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  • Ubuntu下Codeblocks+wxWidgets编程,学生公寓管理系统,基于窗体(使用wxFormbuilder拉取控件)。C++,sqlite3

    /***************************************************************
     * Name:      StuManaMain.cpp
     * Purpose:   Code for Application Frame
     * Author:    Zhangaihua (62*********@qq.com)
     * Created:   2014-05-20
     * Copyright: Zhangaihua ()
     * License:
     **************************************************************/
    #ifdef WX_PRECOMP
    #include "wx_pch.h"
    #endif
    #ifdef __BORLANDC__
    #pragma hdrstop
    #endif //__BORLANDC__
    #include "StuManaMain.h"
    #include<sqlite3.h>
    //helper functions
    enum wxbuildinfoformat {
        short_f, long_f };


    wxString wxbuildinfo(wxbuildinfoformat format)
    {
        wxString wxbuild(wxVERSION_STRING);


        if (format == long_f )
        {
    #if defined(__WXMSW__)
            wxbuild << _T("-Windows");
    #elif defined(__WXMAC__)
            wxbuild << _T("-Mac");
    #elif defined(__UNIX__)
            wxbuild << _T("-Linux");
    #endif


    #if wxUSE_UNICODE
            wxbuild << _T("-Unicode build");
    #else
            wxbuild << _T("-ANSI build");
    #endif // wxUSE_UNICODE
        }


        return wxbuild;
    }




    StuManaFrame::StuManaFrame(wxFrame *frame)
        : GUIFrame(frame)
    {
    #if wxUSE_STATUSBAR
        statusBar->SetStatusText(_("Hello Code::Blocks user!"), 0);
        statusBar->SetStatusText(wxbuildinfo(short_f), 1);
    #endif
    }


    StuManaFrame::~StuManaFrame()
    {
    }


    void StuManaFrame::OnClose(wxCloseEvent &event)
    {
        Destroy();
    }


    void StuManaFrame::OnQuit(wxCommandEvent &event)
    {
        Destroy();
    }


    void StuManaFrame::OnAbout(wxCommandEvent &event)
    {
        wxString msg = wxbuildinfo(long_f);
    //    wxMessageBox(msg, _("Welcome to..."));
    }
    void StuManaFrame::OnAdd(wxCommandEvent &event)
    {
       //add student's dormitory infomation
        sqlite3 *db=NULL;
    int flag;
        char *errmsg;
    flag = sqlite3_open("./stuinfo.db",&db);
    if(SQLITE_OK != flag)
    {
            wxLogMessage("Database connect failed!");
    exit(-1);
    }
        char id[20], name[20], dorid[20], phone[20], qq[20],sex[10];
        strcpy(id, m_id->GetValue().mb_str());
        strcpy(name, m_name->GetValue().mb_str());
        strcpy(dorid, m_dormitoryid->GetValue().mb_str());
        strcpy(phone, m_phone->GetValue().mb_str());
        strcpy(qq, m_qq->GetValue().mb_str());
        strcpy(sex, m_sex->GetValue().mb_str());
        if(strcmp("", id) == 1)
        {
           wxLogMessage("the stu's id can not be null");
           return;
        }
         if(strcmp("", name) == 1)
        {
           wxLogMessage("the stu's name can not be null");
           return;
        }
        char st[500];
        sprintf(st, "insert into stu values('%s', '%s', '%s', '%s', '%s','%s');",
                id, name, dorid, phone, qq,sex);
        if(sqlite3_exec(db,st,NULL,NULL,&errmsg) != SQLITE_OK)
        {
            wxLogMessage("Error");
            wxLogMessage(errmsg);
            return;
        }
        else
        {
            wxLogMessage("add success!!");
            wxString str="";
            m_id->SetValue(str);
            m_name->SetValue(str);
            m_dormitoryid->SetValue(str);
            m_phone->SetValue(str);
            m_qq->SetValue(str);
            m_sex->SetValue(str);
            return;
        }
        sqlite3_close(db);
    }
    void StuManaFrame::OnDelete(wxCommandEvent &event)
    {
       //delete student's dormitory infomation
        sqlite3 *db=NULL;
    int flag;
        char *errmsg;
        char stuid[20];
    flag = sqlite3_open("./stuinfo.db",&db);
    if(SQLITE_OK != flag)
    {
            wxLogMessage("Database connect failed!");
    exit(-1);
    }
        strcpy(stuid, m_deleteid->GetValue().mb_str());
        if(strcmp("", stuid) == 0)
        {
           wxLogMessage("the stu's id deleted can not be null");
           return;
        }
        char sql1[500];
        sprintf(sql1,"select * from stu where id = '%s';",stuid);
        if(sqlite3_exec(db,sql1,NULL,NULL,&errmsg)!=SQLITE_OK)
        {
            wxLogMessage("Error!The student not exists! ");
            return;


