<CustomForm :show.sync="showForm" title="编辑" :control="formControl" :model="formField" :rules="formRules" @ok="saveForm" @hidden="hidForm" /> formField: { id:'', memberNo:'', memberName:'', phone:'', memberMoney:'', credits:'', residueNum:'', historicalMoney:'', level:'', status:'', birthDate:'', merchantName:'', openDate:'', openEmployeeName:'', bindWx:'', attendWx:'',changeMoney:'',type:''},怎么给custom form中加入一个日期选择器，使日期选择器得出来的值赋值给birthdate

你可以在CustomForm中使用Element-UI提供的DatePicker组件来实现日期选择器。以下是一个示例代码，可以在CustomForm中添加一个带有日期选择器的输入框：

<template>
  <div>
    <custom-form :show.sync="showForm" title="编辑" :control="formControl" :model="formField" :rules="formRules" @ok="saveForm" @hidden="hidForm">
      <el-form-item label="生日" prop="birthDate">
        <el-date-picker v-model="formField.birthDate" type="date" placeholder="请选择日期"></el-date-picker>
      </el-form-item>
    </custom-form>
  </div>
</template>

<script>
export default {
  data () {
    return {
      formField: {
        id:'',
        memberNo:'',
        memberName:'',
        phone:'',
        memberMoney:'',
        credits:'',
        residueNum:'',
        historicalMoney:'',
        level:'',
        status:'',
        birthDate:'',
        merchantName:'',
        openDate:'',
        openEmployeeName:'',
        bindWx:'',
        attendWx:'',
        changeMoney:'',
        type:''
      },
      formControl: [
        {type: 'text', prop: 'memberNo', label: '会员编号', disabled: true},
        {type: 'text', prop: 'memberName', label: '会员姓名', disabled: true},
        {type: 'text', prop: 'phone', label: '手机号码', disabled: true},
        {type: 'text', prop: 'memberMoney', label: '余额', disabled: true},
        {type: 'text', prop: 'credits', label: '积分', disabled: true},
        {type: 'text', prop: 'residueNum', label: '剩余次数', disabled: true},
        {type: 'text', prop: 'historicalMoney', label: '历史充值金额', disabled: true},
        {type: 'text', prop: 'level', label: '会员等级', disabled: true},
        {type: 'text', prop: 'status', label: '状态', disabled: true},
        {type: 'text', prop: 'merchantName', label: '商家名称', disabled: true},
        {type: 'text', prop: 'openDate', label: '开卡时间', disabled: true},
        {type: 'text', prop: 'openEmployeeName', label: '开卡员工', disabled: true},
        {type: 'text', prop: 'bindWx', label: '绑定微信号', disabled: true},
        {type: 'text', prop: 'attendWx', label: '关注微信号', disabled: true},
        {type: 'text', prop: 'changeMoney', label: '变动金额', disabled: true},
        {type: 'text', prop: 'type', label: '充值类型', disabled: true}
      ],
      formRules: {
        birthDate: [{required: true, message: '请选择生日', trigger: 'blur'}]
      },
      showForm: false
    }
  },
  methods: {
    saveForm () {
      // 保存表单数据
      console.log(this.formField.birthDate)
    },
    hidForm () {
      // 隐藏表单
    }
  }
}
</script>

在上面的代码中，我们在CustomForm中添加了一个日期选择器输入框，使用了Element-UI提供的DatePicker组件，它的v-model绑定到`formField.birthDate`。当用户选择日期时，`formField.birthDate`的值会自动更新。在保存表单数据时，可以通过`this.formField.birthDate`获取日期选择器选中的值，然后将其赋值给`birthdate`属性。