数据准备齐全，即将提交数据

api/common.js

@@ -1,9 +1,34 @@
 import request from './request'
+let app = getApp();
 
-module.exports = {
+export default {
   community:{
-    list(params){
+    list:()=>request.get('/api/community')
-      return request.get('/api/community')
+  },
+  address:{
+    list(commityId){
+      const data = {};
+      if(commityId){
+        data.community_id = commityId;
+      }
+      return request.get('/api/address',data)
+    },
+    add:(data)=>request.post('/api/address',data),
+    update:(data)=>request.put(`/api/address/${data.id}`,data),
+  },
+  building:{
+    list(communityId){
+      if(!app){
+        app = getApp();
+      }
+      const data = {
+        community_id:communityId,
+        user_id:app.globalData.userInfo.userid
+      }
+      return request.get('/api/community/building/list')
     }
+  },
+  station:{
+    list:(community_id)=>request.get('/api/station',{community_id})
   }
 }

api/request.js

@@ -26,10 +26,16 @@ const sendRequest = (options)=>{
 }
 
 export default {
-  get(url,params){
+  get(url,data){
-    sendRequest({url,method:'get',params});
+    return sendRequest({url,method:'get',data});
   },
   post(url,data){
-    sendRequest({url,method:'post',data});
+    return sendRequest({url,method:'post',data});
+  },
+  put(url,data){
+    return sendRequest({url,method:'put',data});
+  },
+  delete(url,data){
+    return sendRequest({url,method:'delete',data});
   }
 }

api/user.js

@@ -18,5 +18,8 @@ export default {
   },
   info(){
     return request.get('/api/user/info');
+  },
+  order:{
+    pre:(data)=>request.post('/api/order/pre-order',data)
   }
 }

app.js

@@ -1,4 +1,5 @@
 import userApi from './api/user';
+import commonApi from './api/common';
 App({
   onLaunch() {
     // 展示本地存储能力
@@ -15,14 +16,61 @@ App({
     wx.getStorage({
       key:'accessToken',
       success:(res)=>{
-        console.log(res.data);
         this.globalData.accessToken = res.data;
-        userApi.info()
+        if(res.data){
+          userApi.info().then((data)=>{
+            this.globalData.userInfo = data;
+          });
+        }
       }
     })
   },
+  navToLogin(){
+    wx.navigateTo({
+      url: '/pages/login/login',
+    })
+  },
   globalData: {
     userInfo: null,
-    accessToken:null
+    accessToken:null,
+    community:{
+      _list:[],
+      lastFetchTime:null,
+      getList(){
+        let lft = this.lastFetchTime;
+        return new Promise((rs,rj)=>{
+          if(!lft&&new Date()-lft>30){
+            commonApi.community.list().then((data)=>{
+              this.lastFetchTime = new Date();
+              this._list = data;
+              rs(data)
+            })
+          }else{
+            rs(this._list);
+          }
+        })
+      },
+    },
+    address:{
+      _list:[],
+      lastFetchTime:null,
+      getList(){
+        let lft = this.lastFetchTime;
+        return new Promise((rs,rj)=>{
+          if(!lft&&new Date()-lft>30){
+            commonApi.address.list().then((data)=>{
+              this.lastFetchTime = new Date();
+              this._list = data;
+              rs(data)
+            })
+          }else{
+            rs(this._list);
+          }
+        })
+      },
+    }
+  },
+  getAddressList(){
+    
   }
 })

components/address/index.js

@@ -1,4 +1,6 @@
-// components/address/index.js
+import commonApi from '../../api/common';
+const app = getApp();
+
 Component({
 
   /**
@@ -12,6 +14,10 @@ Component({
     deleteText:{
       type:String,
       value:''
+    },
+    communityId:{
+      type:Number,
+      value:null
     }
   },
 
@@ -19,18 +25,123 @@ Component({
    * 组件的初始数据
    */
   data: {
-    building:['一栋','二栋','三栋','四栋','五栋'],
+    buildingList:[],
-  },
+    buildingIndex:0,
+    communityList:[],
+    communityIndex:0,
 
