vue 如何获取scope 所在行数，并且动态的给表格中的scope.row赋值scope.$index

vue scope.row 动态赋值

1. 把scope.$index存为全局变量
2. 通过 this.$refs.scopeData.data[this.scopedIndex]获取表信息（this.scopedIndex是我保存的全局的scope.$index），然后赋值，案例如下

<template>
  <div class="app-container">

    <el-row :gutter="10" class="mb8">
      <el-col :span="1.5">
        <el-button type="primary" plain icon="el-icon-plus" size="mini" @click="handleAdd"
                   v-hasPermi="['business:signConfig:add']">新增
        </el-button>
      </el-col>
      <!--      <el-col :span="1.5">-->
      <!--        <el-button type="success" plain icon="el-icon-edit" size="mini" :disabled="single" @click="handleUpdate"-->
      <!--          v-hasPermi="['business:signConfig:edit']">修改-->
      <!--        </el-button>-->
      <!--      </el-col>-->
      <!--      <el-col :span="1.5">-->
      <!--        <el-button type="danger" plain icon="el-icon-delete" size="mini" :disabled="multiple" @click="handleDelete"-->
      <!--          v-hasPermi="['business:signConfig:remove']">删除-->
      <!--        </el-button>-->
      <!--      </el-col>-->
      <right-toolbar :showSearch.sync="showSearch" @queryTable="getList"></right-toolbar>
    </el-row>

    <el-table v-loading="loading" :data="signConfigList" @selection-change="handleSelectionChange">
      <el-table-column type="selection" width="55" align="center"/>
      <el-table-column label="ID" align="center" prop="id"/>
      <!--      <el-table-column label="${comment}" align="center" prop="dayDate" />-->
      <el-table-column label="签到天数" align="center" prop="dayDate"/>
      <el-table-column label="显示名称" align="center" prop="dayDesc"/>
      <!--      <el-table-column label="奖励列表，对应的是道具表的id" align="center" prop="itemIdList" />-->
      <el-table-column label="操作" align="center" class-name="small-padding fixed-width">
        <template slot-scope="scope">
          <el-button size="mini" type="text" icon="el-icon-edit" @click="handleUpdate(scope.row)"
                     v-hasPermi="['business:signConfig:edit']">修改
          </el-button>
          <el-button size="mini" type="text" icon="el-icon-delete" @click="handleDelete(scope.row)"
                     v-hasPermi="['business:signConfig:remove']">删除
          </el-button>
        </template>
      </el-table-column>
    </el-table>

    <pagination v-show="total>0" :total="total" :page.sync="queryParams.pageNum" :limit.sync="queryParams.pageSize"
                @pagination="getList"/>

    <!-- 添加或修改签到配置对话框 -->
    <el-dialog :title="title" center :visible.sync="open" width="800px" append-to-body>
      <el-form ref="form" :model="form" :rules="rules" label-width="80px">
        <el-form-item label="签到天数" prop="dayDate">
          <el-input v-model="form.dayDate" :maxlength="5" placeholder="请输入签到天数"/>
        </el-form-item>
        <el-form-item label="显示名称" prop="dayDesc">
          <el-input v-model="form.dayDesc" type="text" show-word-limit :maxlength="100" placeholder="请输入显示名称"/>
        </el-form-item>
        <el-divider content-position="center">奖励</el-divider>
        <el-row :gutter="10" class="mb8">
          <el-col :span="1.5">
            <el-button type="primary" icon="el-icon-plus" size="mini" @click="handleAddAppItemConfig">添加</el-button>
          </el-col>
          <el-col :span="1.5">
            <el-button type="danger" icon="el-icon-delete" size="mini" @click="handleDeleteAppItemConfig">删除
            </el-button>
          </el-col>
        </el-row>
        <el-table  ref="scopeData" :data="appItemConfigList" :row-class-name="rowAppItemConfigIndex"
                  @selection-change="handleAppItemConfigSelectionChange" >
          <el-table-column type="selection" align="center"/>
          <el-table-column label="序号" align="center" prop="index" width="50"/>
          <!--          <el-table-column label="道具id" prop="name" width="150">-->
          <!--            <template slot-scope="scope">-->
          <!--              <el-input v-model="scope.row.name" placeholder="请输入道具名称" />-->
          <!--            </template>-->
          <!--          </el-table-column>-->
          <el-table-column label="道具id" prop="itemId">
            <template slot-scope="scope">
              <el-input v-model="scope.row.itemId" placeholder="请选择道具id" @focus="getItemListDataDisable(scope.$index,scope)">

