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小程序如何进行数据筛选？

0

1

class="cursor-pointer"> 详细描述

class="cursor-pointer"> 截图

class="cursor-pointer"> 代码

html

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小程序中，或者说在平常的JS中，有没有办法赋予变量优先级

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1

小程序界面构建小程序语言基础

class="cursor-pointer"> 详细描述

class="cursor-pointer"> 截图

class="cursor-pointer"> 代码

 //是否使用免运费卷
  switch1: function (e) {
    let that = this;
    that.setData({
      isChecked1: e.detail.value
    })
    //检查全局变量中是否包含应付金额，如果没有则将获取到的应付金额放入全局变量，有则直接读取
    if (!app.globalData.price.really.base) {
      app.globalData.price.really.base = (Number(app.globalData.price.product) + Number(app.globalData.price.freight)).toFixed(2);
    }
    if (!app.globalData.price.really.pay) {
      app.globalData.price.really.pay = app.globalData.price.really.base;
    }
    let costPrice = (Number(app.globalData.price.product)).toFixed(2);
    let noCost = (Number(app.globalData.price.product) + Number(app.globalData.price.freight)).toFixed(2);
    if (that.data.isChecked1 == true) {
      app.globalData.price.used.freight = app.globalData.price.freight;
      that.setData({
        freefreight : true,
      })
    } else {
      app.globalData.price.used.freight = '0.00';
      that.setData({
        freefreight: false,
      })
    }
    that.really_pay();
    //检测余额已经抵押完应付金额，再使用免运费卷，致使应付金额小于0
    if (app.globalData.price.really.pay < 0 && app.globalData.price.used.balance > 0) {
      console.log('余额超值')
      app.globalData.price.really.pay = '0.00';
      app.globalData.price.used.balance = (Number(app.globalData.price.used.balance) - Number(app.globalData.price.used.freight)).toFixed(2);
      that.setData({
        reducebalance: app.globalData.price.used.balance
      })
    }
    //检测仅免运费卷、余额被勾选，然后 
    if (!that.data.isChecked1 && that.data.isChecked4 && !that.data.isChecked2 && !that.data.isChecked3 && app.globalData.price.used.balance > 0){
      app.globalData.price.really.pay = '0.00';
      app.globalData.price.used.balance = (Number(app.globalData.price.used.balance) + Number(app.globalData.price.freight)).toFixed(2);
      that.setData({
        reducebalance: app.globalData.price.used.balance
      })
      console.log(app.globalData)
    }
    if (app.globalData.price.really.pay < 0 && app.globalData.price.used.card > 0) {
      console.log('春播卡超额')
      app.globalData.price.really.pay = '0.00';
      app.globalData.price.used.card = (Number(app.globalData.price.used.card) - Number(app.globalData.price.used.freight)).toFixed(2);
      that.setData({
        reducePrice: app.globalData.price.used.card
      })
    }
    if (!that.data.isChecked1 && that.data.isChecked3 && app.globalData.price.used.card > 0) {
      app.globalData.price.really.pay = '0.00';
      app.globalData.price.used.card = (Number(app.globalData.price.used.card) + Number(app.globalData.price.freight)).toFixed(2);
      that.setData({
        reducePrice: app.globalData.price.used.card
      })
      console.log(app.globalData)
    }
    that.setData({
      richPrice: app.globalData.price.really.pay
    })
  },

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小程序，switch的value和样式如何跨DOM影响？

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1

小程序语言基础

class="cursor-pointer"> 详细描述

class="cursor-pointer"> 截图

class="cursor-pointer"> 代码

<view class='height-60 padding-tb-18 ' wx:if="{{points != 0}}">
    <text class="font-size-28 float-left font-color-333 padding-top-12">积分</text>
    <text class='font-size-24 float-left padding-top-14 font-color-666 padding-left-18' wx:if="{{!reducePoint}}">可用{{points}}积分</text>
    <text class='font-size-24 float-left padding-top-14 font-color-666 padding-left-18' wx:if="{{reducePoint}}">已抵<text style='color: #eb5e33;'>{{reducePoint}}</text>元</text> 
    <switch type='switch' class='switch-position float-right' bindchange="switch2" disabled="{{limit_points}}"></switch>
  </view>
  <view class='height-60 padding-tb-18 ' wx:if="{{card_balance != 0}}">
    <text class="font-size-28 float-left font-color-333 padding-top-12">春播卡</text>
    <text class='font-size-24 float-left padding-top-14 font-color-666 padding-left-18' wx:if="{{!reducePrice}}">可用{{card_balance}}元</text>
    <text class='font-size-24 float-left padding-top-14 font-color-666 padding-left-18' wx:if="{{reducePrice}}">已抵<text style='color: #eb5e33;'>{{reducePrice}}</text>元</text>    
    <switch type='switch' class='switch-position float-right' bindchange="switch3" disabled="{{limit_card}}"></switch>
  </view>
  <view class='height-60 padding-tb-18 ' wx:if="{{balance != 0}}">
    <text class="font-size-28 float-left font-color-333 padding-top-12">余额</text>
    <text class='font-size-24 float-left padding-top-14 font-color-666 padding-left-18' wx:if="{{!reducebalance}}">可用{{balance}}元</text>
    <text class='font-size-24 float-left padding-top-14 font-color-666 padding-left-18' wx:if="{{reducebalance}}">已抵<text style='color: #eb5e33;'>{{reducebalance}}</text>元</text>
    <switch type='switch' class='switch-position float-right' bindchange="switch4" disabled="{{limit_balance}}"></switch>
  </view>
</view>

