1. 微信小程序开发,诗词鉴赏app(一): https://blog.csdn.net/jky_yihuangxing/article/details/143501681
  2. 微信小程序开发,诗词鉴赏app,诗词推荐实现(二):https://blog.csdn.net/jky_yihuangxing/article/details/143562367
  3. 微信小程序开发,诗词鉴赏app,诗词搜索实现(三):https://blog.csdn.net/jky_yihuangxing/article/details/143566194
  4. 微信小程序开发,诗词鉴赏app,朝代分类实现(四):https://blog.csdn.net/jky_yihuangxing/article/details/143672951

1. 涉及到的知识点

  1. 使用scroll-view实现左右滑动
  2. 使用 wx.request获取服务端数据

2. 官网文档教程

  1. scroll-view :https://developers.weixin.qq.com/miniprogram/dev/component/scroll-view.html

  2. wx.request :https://developers.weixin.qq.com/miniprogram/dev/api/network/request/wx.request.html

3. 代码实现过程

  1. 编写poetry.wxml布局文件
<!--pages/poetry/poetry.wxml-->
<navigation-bar title="诗词库" back="{{false}}" color="#ffffff" background="#e6142c"></navigation-bar>

<!-- 朝代分类 -->
<scroll-view class="scroll-x" scroll-x enable-flex style="flex-direction: row;">
  <block wx:for="{{categoryList}}" wx:key="*this">
    <text bind:tap="onItemClickHandle" data-position="{{index}}" class="{{currentIndex===index? 'activites' : 'normal'}}">{{item.category_name}}</text>
  </block>

</scroll-view>

<scroll-view class="scrollarea" scroll-y type="list">
  <block wx:for="{{poetryList}}"  wx:key="{{item.poetry_id}}">
    <view  bind:tap="onItemHandle" data-item="{{item}}" >
      <poetry-item
       avatarUrl="{{item.author_avatar}}"
       title ="{{item.title}}"
       author ="{{item.dynasty}} : {{item.author}}"
       content ="{{item.content}}"
       >
      </poetry-item>
    </view>
  </block>
</scroll-view>
  1. 编写poetry.wxss样式文件

/* pages/poetry/poetry.wxss */

page {
  height: 100vh;
  display: flex;
  flex-direction: column;
}

.scrollarea {
  flex: 1;
  overflow-y: hidden;
}

.scroll-x {
  width: 100%;
  white-space: nowrap;
  height: 100rpx;
  flex-direction: row;
  box-shadow: 2px 2px 5px rgba(0, 0, 0, 0.1);

}

.scroll-x .activites {
  line-height: 100rpx;
  margin-left: 20rpx;
  margin-right: 20rpx;
  padding-bottom: 6rpx;
  border-bottom: 6rpx solid #e6142c;
  color: #e6142c;

}

.scroll-x .normal {
  line-height: 80rpx;
  margin-left: 20rpx;
  margin-right: 20rpx;
  padding-bottom: 6rpx;
  border-bottom: 6rpx solid #ffffff;
  color: #999999;
  font-size: 30rpx;
}

  1. 编写poetry.js 逻辑实现

  /**
 * 获取对应朝代的诗词
 */
  async queryPoetryListByCategory(dynasty) {
    const res = await http.get("/queryPoetryListByCategory",
      { dynasty: dynasty })
    this.setData({
      poetryList: res.data.data.list
    })
  },


  /**
   * 获取朝代分类
   */
  async queryCategoryList() {
    const res = await http.get("/queryCategoryList")
    this.setData({
      categoryList: res.data.data.list
    })


  },

温馨提示:http.get封装的wx.request请求 ,这里不展开细说,因为这里还涉及到服务端接口API的实现

// pages/poetry/poetry.js

//导入网络模块
import http from '../../net/http'

Page({

  /**
   * 页面的初始数据
   */
  data: {
    currentIndex: 0,
    categoryList: [],
    poetryList: [],
    category: ""
  },

  /**
   * 生命周期函数--监听页面加载
   */
  onLoad(options) {

    //获取朝代分类
    this.queryCategoryList()


    //获取对应朝代的诗词
    this.queryPoetryListByCategory(this.data.category)

  },

  /**
   * 获取朝代分类
   */
  async queryCategoryList() {
    const res = await http.get("/queryCategoryList")
    this.setData({
      categoryList: res.data.data.list
    })


  },


  /**
 * 获取对应朝代的诗词
 */
  async queryPoetryListByCategory(dynasty) {
    const res = await http.get("/queryPoetryListByCategory",
      { dynasty: dynasty })
    this.setData({
      poetryList: res.data.data.list
    })
  },





  //分类点击事件
  onItemClickHandle(options) {
    const index = options.currentTarget.dataset.position;
    console.log(this.data.categoryList[index].category_name)
    this.setData({
      currentIndex: index,
      //设置当前点击的是哪个朝代
      category: this.data.categoryList[index].category_name == "全部" ? '' : this.data.categoryList[index].category_name
    })

    //调用获取朝代诗词
    this.queryPoetryListByCategory(this.data.category)
  },

  //跳转到详情页
  onItemHandle(options) {
    const itemStr =   JSON.stringify(options.currentTarget.dataset.item)
    wx.navigateTo({
      url: '/pages/details/details?itemStr='+itemStr
    })
  },

  /**
   * 生命周期函数--监听页面初次渲染完成
   */
  onReady() {

  },

  /**
   * 生命周期函数--监听页面显示
   */
  onShow() {

  },

  /**
   * 生命周期函数--监听页面隐藏
   */
  onHide() {

  },

  /**
   * 生命周期函数--监听页面卸载
   */
  onUnload() {

  },

  /**
   * 页面相关事件处理函数--监听用户下拉动作
   */
  onPullDownRefresh() {

  },

  /**
   * 页面上拉触底事件的处理函数
   */
  onReachBottom() {

  },

  /**
   * 用户点击右上角分享
   */
  onShareAppMessage() {

  }
})

4. 运行效果图

在这里插入图片描述

5. 关于本人其它项目的介绍

本人在b站录制的一些视频教程项目,免费供大家学习

  1. Android新闻资讯app实战:https://www.bilibili.com/video/BV1CA1vYoEad/?vd_source=984bb03f768809c7d33f20179343d8c8
  2. Androidstudio开发购物商城实战:https://www.bilibili.com/video/BV1PjHfeXE8U/?vd_source=984bb03f768809c7d33f20179343d8c8
  3. Android开发备忘录记事本实战:https://www.bilibili.com/video/BV1FJ4m1u76G?vd_source=984bb03f768809c7d33f20179343d8c8&spm_id_from=333.788.videopod.sections

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