public void searchKlijenta(KlijentiFormEvent klijentiFormEvent) throws SQLException {
String nazivK = klijentiFormEvent.getNaziv();
String adresaK = klijentiFormEvent.getAdresa();
String gradK = klijentiFormEvent.getGrad();
String drzavaK = klijentiFormEvent.getDrzava();
String telefonK = klijentiFormEvent.getTelefon();
String faxK = klijentiFormEvent.getFax();
String mailK = klijentiFormEvent.getMail();
String mobitelK = klijentiFormEvent.getMobitel();
String oibK = klijentiFormEvent.getOib();
String ugovorK = klijentiFormEvent.getUgovor();
String osobaK = klijentiFormEvent.getOsoba();
if (nazivK.length() == 0)
nazivK = null;
if (adresaK.length() == 0)
adresaK = null;
if (gradK.length() == 0)
gradK = null;
if (drzavaK.length() == 0)
drzavaK = null;
if (telefonK.length() == 0)
telefonK = null;
if (faxK.length() == 0)
faxK = null;
if (mailK.length() == 0)
mailK = null;
if (mobitelK.length() == 0)
mobitelK = null;
if (oibK.length() == 0)
oibK = null;
if (ugovorK.length() == 0)
ugovorK = null;
if (osobaK.length() == 0)
osobaK = null;
klijentiSearchModel.clear();
String sql = "select * from zavrsni.klijenti where naziv like '"+nazivK+"' or adresa like '"+adresaK+"' or grad like '"+gradK+"' or drzava like '"+drzavaK+"' or telefon like '"+telefonK+"' or fax like '"+faxK+"' or mail like '"+mailK+"' or mobitel like '"+mobitelK+"' or oib like '"+oibK+"' or ugovor like '"+ugovorK+"' or osoba like '"+osobaK+"' ";
Statement selectStmt = con.createStatement();
ResultSet result = selectStmt.executeQuery(sql);
while(result.next()) {
int id = result.getInt("id");
String naziv = result.getString("naziv");
String adresa = result.getString("adresa");
String grad = result.getString("grad");
int posBr = result.getInt("posBr");
String drzava = result.getString("drzava");
String telefon = result.getString("telefon");
String fax = result.getString("fax");
String mail = result.getString("mail");
String mobitel = result.getString("mobitel");
String oib = result.getString("oib");
String ugovor = result.getString("ugovor");
String osoba = result.getString("osoba");
KlijentiModelSearch klijentSearch = new KlijentiModelSearch(id, naziv, adresa, grad, posBr, drzava, telefon, fax, mail, mobitel, oib, ugovor, osoba);
klijentiSearchModel.add(klijentSearch);
}
result.close();
selectStmt.close();
}
我能否将这段代码写得更短?我在考虑使用"if"语句?
也许可以通过while循环来实现?
这是用于在数据库中搜索客户端的方法。这个方法工作得很好,但我想将这个if语句写得更短。
谢谢。
编辑已解决:
public void traziKlijenta(KlijentiFormEvent klijentiFormEvent) throws SQLException {
String nazivK = returnNullIfEmptys(klijentiFormEvent.getNaziv());
String adresaK = returnNullIfEmptys(klijentiFormEvent.getAdresa());
String gradK = returnNullIfEmptys(klijentiFormEvent.getGrad());
String drzavaK = returnNullIfEmptys(klijentiFormEvent.getDrzava());
String telefonK = returnNullIfEmptys(klijentiFormEvent.getTelefon());
String faxK = returnNullIfEmptys(klijentiFormEvent.getFax());
String mailK = returnNullIfEmptys(klijentiFormEvent.getMail());
String mobitelK = returnNullIfEmptys(klijentiFormEvent.getMobitel());
String oibK = returnNullIfEmptys(klijentiFormEvent.getOib());
String ugovorK = returnNullIfEmptys(klijentiFormEvent.getUgovor());
String osobaK = returnNullIfEmptys(klijentiFormEvent.getOsoba());
klijentiSearchModel.clear();
String sql = "select * from zavrsni.klijenti where naziv like '%"+nazivK+"%' or adresa like '%"+adresaK+"%' or grad like '%"+gradK+"%' or drzava like '%"+drzavaK+"%' or telefon like '%"+telefonK+"%' or fax like '%"+faxK+"%' or mail like '%"+mailK+"%' or mobitel like '%"+mobitelK+"%' or oib like '%"+oibK+"%' or ugovor like '%"+ugovorK+"%' or osoba like '%"+osobaK+"%' ";
Statement selectStmt = con.createStatement();
ResultSet result = selectStmt.executeQuery(sql);
while(result.next()) {
int id = result.getInt("id");
String naziv = result.getString("naziv");
String adresa = result.getString("adresa");
String grad = result.getString("grad");
int posBr = result.getInt("posBr");
String drzava = result.getString("drzava");
String telefon = result.getString("telefon");
String fax = result.getString("fax");
String mail = result.getString("mail");
String mobitel = result.getString("mobitel");
String oib = result.getString("oib");
String ugovor = result.getString("ugovor");
String osoba = result.getString("osoba");
KlijentiModelSearch klijentSearch = new KlijentiModelSearch(id, naziv, adresa, grad, posBr, drzava, telefon, fax, mail, mobitel, oib, ugovor, osoba);
klijentiSearchModel.add(klijentSearch);
}
result.close();
selectStmt.close();
}
private String returnNullIfEmptys(String value) {
if (value == null || value.length() == 0) {
return null;
}
return value;
}