<template>
	
		  <div class="test-page">
	
		    <el-form :model="ruleForm" ref="ruleForm">
	
		      <el-form-item label="密码" prop="pass">
	
		        <el-input type="password" v-model="ruleForm.pass"></el-input>
	
		      </el-form-item>
	
		      <el-form-item label="确认密码" prop="checkPass">
	
		        <el-input type="password" v-model="ruleForm.checkPass" autocomplete="off"></el-input>
	
		      </el-form-item>
	
		      <el-form-item label="年龄" prop="age">
	
		        <el-input v-model.number="ruleForm.age"></el-input>
	
		      </el-form-item>
	
		      <el-form-item>
	
		        <el-button type="primary" @click="submitForm('ruleForm')">提交</el-button>
	
		        <el-button @click="resetForm('ruleForm')">重置</el-button>
	
		      </el-form-item>
	
		    </el-form>
	
		  </div>
	
		</template>
	
		<script>
	
		export default {
	
		  data() {
	
		    return {
	
		      ruleForm: {
	
		        pass: "",
	
		        checkPass: "",
	
		        age: ""
	
		      },
	
		      rules: {}
	
		    };
	
		  },
	
		  methods: {
	
		    resetForm(formName) {
	
		      this.$refs[formName].resetFields();
	
		    }
	
		  }
	
		};
	
		</script>
	
报错原因:需要添加prop, 值为你数据的值,el-form也要添加ref属性,值与:model一致即可
