1. 实现密码加密保存。 2. 增加弹出信息框。

algorithm.h

+#ifndef ALGORITHM_H
+#define ALGORITHM_H
+#include <QCryptographicHash>
+#include <QByteArray>
+#include <QDateTime>
+
+// md5字符串分段点
+const qint8 pwd[] = {0, 5, 7, 13, 21, 32};
+
+QByteArray encrypt(const QByteArray &plaintext)
+{
+    QByteArray md5 = QCryptographicHash::hash(QByteArray::number(QDateTime::currentMSecsSinceEpoch()), QCryptographicHash::Md5).toHex();
+
+    QByteArray base64 = plaintext.toBase64();
+    int group = base64.length() / 4;
+
+    QByteArray cipertext = "";
+    for(int i=0; i<5; i++)
+    {
+        cipertext += md5.mid(pwd[i], pwd[i+1]-pwd[i]);
+        cipertext += base64.mid(i*group, group);
+    }
+
+    return cipertext;
+}
+
+QByteArray decrypt(const QByteArray &ciphertext)
+{
+    int group = (ciphertext.length()-(pwd[5]-pwd[0])) / 4;
+    QByteArray base64 = "";
+    for(int i=0; i<5; i++)
+    {
+        base64 += ciphertext.mid(pwd[i+1]-pwd[0]+i*group, group);
+    }
+    QByteArray plaintext = QByteArray::fromBase64(base64);
+    return plaintext;
+}
+
+#endif // ALGORITHM_H

fmp_home.pro

@@ -23,7 +23,8 @@ SOURCES +=\
     fmp_he_handlers.cpp \
     fmnumpad.cpp \
     fmp_home_settings.cpp \
-    fmp_flicker.cpp
+    fmp_flicker.cpp \
+    fmp_message.cpp
 
 HEADERS  += fmp_home.h \
     fmp_home_plugin_p.h \
@@ -37,12 +38,15 @@ HEADERS  += fmp_home.h \
     fmp_he_handlers.h \
     fmnumpad.h \
     fmp_home_settings.h \
-    fmp_flicker.h
+    fmp_flicker.h \
+    algorithm.h \
+    fmp_message.h
 
 FORMS    += \
     fmp_home_navwindow.ui \
     fmp_login.ui \
-    fmnumpad.ui
+    fmnumpad.ui \
+    fmp_message.ui
 
 unix {
     target.path = /usr/lib

fmp_home_settings.cpp

@@ -60,6 +60,16 @@ QString FMPHomeSettings::getStroeId()
     return _GetValue(FMP_INIKEY_LOGINSTOREID).toString();
 }
 
+bool FMPHomeSettings::getIsRememberPwd()
+{
+    return _GetValue(FMP_INIKEY_REMEMBERPWD, false).toBool();
+}
+
+bool FMPHomeSettings::setIsRememberPwd(bool isRemember)
+{
+    return _SetValue(FMP_INIKEY_REMEMBERPWD, isRemember);
+}
+
 QVariant FMPHomeSettings::_GetValue(const QString &key, QVariant defaultValue)
 {
     if (_settings) {

fmp_home_settings.h

@@ -51,6 +51,14 @@ public:
      */
     QString getStroeId();
 
+    /**
+     * @brief getIsRememberPwd setIsRememberPwd
+     * 获取/设置是否记住登录密码
+     * @return
+     */
+    bool getIsRememberPwd();
+    bool setIsRememberPwd(bool isRemember);
+
 private:
     explicit FMPHomeSettings(QObject *parent = 0);
 

fmp_login.cpp

 #include "fmp_login.h"
 #include "ui_fmp_login.h"
+#include "algorithm.h"
 #include "fmp_home_settings.h"
-#include <QMessageBox>
+#include "fmp_message.h"
 #include <QDesktopWidget>
 #include <QJsonDocument>
 #include <QJsonObject>
 #include <QJsonParseError>
+#include <QProcess>
+#include <QFile>
 #include "fmnetwork.h"
 #include <QDebug>
 
