28 lines
674 B
C++
28 lines
674 B
C++
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#include "widget4.h"
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Widget4::Widget4(QWidget *parent) : QWidget(parent)
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{
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setWindowTitle("题目4");
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setFixedSize(800,600);
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btn = new QPushButton("按钮",this);
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btn->setFixedSize(200,100);
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btn->move(10,10);
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edit1 = new QLineEdit(this);
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edit1->move(10,120);
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edit2 = new QLineEdit(this);
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edit2->move(10,160);
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label = new QLabel("占位",this);
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label->move(300,140);
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connect(btn,&QPushButton::clicked,[&]()->void{
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QString str1 = edit1->text();
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QString str2 = edit2->text();
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int res_num = str1.toInt()+str2.toInt();
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label->setNum(res_num);
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});
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}
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