cf-wx-app/src/pages/myNeeds/myNeeds.js

//myNeeds
import Taro, { Component } from '@tarojs/taro'
import { View, Text, Button } from '@tarojs/components'
import { AtInput, Picker, AtIcon, AtModal, AtModalHeader, AtModalContent, AtModalAction } from 'taro-ui'
import URL from '../../serviceAPI.config'
import ScrollToTopComponent from '../../component/scrollToTopComponent/scrollToTopComponent'
import InteractionComponent from '../../component/interactionComponent/interactionComponent'
import CopyrightComponent from '../../component/copyrightComponent/copyrightComponent'
import LoginService from '../../util/LoginService'

import './myNeeds.scss'
import loginExpired from '../../util/loginExpired';

class MyNeeds extends Component {

  config = {
    navigationBarTitleText: '我的需求'
  }
  constructor() {
    super(...arguments)
    this.state = {
      title: '',
      startDateSel: '',
      endDateSel: '',
      industryTypeSelected: { name: '全部', id: '' },
      needsType: [{ name: '业主需求', id: '4' }, { name: '效果图', id: '5' }],
      needsTypeSelected: { name: '业主需求', id: '4' },
      needsState: [
        { name: '全部', id: '' },
        { name: '作废', id: '0' }
        , { name: '在用', id: '1' },
        { name: '已抢单', id: '2' },
        { name: '已抢光', id: '3' }],
      needsStateSelected: { name: '全部', id: '' },
      pageCount: 10,// 列表数量
      allNeedsList: [],// 我的需求列表
      totalNeeds: 0,// 我的需求数量
      currentPage: 1,
      needsItem: '',// 确认框提示时 使用的供求名
      isDeleteModal: false,// 删除提示框
      isAddToList: false,// 请求需求的时候是否添加到旧列表里
      isShowTopNav: false,// 是否显示返回顶部按钮
      loadMorePageIndex: 1,// 上拉加载页面数
    }
  }


  //请求我的需求列表 api GetMyNeedsList
  getMyNeedsList({
    curr_page = this.state.currentPage,
    page_count = this.state.pageCount,
    sd_type = this.state.needsTypeSelected.id,
    sd_title = this.state.title,
    update_dateL = this.state.startDateSel,
    update_dateU = this.state.endDateSel,
    class_id = this.state.industryTypeSelected.id,
    state = this.state.needsStateSelected.id
  }) {
    //由于后台返回的问题， 所有当state为空的时候不传state，反之传state
    const param = state ? {
      param: JSON.stringify({
        curr_page: curr_page,
        page_count: page_count,
        sd_type: sd_type,
        sd_title: sd_title,
        update_dateL: update_dateL,
        update_dateU: update_dateU,
        class_id: class_id,
        state: state
      })
    } : {
        param: JSON.stringify({
          curr_page: curr_page,
          page_count: page_count,
          sd_type: sd_type,
          sd_title: sd_title,
          update_dateL: update_dateL,
          update_dateU: update_dateU,
          class_id: class_id,
        })
      }

    Taro.request({
      url: URL.GetMyNeedsList,
      method: 'POST',
      dataType: 'json',
      data: param,
      header: {
        'Cookie': 'PFWSSS=' + Taro.getStorageSync('session_id'),
        'content-type': 'application/x-www-form-urlencoded',
        'X-Requested-With': 'XMLHttpRequest'
      }
    }).then(res => {
      Taro.hideLoading()
      console.log('我的需求列表', res)
      if (res.data.err_code === 0) {
        if (res.data.supplys) { // 查看res.data 里面是否有supplys 这个key
          if (this.state.isAddToList) { // 如果是上拉
            this.setState({
              allNeedsList: this.state.allNeedsList.concat(res.data.supplys)
            }, () => {
              this.setState({ isAddToList: false })
            })
          } else {
            this.setState({ isAddToList: false })
            this.setState({
              allNeedsList: res.data.supplys,
              totalNeeds: Number(res.data.count)
            })
          }
        } else {
          if (this.state.isAddToList) {
            this.setState({ isAddToList: false })
            Taro.showToast({
              title: '没有更多了',
              icon: 'none'
            })
          } else {
            this.setState({ allNeedsList: [], totalNeeds: 0 })
          }

        }
      } else if (JSON.parse(res.data).err_code === 88888) {
        const response={data:JSON.parse(res.data)}
        loginExpired(response)

      }
      else {

        Taro.showToast({
          title: res.data.err_msg,
          icon: 'none'
        })


      }
    })