@@ -28,6 +31,14 @@ FMPLogin::FMPLogin(QDialog *parent) :
     _url = FMPHomeSettings::instance()->getServer();
     _storeId = FMPHomeSettings::instance()->getStroeId();
     _partnerId = FMPHomeSettings::instance()->getPartnerId();
+
+    if(FMPHomeSettings::instance()->getIsRememberPwd()) {
+        QString userName, password;
+        readPassword(userName, password);
+        ui->user_edit->setText(userName);
+        ui->pwd_edit->setText(password);
+        ui->remember_check->setChecked(true);
+    }
 }
 
 FMPLogin::~FMPLogin()
@@ -37,12 +48,22 @@ FMPLogin::~FMPLogin()
 
 void FMPLogin::on_login_btn_clicked()
 {
+    if(ui->user_edit->text().isEmpty()) {
+        FMPMessage::critical(this, QString::fromLocal8Bit("账号不能为空"));
+        ui->user_edit->setFocus();
+        return;
+    } else if(ui->pwd_edit->text().isEmpty()) {
+        FMPMessage::critical(this, QString::fromLocal8Bit("密码不能为空"));
+        ui->pwd_edit->setFocus();
+        return;
+    }
+
     this->setEnabled(false);
 
     if(login(ui->user_edit->text(), ui->pwd_edit->text())) {
         this->close();
     } else {
-        QMessageBox::critical(this, "Login Failed", _errorMsg);
+        FMPMessage::critical(this, _errorMsg);
         this->setEnabled(true);
         ui->pwd_edit->clear();
         ui->pwd_edit->setFocus();
@@ -75,7 +96,17 @@ bool FMPLogin::login(QString userName, QString password)
             _errorMsg = error.errorString();
         }
     }
-    return isLogined();
+
+    if(isLogined()) {
+        if(ui->remember_check->isChecked()) {
+            FMPHomeSettings::instance()->setIsRememberPwd(true);
+            savePassword(userName, password);
+        } else {
+            FMPHomeSettings::instance()->setIsRememberPwd(false);
+        }
+        return true;
+    }
+    return false;
 }
 
 void FMPLogin::onFocusChanged(QWidget *, QWidget *now)
@@ -84,3 +115,46 @@ void FMPLogin::onFocusChanged(QWidget *, QWidget *now)
 //        ui->numpad->setLineEdit(qobject_cast<QLineEdit*>(now));
     }
 }
+
+void FMPLogin::savePassword(const QString &userName, const QString &pwd)
+{
+    bool isCreate = false;
+    QString fileName = qApp->applicationDirPath() + "/.fmp";
+    QFile file(fileName);
+    isCreate = !file.exists();
+    if(!file.open(QIODevice::WriteOnly)) {
+        return;
+    }
+
+    QDataStream out(&file);
+    out << encrypt(userName.toUtf8());
+    out << encrypt(pwd.toUtf8());
+    file.close();
+
+    if(isCreate) {
+        QString program = "attrib";
+        QStringList arguments;
+        arguments << "+h" << fileName;
+        QProcess *process = new QProcess(this);
+        process->start(program, arguments);
+        process->waitForFinished(3000);
+    }
+}
+
+void FMPLogin::readPassword(QString &userName, QString &pwd)
+{
+    QFile file(qApp->applicationDirPath() + "/.fmp");
+    if(!file.open(QIODevice::ReadOnly)) {
+        return;
+    }
+
+    QDataStream out(&file);
+
+    QByteArray n, p;
+    out >> n >> p;
+
+    userName = decrypt(n);
+    pwd = decrypt(p);
+
+    file.close();
+}

fmp_login.h

@@ -26,6 +26,7 @@ public:
     QString         userName() {return _userName;}
     QString         errorMsg() {return _errorMsg;}
 
+
 private slots:
     void on_login_btn_clicked();
 
@@ -40,6 +41,9 @@ private:
     QString         _url;
     QString         _storeId;
     QString         _partnerId;
+
+    void savePassword(const QString &userName, const QString &pwd);
+    void readPassword(QString &userName, QString &pwd);
 };
 
