我仍在使用 java 开发带有 netbeans ide 的库存管理系统。在一个界面中,我有三个不同的jtable,一个用于当前库存材料数量,一个用于履行订单所需材料数量,另一个用于打印库存数量大于或小于订单数量。如何比较这两个数量列并打印结果?
/*** 这些是到目前为止尝试过的代码 ****/
//全局变量
Vector v=new Vector();
Object listOrder=new Object();
Vector v1=new Vector();
Object listOrder1=new Object();
Vector v2=new Vector();
Object listOrder2=new Object();
int tranval[];
int stkval[];
//将数据库值导入表的按钮操作
private void RequiredActionPerformed(java.awt.event.ActionEvent evt) {
// TODO add your handling code here:
tranval =new int[20];
stkval =new int[20];
try{
ResultSet rs = new getMatierialDataM().searchItems("SELECT icode,qty from transactiono where oid ='"+jComboBox2_oid.getSelectedItem()+"'");
//define tables
DefaultTableModel dtm = (DefaultTableModel)jTable2_required.getModel(); //required materials
dtm.setRowCount(0);
Vector v = null;
DefaultTableModel dtm1 = (DefaultTableModel)jTable1_availability.getModel();
dtm1.setRowCount(0); //available materials in stock
Vector v1 =null;
while(rs.next()){
String ico=rs.getString("icode");
String q1=rs.getString("qty");
int q11=Integer.parseInt(q1);
ResultSet rs1 = new getMatierialDataM().searchItems("SELECT transactionbom.mid,transactionbom.qty,component.comid,matierial.stockqty from transactionbom,component,matierial where transactionbom.icode ='"+ico+"' AND transactionbom.icode=component.icode AND transactionbom.mid=matierial.mid");
int len=0;
while(rs1.next()){
String q2=rs1.getString("qty");
int q22=Integer.parseInt(q2);
int qty =q11*q22; //calculation
String cid,mid,stq;
cid=rs1.getString("comid");
mid=rs1.getString("mid");
stq=rs1.getString("stockqty");
tranval[len]=qty;
stkval[len]=q22;
len++;
v = new Vector();
v.add(cid);
v.add(mid);
v.add(qty);
dtm.addRow(v);
v1 = new Vector();
v1.add(cid);
v1.add(mid);
v1.add(stq);
dtm1.addRow(v1);
}
}
}
catch (Exception e) {
e.printStackTrace();
//Logger.getLogger(ItemCosting.class.getName()).log(Level.SEVERE, null, e);
}
}
//button action for compare above two tables and get stock status in third table
private void jButton1_checkActionPerformed(java.awt.event.ActionEvent evt) {
// TODO add your handling code here:
DefaultTableModel dtm1 = (DefaultTableModel)jTable1_status.getModel();
dtm1.setRowCount(0);
Vector v2 =null;
int x=0;
int y=3;
int len=jTable1_availability.getRowCount();
v2 = new Vector();
while(x<len){
if(tranval[x]>stkval[x]){
v2.add("mid");
v2.add("OK");
}else{
v2.add("mid");
v2.add("NO");
}
dtm1.addRow(v2);
tranval[x]++;
stkval[x]++;
x++;
}
}
上面的代码在第三个表的所有行中只打印一个相同的结果。我希望在几行中出现一些 NO 状态,但在所有行中都可以打印。