根据id，查询记录
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public void updaterecycleassaybusinessitemcharge(string id) {
assaybusinessitemcharge assaybusinessitemcharge = assaybusinessitemchargeservice.selectbyid(id);
assaybusinessitemcharge.setrecordstatus(recordstatusenum.valid.getvalue());
assaybusinessitemchargeservice.update(assaybusinessitemcharge);
}
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selectbyexample方法
根据实体字段，查询记录
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public account findbyaccountname(string accountname) {
accountexample accountexample = new accountexample();
accountexample.criteria criteria = accountexample.createcriteria();
criteria.andaccountnameequalto(accountname);
list<account> accountlist = accountservice.selectbyexample(accountexample);
if (accountlist == null || accountlist.size() != 1)
return null;
else
return accountlist.get(0);
}
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查询所有list
传一个空的实体，不要给赋字段值
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public account findbyaccountname(string accountname) {
accountexample accountexample = new accountexample();
accountexample.criteria criteria = accountexample.createcriteria();
list<account> accountlist = accountservice.selectbyexample(accountexample);
if (accountlist == null || accountlist.size() != 1)
return null;
else
return accountlist.get(0);
}
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总结
以上所述是小编给大家介绍的mybatis中的select方法，希望对大家有所帮助，如果大家有任何疑问请给我留言，小编会及时回复大家的。在此也非常感谢大家对服务器之家网站的支持！
原文链接：https://blog.csdn.net/nangeali/article/details/81278822