巩义旅游网站设计公司,apache发布多个网站,wdcp网站迁移,推广联盟平台作业
1 手动将登录项目实现#xff0c;不要使用拖拽编程
并且#xff0c;当点击登录按钮时#xff0c;后台会判断账号和密码是否相等#xff0c;如果相等给出登录成功的提示#xff0c;并且关闭当前界面#xff0c;发射一个跳转信号#xff0c;如果登录失败#…作业
1 手动将登录项目实现不要使用拖拽编程
并且当点击登录按钮时后台会判断账号和密码是否相等如果相等给出登录成功的提示并且关闭当前界面发射一个跳转信号如果登录失败则给出登录失败的提示并清空密码框
当点击取消按钮时直接关闭当前登录框
.h文件
#ifndef MYJOB_H
#define MYJOB_H#include QMainWindow
#include QPushButton
#include QLabel
#include QWidget
#includeQLineEdit
#include QObject
#include QMessageBox
class myjob : public QMainWindow
{Q_OBJECTsignals:void my_signal(); //定义一个信号函数
public slots:void btn1_yes_slot(); //自定义槽函数void btn2_no_slot();
private slots:void showMessage(){QMessageBox::information(this,Information,登录失败);}
public:myjob(QWidget *parent nullptr);~myjob();
private:QLabel *btn1_Account_label;QLabel *btnlogo_Icon_label;QLabel *btn2_Cryptographic_tag_label;QLineEdit *btn1_Account_entry;QLineEdit *btn2_Password_input;QPushButton *btn1_yes;QPushButton *btn2_no;
};
#endif // MYJOB_H 源码文件
#include myjob.hmyjob::myjob(QWidget *parent): QMainWindow(parent)
{//主页面设置this-setFixedSize(400,600); //主页面大小//logo图标(也是标签)this-btnlogo_Icon_label new QLabel;btnlogo_Icon_label-setParent(this); //设置父组件btnlogo_Icon_label-resize(400,150); //设置标签宽高btnlogo_Icon_label-move(0,0); //移动标签位置btnlogo_Icon_label-setText(霜雪阅读); //设置文本btnlogo_Icon_label-setStyleSheet(background-color:green;); //设置背景颜色否则看不见btnlogo_Icon_label-setAlignment(Qt::AlignCenter); //设置对齐方式//账户标签btn1_Account_label new QLabel; //无参构造btn1_Account_label-setParent(this); //设置父组件btn1_Account_label-resize(50,20); //设置标签宽高btn1_Account_label-move(50,200); //移动标签位置btn1_Account_label-setText(账户); //设置文本btn1_Account_label-setStyleSheet(background-color:red;); //设置背景颜色否则看不见btn1_Account_label-setAlignment(Qt::AlignCenter); //设置对齐方式//账户输入btn1_Account_entry new QLineEdit(this); //有参构造并设置父组件btn1_Account_entry-resize(150,20); //设置宽和高btn1_Account_entry-move(btn1_Account_label-x()btn1_Account_label-width()10, btn1_Account_label-y());//btn1_Account_entry-setStyleSheet(background-color:pick;); //设置背景颜色否则看不见btn1_Account_entry-setAlignment(Qt::AlignCenter); //设置对齐方式btn1_Account_entry-setPlaceholderText(请输入账号); //设置占位文本//密码标签btn2_Cryptographic_tag_label new QLabel;btn2_Cryptographic_tag_label-setParent(this); //设置父组件btn2_Cryptographic_tag_label-resize(50,20); //设置标签宽高btn2_Cryptographic_tag_label-move(btn1_Account_label-x(),btn1_Account_label-y()btn1_Account_label-height()15); //移动标签位置btn2_Cryptographic_tag_label-setText(密码); //设置文本btn2_Cryptographic_tag_label-setStyleSheet(background-color:red;); //设置背景颜色否则看不见btn2_Cryptographic_tag_label-setAlignment(Qt::AlignCenter); //设置对齐方式//密码输入btn2_Password_input new QLineEdit(this); //有参构造并设置父组件btn2_Password_input-resize(150,20); //设置宽和高btn2_Password_input-move(btn2_Cryptographic_tag_label-x()btn2_Cryptographic_tag_label-width()10, btn2_Cryptographic_tag_label-y());//btn2_Password_input-setStyleSheet(background-color:pick;); //设置背景颜色否则看不见btn2_Password_input-setAlignment(Qt::AlignCenter); //设置对齐方式btn2_Password_input-setPlaceholderText(请输入密码); //设置占位文本btn2_Password_input-setEchoMode(QLineEdit::Password); //设置密文//登录按钮btn1_yes new QPushButton(确认,this); //有参构造并设置父组件及填充文本btn1_yes-resize(50,35); //设置按键的宽和高btn1_yes-move(btn2_Cryptographic_tag_label-x()btn2_Cryptographic_tag_label-x(),btn2_Cryptographic_tag_label-y()200);//取消按钮btn2_no new QPushButton(取消,this); //有参构造并设置父组件及填充文本btn2_no-resize(50,35); //设置按键的宽和高btn2_no-move(btn1_yes-x()100,btn1_yes-y());//连接登录按钮QObject::connect(this-btn1_yes,QPushButton::clicked(,this,Mainlogin::btn1_yes_slot));//连接取消按钮
}myjob::~myjob()
{
} 测试文件
#include myjob.h#include QApplicationint main(int argc, char *argv[])
{QApplication a(argc, argv);myjob w;w.show();return a.exec();
}2 思维导图 3两篇刷题28/30
