mybatis-mp gitee 地址：https://gitee.com/mybatis-mp

public enum TestEnum implements EnumSupport<String> {

    X1("a1"),X2("a2");

    TestEnum(String code){
        this.code=code;
    }

    private final String code;

    @Override
    public String getCode() {
        return this.code;
    }
}

        QueryChain.of(mapper)
          .in(Student::getType,Arrays.asList(TestEnum.X1,TestEnum.X2)).list();