el-form不带星号的表单校验

必填项不带星号
form标签中有 :rules = “rules”
表单项中有 prop
校验规则：{ validator: validateCreditCode, trigger: ‘blur’ }
把required: true 去掉即可

拓展：(样式覆盖)

/deep/ .el-form-item.is-required:not(.is-no-asterisk)>.el-form-item__label:before {
  content: ' ';
  width: 0px;
  margin-right: 0px;
}