qt http封装

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达达智能 2023-02-22 10:47:06 博主文章分类：QT ©著作权

文章标签 qt http 开发语言 #include Data 文章分类 代码人生

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api.h

#ifndef API_H
#define API_H
typedef void (*ReqCallBack)(QByteArray data);//声明函数指针类型
#define BASE_URI "http://192.168.110.169:6801/hikari-cloud"
#endif // API_H

HttpClient.h

#ifndef HTTPCLIENT_H
#define HTTPCLIENT_H
#include <QMap>
#include <QObject>
#include "utils/api.h"
class HttpClient : public QObject {
    Q_OBJECT

public:
    static HttpClient& getInstance()
    {
        static HttpClient instance;
        return instance;
    }
    void reqGet(QString endUrl,QMap<QString,QString> paramMap,ReqCallBack reqCallBack);
    void reqPost(QString endUrl,QMap<QString,QString> paramMap,ReqCallBack reqCallBack);
    void reqFile(QString endUrl,QString filePath,QMap<QString,QString> paramMap,ReqCallBack reqCallBack);

private:
    HttpClient();
    HttpClient(const HttpClient&){}
    HttpClient& operator==(const HttpClient&){}
};


#endif // HTTPCLIENT_H

HttpClient.cpp

#include "HttpClient.h"
#include "utils/HttpThread.h"

HttpClient::HttpClient(){

}
void HttpClient::reqGet(QString endUrl,QMap<QString,QString> paramMap,ReqCallBack reqCallBack){
    HttpThread* httpThread=new HttpThread();
    httpThread->mParamMap=paramMap;
    httpThread->mEndUrl=endUrl;
    httpThread->mReqCallBack=reqCallBack;
    httpThread->mReqType=0;
    httpThread->start();
}
void HttpClient::reqPost(QString endUrl,QMap<QString,QString> paramMap,ReqCallBack reqCallBack){
    HttpThread* httpThread=new HttpThread();
    httpThread->mParamMap=paramMap;
    httpThread->mEndUrl=endUrl;
    httpThread->mReqCallBack=reqCallBack;
    httpThread->mReqType=1;
    httpThread->start();
}

void HttpClient::reqFile(QString endUrl,QString filePath,QMap<QString,QString> paramMap,ReqCallBack reqCallBack){
    HttpThread* httpThread=new HttpThread();
    httpThread->mParamMap=paramMap;
    httpThread->mEndUrl=endUrl;
    httpThread->mReqCallBack=reqCallBack;
    httpThread->mReqType=2;
    httpThread->mFilePath=filePath;
    httpThread->start();
}

HttpThread.h

#ifndef HTTPTHREAD_H
#define HTTPTHREAD_H
#include <QMap>
#include <QThread>
#include "utils/api.h"

class HttpThread : public QThread{
    Q_OBJECT

public:
    QMap<QString,QString> mParamMap;
    QString mEndUrl;
    int mReqType=0;//0:get 1:post 2:文件传输
    QString mFilePath;

    ReqCallBack mReqCallBack;


private:
    void run();
    void get();
    void post();
    void filePost();

};
#endif // HTTPTHREAD_H

HttpThread.cpp

#include "HttpThread.h"
#include <QDebug>
#include <QNetworkAccessManager>
#include <QNetworkReply>
#include <QDebug>
#include "utils/api.h"
#include <QEventLoop>
#include <QFuture>
#include <QtConcurrentRun>
#include <QMap>
#include <QHttpMultiPart>
#include <QFile>

void HttpThread::get(){
    qDebug()<<"HttpThread  :  "<<QThread::currentThread();
    QNetworkAccessManager* netAccessManager= new QNetworkAccessManager;
    QString reqUrlStr=BASE_URI+this->mEndUrl;
    QUrl reqUrl =reqUrlStr;
    QMap<QString, QString>::const_iterator iterator;
    for( iterator=mParamMap.constBegin(); iterator!=mParamMap.constEnd(); ++iterator){
        qDebug() << iterator.key() <<"        " <<iterator.value();
        reqUrl.addQueryItem( iterator.key(),iterator.value());
    }
    qDebug()<<"url:"<<reqUrl;
    QNetworkRequest request;
    request.setRawHeader("Content-Type", "application/x-www-form-urlencoded; charset=UTF-8");
    request.setUrl(reqUrl);
    QNetworkReply *reply =  netAccessManager->get(request);
    /* 等待请求返回结果 */
    QEventLoop loop;
    connect(netAccessManager, SIGNAL(finished(QNetworkReply*)), &loop, SLOT(quit()));//finish为manager自带的信号，replyFinished是自定义的
    loop.exec();
    if (reply->error() == QNetworkReply::NoError){
        QByteArray recData = reply->readAll();
        this->mReqCallBack(recData);
        qDebug()<<"req success:" << recData;
    }else {
        qDebug()<<"req error";
    }

