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嗨,大家好,我有这段代码,但不知道为什么它不起作用!用mysql数据填充组合框
//in database class
String query = "SELECT group_name FROM customer ORDER BY group_name";
java.sql.PreparedStatement stm = connection.prepareStatement(query);
rs = stm.executeQuery(query);
while (rs.next()) {
String x = rs.getString("group_name");
System.out.println(x);
}
rs.close();
}
//combo box action
int group = jcombobox.getSelectedIndex();
rg_domain rg = new rg_domain();
rg.setGroup(group);
rg.setPhone_number(phone_no);
dbconnection db = new dbconnection();
db.broadcastmsgservice_sms(rg);
}
//domain class
private String group;
public void setGroup(String group) {
this.group = group;
}
public String getGroup() {
return group;
}
任何人都可以帮我请..
@Luzhin没有任何错误消息。但它不会用mysql表格数据填充组合框。 – 2011-06-14 09:51:08
似乎你完全迷失在这里。你只是遍历ResultSet。您正在'while'循环中使用这些值。 – 2011-06-14 09:53:36
你必须增加数值的JList里面while(rs.next()){... – mKorbel 2011-06-14 10:04:02