pk8f3pmu2/miniprogram/pages/search/search.js

const app = getApp();
const typeMap = {
  shixun:{current:0, type:"shixun"},
  path: {current:1, type:"subject"},
  subject:{current:1, type:"subject"},
  course:{current:2, type:"course"}
}
Page({
  data: {
    keyword:"",
    list:[
      {text:"实训项目", type:"shixun"},
      {text:"实践课程", type:"subject"},
      {text:"教学课堂", type:"course"}
    ]
  },
  onTapNav({detail:{current, source , value}}){
    if(source!='touch') return;
    this.setData({current});
    this.options.type = value.type;
    this.search({refresh:1})
    .then(()=>{
      this.setData({scrollTop:0});
    });
  },
  onSubmit({detail:{value}}){
    this.options.keyword = value.keyword;
    this.search({refresh:1});
  },
  onConfirm({detail:{value}}){
    this.options.keyword = value;
    this.search({refresh:1});
  },
  search({refresh=0}={}){
    ;
    if(refresh==1)
      this.setData({loading:1});
    if(refresh){
      if(refresh==1){
          this.options.page = 1;
          var {options} = this;
      }else if(refresh==2){
        var {page,per_page,type, keyword} = this.options;
        var options = {page:1, per_page:page*per_page, type, keyword};
      }
    }else{
      this.options.page++;
      var {options} = this;
    }
    
    return app.api("search")(options)
    .then(res=>{
      let {results,count} = res;
      if(refresh==1&&results.length==0)
        wx.showToast({
          title: '没有找到相关内容',icon:"none"
        });
      if(!refresh)
        results = this.data.results.concat(results);
      this.setData({count, results, loading:0});
    })
    .catch(e=>{
      this.setData({loading:0});
    })
  },
  onLoad: function (options) {
    let {type:_type="shixun", keyword=""} = options;
    let {type, current} = typeMap[_type]||typeMap["shixun"];
    this.options = {page:1, per_page:20, type, keyword};
    this.search({ refresh: 1 });
    this.setData({keyword, current});
  },


  _onReachBottom: function () {
    this.search({refresh:0});
  },

  onShareAppMessage: function () {
    let {type="shixun",keyword=""} = this.options;
    return app.shareApp({
      path: `/pages/search/search?type=${type}&keyword=${keyword}`
    })
  }
})