Question

在ibatis中执行select查询，为什么查询结果总是null

Answer 1

<select id="getAdminByNameAndPasswd" parameterClass="java.util.Map" resultClass="Admin">
select * from admin_info where name=#name# and passwd=#passwd#
</select>
相关的java代码如下：
public Admin getAdminByNameAndPwd(String name, String pwd) throws SQLException {
Map map = new HashMap();
map.put("name", name);
map.put("pwd", pwd);
Admin admin = (Admin) sqlMapClient.queryForObject("admin.getAdminByNameAndPasswd",map);
if (admin != null) {
System.out.print("get admin by name and pwd sucess!");
return admin;
} else {
System.out.print("get admin by name and pwd false,you will be get the null!");
return null;
}
}