 #endif // FMP_LOGIN_H

fmp_login.ui

@@ -83,6 +83,12 @@
   border-left: 0;
 }
 
+#remember_check {
+	font: 300 15px "Microsoft YaHei";
+	max-height: 20px;
+	margin-bottom: 10px;
+}
+
 #login_btn {
   min-height: 56px;
   background: rgb(99, 148, 235);
@@ -200,7 +206,7 @@
     <widget class="QWidget" name="user" native="true">
      <layout class="QVBoxLayout" name="verticalLayout_2">
       <property name="spacing">
-       <number>25</number>
+       <number>0</number>
       </property>
       <property name="leftMargin">
        <number>124</number>
@@ -219,6 +225,9 @@
         <property name="spacing">
          <number>0</number>
         </property>
+        <property name="bottomMargin">
+         <number>20</number>
+        </property>
         <item>
          <widget class="QLabel" name="user_label">
           <property name="margin">
@@ -284,6 +293,16 @@
        </layout>
       </item>
       <item>
+       <widget class="QCheckBox" name="remember_check">
+        <property name="cursor">
+         <cursorShape>PointingHandCursor</cursorShape>
+        </property>
+        <property name="text">
+         <string>记住密码</string>
+        </property>
+       </widget>
+      </item>
+      <item>
        <widget class="QPushButton" name="login_btn">
         <property name="sizePolicy">
          <sizepolicy hsizetype="Preferred" vsizetype="Preferred">

fmp_message.cpp

+#include "fmp_message.h"
+#include "ui_fmp_message.h"
+
+FMPMessage::FMPMessage(QWidget *parent) : QDialog(parent), ui(new Ui::FMPMessage)
+{
+    ui->setupUi(this);
+
+    setAttribute(Qt::WA_TranslucentBackground);
+    ui->widget->setWindowOpacity(1);
+    setGeometry(parent->geometry());
+    this->move(parent->pos());
+    setWindowFlags(Qt::FramelessWindowHint| Qt::Tool );
+
+    connect(ui->btn_confirm, &QPushButton::clicked, this, &FMPMessage::accept);
+
+    qRegisterMetaType<FMPMessage::Type>("FMPMessage::Type");
+
+    //setStyleSheet("QWidget#mainWdg{background:rgba(110,110,110,0.5)}");
+}
+
+FMPMessage::~FMPMessage()
+{
+    delete ui;
+}
+
+void FMPMessage::SetContent(FMPMessage::Type type, const QString &msg)
+{
+    switch (type) {
+
+    case FMPMessage::SUCCESS:
+        ui->btn_confirm->setVisible(true);
+        ui->label_logo->setStyleSheet("#label_logo {background: url(:/img/loading.png) center no-repeat;}");
+        break;
+    case FMPMessage::ERROR:
+        ui->btn_confirm->setVisible(true);
+        ui->label_logo->setStyleSheet("#label_logo {background: url(:/img/fmclient-icon_payment_fail.png) center no-repeat;}");
+        break;
+    case FMPMessage::LOADING:
+        ui->label_logo->setStyleSheet("#label_logo {background: url(:/img/loading.png) center no-repeat;}");
+        ui->btn_confirm->setVisible(false);
+        break;
+    default:
+        ui->btn_confirm->setVisible(true);
+        ui->label_logo->setStyleSheet("#label_logo {background: url(:/img/loading.png) center no-repeat;}");
+        break;
+    }
+
+    ui->label_msg->setText(msg);
+}
+
+int FMPMessage::critical(QWidget *parent, const QString &msg)
+{
+    FMPMessage window(parent);
+    window.SetContent(FMPMessage::ERROR, msg);
+    return window.exec();
+}

fmp_message.h

+#ifndef WAITDIALOG_H
+#define WAITDIALOG_H
+
+#include <QDialog>
+
+namespace Ui {
+class FMPMessage;
+}
+
+class FMPMessage : public QDialog
+{
+    Q_OBJECT
+
+public:
+    explicit FMPMessage(QWidget *parent = 0);
+
+    ~FMPMessage();
+
+    typedef enum
+    {
+        SUCCESS=0,
+        ERROR,
+        LOADING
+    }Type;
+
+    void SetContent(FMPMessage::Type type, const QString& msg);
+
+    static int critical(QWidget *parent, const QString &msg);
+
+private:
+
+    Ui::FMPMessage *ui;
+
+};
+
+#endif // WAITDIALOG_H

