<table id="table">

          <thead>

          <tr>

            <th class="field">领域</th>

            <th class="task">任务目标</th>

            <th class="shorttask">短期目标</th>

            <th class="standard">成功标准</th>

            <th class="remask">教学情景</th>

            <th class="remask">开始时间</th>

            <th class="remask">结束时间</th>

          </tr>

          </thead>

          <tbody>

          <tr v-for="(item,index) in datafilter(fieldlist) " :key="index">

            <td v-if="getfieldRow(index).flag" :rowspan="getfieldRow(index).value">{{ item.field }}</td>

            <td v-if="gettaskRow(index).flag" :rowspan="gettaskRow(index).value">{{ item.task }}</td>

            <td>{{ item.shortgoal_item }}</td>

            <td>{{ item.standard }}</td>

            <td v-if="getfieldRow(index).flag" :rowspan="getfieldRow(index).value">单训课、家庭康复指导</td>

            <td></td>

            <td></td>

          </tr>

          </tbody>

        </table>

    datafilter(fieldlist) {

      let arr = []

      for (let item of fieldlist) {

        for (let i of item.tasklist) {

          for (let j of i.shortgoal) {

            arr.push({

              field: item.field,

              task: i.task,

              shortgoal_item: j.shortgoal_item,

              standard: j.standard

            })

          }

        }

      }

      console.log(arr)

      console.log(arr.length)

      return arr

    },

    getallRow() {

      let allnumbers = 0

      for (let item of this.fieldlist) {

        for (let i of item.tasklist) {

          allnumbers = allnumbers + i.shortgoal.length

        }

      }

      return allnumbers

    },

    gettaskRow(inx) {

      let index = 0

      let dict = {}

      let dictfliter = {}

      for (let item of this.fieldlist) {

        for (let i = -1; i < item.tasklist.length - 1; i++) {

          index = index + item.tasklist[i + 1].shortgoal.length

          dict[index] = item.tasklist[i + 1].shortgoal.length

        }

      }

      for (let item = 0; item < Object.keys(dict).length; item++) {

        if (item == 0) {

          dictfliter["0"] = Number(Object.keys(dict)[item])

          dictfliter[Object.keys(dict)[item]] = Object.values(dict)[item + 1]

        } else {

          dictfliter[Object.keys(dict)[item]] = Object.values(dict)[item + 1]

        }

      }

      // console.log(dictfliter)

      return {flag: dictfliter.hasOwnProperty(inx), value: dictfliter[inx]}

    },

    getfieldRow(inx) {

      let count = 0

      let dict = {}

      for (let item of this.fieldlist) {

        let index = 0

        for (let i of item.tasklist) {

          index = index + i.shortgoal.length //计算某个领域对应的所有短期目标的条目

        }

        dict[count] = index

        count = count + index

      }

      // console.log(dict)

      return {flag: dict.hasOwnProperty(inx), value: dict[inx]}

    },