+    currentEditAddress:{},
+    name:'',
+    gender:'',
+    phone:'',
+    community_building_id:'',
+    address_detail:''
+  },
+  lifetimes:{
+    attached(){
+      if(app.globalData.tempAddress){
+        this.setData({
+          currentEditAddress:app.globalData.tempAddress,
+          name:app.globalData.tempAddress.name,
+          gender:app.globalData.tempAddress.gender,
+          phone:app.globalData.tempAddress.phone,
+          community_building_id:app.globalData.tempAddress.community_building_id,
+          address_detail:app.globalData.tempAddress.address_detail
+        })
+      }
+      commonApi.community.list().then((data)=>{
+        let communityIndex;
+        this.setData({
+          communityList:data.items
+        });
+        data.items.map((item,index)=>{
+          if(item.id==this.data.currentEditAddress.id){
+            communityIndex = index;
+          }
+        })
+
+        //没有找到 id 就是新增，就去找默认的社区进行填充
+        if(communityIndex){
+          this.getBuildingList();
+        }else{
+          for(let [index,item] of data.items.entries()){
+            if(item.id==this.properties.communityId){
+              this.setData({
+                communityIndex:index
+              });
+            }
+          }
+          this.getBuildingList();
+        }
+      });
+      // console.log(app.globalData.tempAddress);
+    }
+  },
   /**
    * 组件的方法列表
    */
   methods: {
     save(){
-      this.triggerEvent('save')
+
+
+      this.triggerEvent('save');
+      let data = {
+        community_id:this.data.communityList[this.data.communityIndex].id,
+        community_building_id:this.data.buildingList[this.data.buildingIndex].id,
+        address_detail:this.data.address_detail,
+        name:this.data.name,
+        gender:this.data.gender,
+        phone:this.data.phone
+      }
+      console.log(data);
+      if(this.data.currentEditAddress&&this.data.currentEditAddress.id){
+        //编辑
+        data.id = this.data.currentEditAddress.id;
+        commonApi.address.update(data);
+      }else{
+        //新增
+        commonApi.address.add(data).then((data)=>{
+          const pages = getCurrentPages();
+          const prePage = pages[pages.length-2];
+          prePage.changeAddress(data);
+          wx.navigateBack({
+            success(){
+              wx.showToast({
+                title: '新增成功',
+                icon:'success'
+              });
+            }
+          });
+        });
+      }
+    },
+    getBuildingList(){
+      const current = this.data.communityList[this.data.communityIndex];
+      commonApi.building.list(current.id).then((data)=>{
+        let buildingIndex = 0;
+        data.items.map((item,index)=>{
+          item.displayText = `${item.community_name} ${item.building_name}`;
+          if(item.id==this.data.currentEditAddress.id){
+            buildingIndex = index;
+          }
+        });
+        this.setData({
+          buildingList:data.items,
+          buildingIndex
+        })
+      });
     },
     del(){
       this.triggerEvent('delete')
+    },
+    chooseCommonity(event){
+      this.setData({
+        communityIndex:event.detail.value
+      })
+    },
+    buildingChange(event){
+      const buildingIndex = event.detail.value;
+      this.setData({buildingIndex});
     }
   }
 })

components/address/index.wxml

@@ -1,37 +1,42 @@
 <view class="page-container shadow editor">
-  <view class="item">
+  <picker range="{{communityList}}" range-key="name" value="{{communityIndex}}" bindchange="chooseCommonity">
-    <label class="key">绑定小区</label>
+    <view class="item">
-    <label class="value">朝阳时代西锦</label>
+      <label class="key">绑定小区</label>
-  </view>
+      <label class="value">
+        {{communityList&&communityList.length>0?communityList[communityIndex].name:''}}
+      </label>
+    </view>
+  </picker>
   <view class="item">
     <label class="key">用户姓名</label>
-    <input class="value" placeholder="请输入用户名"/>
+    <input class="value" placeholder="请输入用户名" model:value="{{name}}"/>
-    <radio-group class="radio-group">
+    <radio-group class="radio-group" model:value="{{gender}}">
       <label>
-        <radio class="radio" checked></radio>
+        <radio value="MALE" class="radio" checked></radio>
         <label>先生</label>
       </label>
       <label>
-        <radio class="radio"></radio>
+        <radio value="FEMALE" class="radio"></radio>
         <label>女士</label>
       </label>
     </radio-group>
   </view>
   <view class="item">
     <label class="key">手机号码</label>
-    <input class="value" placeholder="请输入手机号码"/>
+    <input class="value" placeholder="请输入手机号码" model:value="{{phone}}"/>
   </view>
 
