element-UI根据后台数据动态生成el-checkbox-group，点击保存获取绑定的checked项(二维数组)

  1 <template>
  2   <div class="mcontainer">
  3     <el-form :model="formApp" ref="formApp" :rules="rules">
  4       <el-form-item label="APP选择" :label-width="formLabelWidth" prop="appCode">
  5         <el-select style="width:100%;"
  6           v-model="formApp.appCode"
  7           multiple
  8           :disabled="type == ‘add‘?false : true"
  9           placeholder="请选择"
 10           @change="changeType">
 11           <el-option
 12             v-for="item in selList"
 13             :key="item.code"
 14             :label="item.name"
 15             :value="item.code">
 16           </el-option>
 17         </el-select>
 18       </el-form-item>
 19       <el-form-item label="所属分类" :label-width="formLabelWidth">
 20         <div v-show="typeList.length > 0" class="check-box" v-for="(item, index) in typeList">
 21           <span class="app-name">
 22             <el-tag>{{ item.appName }}</el-tag>
 23           </span>
 24           <el-checkbox-group v-model="checkedEquipments[index]">
 25             <el-checkbox
 26               @change="handleChange(type,index,item)"
 27               v-for="(type, i) in item.types"
 28               :disabled="i == 0? true : false"
 29               :key="type.id"
 30               :label="type.id">{{type.name}}</el-checkbox>
 31           </el-checkbox-group>
 32         </div>
 33         <div v-show="typeList.length == 0" class="no-typelist">请先选择APP</div>
 34       </el-form-item>
 35     </el-form>
 36   </div>
 37 </template>
 38 
 39 <script>
 40 import debounce from ‘lodash.debounce‘;
 41 import store from ‘@/store‘;
 42 import { collectService } from ‘@/services‘;
 43 import { applicationFormatter, currencyFormatter, permissionDownFile, mesNotes  } from ‘@/common/formatter‘;
 44 import { CollectRecord } from ‘@/components/business‘;
 45 import { COLLECT_RESULT } from ‘@/common/constant‘;
 46 
 47 export default {
 48   name: ‘CollectOrder‘,
 49   components: { CollectRecord },
 50   data() {
 51     return {
 52       formLabelWidth: ‘80px‘,
 53       /*随意修改后的checked项,
 54       * 因为是二维数组,我的第一个类「全部」默认的ID是0,如果没有全部,不需要0,直接这样子就可以[[],[],[],[],[]]
 55       * 我默认显示了5个,具体几个会根据app的选择值来重新计算,如果一个APP,就一级,2个APP,就2组,
 56       * ******************************** */
 57       checkedEquipments: [[0],[0],[0],[0],[0]], 
 58       checkEquipArr: [],   // 传给后台的二维数组,根据自己要返回给后台的格式重组过的
 59       formApp: {
 60         appCode: [],
 61         appTypeIds: [],//马甲及分类列表
 62       },
 63       type: ‘add‘,
 64       allType: [], //获取的所有类别
 65       typeList: [],
 66     }
 67       //我得到的类别数据是一个二维数据，如下
 68       // [
 69       //   {
 70       //     appCode: "MoneyHome", 
 71       //     appName: "MoneyHome", 
 72       //     types: [
 73       //       {id: 21, name: "第二个app--分类一"}
 74       //     ]
 75       //   },
 76       //   {
 77       //     appCode: "RupeeHome",
 78       //     appName: "RupeeHome",
 79       //     types: [
 80       //       {id: 20, name: "aaa"}, 
 81       //       {id: 22, name: "q"}
 82       //     ]
 83       //   }
 84       // ]
 85   },
 86   methods: {
 87     //APPP选择的时候，类别也做相应的改变
 88     changeType(val) {
 89       //类别的数组占位,app选择几个,就会有几组类别
 90       this.checkedEquipments = [];//因为默认的有5组,所以要重新清掉了,根据选择几组来确定
 91       val.forEach((item,index) => {
 92         if(index <= val.length) {
 93           this.checkedEquipments.push([0]);
 94         }
 95       });
 96       console.log(‘this.checkedEquipments---‘, this.checkedEquipments);
 97       this.typeList = [];
 98       //this.allType是我能过接口返回的所有的类，存在这里了，换成自己相应的变量就好
 99       let list = Object.assign([],this.allType);
100       //这一步是为了给每一类组数加一个"全部"，如果没有这个需求，就不需这步了
101       let obj = {
102         id: 0,
103         name: ‘全部‘,
104       };
105       list.forEach(item => {
106         //每个类别要加上全部
107         if(item.types.length > 0){
108           if(item.types[0].name != ‘全部‘){
109             item.types.unshift(obj);
110           }
111         }else {
112           item.types.unshift(obj);
113         }
114         val.forEach(name => {
115           if(item.appCode == name){
116             this.typeList.push(item);
117           }
118         });
119       });
120     },
121     //创建保存时的二维数组
122     handleChange (data, index, item) {
123       this.checkEquipArr = [];
124       let arr = this.checkedEquipments;
125       for (let i = 0; i < arr.length; i ++) {
126         let equipment = arr[i];
127         if (equipment.length > 0) {
128           let obj = {
129             appCode: this.typeList[i].appCode,
130             typeIds: []
131           }
132           for (let j = 0; j < equipment.length; j++) {
133             obj.typeIds.push(equipment[j])
134           }
135           this.checkEquipArr.push(obj);
136         }
137       }
138       console.log("QERQWER00000====",this.checkEquipArr);
139       //重组后我传给后台的二维数组,可以适当根据自己的需求调整格式和字段
140       // [
141       //   {
142       //     appCode: "MoneyHome",
143       //     typeIds: [0, 21],
144       //   },
145       //   {
146       //     appCode: "RupeeHome",
147       //     typeIds: [0, 20, 22]
148       //   }
149       // ]
150     },
151   },
152 };
153 </script>