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userloginwindow.cpp
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userloginwindow.cpp
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#include "userloginwindow.h"
#include "ui_userloginwindow.h"
#include<QFile>
#include<QString>
#include<QDialog>
#include<QFileDialog>
#include<QDebug>
#include<QSqlQuery>
#include<QSqlQueryModel>
#include<iostream>
#include<QMessageBox>
using namespace std;
userLoginWindow::userLoginWindow(QWidget *parent) :
QWidget(parent),
ui(new Ui::userLoginWindow)
{
ui->setupUi(this); this->setWindowTitle(" ");
//注册页面
ui->userID_reg->setPlaceholderText("请输入用户名");
ui->userPassword_reg->setPlaceholderText("密码");
ui->userPassword_reg_2->setPlaceholderText("确认密码");
ui->userPassword_reg->setEchoMode(QLineEdit::Password);
ui->userPassword_reg_2->setEchoMode(QLineEdit::Password);
ui->userMail->setPlaceholderText("[email protected]");
//注册操作
connect(ui->reg_button,&QPushButton::clicked,this,&userLoginWindow::sendToDateBase_regist);
//登陆操作
connect(ui->loginButton,&QPushButton::clicked,this,&userLoginWindow::sendToDateBase_log);
//登录界面
ui->username->setPlaceholderText("请输入用户名");
ui->userPassword->setEchoMode(QLineEdit::Password);
ui->userPassword->setPlaceholderText("请输入密码");
}
userLoginWindow::~userLoginWindow()
{
delete ui;
}
void userLoginWindow::on_registerButton_clicked()
{
ui->log->hide();
ui->reg->show();
}
void userLoginWindow::on_return_button_clicked()
{
ui->log->show();
ui->reg->hide();
}
void userLoginWindow::sendToDateBase_regist(){
QSqlQuery query;
QString sql;
QString str1 ,str2, str3,str4;
str1 = ui->userID_reg->text();
str2 = ui->userPassword_reg->text();
str3 = ui->userMail->text();
str4 = ui->userPassword_reg_2->text();
if (str2 != str4 ){
QMessageBox message(QMessageBox::NoIcon, "error", "请确认密码");
message.setIconPixmap(QPixmap(":/img_asset/icon_asset/2x_surprised.png"));
message.exec();
ui->userID_reg->clear();
ui->userPassword_reg->clear();
ui->userPassword_reg_2->clear();
ui->userMail->clear();
return ;
}
QSqlQueryModel *model1=new QSqlQueryModel;
sql = QString("select count (*) from user where useraccount = '%1'").arg(str1);
model1->setQuery(sql);
QModelIndex index1=model1->index(0,0);
//query.exec(sql);
if(index1.data()==0){
//如果这条数据不存在那么插入这条数据
sql = QString("insert into user(id, useraccount, userpassword,useremail) values(NULL,'%1', '%2', '%3')").arg(str1).arg(str2).arg(str3);
query.exec(sql);
//debug测试
query.exec("select id,useraccount,userpassword,useremail from user where id >= 1");
while(query.next())
{
//query.value(0)是id的值,将其转换为int型
//QString str0 = dtm.toString("yyyy-mm-dd hh:mm:ss");
str1 = query.value(1).toString();
str2 = query.value(2).toString();
str3 = query.value(3).toString();
//输出两个值
qDebug() << str1<< str2<< str3 ;
}
QMessageBox message(QMessageBox::NoIcon, "", "注册成功");
message.setIconPixmap(QPixmap(":/img_asset/icon_asset/2x_laughter.png"));
message.exec();
qDebug()<<"注册成功";
ui->userID_reg->clear();
ui->userPassword_reg->clear();
ui->userPassword_reg_2->clear();
ui->userMail->clear();
ui->reg->hide();
ui->log->show();
}else{
qDebug()<<"用户已存在";
QMessageBox message(QMessageBox::NoIcon, "error", "用户名已存在");