-  <picker range="{{building}}">
+  <picker range="{{buildingList}}" range-key="displayText" bindchange="buildingChange" 
+    value="{{buildingIndex}}">
     <view class="item">
       <label class="key">选择楼栋</label>
-      <input class="value" placeholder="请选择" disabled/>
+      <input class="value" placeholder="请选择" disabled value="{{buildingList[buildingIndex].displayText}}" />
       <image class="right-icon" src="/assets/icon/help/arrow-right@2x.png"/>
     </view>
   </picker>
   <view class="item no-border">
     <label class="key">详细地址</label>
-    <input class="value" placeholder="例：1 单元1301"/>
+    <input class="value" placeholder="例：1 单元1301" model:value="{{address_detail}}"/>
   </view>
   <button type="primary" bind:tap="save">{{saveText}}</button>
   <button wx:if="{{deleteText}}" type="primary" plain bind:tap="del">{{deleteText}}</button>

pages/help/address/edit/index.js

@@ -29,7 +29,6 @@ Page({
    * 生命周期函数--监听页面加载
    */
   onLoad(options) {
-
   },
 
   /**

pages/help/address/edit/index.json

@@ -1,5 +1,6 @@
 {
   "usingComponents": {
     "address-editor":"/components/address"
-  }
+  },
+  "navigationBarTitleText": "编辑地址"
 }

pages/help/address/index/index.js

@@ -1,21 +1,28 @@
-// pages/help/address/index.js
+import commonApi from '../../../../api/common';
+const app = getApp();
 Page({
 
   /**
    * 页面的初始数据
    */
   data: {
-    items: [
+    addressList:[],
-      { name: '1', value: 'cell standard' },
+    communityId:null
-      { name: '2', value: 'cell standard', checked: 'true' },
-    ],
   },
 
   /**
    * 生命周期函数--监听页面加载
    */
   onLoad(options) {
-
+    console.log(options);
+    this.setData({
+      communityId:options.communityId
+    })
+    commonApi.address.list(options.communityId).then((data)=>{
+      this.setData({
+        addressList:data
+      })
+    })
   },
 
   /**
@@ -67,7 +74,9 @@ Page({
 
   },
 
-  goToAddressEditor(){
+  goToAddressEditor(event){
+    const item = event.currentTarget.dataset.item;
+    app.globalData.tempAddress = item;
     wx.navigateTo({
       url: '/pages/help/address/edit/index',
     })

pages/help/address/index/index.json

@@ -1,5 +1,6 @@
 {
   "usingComponents": {
     "address-editor":"/components/address"
-  }
+  },
+  "navigationBarTitleText": "收件人信息"
 }

pages/help/address/index/index.wxml

@@ -1,26 +1,19 @@
-<address-editor saveText="保存并使用"/>
+<address-editor saveText="保存并使用" communityId="{{communityId}}"/>
 
 <view class="page-container address-list">
   <view class="head">常用地址</view>
-  <view class="item">
+  <block wx:if="{{addressList.length>0}}">
-    <view class="text">
+    <view class="item" wx:for="{{addressList}}" wx:key="index">
-      <view class="title">朝阳时代西锦 3栋2单元1802</view>
+      <view class="text">
-      <view class="sub-title">何灵 13486745777</view>
+        <view class="title">{{item.address_detail}}</view>
+        <view class="sub-title">{{item.name}} {{item.phone}}</view>
+      </view>
+      <image class="icon" src="/assets/icon/help/edit@2x.png" 
+        bind:tap="goToAddressEditor" data-item="{{item}}"/>
     </view>
-    <image class="icon" src="/assets/icon/help/edit@2x.png" bind:tap="goToAddressEditor"/>
+  </block>
-  </view>
+  <view class="list-empty" wx:else>
-  <view class="item">
+    <view class="title">暂无常用地址</view>
-    <view class="text">
+    <view class="sub-title">使用过的地址会在这里显示</view>
-      <view class="title">朝阳时代西锦 3栋2单元1802</view>
-      <view class="sub-title">何灵 13486745777</view>
-    </view>
-    <image class="icon" src="/assets/icon/help/edit@2x.png" bind:tap="goToAddressEditor"/>
-  </view>
-  <view class="item">
-    <view class="text">
-      <view class="title">朝阳时代西锦 3栋2单元1802</view>
-      <view class="sub-title">何灵 13486745777</view>
-    </view>
-    <image class="icon" src="/assets/icon/help/edit@2x.png" bind:tap="goToAddressEditor"/>
   </view>
 </view>

