手机号码校验（手机号---座机号）

 <van-field
            v-model="formData.contactNumber"
            required
            label="联系电话"
            maxlength="16"
            placeholder="请填写联系电话"
            :rules="[
              { required: true, message: '请填写联系电话' },
              {
                validator: validatorP,
                message: val => {
                  return val.includes('-') ? '座机号码格式错误！' : '手机号码格式错误！'
                }
              }
            ]"
          />

js

 validatorP(val) {
      return /^[1][3,4,5,7,8,9][0-9]{9}$/.test(val) || (/^\d+-\d+$/.test(String(val)) && val.length <= 16)//前面手机号，后面座机号，输入框限定16位字符
    },