3" wx:if="{{samples.length}}">
+    <view class="card-title">样本列表</view>
+
+    <view class="list-item" wx:for="{{samples}}" wx:key="id">
+      <view class="item-title">{{item.text}}</view>
+      <view class="item-sub">标签：{{item.label === 'spam' ? '垃圾' : '正常'}} · 来源：{{item.source}} · ID：{{item.id}}</view>
+
+      <view class="row">
+        <text class="label">参与训练</text>
+        <switch data-id="{{item.id}}" checked="{{item.is_active}}" bindchange="toggleActive" />
+      </view>
+
+      <button class="btn btn-ghost" data-id="{{item.id}}" bindtap="deleteSample">删除样本</button>
+    </view>
+  </view>
+</view>

miniprogram/pages/admin-samples/index.wxss

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+/* admin-samples styles use global theme */