fmp_message.ui

+<?xml version="1.0" encoding="UTF-8"?>
+<ui version="4.0">
+ <class>FMPMessage</class>
+ <widget class="QDialog" name="FMPMessage">
+  <property name="geometry">
+   <rect>
+    <x>0</x>
+    <y>0</y>
+    <width>553</width>
+    <height>414</height>
+   </rect>
+  </property>
+  <property name="windowTitle">
+   <string>Dialog</string>
+  </property>
+  <property name="styleSheet">
+   <string notr="true">#FMPPayWait
+{
+opacity: 223;
+background-color: rgb(148, 148, 148, 0);
+}
+
+#label_logo {
+  background: url(:/img/loading.png) no-repeat center;
+}</string>
+  </property>
+  <layout class="QHBoxLayout" name="horizontalLayout_4">
+   <property name="spacing">
+    <number>0</number>
+   </property>
+   <property name="leftMargin">
+    <number>0</number>
+   </property>
+   <property name="topMargin">
+    <number>0</number>
+   </property>
+   <property name="rightMargin">
+    <number>0</number>
+   </property>
+   <property name="bottomMargin">
+    <number>0</number>
+   </property>
+   <item>
+    <widget class="QWidget" name="mainWdg" native="true">
+     <layout class="QVBoxLayout" name="verticalLayout_2">
+      <property name="spacing">
+       <number>0</number>
+      </property>
+      <property name="leftMargin">
+       <number>0</number>
+      </property>
+      <property name="topMargin">
+       <number>0</number>
+      </property>
+      <property name="rightMargin">
+       <number>0</number>
+      </property>
+      <property name="bottomMargin">
+       <number>0</number>
+      </property>
+      <item>
+       <spacer name="verticalSpacer_3">
+        <property name="orientation">
+         <enum>Qt::Vertical</enum>
+        </property>
+        <property name="sizeHint" stdset="0">
+         <size>
+          <width>20</width>
+          <height>182</height>
+         </size>
+        </property>
+       </spacer>
+      </item>
+      <item>
+       <layout class="QHBoxLayout" name="horizontalLayout_3">
+        <item>
+         <spacer name="horizontalSpacer_5">
+          <property name="orientation">
+           <enum>Qt::Horizontal</enum>
+          </property>
+          <property name="sizeHint" stdset="0">
+           <size>
+            <width>13</width>
+            <height>20</height>
+           </size>
+          </property>
+         </spacer>
+        </item>
+        <item>
+         <widget class="QWidget" name="widget" native="true">
+          <property name="minimumSize">
+           <size>
+            <width>344</width>
+            <height>222</height>
+           </size>
+          </property>
+          <property name="maximumSize">
+           <size>
+            <width>344</width>
+            <height>222</height>
+           </size>
+          </property>
+          <property name="styleSheet">
+           <string notr="true">#widget
+{
+	background-color: rgb(255, 255, 255);
+	border: 1 solid silver;
+	border-radius:8px;
+	opacity:0;
+}</string>
+          </property>
+          <layout class="QVBoxLayout" name="verticalLayout">
+           <property name="spacing">
+            <number>0</number>
+           </property>
+           <property name="leftMargin">
+            <number>0</number>
+           </property>
+           <property name="topMargin">
+            <number>0</number>
+           </property>
+           <property name="rightMargin">
+            <number>0</number>
+           </property>
+           <property name="bottomMargin">
+            <number>0</number>
+           </property>
+           <item>
+            <spacer name="verticalSpacer">
+             <property name="orientation">
+              <enum>Qt::Vertical</enum>
+             </property>
+             <property name="sizeHint" stdset="0">
+              <size>
+               <width>20</width>
+               <height>40</height>
+              </size>
+             </property>
+            </spacer>
+           </item>
+           <item>
+            <layout class="QHBoxLayout" name="horizontalLayout_2">
+             <property name="spacing">
+              <number>0</number>
+             </property>
+             <item>
+              <spacer name="horizontalSpacer">
+               <property name="orientation">
+                <enum>Qt::Horizontal</enum>
+               </property>
+               <property name="sizeHint" stdset="0">
+                <size>
+                 <width>40</width>
+                 <height>20</height>
+                </size>
+               </property>
+              </spacer>
+             </item>
+             <item>
+              <widget class="QLabel" name="label_logo">
+               <property name="minimumSize">
+                <size>
+                 <width>64</width>
+                 <height>64</height>
+                </size>
+               </property>
+               <property name="maximumSize">