    /* 释放 reply 内存, 否则会造成内存泄漏 */
    reply->deleteLater();
    reply=NULL;

}



void HttpThread::post(){
    qDebug()<<"HttpThread  :  "<<QThread::currentThread();
    QNetworkAccessManager* netAccessManager= new QNetworkAccessManager;
    QString reqUrlStr=BASE_URI+this->mEndUrl;
    QUrl reqUrl =reqUrlStr;
    QByteArray postData;
    postData.append("token=xxx");
    QMap<QString, QString>::const_iterator iterator;
    for( iterator=mParamMap.constBegin(); iterator!=mParamMap.constEnd(); ++iterator){
        qDebug() << iterator.key() <<"        " <<iterator.value();
        postData.append("&" +iterator.key()+"="+iterator.value());
    }
    QNetworkRequest request;
    request.setRawHeader("Content-Type", "application/x-www-form-urlencoded; charset=UTF-8");
    request.setUrl(reqUrl);
    QNetworkReply *reply =  netAccessManager->post(request,postData);
    /* 等待请求返回结果 */
    QEventLoop loop;
    connect(netAccessManager, SIGNAL(finished(QNetworkReply*)), &loop, SLOT(quit()));//finish为manager自带的信号，replyFinished是自定义的
    loop.exec();
    if (reply->error() == QNetworkReply::NoError){
        QByteArray recData = reply->readAll();
        this->mReqCallBack(recData);
        qDebug()<<"req success:" << recData;
    }else {
        qDebug()<<"req error";
    }

    /* 释放 reply 内存, 否则会造成内存泄漏 */
    reply->deleteLater();
    reply=NULL;

}




void HttpThread::filePost(){
    qDebug()<<"HttpThread  :  "<<QThread::currentThread();
    QNetworkAccessManager* netAccessManager= new QNetworkAccessManager;
    QString reqUrlStr=BASE_URI+this->mEndUrl;
    QUrl reqUrl =reqUrlStr;
    QMap<QString, QString>::const_iterator iterator;
    for( iterator=mParamMap.constBegin(); iterator!=mParamMap.constEnd(); ++iterator){
        qDebug() << iterator.key() <<"        " <<iterator.value();
        reqUrl.addQueryItem( iterator.key(),iterator.value());
    }
    qDebug()<<"url:"<<reqUrl;
    QNetworkRequest request;
    request.setUrl(reqUrl);
    QHttpMultiPart *paramPart = new QHttpMultiPart(QHttpMultiPart::FormDataType);
    QHttpPart filePart;
    QFile *file = new QFile(mFilePath);
    file->open(QIODevice::ReadOnly);
    qDebug()<<"===file size===:"<<file->size()<<file->fileName();
    filePart.setHeader(QNetworkRequest::ContentDispositionHeader, QVariant("form-data; name='file'; filename="+file->fileName()));
    filePart.setBodyDevice(file);
    file->setParent(paramPart);
    paramPart->append(filePart);
    QNetworkReply *reply =  netAccessManager->post(request,paramPart);
    /* 等待请求返回结果 */
    QEventLoop loop;
    connect(netAccessManager, SIGNAL(finished(QNetworkReply*)), &loop, SLOT(quit()));//finish为manager自带的信号，replyFinished是自定义的
    loop.exec();
    if (reply->error() == QNetworkReply::NoError){
        QByteArray recData = reply->readAll();
        this->mReqCallBack(recData);
        qDebug()<<"req success:" << recData;
    }else {
        qDebug()<<"req error";
    }

    /* 释放 reply 内存, 否则会造成内存泄漏 */
    reply->deleteLater();
    reply=NULL;

}


void HttpThread::run(){
    if(this->mReqType==0){
        this->get();
    }else if(this->mReqType==1){
        this->post();
    }else if(this->mReqType==2){
        this->filePost();
    }
}

调用

HttpClient::getInstance().reqGet("/test/fun1",map,[=](QByteArray recData) mutable{
//        qDebug("====回调成功的数据======");
        qDebug()<<"call back data========:" << recData;
    });