Page({ /**  * 頁面的初始數據  */ data: { }, submit: function (event) {  var writecomment = event.detail.value.writecomment;  console.log(event);  var pages = getCurrentPages();  /***得到頁面有兩個，一個是總頁面，一個是寫的頁面，我們需要的是總頁面 */  var page = pages[2];  var commentlist = page.data.commentlist;//commentlist是另一個頁面設置的數組，這里是取得那個頁面定義的commentlist  /***獲取總頁面data里面的數組 */  if (event.detail.value.writecomment != '') {   commentlist.push(writecomment); /***把新的內容放入數組中去，然后更新 */   page.setData({    commentlist: commentlist,   })  }//這是緩存設置 wx.setStorage({  key: 'commentStorage',//key的值只是一個名稱，可以自己設置  data: commentlist,//data指的是我們要放入緩存的數值，如果是固定的數據要用“”括起來，如果是變量就直接放變量的值 })  console.log(commentlist);//這是為了更好觀察我自己設置的輸出語句，可以不用管  wx.navigateBack({}) /***點擊完成后跳轉回到上一個頁面 */ },   onLoad: function (options) { },})

<!--pages/comment/writecomment/writecomment.wxml--><view class='write-group'> <form bindsubmit='submit'>  <!-- 文本輸入框 -->  <view class='textarea-position'>   <textarea name='writecomment' placeholder='請輸入內容！' maxlength='-1' auto-height="true">   </textarea>  </view>  <!-- maxlength='-1'不限制輸入字符長度，auto-height="true"輸入框可以自動變化大小 -->    <view class='btn-position'>   <button type='primary' form-type='submit'>完成</button>  </view> </form></view>

//這是對應的樣式文件/* pages/comment/writecomment/writecomment.wxss *//* 最外層樣式 */.write-group{ width: 100%; height: 1254rpx;}/* 輸入框層樣式 */.textarea-group{ padding: 10rpx; width: 98%; height: 85%; overflow: scroll;}/* 提交表格樣式 */.form{ width: 100%; height: 100%;}textarea {cursor:auto;width:95%;height:150px;display:block;position:relative;padding: 10rpx;} .chooseImg{ width:20%; height: 70rpx;}.image{ width: 170rpx; height: 50rpx;}.image-btn-group{ width: 200rpx; height: 50rpx; display: flex; justify-content: space-between;}.image-btn{ width: 100rpx; height: 100rpx; display: flex; justify-content: space-between;}.text{ font-size: 24rpx; height: 50rpx; width: 100rpx;}.textarea-position{ overflow: scroll; height: 1050rpx; width: 100%;}.btn-position{ display: fixed; margin-bottom: 5rpx;}.title { width: 100%; height: 96rpx; line-height: 96rpx; font-size: 28rpx; color: #989898;}.upload { width: 100%; margin-bottom: 30rpx;              }.uploadImgBox { width: 212rpx; height: 144rpx; margin-right: 33rpx; margin-bottom: 10rpx; position: relative; background: #fff;}.uploadImgBox:nth-child(3n) { margin-right: 0;}.uploadPhoto { width: 212rpx; height: 144rpx;}.closeImg { width: 30rpx; height: 30rpx; border-radius: 50%; position: absolute; right: 5rpx; top: 5rpx;} .service { width: 100%; height: 208rpx; border-top: 1rpx solid #ece9e9; border-bottom: 1rpx solid #ece9e9; line-height: 30rpx; font-size: 26rpx; padding-top: 20rpx;}.service textarea { width: 100%; height: 100%;}

// pages/comment/commentlist/commentlist.jsPage({ /**  * 頁面的初始數據  */ data: {  commentlist: [],//設置緩存的那個數組在這里定義的 }, writecomment: function (event) {  wx.navigateTo({   url: '/pages/comment/writecomment/writecomment',//在頁面函數的按鈕  }) }, /**  * 生命周期函數--監聽頁面加載  */ onLoad: function (options) {  var that = this;  var commentlist = that.data.commentlist//取得commentlist //獲取緩存數據  wx.getStorage({   key: 'commentStorage',//這個key值要與writecomment.js里面設置的key一致   success: function (res) {    for (let i in res.data) {     that.data.commentlist.push(res.data[i])//這里是把緩存數據放入到數組commentlist 里面    };    that.setData({     commentlist: commentlist//刷新commentlist     })   },  })  that.setData({   options: options,  }); }, /**  * 生命周期函數--監聽頁面初次渲染完成  */ onReady: function () { }, /**  * 生命周期函數--監聽頁面顯示  */ onShow: function () { }, /**  * 生命周期函數--監聽頁面隱藏  */ onHide: function () { }, /**  * 生命周期函數--監聽頁面卸載  */ onUnload: function () { }, /**  * 頁面相關事件處理函數--監聽用戶下拉動作  */ onPullDownRefresh: function () { }, /**  * 頁面上拉觸底事件的處理函數  */ onReachBottom: function () { }, /**  * 用戶點擊右上角分享  */ onShareAppMessage: function () { }})

<!--pages/comment/commentlist/commentlist.wxml--><view class='p-list-group'> <view class='p-list-group-more'>  <!-- 輸出輸入頁面輸入的內容 -->  <view class='p-list' wx:for='{{commentlist}}' wx:key="{{index}}">{{item}}</view> </view>  <!-- 寫計劃按鈕與搜索按鈕 --> <view class='cardclass'>  <button class='btn-search' open-type='' bindtap='search' style="background-image:url(/images/plan/icon-search-1.png);"> 搜索</button>  <!-- 寫計劃 --> <button class='btn-write' open-type='primary' bindtap='writecomment' style="background-image:url(/images/plan/icon-pen-1.png);">評論 </button> </view></view>

/* pages/comment/commentlist/commentlist.wxss */.p-list-group{ margin-right: 10rpx; margin-left: 10rpx; overflow: scroll; width:98%; right:1rpx;}.p-list-group-more{ right:1rpx; overflow: scroll; height:1000rpx; width:100%; margin-top: 10rpx;}.p-list{ text-overflow: ellipsis;/***文本太長顯示省略號*/ overflow: scroll; width:99%; border: 1px solid #ccc; margin-right: 10rpx; margin-bottom: 20rpx; height: 100rpx;}.btn-search{ position: fixed; bottom: 5rpx; width: 30%; background-size: 45rpx 45rpx; background-repeat:no-repeat;}.btn-write{ position: fixed; bottom: 5rpx; width: 30%; background-size: 45rpx 45rpx; background-repeat:no-repeat; right:10rpx;}.cardclass{ display:flex; font-size:18rpx; justify-content: space-between; bottom: 5rpx; height:25rpx;}.image-list{ width:40rpx; height:30%;}