vue 表单验证按钮事件交由父组件触发的方法

//内容部分

<form ref="formcustom" :model="formcustom" :rules="rulecustom" :label-width="80">
  <formitem label="age" prop="age">
    <input type="text" v-model="formcustom.age" number></input>
  </formitem>
  <formitem>
    <button type="primary" @click="handlesubmit('formcustom')">submit</button>
    <button @click="handlereset('formcustom')" style="margin-left: 8px">reset</button>
  </formitem>
</form>

export default {
  data () {
    return {
      formcustom: {
        age: ''
      },
      rulecustom: {
        age: [
          { required: true, message: '年龄不为空', trigger: 'blur' }
        ]
      }
    }
  },
  methods: {
    handlesubmit (name) {
      this.$refs[name].validate((valid) => {
        if (valid) {
          const form = this.formcustom
          // 在这将事件传递出去
          this.$emit('submit', form)
        } else {
          this.$message.error('fail!');
        }
      })
    },
    handlereset (name) {
      this.$refs[name].resetfields();
    }
  }
}

 //子组件
 <modalcontent @submit="handlesubmit"/>

import modalcontent from '子组件位置（这里没写）'
export default {
  components: { modalcontent },
  data () {
    return {}
  },
  methods: {
    // 子组件的点击触发事件
    handlesubmit(form) {
      this.$message.success('success!');
    }
  }
}