comlib/java调用Qt数据库/nowjavadll/Global.cpp

#include <QString>
#include <string.h>
#include <stdio.h>
#include <QCoreApplication>
#include "Global.h"
#include "CommonFunc.h"
#include "WriteLog.h"

int QStr2Utf8(const QString &str, char *pStr, int len)
{
    int iret;
    char * pData;
    QByteArray btemp;

    btemp = str.toUtf8();
    pData = btemp.data();
    if(! pStr)
    {
        WRITE_LOG("字符串转换 %s 失败, 缓冲区指针为空",pData);
        return -1;
    }

    iret =strlen(pData);
    if(iret >= len)
    {
        WRITE_LOG("字符串转换 %s 失败, 缓冲区长度不足 %d ",pData,len);
        return -2;
    }

    strcpy(pStr,pData);

    return iret;
}
int  CreateJsonData(QDateTime dt,int ano,QString &qstr,char * buf,int iLen)
{
    char tmpbuf[512];
    char databuf[256];
    QString qtemp;
    int iret;

    memset(tmpbuf, 0,sizeof(tmpbuf));
    strcpy(tmpbuf,"{\"classNo\":");

    sprintf(databuf,"%d",ano);
    strcat(tmpbuf,databuf);

    //strcpy(buf,"")
    strcat(tmpbuf,",\"className\":\"");
    memset(databuf, 0, sizeof(databuf));
    iret = QStr2Utf8(qstr,databuf,200);
    if(iret <0)
    {
        return -1;
    }

    strcat(tmpbuf,databuf);
    strcat(tmpbuf,"\",\"classDate\":\"");

    qtemp = dt.toString("yyyy-MM-dd");
    memset(databuf, 0, sizeof(databuf));
    iret = QStr2Utf8(qtemp,databuf,50);
    if(iret <0)
    {
        return -2;
    }

    strcat(tmpbuf,databuf);
    strcat(tmpbuf,"\"}");

    iret =strlen(tmpbuf);
    if(iret >=iLen)
    {
        return -3;
    }

    strcpy(buf,tmpbuf);
    return 0;
}

void changechar(char * buf, char dest,char sourece)
{
    int iLen;
    if(! buf)
    {
        return;
    }

    iLen =strlen(buf);
    if(0 == iLen)
    {
        return;
    }

    for(int i=0; i<iLen; i++)
    {
         if(sourece == (buf[i]))
         {
             buf[i] = dest;
         }
    }
}

void checkPathEnd(char * path)
{
    int iLen;
    if(! path)
    {
        return;
    }

    iLen = strlen(path);
    if(0 == iLen)
    {
        return;
    }

    if( '/' == path[iLen-1])
    {
        return;
    }

    path[iLen] = '/';
   // iLen = strlen(path);;
}

int isDigitStr(QString src)
{
    QByteArray ba = src.toLatin1();//QString 转换为 char*

    const char *s = ba.data();
    while(*s && *s>='0' && *s<='9') s++;
    if (*s)
    {
         return -1;
    }
    else
    {
        return 0;
    }
}

int SetDllPath(char * path)
{
    int ilen;
    int inum;
    //int iret;
    char * ptr;
    char buf[8192];
    QString tmpPath;
    QString SqlPath;
    QString m_libPath;
    QString qstr;

     m_libPath =path;
     m_libPath = m_libPath.left(m_libPath.size()-1);
     tmpPath = QString("PATH=");
     tmpPath += m_libPath;
     tmpPath += ";";

     SqlPath = m_libPath +"/sqldrivers"+";";

     tmpPath += SqlPath;

    // tmpPath += getenv("PATH");
     ptr = getenv("PATH");
     if(ptr)
     {
         ilen = strlen(ptr);
         if(ilen >7000)
         {
              WRITE_LOG("getenv 字符串长度太大");
              return -2;
         }
         qstr = GBK2QStr(ptr,ilen);
         tmpPath += qstr;
     }

     tmpPath.replace("/","\\");
     memset(buf,0,sizeof(buf));
     QStr2GBK(tmpPath,buf,8000);

     putenv(buf);
    // putenv(tmpPath.toLocal8Bit().data());
    // WRITE_LOG(tmpPath.toUtf8().data());
    WRITE_LOG("putenv is %s",buf);

     tmpPath = m_libPath;
     tmpPath.replace("\\","/");
     QCoreApplication::addLibraryPath(tmpPath);
     WRITE_LOG("addlibrarypath is %s",tmpPath.toUtf8().data());
    // tmpPath +=";";
     SqlPath = m_libPath +"/sqldrivers";
     SqlPath.replace("\\","/");
     QCoreApplication::addLibraryPath(SqlPath);
     WRITE_LOG("addlibrarypath is %s",SqlPath.toUtf8().data());

    return 0;

}

int SetLogPath(char * path)
{
    int ilen;
    int inum;
    //int iret;
   // char * ptr;
    char buf[384];
    QString tmpPath;
    QString SqlPath;
    QString m_libPath;
    QString qstr;


    memset(buf,0,sizeof(buf));
    strcpy(buf, path);
    ilen = strlen(buf);
    inum =0;
    for(int i=(ilen -1); i>0; i--)
    {
         if(buf[i] == '/')
         {
             inum++;
             if(2 == inum)
             {
                 buf[i] =0;
                 m_libPath =buf;
                 strcat(buf,"/log/");
                 InitLogDir(buf);
                 break;
                 //return 0;
             }
         }
    }

    if(inum != 2)
    {
        WRITE_LOG("SetlogPath fail %s",buf);
        return -1;
    }

    return 0;
}