  }
  //删除我的需求 api DeleteMyNeeds
  deleteMyNeeds({ demandId = 10 }) {
    Taro.request({
      url: URL.DeleteMyNeeds,
      method: 'POST',
      dataType: 'json',
      data: {

        demandId: demandId

      },
      header: {
        'Cookie': 'PFWSSS=' + Taro.getStorageSync('session_id'),
        'content-type': 'application/x-www-form-urlencoded',
        'X-Requested-With': 'XMLHttpRequest'
      }
    }).then(res => {
      console.log('删除我的列表', res)
      if (res.data.err_code === 0) {
        Taro.showToast({
          title: '删除成功',
          icon: 'success',
          duration: 1500
        })
        setTimeout(() => {
          this.getMyNeedsList({
          })
        }, 1500);
      } else if (res.data.err_code === 88888) {
        loginExpired(res)
      } else {
        Taro.showToast({
          title: res.data.err_msg,
          icon: 'none',
          duration: 1500
        })
      }
    })

  }




  // 搜索按钮
  onSearchButtonHandler() {
    Taro.showLoading({ title: '加载中' }).then(() => {
      this.setState({ currentPage: 1, loadMorePageIndex: 1 }, () => {
        this.getMyNeedsList({
          curr_page: this.state.currentPage,
          page_count: this.state.pageCount,
          sd_type: this.state.needsTypeSelected.id,
          sd_title: this.state.title,
          update_dateL: this.state.startDateSel,
          update_dateU: this.state.endDateSel,
          class_id: this.state.industryTypeSelected.id === '-1' ? '' : this.state.industryTypeSelected.id,
          state: this.state.needsStateSelected.id
        })
      })
    })

  }
  // 新增我的需求
  addNeeds() {
    Taro.navigateTo({
      url: '/pages/myNeedsPublish/myNeedsPublish'
    })
  }
  //清空筛选项
  emptyFilter() {
    this.setState({
      title: '',
      endDateSel: '',
      startDateSel: '',
      industryTypeSelected: { name: '全部', id: '' },
      needsTypeSelected: { name: '业主需求', id: '4' },
      needsStateSelected: { name: '全部', id: '' },
      currentPage: 1,
      loadMorePageIndex: 1,
    }, () => {
      this.getMyNeedsList({})
    })
    Taro.showToast({
      title: '已清空',
      icon: 'success',
      duration: 1000
    })
  }
  titleChange(event) {
    this.setState({ title: event })
  }
  // 修改开始日期
  onStartDateChange = e => {
    this.setState({
      startDateSel: e.detail.value
    })
  }
  // 修改结束日期
  onEndDateChange = e => {
    this.setState({
      endDateSel: e.detail.value
    })
  }

  needsTypeChange = e => {
    this.setState({
      needsTypeSelected: this.state.needsType[e.detail.value]
    })
  }
  needsStateChange = e => {
    this.setState({
      needsStateSelected: this.state.needsState[e.detail.value]
    })
  }
  goToMyNeedsViewPage(Id) {
    Taro.navigateTo({
      url: '/pages/grabOrderPage/grabOrderPage?orderId=' + Id
    })

  }
  goToMyNeedsEditPage(id) {
    Taro.navigateTo({
      url: '/pages/myNeedsEdit/myNeedsEdit?id=' + id
    })
  }
  deleteButton(item) {
    this.setState({ isDeleteModal: true, needsItem: item })
  }
  handleWindowModCancel() {
    this.setState({ isDeleteModal: false })
  }
  handleWindowConfirm() {
    this.setState({ isDeleteModal: false })
    this.deleteMyNeeds({ demandId: this.state.needsItem.sd_id })
  }





  componentDidMount() {
    Taro.showLoading({
      title: '加载中'
    })
    this.getMyNeedsList({})

  }
  componentWillReceiveProps(nextProps) {
    console.log(this.props, nextProps)
  }

  componentWillUnmount() { }

  componentDidShow() {
    if (!Taro.getStorageSync('userInfo').user_id) {
      LoginService()
      return
    }
  }

  componentDidHide() { }

  // 页面位置
  onPageScroll(location) {
    if (location.scrollTop <= 300 && this.state.isShowTopNav) {
      this.setState({ isShowTopNav: false })
    } else if (location.scrollTop > 300 && !this.state.isShowTopNav) {
      this.setState({ isShowTopNav: true })
    }
  }
  // 底部加载
  onReachBottom() {
    Taro.showLoading({
      title: '加载中'
    })
    this.setState({ isAddToList: true, loadMorePageIndex: this.state.loadMorePageIndex + 1 }, () => {
      this.getMyNeedsList({ curr_page: this.state.loadMorePageIndex })
    })
  }
  getDataFromChild(value) {
    console.log('从子组件传回来的值', value)
    this.setState({ industryTypeSelected: value })
  }
  render() {
    const myNeedsListArrayElement = this.state.allNeedsList.map((item, index) => {
      return <View className='needs-box' key={index}>
        <View className='industy-type box'>
          <Text className='title'>行业分类：</Text>
          <Text className='content'>{item.class_name}</Text>