+                <size>
+                 <width>64</width>
+                 <height>64</height>
+                </size>
+               </property>
+               <property name="styleSheet">
+                <string notr="true"/>
+               </property>
+               <property name="text">
+                <string/>
+               </property>
+              </widget>
+             </item>
+             <item>
+              <widget class="QLabel" name="label_msg">
+               <property name="minimumSize">
+                <size>
+                 <width>161</width>
+                 <height>0</height>
+                </size>
+               </property>
+               <property name="maximumSize">
+                <size>
+                 <width>16777215</width>
+                 <height>16777215</height>
+                </size>
+               </property>
+               <property name="font">
+                <font>
+                 <family>微软雅黑</family>
+                 <pointsize>-1</pointsize>
+                 <weight>50</weight>
+                 <italic>false</italic>
+                 <bold>false</bold>
+                </font>
+               </property>
+               <property name="styleSheet">
+                <string notr="true">#label_msg
+{
+	color: rgb(100, 100, 100);
+	font: 22px &quot;微软雅黑&quot;;
+}</string>
+               </property>
+               <property name="text">
+                <string>支付中...</string>
+               </property>
+               <property name="wordWrap">
+                <bool>true</bool>
+               </property>
+              </widget>
+             </item>
+             <item>
+              <spacer name="horizontalSpacer_2">
+               <property name="orientation">
+                <enum>Qt::Horizontal</enum>
+               </property>
+               <property name="sizeType">
+                <enum>QSizePolicy::Expanding</enum>
+               </property>
+               <property name="sizeHint" stdset="0">
+                <size>
+                 <width>13</width>
+                 <height>57</height>
+                </size>
+               </property>
+              </spacer>
+             </item>
+            </layout>
+           </item>
+           <item>
+            <spacer name="verticalSpacer_2">
+             <property name="orientation">
+              <enum>Qt::Vertical</enum>
+             </property>
+             <property name="sizeHint" stdset="0">
+              <size>
+               <width>20</width>
+               <height>40</height>
+              </size>
+             </property>
+            </spacer>
+           </item>
+           <item>
+            <widget class="QPushButton" name="btn_confirm">
+             <property name="minimumSize">
+              <size>
+               <width>121</width>
+               <height>62</height>
+              </size>
+             </property>
+             <property name="maximumSize">
+              <size>
+               <width>16777215</width>
+               <height>62</height>
+              </size>
+             </property>
+             <property name="cursor">
+              <cursorShape>PointingHandCursor</cursorShape>
+             </property>
+             <property name="styleSheet">
+              <string notr="true">#btn_confirm
+{
+	font: normal 26px &quot;微软雅黑&quot;;
+	border: 1 solid silver;
+	border-top: 0;
+	border-bottom-right-radius: 8px;
+	border-bottom-left-radius: 8px;
+	background-color: rgb(93, 144, 236);
+	color: rgb(255, 255, 255);
+}</string>
+             </property>
+             <property name="text">
+              <string>确认</string>
+             </property>
+            </widget>
+           </item>
+          </layout>
+          <zorder>verticalSpacer</zorder>
+          <zorder>verticalSpacer_2</zorder>
+          <zorder>btn_confirm</zorder>
+         </widget>
+        </item>
+        <item>
+         <spacer name="horizontalSpacer_6">
+          <property name="orientation">
+           <enum>Qt::Horizontal</enum>
+          </property>
+          <property name="sizeHint" stdset="0">
+           <size>
+            <width>13</width>
+            <height>20</height>
+           </size>
+          </property>
+         </spacer>
+        </item>
+       </layout>
+      </item>
+      <item>
+       <spacer name="verticalSpacer_4">
+        <property name="orientation">
+         <enum>Qt::Vertical</enum>
+        </property>
+        <property name="sizeHint" stdset="0">
+         <size>
+          <width>20</width>
+          <height>181</height>
+         </size>
+        </property>
+       </spacer>
+      </item>
+     </layout>
+     <zorder>verticalSpacer_4</zorder>
+     <zorder>verticalSpacer_3</zorder>
+     <zorder></zorder>
+    </widget>
+   </item>
+  </layout>
+ </widget>
+ <resources/>
+ <connections/>
+</ui>