微信小程序项目实例——心情记事本

项目代码见文字底部，点赞关注有惊喜

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一、项目展示

心情记事本是一款可以记录当前心情和生活的记事本
用户可以选择当前的心情（开心、平淡、伤心）和表情
并结合自己想要描述的文字
就可以记录当前的心情了

为了更好的展现用户的心情
项目罗列了大量的精美表情
缩略图如下：

项目的展示图如下：

二、首页

首页主要由日历组件和自制的记录组件结合而成

主要代码如下：

<view class="container">
    <view class="title">
        <view class="left-arrow" bindtap="prev_month"> <image src="/asset/images/left-arrow.svg" class="arrow"></image> </view>
        <picker mode="date" value="{{date}}" fields="month" start="{{start_date}}" end="{{end_date}}" bindchange="select_date">
            <view class="date-picker"> {{now_date}} </view>
        </picker>
        <view class="right-arrow" bindtap="next_month"> <image src="/asset/images/right-arrow.svg" class="arrow"></image> </view>
    </view>
    <view class="divider-box">
        <image src="/asset/images/divider.svg" class="divider"></image>
    </view>
    <view class="calender">
        <view class="calender-header">
            <image src="/asset/images/SUN.svg" class="week-item"></image>
            <image src="/asset/images/MON.svg" class="week-item"></image>
            <image src="/asset/images/TUE.svg" class="week-item"></image>
            <image src="/asset/images/WED.svg" class="week-item"></image>
            <image src="/asset/images/THU.svg" class="week-item"></image>
            <image src="/asset/images/FRI.svg" class="week-item"></image>
            <image src="/asset/images/SAT.svg" class="week-item"></image>
        </view>
        <view class="calender-body">
            <block wx:for="{{ date_arr }}" wx:key="key">
                <view class="date-item date-enabled-{{item.enabled}} date-today-{{item.today}} ">
                    <span>{{item.date}}</span>
                    <block wx:if="{{item.emotion_value}}">
                        <image src="/asset/images/circle-{{item.emotion_value}}.svg" class="circle"></image>
                    </block>
                </view>
            </block>

        </view>
    </view>

    <view class="diary">
        <view wx:for="{{ items }}" wx:key="{{key}}">
            <view class="diary-item" key="{{key}}" bindtap="detail" data-key="{{ item.key }}">
                <view class="diary-date">
                    <view class="date">{{ item.value['date']}}</view>
                    <view class="day">{{ item.value['week']}}</view>
                </view>
                <image src="/asset/images/virtical-divider.svg" class="virtical-divider"></image>
                <view class="emoji">
                    <image src="/asset/emojis/{{ item.value['emoji_type']}}.svg" class="emoji-image"></image>
                </view>
                <image src="/asset/images/virtical-divider.svg" class="virtical-divider"></image>
                <view class="text">{{ item.value['text'] }}</view>
                <image class="more-arrow" src="/asset/images/more-arrow.svg"></image>
            </view>
        </view>


    </view>
</view>
<image src="/asset/images/add-button.svg" class="add-button" bindtap="blank_modal"></image>
<view class="cover" wx:if="{{modal_visiable}}" bindtap="cancle"></view>
<view class="modal ripple bounceInDown" wx:if="{{modal_visiable}}">
    <view class="create-box">
        <image src="/asset/images/close-button.svg" class="close-button" bindtap="cancle"></image>
        <image src="/asset/emojis/{{ emoji_indicator }}.svg" class="emoji-image"></image>
        <view class="emoji-select-box">
            <picker-view indicator-style="height: 50px;" value="{{ emoji_defaul_value }}" class="emoji-picker" bindchange="select_emoji">
                <picker-view-column>
                    <view style="line-height: 50px; color: #797979">伤心的表情</view>
                    <view style="line-height: 50px; color: #797979">开心的表情</view>
                    <view style="line-height: 50px; color: #797979">平淡的表情</view>
                </picker-view-column>
                <picker-view-column>
                    <view wx:for="{{ emoji_list }}" wx:key="key">
                        <image src="/asset/emojis/{{ item }}.svg" style="height: 100%; width: 100rpx;"></image>
                    </view>
                </picker-view-column>
            </picker-view>
        </view>
        <block wx:if="{{ is_newbee }}">
            <textarea placeholder="选择表达今天心情的emoji, 或者在此写点文字, enjoy ~ ~" value="{{ text }}" bindinput="input"  placeholder-style="color:#9B9B9B;font-size:26rpx;line-height:46rpx" class="text"/>
        </block>
        <block wx:else>
            <textarea placeholder="写点什么,当然你也可以什么都不写" value="{{ text }}" bindinput="input"  placeholder-style="color:#9B9B9B;font-size:26rpx;" class="text"/>
        </block>
        <view class="button-box">
            <block wx:if="{{ delete_button_visiable}}">
                <view class="delete-button" bindtap="delete" style="visibility: show">删除</view>
            </block>
            <block wx:else>
                <view class="delete-button" bindtap="delete" style="visibility: hidden">删除</view>
            </block>
            <view class="submit-button" bindtap="save">保存</view>
        </view>
    </view>
</view>

let app = getApp()
let util = require('../../utils/util.js')
let date_formater = require('../../utils/date_formater.js')
let storage = require('../../utils/data_storage.js')