pages/help/address/index/index.wxss

@@ -27,3 +27,17 @@
   width:36rpx;height:36rpx;
   padding:10rpx;
 }
+
+.list-empty{
+  text-align: center;
+  padding:60rpx 0 30rpx 0;
+}
+.list-empty .title{
+  font-size: 30rpx;
+  font-weight: 500;
+}
+.list-empty .sub-title{
+  font-size: 26rpx;
+  color: #A1A1A1;
+  margin-top:24rpx;
+}

pages/help/community/index.js

@@ -1,4 +1,4 @@
-const commonApi = require('../../../api/common');
+import commonApi from '../../../api/common';
 
 Page({
 
@@ -10,28 +10,31 @@ Page({
     communityList:[]
   },
   onSelectItem(event){
+    const pages = getCurrentPages();
+    const prePage = pages[pages.length-2];
     const currentCommunity = event.currentTarget.dataset.item;
     this.setData({currentCommunity})
-    wx.setStorage({
+    prePage.changeCommunity(currentCommunity);
-      key:"currentCommunity",
+    wx.navigateBack();
-      data:currentCommunity
-    });
   },
 
   /**
    * 生命周期函数--监听页面加载
    */
   onLoad(options) {
-    wx.getStorage({
+    console.log(options);
-      key:'currentCommunity',
-      success:(res)=>{
-        console.log(res);
-        this.setData({currentCommunity:res.data})
-      }
-    })
     commonApi.community.list().then((data)=>{
       const communityList = data.items;
-      this.setData({communityList});
+      let currentCommunity;
+      data.items.map((item)=>{
+        if(item.id==options.communityId){
+          currentCommunity = item;
+        }
+      })
+      this.setData({
+        communityList,
+        currentCommunity
+      });
     });
   },
 

pages/help/index/index.js

@@ -1,3 +1,5 @@
+const app = getApp();
+import commonApi from '../../../api/common';
 
 Page({
 
@@ -5,35 +7,92 @@ Page({
    * 页面的初始数据
    */
   data: {
-    index:0,
+    // communityList:[],
-    array:[1,2,3,4],
+    isLogin:!!app.globalData.accessToken,
-    communityList:[],
+    currentAddress:null,
-    currentCommunity:null
+    currentCommunity:{
+      id:null,
+      name:''
+    },
+    package:{
+      name:'',
+      count:0
+    }
+
+    // addressList:[],
+    // addressIndex:0
   },
 
   /**
    * 生命周期函数--监听页面加载
    */
   onLoad(options) {
+    this.getAddress();
+    wx.getStorage({
+      key:'pre-order',
+      success:(res)=>{
+        console.log(res.data);
+        const name = [];
+        let count = 0;
+        res.data.price_request.package.map((item)=>{
+          name.push(item.station_name);
+          count+=item.pickup_codes.split(',').length;
+        });
+        this.setData({
+          package:{
+            name:name.join('｜'),
+            count:count
+          }
+        })
+      }
+    })
   },
 
   /**
    * 生命周期函数--监听页面初次渲染完成
    */
   onReady() {
-  },
     
+  },
   /**
    * 生命周期函数--监听页面显示
    */
   onShow() {
-    wx.getStorage({
+    //这里要要重新过滤当前送达地址，因为可能会重新选择社区
-      key:"currentCommunity",
+  },
-      success:(res)=>{
+  getAddress(communityId){
+    commonApi.address.list(communityId).then((data)=>{
+      let currentAddress = data[0]||{};
+      data.map((item,index)=>{
+        if(item.is_default){
+          currentAddress = item;
+        }
+      })
+      this.setData({
+        currentAddress,
+      });
+      if(currentAddress.id){
         this.setData({
-          currentCommunity:res.data
+          currentCommunity:{
+            id:currentAddress.community_id,
+            name:currentAddress.community_name
+          }
         })
       }
+    });
+  },
+  changeCommunity(community){
+    this.setData({
+      currentCommunity:{
+        id:community.id,
+        name:community.name
+      }
+    });
+    this.getAddress(community.id);
+  },
+  changeAddress(address){
+    this.setData({
+      currentAddress:address
     })
   },
 
