..

src/main/java/io/renren/modules/admin/controller/AttendersController.java

    public R save(@RequestBody AttendersEntity attenders) {
        System.out.println(attenders);
        if (attenders.getMemberId() == null || attenders.getMemberId()==0) {
            MemberEntity ismember = memberService.getByUserName(attenders.getPhone());
            boolean ismember = memberService.isMember(attenders.getPhone());
            System.out.println(ismember);
            if (ismember != null) {
            if (ismember) {
                return R.error("手机号重复");
            }
            MemberEntity member = new MemberEntity();