mini_read_space_front/pages/category/category.js

import { getCategoryList, getNovelSearch } from '../../api/api'
import { goToBookDetail } from '../../utils/util'

Page({
  data: {
    gender: 'male', // 当前性别选择
    currentCategory: '', // 当前选中的分类
    categories: [],
    bookList: [],
    loading: false,
    keyword: '',
    page: 1,
    size: 10,
    hasMore: true // 是否还有更多数据
  },

  onLoad: function(options) {
    // 页面首次加载时的处理
    this.syncGenderState();
  },

  onShow: function() {
    // 每次页面显示时同步性别状态
    this.syncGenderState();
  },

  onTabItemTap: function() {
    // tabBar 点击时同步性别状态
    this.syncGenderState();
  },

  // 同步性别状态
  syncGenderState: async function() {
    const gender = wx.getStorageSync('gender') || 'male';
    if (gender !== this.data.gender) {
      this.setData({ gender });
      await this.loadCategories();
    }
  },

  // 切换性别
  switchGender: async function(e) {
    const { gender } = e.detail;
    this.setData({
      gender: gender,
      currentCategory: '',
      bookList: [],
      page: 1,
      hasMore: true
    });
    await this.loadCategories();
  },

  // 加载分类列表
  async loadCategories() {
    try {
      const channel = this.data.gender === 'male' ? "man" : "woman";
      const result = await getCategoryList(channel);
      
      if (result && Array.isArray(result)) {
        this.setData({
          categories: result,
          currentCategory: result[0]?.code || '',
          page: 1,
          hasMore: true
        });
        // 加载第一个分类的书籍
        if (result[0]?.code) {
          this.loadBookList(result[0].code);
        }
      }
    } catch (error) {
      console.error('加载分类失败:', error);
      wx.showToast({
        title: '加载分类失败',
        icon: 'none'
      });
    }
  },

  // 切换分类
  switchCategory: function(e) {
    const category = e.currentTarget.dataset.category;
    this.setData({
      currentCategory: category,
      bookList: [],
      page: 1,
      hasMore: true
    });
    this.loadBookList(category);
  },

  // 加载书籍列表
  async loadBookList(category) {
    if (this.data.loading) return;  // 只检查loading状态，移除hasMore检查

    this.setData({ loading: true });

    try {
      const params = {
        keyword: this.data.keyword,
        page: this.data.page,
        size: this.data.size,
        category: category
      };

      const result = await getNovelSearch(params);
      
      if (result && result.records) {
        const newList = this.data.page === 1 ? result.records : [...this.data.bookList, ...result.records];
        const hasMore = !result.last;
        
        this.setData({
          bookList: newList,
          loading: false,
          hasMore: hasMore,
          page: hasMore ? this.data.page + 1 : this.data.page
        });
      } else {
        this.setData({
          loading: false,
          hasMore: false
        });
      }
    } catch (error) {
      console.error('加载书籍列表失败:', error);
      this.setData({ 
        loading: false,
        hasMore: false
      });
      wx.showToast({
        title: '加载失败，请重试',
        icon: 'none'
      });
    }
  },

  // 监听滚动到底部
  onScrollToLower: function() {
    if (this.data.currentCategory && this.data.hasMore) {
      this.loadBookList(this.data.currentCategory);
    }
  },

  // 跳转到书籍详情
  handleBookTap: function(e) {
    const { id, wxbookid } = e.currentTarget.dataset;
    goToBookDetail({
      bookId: id,
      wxBookId: wxbookid
    });
  },

  // 跳转到搜索页面
  goToSearch: function(e) {
    // 如果有输入内容，则带上关键词
    const keyword = e.detail?.value || '';
    wx.navigateTo({
      url: `/pages/search/search?keyword=${encodeURIComponent(keyword)}`
    });
  }
})