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<el-form :model="form" :rules="rules">

<el-form-item label="数据模板" prop="template" >

 <el-col :span="20">

  <el-input type="textarea" v-model="form.template" :rows="8" placeholder="请输入数据模板" :readonly="true" ></el-input>

 </el-col>

</el-form-item>

</el-form>

export default {

data() {

 return {

  form: {

   template: null

  }

  rules: [

   template:{required: true, message: '数据模板不能为空', trigger: 'blur'}

  ]

 }

}

}