        </View>
        <View className='needs-title box'>
          <Text className='title'>需求标题：</Text>
          <Text className='content' onClick={this.state.goToMyNeedsViewPage.bind(this, item.sd_id)}>{item.sd_title}</Text>
        </View>
        <View className='needs-state box'>
          <Text className='title'>需求状态：</Text>
          <Text className='content'>{item.state_name}</Text>
        </View>
        <View className='update-time box'>
          <Text className='title'>更新时间：</Text>
          <Text className='content'>{item.update_date}</Text>
        </View>
        {item.state === '0' || item.state === '1' ? <View className='info-button-box'>
          <View className='button' onClick={this.goToMyNeedsViewPage.bind(this, item.sd_id)}>
            <Button size='mini' className='button-orange  button-no-margin'>查看</Button>
          </View>
          <View className='button' onClick={this.goToMyNeedsEditPage.bind(this, item.sd_id)}>
            <Button size='mini' className='button-orange button-no-margin'>编辑</Button>
          </View>
          <View className='button' onClick={this.deleteButton.bind(this, item)}>
            <Button size='mini' className='button-dark-red button-no-margin' >删除</Button>
          </View>
        </View > : <View className='info-button-box'>
            <View className='button' onClick={this.goToMyNeedsViewPage.bind(this, item.sd_id)}>
              <Button size='mini' className='button-orange button-no-margin'>查看</Button>
            </View>
          </View>
        }

      </View>
    })
    const deleteModalWindowElement = <AtModal isOpened={this.state.isDeleteModal}>
      <AtModalHeader>提示</AtModalHeader>
      <AtModalContent>
        确认删除{this.state.needsItem.sd_title}？
    </AtModalContent>
      <AtModalAction>  <Button onClick={this.handleWindowModCancel.bind(this)}>取消</Button> <Button className='orange' onClick={this.handleWindowConfirm.bind(this)}>确定</Button>  </AtModalAction>
    </AtModal>
    return (
      <View className='myNeeds'>
        {/* 删除模态框 */}
        {deleteModalWindowElement}
        {/* 需求标题 */}
        <View className='input-box'>
          <AtInput
            name='value'
            title='需求标题：'
            placeholder='需求标题·'
            type='text'
            value={this.state.title}
            onChange={this.titleChange.bind(this)}
          />
        </View>
        {/* 开始和结束日期 */}
        <View className='page-section'>
          <View className='picker-box'>
            <Picker mode='date' className='picker-container' onChange={this.onStartDateChange}>
              <View className='picker'>
                <View className='title-box'>
                  开始日期:<Text className='selected date'>{this.state.startDateSel}</Text>
                </View>

              </View>
            </Picker>
            <Picker className='picker-container' mode='date' start={this.state.startDateSel} onChange={this.onEndDateChange}>
              <View className='picker'>
                <View className='title-box'>
                  结束日期: <Text className='selected date'>{this.state.endDateSel}</Text>
                </View>
              </View>
            </Picker>

          </View>
        </View>
        {/* 行业分类开始 */}
        <InteractionComponent url={URL.GetIndustryTypeList} onPassDataToChild={this.getDataFromChild.bind(this)} selectedValue={this.state.industryTypeSelected}></InteractionComponent>
        {/* 行业分类结束 */}
        {/* 需求类型 */}
        <View className='page-section'>
          <View>
            <Picker mode='selector' rangeKey='name' range={this.state.needsType} onChange={this.needsTypeChange.bind(this)}>
              <View className='picker'>
                <View className='title-box'>
                  <Text className='title'>需求类型:</Text> <Text className='selected'>{this.state.needsTypeSelected.name}</Text>
                </View>
              </View>
            </Picker>
          </View>
        </View>
        {/* 需求状态 */}
        <View className='page-section'>

          <View>
            <Picker mode='selector' rangeKey='name' range={this.state.needsState} onChange={this.needsStateChange.bind(this)}>
              <View className='picker'>
                <View className='title-box'>
                  <Text className='title'> 需求状态:</Text> <Text className='selected'>{this.state.needsStateSelected.name}</Text>
                </View>

              </View>
            </Picker>
          </View>
        </View>



        <View className='button-box'>
          <View className='button' onClick={this.onSearchButtonHandler.bind(this)}>
            <Button size='mini' className='button-orange'>
              <AtIcon value='search' size='12' color='white'></AtIcon>
              搜索</Button>
          </View>
          <View className='button' onClick={this.addNeeds.bind(this)}>
            <Button size='mini' className='button-green'>
              <AtIcon value='add' size='12' color='white'></AtIcon>
              新增</Button>
          </View>
          <View className='button' onClick={this.emptyFilter.bind(this)}>
            <Button size='mini' className='button-dark-red'>
              <AtIcon value='trash' size='12' color='white'></AtIcon>
              清空</Button>
          </View>
        </View>
        <View className='total'>
          共<Text className='count'>{this.state.totalNeeds}</Text> 条记录
        </View>
        {/* 我的需求信息 */}
        {<View className='info-box'>
          {this.state.allNeedsList.length ? myNeedsListArrayElement : <View className='no-more-title'>没有更多了</View>}
        </View>}

        {this.state.isShowTopNav ? <ScrollToTopComponent ></ScrollToTopComponent> : null}

        <CopyrightComponent ></CopyrightComponent>

      </View>
    )
  }
}

export default MyNeeds