: QDialog(parent){

setWindowTitle(tr("Edit a record"));

idLabel = new QLabel(tr("ID:"));

idEdit = new QLineEdit;

idEdit->setText(edit_id);

idEdit->setEnabled(true);

nameLabel = new QLabel(tr("name:"));

nameEdit = new QLineEdit;

nameEdit->setText(edit_name);

nameEdit->setEnabled(true);

producerLabel = new QLabel(tr("producer:"));

producerEdit = new QLineEdit;

producerEdit->setText(edit_producer);

producerEdit->setEnabled(true);

priceLabel = new QLabel(tr("price:"));

priceEdit = new QLineEdit;

char s[10];memset(s,0,10);

sprintf(s,"%d",edit_price);

priceEdit->setText(s);

priceEdit->setEnabled(true);

okButton = new QPushButton(tr("OK"));

cancleButton = new QPushButton(tr("Cancle"));

connect(okButton,SIGNAL(clicked()),this,SLOT(okClicked()));

connect(cancleButton,SIGNAL(clicked()),this,SLOT(cancleClicked()));

QGridLayout *left = new QGridLayout;

left->addWidget(idLabel,0,0);

left->addWidget(idEdit,0,1);

left->addWidget(nameLabel,1,0);

left->addWidget(nameEdit,1,1);

left->addWidget(producerLabel,2,0);

left->addWidget(producerEdit,2,1);

left->addWidget(priceLabel,3,0);

left->addWidget(priceEdit,3,1);

QVBoxLayout *right = new QVBoxLayout;

right->addWidget(okButton);

right->addWidget(cancleButton);

QHBoxLayout *mainlayout = new QHBoxLayout(this);

mainlayout->addLayout(left);

mainlayout->addLayout(right);

{

ok_flag=1;

memset(edit_id,0,sizeof(edit_id));

memset(edit_name,0,sizeof(edit_name));

memset(edit_producer,0,sizeof(edit_producer));

edit_price=0;

sprintf(edit_id,"%s",((idEdit->text()).toLatin1()).data());

sprintf(edit_name,"%s",((nameEdit->text()).toLatin1()).data());

sprintf(edit_producer,"%s",((producerEdit->text()).toLatin1()).data());

edit_price=(priceEdit->text()).toInt();

/*测试

QString s;

s.sprintf("scale:%d;quan:%f;kx:%f;ky:%f;kz:%f;len:;;;%d",scale,quan,chaos_kx,chaos_ky,chaos_kz,wk_length);

QMessageBox::information(NULL,"ddd",s);

*/

close();