fohow_xcx/pages/projects/projects.js

var _request = require('../../utils/request.js')
Page({
  data: {
    projects_page: 1,
    projects_per_page: 5,
    projects_more: true,
    projects_change: false,
    projects: [],
    vershow: true,
    navData:[],
    currentTab: 0,
    navScrollLeft: 0,
    balance: 0,
    todaysend: Date.parse(new Date()) / 1000,
	searchword:'',
	
	statusBarHeight:20,
	navBarHeight:45,
	windowWidth:375,
	word:'',
	price_sort:0,
	sale_sort:0,
	
	selectShow: false,//控制下拉列表的显示隐藏，false隐藏、true显示
	selectData: [],//下拉列表的数据
	index: 0,//选择的下拉列表下标
  },
  onLoad: function (options) {
	  const info = wx.getSystemInfoSync();
	  console.log('info',info);
	  this.setData({
	  		statusBarHeight:info.statusBarHeight
	  })
	  
	  this.getData()
    this.getBalanceInfo()
    this.setData({
      vershow: getApp().globalData.vershow,
      currentTab:options.currentTab ? options.currentTab : 0,
	  searchword:options.searchword ? options.searchword : ''
      // currentTab: getApp().globalData.isshow
    })
    if (getApp().globalData.isupdate == true) {
      this.getType()
    }
    wx.getSystemInfo({
      success: (res) => {
        this.setData({
          windowWidth: res.windowWidth
        })
      }
    })
  },
  onShow: function () {
    if (getApp().globalData.isshow) {
      this.setData({
        currentTab: getApp().globalData.isshow,
        projects_more: true,
        projects_page: 1,
        projects_change: true,
      })
      this.getType()
    }
  },
  onUnload: function () {
    getApp().globalData.isshow = ''
    // this.setData({
    //   currentTab: 0,
    // })
  },
  onHide: function () {
    getApp().globalData.isshow = ''
    // this.setData({
    //   currentTab: 0,
    // })
  },
  onPullDownRefresh: function () {
    this.setData({
      projects_more: true,
      projects_page: 1,
      projects_change: true
    })
    this.getProjects()
    wx.stopPullDownRefresh()
  },
  onReachBottom: function () {
    if (this.data.projects_more) {
      var page = this.data.projects_page + 1
      this.setData({
        projects_page: page
      })
      this.getProjects()
    }
  },
  getData: function () {
    var that = this
    var url = 'v1/product/commend_words'
  	var params = {}
    var success = function (res) {
      console.log('res',res.data.list);
  	  that.setData({
  		  word:res.data.list[0].title
  	  })
  	  
    }
    _request.$get(url, params, success)
  },
  getType: function () {
    var that = this
    var url = 'v1/product/cats'
    var params = {}
    var success = function (res) {
      that.setData({
        navData: res.data
      })
      that.getProjects()
    }
    _request.$get(url, params, success)
  },
  getProjects: function () {
    var id = this.data.navData[this.data.currentTab].id
    if (!this.data.vershow) {
      id = 3
    }
    var that = this
	
    var url = 'v1/cat/' + id + '/products'
	if(that.data.searchword){
		var params = {
		  page: this.data.projects_page,
		  per_page: this.data.projects_per_page,
		  words:this.data.searchword,
		  price_sort:this.data.price_sort,
		  sale_sort:this.data.sale_sort
		}
	}else{
		var params = {
		  page: this.data.projects_page,
		  per_page: this.data.projects_per_page,
		  price_sort:this.data.price_sort,
		  sale_sort:this.data.sale_sort
		}
	}
    
    var success = function (res) {
      if (that.data.projects_change) {
        that.setData({
          projects: [],
          projects_change: false
        })
      }
      var result = that.data.projects.concat(res.data.list || [])
      that.setData({
        projects: result
      })
      var listMore = res.data.list_count > that.data.projects.length
      that.setData({
        projects_more: listMore
      })
    }
    _request.$get(url, params, success)
  },
  toProject: function (val) {
    var id = val.currentTarget.dataset.val
    wx.navigateTo({
      url: '/pages/projects/project-detail/project-detail?id=' + id
    })
  },
  switchNav(event){
    var cur = event.currentTarget.dataset.current
    var singleNavWidth = this.data.windowWidth / 5
    this.setData({
        navScrollLeft: (cur - 2) * singleNavWidth
    })
    if (this.data.currentTab == cur) {
      return false
    } else {
      this.setData({
        currentTab: cur,
        projects_more: true,
        projects_page: 1,
        projects_change: true
      })
      this.getProjects()
    }
  },
  getBalanceInfo () {
    var that = this
    var url = 'v1/user/balance/info'
    var params = {
    }
    var success = function (res) {
      var result = res.data.total
      that.setData({
        balance: result
      })
    }
    _request.$get(url, params, success)
  },
  onShareAppMessage: function (val) {
    return _request.share({
      // path: '/pages/start/start?url=pages/projects/projects',
      sc: 'xcx_products'
    })
  },
  tosearch: function (val) {
    var id = val.currentTarget.dataset.val;
    wx.navigateTo({
      url: '/pages/search/search'
    })
  },
  
  sortchangenormal(){
  	this.setData({
  		projects_page: 1,
  		projects_per_page: 5,
  		projects_more: true,
  		projects_change: false,
  		projects: [],
  		price_sort:0,
  		sale_sort:0
  	})
  	this.getProjects()
  },
  salesort(){
  	var type = this.data.sale_sort+1;
  	if(type>2) type = 0;
  	this.setData({
  		projects_page: 1,
  		projects_per_page: 5,
  		projects_more: true,
  		projects_change: false,
  		projects: [],
  		sale_sort:type,
  	})
  	this.getProjects()
  },
  pricesort(e){
  	var type = this.data.price_sort+1;
  	if(type>2) type = 0;
  	this.setData({
		projects_page: 1,
		projects_per_page: 5,
		projects_more: true,
		projects_change: false,
		projects: [],
  		price_sort:type,
  	})
  	this.getProjects()
  },
  // 点击下拉显示框
    selectTap() {
      this.setData({
        selectShow: !this.data.selectShow
      });
    },
    // 点击下拉列表
    optionTap(e) {
		var cur = e.currentTarget.dataset.current;
		if (this.data.currentTab == cur) {
		  return false
		} else {
		  this.setData({
		    currentTab: cur,
		    projects_more: true,
		    projects_page: 1,
		    projects_change: true,
			selectShow: !this.data.selectShow,
		  })
		  this.getProjects()
		}
    },
	closeselect(){
		this.setData({
		  selectShow: false
		});
	}
})