@@ -73,17 +132,21 @@ Page({
   },
   goToAddPackage(){
     wx.navigateTo({
-      url: '/pages/help/package/index',
+      url: `/pages/help/package/index?communityId=${this.data.currentCommunity.id}`,
     })
   },
   goToCommunity(){
     wx.navigateTo({
-      url: '/pages/help/community/index',
+      url: `/pages/help/community/index?communityId=${this.data.currentCommunity.id}`,
     })
   },
   goToAddress(){
-    wx.navigateTo({
+    if(app.globalData.accessToken){
-      url: '/pages/help/address/index/index',
+      wx.navigateTo({
-    })
+        url: `/pages/help/address/index/index?communityId=${this.data.currentCommunity.id}`,
+      })
+    }else{
+      app.navToLogin();
+    }
   }
 })

pages/help/index/index.wxml

@@ -4,23 +4,40 @@
     <image class="logo" src="/assets/icon/navbar/lanfeng@2x.png"/>
   </nav-bar>
   <view class="choose-community" bind:tap="goToCommunity">
-    <view class="text">{{currentCommunity?currentCommunity.name:'选择小区'}}</view>
+    <view class="text">
+      {{
+        currentCommunity.id?currentCommunity.name:'请选择小区'
+      }}
+    </view>
     <image class="arrow" src="/assets/icon/help/arrow-down@2x.png"/>
   </view>
   <view class="address-panel">
     <view class="ap-item send" bind:tap="goToAddress">
       <image class="icon" src="/assets/icon/help/send@2x.png"/>
       <view class="text">
-        <view class="title">朝阳时代西锦12栋1单元2072朝阳时代西锦12栋1单元2072</view>
+        <block wx:if="{{currentAddress&&currentAddress.id}}">
-        <view class="sub-title">周先生 13888888888</view>
+          <view class="title">
+            {{currentAddress.community_name}}
+            {{currentAddress.address_detail}}
+          </view>
+          <view class="sub-title">
+            {{currentAddress.name}} {{currentAddress.phone}}
+          </view>
+        </block>
+        <block wx:else>
+          <view class="title">请录入配送地址</view>
+        </block>
       </view>
       <image class="arrow" src="/assets/icon/help/arrow-right@2x.png"/>
     </view>
     <view class="ap-item take" bind:tap="goToAddPackage">
       <image class="icon" src="/assets/icon/help/take@2x.png"/>
-      <view class="text">
+      <view class="text" wx:if="{{package.name}}">
+        <view class="title">{{package.name}}</view>
+        <view class="sub-title">共计 {{package.count}} 个包裹</view>
+      </view>
+      <view class="text" wx:else>
         <view class="title">送达地址</view>
-        <view class="sub-title"></view>
       </view>
       <image class="arrow" src="/assets/icon/help/arrow-right@2x.png"/>
     </view>
@@ -41,7 +58,7 @@
     </view>
   </view>
   <button type="primary" class="order-button">立即下单</button>
-  <view class="login-panel">
+  <view class="login-panel" wx:if="{{!isLogin}}">
     <image class="icon" src="/assets/icon/help/redpacket@2x.png"/>
     <view class="text">登录后享跑腿服务</view>
     <navigator url="/pages/login/login">

pages/help/package/index.js

@@ -1,4 +1,6 @@
-// pages/help/package/index.js
+import commonApi from '../../../api/common';
+import userApi from '../../../api/user';
+
 Page({
 
   /**
@@ -6,19 +8,41 @@ Page({
    */
   data: {
     package:[],
-    testvalue:'123'
+    stationList:[],
+    sendType:''
   },
 
   bottomBarButtonTap(){
-    wx.navigateTo({
+    const data = [];
-      url: '/pages/help/success/index',
+    this.data.stationList.map((item)=>{
+      data.push({
+        station_id:item.id,
+        station_name:item.name,
+        pickup_codes:item.package.join(',')
+      });
+    })
+    wx.setStorage({
+      key:'pre-order',
+      data:{
+        price_request:{
+          package:data
+        },
+        delivery_method:this.data.sendType
+      },
+      success(){
+        wx.navigateBack();
+      }
     })
   },
 