message.setIconPixmap(QPixmap(":/img_asset/icon_asset/2x_surprised.png"));
message.exec();
}
}
void userLoginWindow::sendToDateBase_log(){
QSqlQuery query;
QString sql;
QString str1 ,str2, str3;
str1 = ui->username->text();//用户输入的用户名
str2 = ui->userPassword->text();//用户输入的密码
QSqlQueryModel *model1=new QSqlQueryModel;
QSqlQueryModel *model2=new QSqlQueryModel;
sql = QString("select count (*) from user where useraccount = '%1'").arg(str1);
model1->setQuery(sql);
QModelIndex index1=model1->index(0,0);
if(index1.data()==0){
qDebug()<<"用户名不存在";
}else{
//获取该用户名下的密码进行对比
sql=QString("select userpassword from user where useraccount = '%1'").arg(str1);
model2->setQuery(sql);
QModelIndex index2=model2->index(0,0);
if(index2.data()==str2){
query.exec("create table user_login(id INTEGER PRIMARY KEY AUTOINCREMENT ,useraccount varchar)");
sql = QString("insert into user_login(id,useraccount) values(NULL,'%1')").arg(str1);
query.exec(sql);
qDebug()<<"userlogwindow:"<<str1;
emit loginSuccess();//将用户名作为信息传递出去
//清空输入栏
ui->username->clear();
ui->userPassword->clear();
QMessageBox message(QMessageBox::NoIcon, "Title", "登录成功!");
message.setIconPixmap(QPixmap(":/img_asset/icon_asset/2x_flag-1.png"));
message.exec();
this->close();
qDebug()<<"登陆成功";
}else{
QMessageBox message(QMessageBox::NoIcon, "哦豁", "密码错误!");
message.setIconPixmap(QPixmap(":/img_asset/icon_asset/2x_delete-user-rd.png"));
message.exec();
qDebug()<<"密码错误";
}
}
}
void userLoginWindow::regUser()
{
int user_num_int;
qint64 pos;
QFile file("userAccout.txt");
bool isOk = file.open(QIODevice::ReadWrite|QIODevice::Text);
if (isOk == true){
pos=file.size();
QString user_num = file.readLine();
QTextStream txtout(&file);
for (int i=0;i<user_num_int*4;i++){ if (file.canReadLine()) file.readLine();}
txtout<<"------"<<endl;
txtout<<ui->userID_reg->text()<<endl;
txtout<<ui->userPassword_reg->text()<<endl;
txtout<<ui->userMail->text()<<endl;
user_num_int = user_num.toInt() + 1;
file.close();
}
else qDebug()<<"Open Failed";
isOk = file.open(QIODevice::WriteOnly|QIODevice::Text);
if (isOk == true)
{
QTextStream txtout(&file);
txtout<<user_num_int<<endl;
}
ui->log->show();
ui->reg->hide();
ui->userID_reg->clear();
ui->userPassword_reg->clear();
ui->userPassword_reg_2->clear();
ui->userMail->clear();
// qDebug()<<path;
// qDebug()<<file.fileName();
// QString arr = ui->userID_reg->text();
// file.write(arr.toStdString().data());
// arr = ui->userPassword_reg->text();
// file.write(arr.toStdString().data());
// arr = ui->userMail->text();
// file.write(arr.toStdString().data());
// file.close();
// QTextStream txtInput(&file);
// QString userNum;
// //txtInput>>userNum;
// qint64 pos = file.size();
// file.seek(pos);
// qDebug()<<userNum;
// txtInput<<1<<endl;
// QString str = ui->userID_reg->text();
// txtInput<<str<<endl;
// str = ui->userPassword_reg->text();
// txtInput<<str<<endl;
// str = ui->userMail->text();
// txtInput<<str<<endl;
// QString str_1("test");
// txtInput<<str_1<<endl;
// file.close();
// QTextStream in(&file);
// if (file.open(QFile::ReadOnly|QFile::Text)){
// ui->username->setText(in.readAll());
// }
// else qDebug()<<"read failed";
}