51 lines
1.4 KiB
C++
51 lines
1.4 KiB
C++
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#pragma execution_character_set("utf-8")
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#include "widget.h"
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#include "ui_widget.h"
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#include "qmessagebox.h"
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#include "qdebug.h"
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Widget::Widget(QWidget *parent) : QWidget(parent), ui(new Ui::Widget)
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{
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ui->setupUi(this);
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}
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Widget::~Widget()
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{
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delete ui;
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}
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void Widget::on_btnOk_clicked()
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{
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//当前多少钱
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int moneyCurrent = ui->txtMoneyCurrent->text().toInt();
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//利息
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float rate = ui->txtRate->text().toFloat();
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//定期期限
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int year = ui->cboxYear->currentText().left(1).toInt();
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//总年份 必须是定期期限的倍数
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int years = ui->txtYears->text().toInt();
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//最终多少钱
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int moneyAll = 0;
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if (years % year != 0) {
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ui->txtYears->setFocus();
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QMessageBox::critical(this, "错误", "总年份必须是期限的整数倍数!");
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return;
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}
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if (ui->cboxType->currentIndex() == 0) {
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//傻瓜场景 直接计算
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moneyAll = moneyCurrent + (moneyCurrent * rate * years);
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} else {
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//真实场景 复利计算
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int count = years / year;
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for (int i = 0; i < count; ++i) {
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moneyCurrent = moneyCurrent + (moneyCurrent * rate * year);
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}
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moneyAll = moneyCurrent;
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}
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//计算下来3年期定期存款30年总金额翻2番到最初本金3倍 100W本金3年期自动续期30年=321W
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ui->txtMoneyAll->setText(QString::number(moneyAll));
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}
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