-  addPackage(){
+  addPackage(event){
-    this.data.package.push('')
+    const index = event.currentTarget.dataset.index;
+    if(!this.data.stationList[index].package){
+      this.data.stationList[index].package = [];
+    }
+    this.data.stationList[index].package.push('');
     this.setData({
-      package:this.data.package
+      stationList:this.data.stationList
     });
   },
   deletePackage(event){
@@ -29,16 +53,40 @@ Page({
     })
   },
   setPackageCode(event){
-    this.data.package[event.currentTarget.dataset.index] = event.detail.value;
+    const itemIndex = event.currentTarget.dataset.index;
+    const packageIndex = event.currentTarget.dataset.p_index;
+    console.log(itemIndex,packageIndex,11111);
+    this.data.stationList[itemIndex].package[packageIndex] = event.detail.value;
     this.setData({
-      package:this.data.package
+      package:this.data.stationList
     });
+    console.log(this.data.stationList);
   },
 
   /**
    * 生命周期函数--监听页面加载
    */
   onLoad(options) {
+    commonApi.station.list(options.communityId).then((data)=>{
+      wx.getStorage({
+        key:'pre-order',
+        success:(res)=>{
+          console.log(res.data);
+          data.items.map((item)=>{
+            const __item = res.data.price_request.package.find((_item)=>_item.station_id==item.id);
+            item.package = __item.pickup_codes.split(',');
+          });
+          console.log(data.items);
+          this.setData({
+            stationList:data.items
+          })
+        }
+      });
+      
+      this.setData({
+        stationList:data.items
+      })
+    });
   },
 
   /**

pages/help/package/index.wxml

@@ -1,46 +1,34 @@
-<view class="page-container">
+<view class="page-container" wx:for="{{stationList}}" wx:key="index">
   <view class="head">
     <image class="icon" src="/assets/icon/help/house@2x.png"/>
     <view class="text">
-      <view class="title">妈妈驿站（朝阳时代西锦）</view>
+      <view class="title">{{item.name}}</view>
-      <view class="sub-title">服务时间 10:00-80:30</view>
-    </view>
-  </view>
-  <button type="default" class="button">
-    <image src="/assets/icon/help/plus@2x.png" class="icon"/>
-    <label>添加取件码</label>
-  </button>
-</view>
-<view class="page-container">
-  <view class="head">
-    <image class="icon" src="/assets/icon/help/house@2x.png"/>
-    <view class="text">
-      <view class="title">菜鸟驿站（朝阳时代西锦）</view>
       <view class="sub-title">服务时间 10:00-21:00</view>
     </view>
   </view>
   <view class="package-list">
-    <view class="item" wx:for="{{package}}" wx:key="index">
+    <view class="item" wx:for="{{item.package}}" wx:for-item="pItem" wx:for-index="pIndex" wx:key="pIndex">
-      <label class="label">取件码{{index+1}}</label>
+      <label class="label">取件码{{pIndex+1}}</label>
-      <input value="{{item}}" class="input" bindinput="setPackageCode" data-index="{{index}}"/>
+      <input value="{{pItem}}" class="input" bindinput="setPackageCode" 
-      <button class="button" bind:tap="deletePackage" data-index="{{index}}">
+        data-index="{{index}}" data-p_index="{{pIndex}}"/>
+      <button class="button" bind:tap="deletePackage" data-index="{{index}}" data-p_index="{{pIndex}}">
         <image class="icon" src="/assets/icon/help/delete@2x.png"/>
       </button>
     </view>
   </view>
-  <button type="default" class="button" bind:tap="addPackage">
+  <button type="default" class="button" bind:tap="addPackage" data-index="{{index}}">
     <image src="/assets/icon/help/plus@2x.png" class="icon"/>
     <label>添加取件码</label>
   </button>
 </view>
 <view class="page-container">
-  <radio-group class="radio" value="1">
+  <radio-group class="radio" model:value="{{sendType}}">
     <label>
-      <radio value="1" checked/>
+      <radio value="DELIVERY_AT_DOORSTEP" checked/>
       <label>敲门递件</label>
     </label>
     <label>
-      <radio value="2"/>
+      <radio value="DELIVERY_TO_ROOM"/>
       <label>放在门口</label>
     </label>
   </radio-group>