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public boolean checkLogin(LoginForm lf) {
boolean res = false;
Connection con = new MyConnection().getCon();
if (con != null) {
try {
Statement st = con.createStatement();
String sql = "select * from usertable where name='"
+ lf.getName() + "' and age='"
+ lf.getPwd() + "'";
System.out.println("查询id语句:"+sql);
ResultSet rs = st.executeQuery(sql);
if (rs.next()) {
System.out.println("有值,登陆成功");
res = true;
} else {
System.out.println("登陆失败");
res = false;
}
new MyConnection().closeCon();
} catch (SQLException e) {
e.printStackTrace();
}
}
return res;
}