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三元运算不是很懂

0

1

小程序语言基础

class="cursor-pointer"> 详细描述

class="cursor-pointer"> 截图

class="cursor-pointer"> 代码

   <view class='tittle '> 最适合你的职业推荐? </view>
  
  <view class="box"  wx:for="{{data}}">  
  <span class="banner   click" hidden="{{flag?true:false}}" bindtap="banner">{{item}}</span>
      </view>

    <view wx:if="true">
     <view class="content">
       <view>职业门槛</view>
       <view class="contright">1星</view>
     </view>

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小程序官方组件picker

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1

小程序语言基础

class="cursor-pointer"> 详细描述

class="cursor-pointer"> 截图

class="cursor-pointer"> 代码

<view class="weui-cell weui-cell_input">
      <view class="weui-cell__hd">
        <text class="weui-label" decode='{{true}}'>学    历:</text>
      </view>
      <view class="weui-cell__bd">
        <picker bindchange="bindPickerChange" value="{{index.eduindex}}" range="{{edu}}">
          <view class="weui-input">{{edu[index.eduindex]}}</view>
        </picker>
      </view>
    </view>

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微信小程序上面如何从storage内取值，渲染页面

0

1

小程序语言基础小程序界面构建

class="cursor-pointer"> 详细描述

class="cursor-pointer"> 截图

class="cursor-pointer"> 代码

  stop: function(e) {
    var that = this;
    var currentindex = that.data.currentindex;
    var currentId = that.data.currentId;
    var obj = that.data.obj;
    var messList = that.data.messList;
    recorderManager.stop();
    recorderManager.onStop((res) => {
      that.tempFilePath = res.tempFilePath;
      console.log('停止录音', res.tempFilePath)
      const {
        tempFilePath
      } = res;

      if (currentId == undefined) {
        currentId = messList[0].id + "",
          map.set(currentId, {
            studentmusic: that.tempFilePath,
            messCN: obj[currentId].messCN,
            messEN: obj[currentId].messEN
          });
      } else {
        map.set(currentId, {
          studentmusic: that.tempFilePath,
          messCN: obj[currentId].messCN,
          messEN: obj[currentId].messEN
        });
      }
      console.log(map)
      if (currentindex == undefined) {
        currentindex = 0;
        messList[currentindex].staues = true;
      } else {
        messList[currentindex].staues = true;
      }
      that.setData({
        messList: messList,
        map: map,
        onplay: true,
        isbeoad: 2,
        ontick: true,
      })
      if (messList.length == map.size) {
        that.setData({
          onload
        })
      }
      // 获取录音时长
      var one = (map.get(currentId).studentmusic).split("=")
      var two = one[1].split(".")
      var audiotime = two[0];
      console.log(audiotime)
      if (currentId == undefined) {
        currentId = messList[0].id + "",
          map.set(currentId, {
            id: currentId,
            studentmusic: that.tempFilePath,
            messCN: obj[currentId].messCN,
            messEN: obj[currentId].messEN,
            audiotime: audiotime
          });
      } else {
        map.set(currentId, {
          id: currentId,
          studentmusic: that.tempFilePath,
          messCN: obj[currentId].messCN,
          messEN: obj[currentId].messEN,
          audiotime: audiotime
        });
      }
      console.log(map)
      var objstroage = that.data.objstroage;

      //循环遍历map的value
      map.forEach(function(value, key) {
        console.log(value)
        objstroage = {
          key: key,
          value: value
        }
      });
      console.log(objstroage)
      wx.setStorage({
        key: "objstroage",
        data: objstroage,
      })
    })



  },

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app.vue中创建实例，报错vue is not defined

0

1

class="cursor-pointer"> 详细描述

class="cursor-pointer"> 截图

class="cursor-pointer"> 代码

<template>
  <div id="app">
    {{message}}
  </div> 
</template>

<script>
  new Vue({
    el:"#app",
    data:{
      message:'sss'
    }
  })
</script>

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如何将累加后的对象根据value来排序？

1

1

小程序语言基础

class="cursor-pointer"> 详细描述

class="cursor-pointer"> 截图

class="cursor-pointer"> 代码

console.log(this.data.score);
		//获取基础数据
		let baseScore = { 1: -1000, 2: 0, 3: 0, 4: 0, 5: 0, 6: 0, 7: 0, 8: 0, 9: 0, 10: -1000, 11: -1000, 12: 1 };
		console.log(baseScore);
		//数据求和
		this.data.score.forEach((val, index) => {
			let chooseScore = val.option[val.index];
			console.log(chooseScore);
			for (let baseItem in baseScore) {
				baseScore[baseItem] += chooseScore[baseItem];
			}
		});

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如何写出可以滑动切换的tab选项卡

0

1

小程序语言基础

class="cursor-pointer"> 详细描述

class="cursor-pointer"> 截图

class="cursor-pointer"> 代码

<view class="swiper-tab">
    <view wx:for="{{tabs}}" bindtap='swichNav' data-current="{{tab.id}}" wx:key='key' 
    wx:for-index="idx" wx:for-item="tab" class="swiper-tab-list {{currentTab == tab.id ? 'on' : ''}}">
        {{tab.name}}
    </view>
</view>

该问题已被官方收录

发起request请求的时候报错域名非法

1

1

小程序网络请求

class="cursor-pointer"> 详细描述

class="cursor-pointer"> 截图

class="cursor-pointer"> 代码

wx.navigateTo({
      url: '../profession/profession',
    }),
    wx.request({
      url: 'http://www.jnshu.com/a/occupation/list',
      success: function(res) {
        console.log(res.data)
      }
    })

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