基于QT设计一个春联自动生成器

{ 
"text": "新水",
"index": 0
}

{   
    "couplets" : {
       "first":  "新春新水千山绿",
       "second": "春色春风万户红",
       "center": "喜迎新春"
    }
}

//获取春联
void Widget::get_CoupletText(QString terms,int index)
{
    function_select=1;
    QString requestUrl;
    QNetworkRequest request;
​
    //存放图片BASE64编码
    QString imgData;
​
    //打包请求参数赋值
    QjsonObject post_data;
    QJsonDocument document;
​
    //设置请求地址
    QUrl url;
    QByteArray post_param;
​
    //请求地址
    requestUrl = "https://aip.baidubce.com/rpc/2.0/creation/v1/couplets";
​
    //设置数据提交格式
    request.setHeader(QNetworkRequest::ContentTypeHeader, QVariant("application/json"));
​
    //设置请求参数:
    post_data.insert("text",terms); //字符串（限5字符数以内）即春联的主题
    post_data.insert("index",index);  //int 整数 默认为数值为0，即第一幅春联。每换一次，数值加1即可，一定数量后会返回之前的春联结果。
​
    //构造请求
    url.setUrl(requestUrl + "?access_token=" + Token);
    request.setUrl(url);
​
    document.setObject(post_data);
    post_param = document.toJson(QJsonDocument::Compact);
​
    //发送请求
    manager->post(request, post_param);
}

//解析反馈结果
void Widget::replyFinished(QNetworkReply *reply)
{
    int statusCode = reply->attribute(QNetworkRequest::HttpStatusCodeAttribute).toInt();
​
    //读取所有数据
    QByteArray replyData = reply->readAll();
​
    qDebug()<<"状态码:"<<statusCode;
    qDebug()<<"反馈的数据:"<<QString(replyData);
​
    //判断状态码
    if(200 != statusCode)
    {
        return;
    }
​
    
    if(function_select==1) //春联生成
    {
        //解析数据
        QJsonParseError json_error;
        QJsonDocument document = QJsonDocument::fromJson(replyData, &json_error);
        if(json_error.error == QJsonParseError::NoError)
        {
            //判断是否是对象,然后开始解析数据
            if(document.isObject())
            {
                QJsonObject obj = document.object();
                //解析错误代码
                if(obj.contains("error_code"))
                {
                    int error_code=obj.take("error_code").toInt();
                    switch (error_code)
                    {
                    case 0: //成功
                        break;
                    case 110:
                    case 111:
                        QMessageBox::infORMation(this,"提示","正在更新密匙.确定后重试.",
                        QMessageBox::Ok,QMessageBox::Ok);
​
                        //更新密匙
                        QTimer::singleShot(200, this, SLOT(updateCaption()));
                        return;
​
                    default:
                        if(obj.contains("error_msg"))
                        {
                            QString text=obj.take("error_msg").toString();
                            QMessageBox::information(this,"提示",text,
                            QMessageBox::Ok,QMessageBox::Ok);
                            return;
                        }
                    }
                }
                else if(obj.contains("couplets"))
                {
                    QJsonObject obj2=obj.take("couplets").toObject();
​
                    QString center; //横批
                    QString first;  //上联-第一
                    QString second; //下联第二
​
                    if(obj2.contains("center"))
                    {
                        center=obj2.take("center").toString();
                    }
                    if(obj2.contains("first"))
                    {
                        first=obj2.take("first").toString();
                    }
                    if(obj2.contains("second"))
                    {
                        second=obj2.take("second").toString();
                    }
​
                    ui->label_0->setText(center);
​
                    QString first_1="\n";
                    for(int i=0;i<first.size();i++)
                    {
                        first_1+=first.at(i);
                        first_1+="\n";
                    }
​
                    QString second_1="\n";
                    for(int i=0;i<second.size();i++)
                    {
                        second_1+=second.at(i);
                        second_1+="\n";
                    }
​
                    ui->label_1->setText(first_1);
                    ui->label_2->setText(second_1);
​
                    qDebug()<<"上联:"<<first;
                    qDebug()<<"下联:"<<second;
                    qDebug()<<"横批:"<<center;
                }
             }
         }
    }
    //更新token
    else if(function_select==4)
    {
        //解析数据
        QJsonParseError json_error;
        QJsonDocument document = QJsonDocument::fromJson(replyData, &json_error);
        if(json_error.error == QJsonParseError::NoError)
        {
            //判断是否是对象,然后开始解析数据
            if(document.isObject())
            {
                QJsonObject obj = document.object();
                //解析token
                if(obj.contains("access_token"))
                {
                     QString data_token=obj.take("access_token").toString();
                     Token=data_token.toUtf8();
                     qDebug()<<"更新的Token:"<<data_token;
                     //保存到文件
                     SaveDataToFile(Token);
                     QMessageBox::information(this,"提示","密匙更新成功.",
                     QMessageBox::Ok,QMessageBox::Ok);
                }
            }
        }
        return;
    }
}

void Widget::SaveDataToFile(QString text)
{
    
    QString file;
    file=QCoreApplication::applicationDirPath()+"/"+ConfigFile;
    QFile filesrc(file);
    filesrc.open(QIODevice::WriteOnly);
    QDataStream out(&filesrc);
    out << text;  //序列化写字符串
    filesrc.flush();
    filesrc.close();
}
​
​

QString Widget::ReadDataFile(void)
{
    //读取配置文件
    QString text,data;
    text=QCoreApplication::applicationDirPath()+"/"+ConfigFile;
​
    //判断文件是否存在
    if(QFile::exists(text))
    {
        QFile filenew(text);
        filenew.open(QIODevice::ReadOnly);
        QDataStream in(&filenew); // 从文件读取序列化数据
        in >> data; //提取写入的数据
        filenew.close();
    }
    return data; //返回值读取的值
}