Page({
    data: {
        'date_arr': [],
        'now_date': '2017-04-11',
        'start_date': '2015-04-11',
        'end_date': '2019-04-11',
        'date': '',
        'year': 0,
        'month': 0,
        'items': [],
        'modal_visiable': false,
        'emoji_list': [],
        'emoji_indicator': 'face-with-stuck-out-tongue-and-winking-eye',
        'emoji_defaul_value': [1, 1],
        'text': '',
        'item_key': '', //当前条目的key
        'delete_button_visiable': false ,//modal中的删除按钮是否可见
        'is_newbee': false // 是不是第一次使用
    },
    // 初始化页面数据
    page_init: function(year, month) {
        console.log(year + '-' + month + ' data had initialized')

        let data = util.get_date(year, month)

        let emojis = util.get_emojis()
        this.setData({
            'date_arr': data,
            'now_date': date_formater.format_month(month) + ' ' +year,
            'date': year + '-' + date_formater.add_date_prefix(month + 1) + '-01',
            'year': year,
            'month': month,
            'start_date': year - 2 + '-' + date_formater.add_date_prefix(month + 1) + '-01',
            'end_date': year + 2 + '-' + date_formater.add_date_prefix(month + 1) + '-01',
            'items': storage.all(year, month),
            'emoji_list': emojis['positive'],
        })

    },

    onLoad: function() {
        let date = new Date()
        let year = date.getFullYear()
        let month = date.getMonth()
        let emojis = util.get_emojis()

        this.page_init(year, month)
        // let is_newbee = util.is_newbee()
        let is_newbee = false
        if(is_newbee) {
            this.blank_modal()
        }
        this.setData({
            'is_newbee': is_newbee
        })
    },

    
    select_date: function(e) {
        let date_str = e.detail.value
        let date_arr = date_str.split('-')
        let year = parseInt(date_arr[0])
        let month = parseInt(date_arr[1]) - 1
    
        this.page_init(year, month)
    },

    prev_month: function() {
        let year = this.data.year
        let month = this.data.month

        if (month - 1 < 0) {
            year = year - 1
            month = 11
        } else {
            month = month - 1
        }

        this.page_init(year, month)
    },

    next_month: function() {
        let year = this.data.year
        let month = this.data.month

        if (month + 1 > 11) {
            year = year + 1
            month = 0
        } else {
            month = month + 1
        }

        this.page_init(year, month)
    },

    modal: function() {
        this.setData({
            'modal_visiable': true,
            'delete_button_visiable': true
        })
    },

    blank_modal: function() {
        this.setData({
            'modal_visiable': true,
            'emoji_indicator': 'face-with-stuck-out-tongue-and-winking-eye',
            'emoji_defaul_value': [1, 1],
            'text': '',
            'delete_button_visiable': false
        })

    },

    select_emoji: function(e) {
        var val = e.detail.value
        let emoji_type = val[0]
        let emoji_index = val[1]
        let emojis = util.get_emojis()
        var emoji_list = []

        if(emoji_type == 0) {
            emoji_list = emojis['negative']
        }
        if(emoji_type == 1) {
            emoji_list = emojis['positive']
        }
        if(emoji_type == 2){
            emoji_list = emojis['neutral']
        }

        this.setData({
            'emoji_list': emoji_list,
            'emoji_indicator': emoji_list[emoji_index]
        })
    },

    input : function(e) {
        this.setData({
            'text': e.detail['value']
        })
        // console.log(this.data.text)
    },
    save: function(){
        let date = new Date()
        let year = date.getFullYear()
        let month = date.getMonth()
        let day = date.getDate()
        let key = year + '-' + date_formater.add_date_prefix(month + 1)+'-' + date_formater.add_date_prefix(day)
        
        storage.add(key, this.data.emoji_indicator, 0, 0, 0, this.data.text)
        this.page_init(year, month)
        this.cancle()
    },

    delete: function() {
        storage.del(this.data.item_key)
        this.page_init(this.data.year, this.data.month)
        this.cancle()
    },

    cancle: function() {
        this.setData({
            'modal_visiable': false
        })
    },

    detail: function(e) {
        let key = e.currentTarget.dataset.key
        let item = storage.get(key)
        let emoji_defaul_value = util.get_emoji_pos(item['emoji_type'])
        this.setData({
            'text': item['text'],
            'emoji_indicator': item['emoji_type'],
            'emoji_defaul_value' : emoji_defaul_value,
            'item_key': key
        })
        this.modal()
    }

})

三、效果图

具体的效果展示如下

文末

具体的介绍就到这里了
有兴趣的同学可以继续研究
代码放到下面链接里了

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