              </el-input>
            </template>
          </el-table-column>
          <el-table-column label="道具名字" prop="itemName">
            <template slot-scope="scope">
              <el-input v-model="scope.row.itemName" disabled="true" placeholder="请输入道具名字">
              </el-input>
            </template>
          </el-table-column>
          <el-table-column label="奖励数量" prop="count">
            <template slot-scope="scope">
              <el-input v-model="scope.row.count"  autocomplete="off" placeholder="请输入正整数数值"
                        @keyup.native="scope.row.count=test(scope.row.count)?scope.row.count:''"/>
            </template>
          </el-table-column>
        </el-table>
      </el-form>
      <div slot="footer" class="dialog-footer">
        <el-button type="primary" @click="submitForm">确 定</el-button>
        <el-button @click="cancel">取 消</el-button>
      </div>
    </el-dialog>
    <el-dialog title="选择道具" :visible.sync="open2" width="800px" append-to-body>
      <el-table   v-loading="loading" :data="itemConfigList" highlight-current-row @current-change="handleCurrentChange">
        <el-table-column label="道具ID" align="center" width="100" prop="itemId"/>
        <el-table-column label="道具名称" align="center" prop="name"/>
        <el-table-column label="道具类型" align="center" width="100" prop="itemType">
          <template v-slot="scope">
            <span v-if="scope.row.itemType==1">食物</span>
            <span v-if="scope.row.itemType==2">日用品</span>
            <span v-if="scope.row.itemType==3">肥料</span>
            <span></span>
          </template>
        </el-table-column>
        <el-table-column label="道具描述" align="center" :show-overflow-tooltip="true" prop="itemDesc"/>
      </el-table>
      <div slot="footer" class="dialog-footer">
        <el-button type="primary" @click="submitForm2">确 定</el-button>
        <el-button @click="open2=false">取 消</el-button>
      </div>
    </el-dialog>
  </div>
</template>

<script>
import {
  listSignConfig,
  getSignConfig,
  delSignConfig,
  addSignConfig,
  updateSignConfig
} from "@/api/business/signConfig";
import {
  getAllItemConfig
} from "@/api/business/itemConfig";

export default {
  name: "SignConfig",
  data() {
    return {
      scopedIndex:"",
      itemConfigList: "",
      selectData: "",
      open2: false,
      //道具下拉列表
      itemSelectData: [],
      // 遮罩层
      loading: true,
      // 选中数组
      ids: [],
      // 子表选中数据
      checkedAppItemConfig: [],
      // 非单个禁用
      single: true,
      // 非多个禁用
      multiple: true,
      // 显示搜索条件
      showSearch: true,
      // 总条数
      total: 0,
      // 签到配置表格数据
      signConfigList: [],
      // 道具配置表格数据
      appItemConfigList: [],
      // 弹出层标题
      title: "",
      // 是否显示弹出层
      open: false,
      // 查询参数
      queryParams: {
        pageNum: 1,
        pageSize: 10,
        dayDate: null,
        dayDesc: null,
        itemIdList: null
      },
      // 表单参数
      form: {},
      // 表单校验
      rules: {
        dayDate: [{
          required: true,
          message: "天数不能为空",
          trigger: "blur"
        },
          {
            validator: (rule, value, callback) => {
              if (/^(?:[1-9]\d*)$/.test(value) == false) {
                callback(new Error("请输入正整数"))
              } else {
                return callback()
              }
            },
            trigger: 'blur',
          }
        ],
        scopedData:"",
        dayDesc: [{
          required: true,
          message: "显示名称不能为空",
          trigger: "blur"
        }],
      }
    };
  },

  created() {
    this.getList();
   this.getItemSelectData()
  },
  methods: {
    test(num) {
      debugger
      var reg = /^\d+$/
      if (!num.match(reg)) {
        return false
      } else {
        return true
      }
    },

