<el-form ref="newTermDetail" :model="newTermDetail" class="auto_form">

            <div :style="operation =='new' ? 'margin-left: 50px' : 'margin-left: 20px'">

                <el-form-item

                    v-for="(domain, index) in newTermDetail.questions"

                    :label="operation == 'new' ? ' ' : '' + domain.id"

                    :key="'term' + index"

                    :prop="'questions.' + index + '.s_question'"

                    :style="index == 0 ? 'margin-top: 0; margin-bottom: 20px;' : 'margin: 20px auto;'"

                    :rules="[{ required: true, validator: checkInputValid, message: '请输入中英文', trigger: ['blur','change'] }]">

                    <el-input style="width: 300px;" type="textarea" autosize v-model="domain.s_question"></el-input>

                    <el-button @click.prevent="removeTermDomain(domain, index)">删除</el-button>

                </el-form-item>

            </div>

    </el-form>

  data() {

    let checkInput = (rules, value, callback) => {

      const regex = new RegExp("^([\u4E00-\uFA29]|[\uE7C7-\uE7F3]|[a-zA-Z ]|[，、？。!,?.！])+$");

      if(!regex.test(value) || !value) {

        callback(new Error('请输入中英文语句'));

      }else {

        callback();

      }

　　}

    return {

        checkInputValid: checkInput,

        newTermDetail: {

            questions: [

            { s_question: ''},

            { s_question: ''}

            ]

        }

    };

  },