📄 plan.cpp
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//---------------------------------------------------------------------------
#include <vcl.h>
#pragma hdrstop
#include "plan.h"
//---------------------------------------------------------------------------
#pragma package(smart_init)
#pragma resource "*.dfm"
TPlanForm *PlanForm;
//---------------------------------------------------------------------------
__fastcall TPlanForm::TPlanForm(TComponent* Owner)
: TForm(Owner)
{
}
//---------------------------------------------------------------------------
void __fastcall TPlanForm::FormClose(TObject *Sender, TCloseAction &Action)
{
Action = caFree;
}
//---------------------------------------------------------------------------
void __fastcall TPlanForm::Button1Click(TObject *Sender)
{
DBNavigator1->BtnClick(nbFirst);
}
//---------------------------------------------------------------------------
void __fastcall TPlanForm::Button3Click(TObject *Sender)
{
DBNavigator1->BtnClick(nbPrior);
}
//---------------------------------------------------------------------------
void __fastcall TPlanForm::Button4Click(TObject *Sender)
{
DBNavigator1->BtnClick(nbDelete);
}
//---------------------------------------------------------------------------
void __fastcall TPlanForm::Button2Click(TObject *Sender)
{
DBNavigator1->BtnClick(nbInsert);
}
//---------------------------------------------------------------------------
void __fastcall TPlanForm::Button5Click(TObject *Sender)
{
DBNavigator1->BtnClick(nbNext);
}
//---------------------------------------------------------------------------
void __fastcall TPlanForm::Button6Click(TObject *Sender)
{
DBNavigator1->BtnClick(nbEdit);
}
//---------------------------------------------------------------------------
void __fastcall TPlanForm::Button7Click(TObject *Sender)
{
DBNavigator1->BtnClick(nbLast);
}
//---------------------------------------------------------------------------
void __fastcall TPlanForm::Button8Click(TObject *Sender)
{
DBNavigator1->BtnClick(nbCancel);
}
//---------------------------------------------------------------------------
void __fastcall TPlanForm::ComboBox1Change(TObject *Sender)
{
AnsiString temp, tmp;
ListBox1->Clear();
if (ComboBox1->Text == "1 年级")
{
grade = 1;
}
else if (ComboBox1->Text == "2 年级")
{
grade = 2;
}
else if (ComboBox1->Text == "3 年级")
{
grade = 3;
}
else if (ComboBox1->Text == "4 年级")
{
grade = 4;
}
ADOQuery1->Close();
ADOQuery1->SQL->Clear();
ADOQuery1->SQL->Add("select * From Class");
ADOQuery1->SQL->Add("where Grade = :Grade");
ADOQuery1->Parameters->ParamByName("Grade")->Value=grade;
ADOQuery1->Open();
if(ADOQuery1->RecordCount!=0)
{
ADOQuery1->First();
while(!ADOQuery1->Eof)
{
tmp = ADOQuery1->FieldByName("Name")->AsString;
ListBox1->AddItem(tmp, this);
ADOQuery1->Next();
}
}
}
//---------------------------------------------------------------------------
void __fastcall TPlanForm::ListBox1Click(TObject *Sender)
{
int find = 0;
int total_curse = 0;
AnsiString temp;
int ins = ListBox1->ItemIndex;
ADOTable1->Active = false;
ADOQuery1->Close();
ADOQuery1->SQL->Clear();
ADOQuery1->SQL->Add("select * From Class");
ADOQuery1->SQL->Add("where Grade = :Grade");
ADOQuery1->Parameters->ParamByName("Grade")->Value=grade;
ADOQuery1->Open();
if(ADOQuery1->RecordCount!=0)
{
ADOQuery1->First();
while(!ADOQuery1->Eof)
{
temp = ADOQuery1->FieldByName("Name")->AsString;
if (find == ins)
break;
ADOQuery1->Next();
find ++;
}
}
Edit1->Text = temp;
ADOTable1->Filtered = true;
ADOTable1->Filter = "班级 = '" + temp + "'";
ADOTable1->Active = true;
ADOQuery1->Close();
ADOQuery1->SQL->Clear();
ADOQuery1->SQL->Add("select * From plans");
ADOQuery1->SQL->Add("where 班级 = :Grade");
ADOQuery1->Parameters->ParamByName("Grade")->Value=temp;
ADOQuery1->Open();
if(ADOQuery1->RecordCount!=0)
{
ADOQuery1->First();
while(!ADOQuery1->Eof)
{
total_curse += ADOQuery1->FieldByName("周课时")->AsInteger;
ADOQuery1->Next();
}
}
Edit2->Text = IntToStr(total_curse);
}
//---------------------------------------------------------------------------
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