    /** 查询签到配置列表 */
    getList() {
      this.loading = true;
      listSignConfig(this.queryParams).then(response => {
        this.signConfigList = response.rows;
        this.total = response.total;
        this.loading = false;
      });
    },
    submitForm2(){
      debugger
      this.$refs.scopeData.data[this.scopedIndex].itemId= this.selectData.itemId
      this.$refs.scopeData.data[this.scopedIndex].itemName= this.selectData.name
      this.open2=false;
    },
    // 取消按钮
    cancel() {
      this.open = false;
      this.reset();
    },
    // 表单重置
    reset() {
      this.form = {
        id: null,
        dayDate: null,
        dayDesc: null,
        itemIdList: null
      };
      this.appItemConfigList = [];
      this.resetForm("form");
    },
    // oninput(count){
    //   return count=count.replace(/\D/g, '')
    // },
    /** 搜索按钮操作 */
    handleQuery() {
      this.queryParams.pageNum = 1;
      this.getList();
    },
    /** 重置按钮操作 */
    resetQuery() {
      this.resetForm("queryForm");
      this.handleQuery();
    },
    // 多选框选中数据
    handleSelectionChange(selection) {
      this.ids = selection.map(item => item.id)
      this.single = selection.length !== 1
      this.multiple = !selection.length
    },
    /** 新增按钮操作 */
    handleAdd() {
      this.reset();
      this.open = true;
      this.title = "添加签到配置";
    },
    /** 修改按钮操作 */
    handleUpdate(row) {

      this.reset();
      const id = row.id || this.ids
      getSignConfig(id).then(response => {
        this.form = response.data;

        this.appItemConfigList = response.data.appItemConfigList;
        this.open = true;
        this.title = "修改签到配置";
      });
    },
    getItemListDataDisable(index){
      this.open2=true;
      this.scopedIndex=index;
    },
    /** 提交按钮 */
    submitForm() {
      this.$refs["form"].validate(valid => {
        if (valid) {
          this.form.appItemConfigList = this.appItemConfigList;
          if (this.form.id != null) {
            updateSignConfig(this.form).then(response => {
              this.$modal.msgSuccess("修改成功");
              this.open = false;
              this.getList();
            });
          } else {
            addSignConfig(this.form).then(response => {
              this.$modal.msgSuccess("新增成功");
              this.open = false;
              this.getList();
            });
          }
        }
      });
    },
    /**
     * 获取道具的下拉选框
     *
     */
    // getSelectData() {
    //
    // },
    handleCurrentChange(val){
      this.selectData=val;
    },
    /** 删除按钮操作 */
    handleDelete(row) {
      const ids = row.id || this.ids;
      this.$modal.confirm('是否确认删除签到配置编号为"' + ids + '"的数据项？').then(function () {
        return delSignConfig(ids);
      }).then(() => {
        this.getList();
        this.$modal.msgSuccess("删除成功");
      }).catch(() => {
      });
    },
    /** 道具配置序号 */
    rowAppItemConfigIndex({
                            row,
                            rowIndex
                          }) {
      row.index = rowIndex + 1;
    },
    /** 道具配置添加按钮操作 */
    handleAddAppItemConfig() {
      let obj = {};
      obj.name = "";
      obj.itemId = "";
      obj.itemName = "";
      obj.count = "";
      obj.itemSubType = "";
      obj.icon = "";
      obj.itemDesc = "";
      obj.single = "";
      obj.getMaxAcount = "";
      obj.mask = "";
      obj.effect = "";
      this.appItemConfigList.push(obj);

    },
    //获取下拉道具下拉选款数据
    getItemSelectData() {
      getAllItemConfig().then(res => {
        if (res.code === 200) {
          this.itemConfigList = res.data;
        }
      })
    },
    /** 道具配置删除按钮操作 */
    handleDeleteAppItemConfig() {
      if (this.checkedAppItemConfig.length == 0) {
        this.$modal.msgError("请先选择要删除的道具配置数据");
      } else {
        const appItemConfigList = this.appItemConfigList;
        const checkedAppItemConfig = this.checkedAppItemConfig;
        this.appItemConfigList = appItemConfigList.filter(function (item) {
          return checkedAppItemConfig.indexOf(item.index) == -1
        });
      }
    },
    /** 复选框选中数据 */
    handleAppItemConfigSelectionChange(selection) {
      this.checkedAppItemConfig = selection.map(item => item.index)
    },
    /** 导出按钮操作 */
    handleExport() {
      this.download('business/signConfig/export', {
        ...this.queryParams
      }, `signConfig_${new Date().getTime()}.xlsx`)
    }
  }
};
</script>


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