        }
            char *sql=sqlite3_mprintf("delete from stu where id ='%s';",stuid);
            if(sqlite3_exec(db,sql,NULL,NULL,&errmsg) != SQLITE_OK)
            {
                wxLogMessage("Error");
                wxLogMessage(errmsg);
                return;
            }
            else
            {
                wxLogMessage("delete success!!");
                wxString str="";
                m_deleteid->SetValue(str);
                return;
            }
        sqlite3_close(db);
    }


    void StuManaFrame::OnModify(wxCommandEvent &event)
    {
       //modify student's dormitory infomation
        sqlite3 *db=NULL;
    int flag;
        char *errmsg;
    flag = sqlite3_open("./stuinfo.db",&db);
    if(SQLITE_OK != flag)
    {
            wxLogMessage("Database connect failed!");
    exit(-1);
    }
    char modifyid[20], modifyname[20], modifydorid[20], modifyphone[20], modifyqq[20],modifysex[10];
        strcpy(modifyid, m_modifyid->GetValue().mb_str());
        strcpy(modifyname, m_modifyname->GetValue().mb_str());
        strcpy(modifydorid, m_modifydorid->GetValue().mb_str());
        strcpy(modifyphone, m_modifyphone->GetValue().mb_str());
        strcpy(modifyqq, m_modifyqq->GetValue().mb_str());
        strcpy(modifysex, m_modifysex->GetValue().mb_str());
        if(strcmp("", modifyid) == 0)
        {
           wxLogMessage("the stu's id can not be null");
           return;
        }
        char st[500];
        char *sql=sqlite3_mprintf("select count(*) from stu where id='%s';",modifyid);
        sqlite3_stmt *pstmt;
        sqlite3_prepare(db, sql, strlen(sql), &pstmt, NULL);
        sqlite3_step(pstmt);
        int count=sqlite3_column_int(pstmt,0);
        sqlite3_finalize(pstmt);
        if(count<0)
        {
            wxLogMessage("the student not exist. ");
            wxLogMessage(errmsg);
            return;
        }
        sprintf(st, "update stu set name='%s',dormitoryid='%s', phone='%s',qq='%s', sex='%s' where id='%s';",modifyname,modifydorid,modifyphone,modifyqq,modifysex,modifyid);
        if(sqlite3_exec(db,st,NULL,NULL,&errmsg) != SQLITE_OK)
        {
            wxLogMessage("Error");
            wxLogMessage(errmsg);
            return;
        }
        else
        {
            wxLogMessage("modify success!");
            wxString str="";
            m_modifyid->SetValue(str);
            m_modifyname->SetValue(str);
            m_modifydorid->SetValue(str);
            m_modifyphone->SetValue(str);
            m_modifyqq->SetValue(str);
            m_modifysex->SetValue(str);
            return;
        }
        sqlite3_close(db);
    }
    void StuManaFrame::OnSearch(wxCommandEvent &event)
    {
       //search student's dormitory infomation
        sqlite3 *db=NULL;
    int flag;
        char *errmsg;
        char **dbresult;
        int nrow,ncolumn;//search jilushu and ziduanshu
        int i,j,index;
    flag = sqlite3_open("./stuinfo.db",&db);
    if(SQLITE_OK != flag)
    {
            wxLogMessage("Database connect failed!");
    exit(-1);
    }
    char searchid[20],searchname[20];
        strcpy(searchid, m_searchid->GetValue().mb_str());
        strcpy(searchname, m_searchname->GetValue().mb_str());
        if(strcmp("", searchid) == 0 || strcmp("", searchid) == 0)
        {
           wxLogMessage("the stu's search id and name can not be null at the same time!");
           return;
        }
        char *sql=sqlite3_mprintf("select * from stu where id ='%s' or name='%s';",searchid,searchname);
        wxString str1;
        if(sqlite3_get_table(db,sql,&dbresult,&nrow,&ncolumn,&errmsg) != SQLITE_OK)
        {
            wxLogMessage("Error");
            wxLogMessage(errmsg);
            return;
        }
        else
        {
            index=ncolumn;
            for(i=0;i<nrow;i++)
            {
                for(j=0;j<ncolumn;j++)
                {
                    str1=str1+" "+dbresult[j]+":"+dbresult[index];
                    ++index;
                }
                wxPuts(" ");


            }
            wxLogMessage("The search result is: %s. ",str1);
            sqlite3_free_table(dbresult);
            wxString str="";
            m_searchid->SetValue(str);
            m_searchname->SetValue(str);
            return;
        }
        sqlite3_close(db);
    }
    void StuManaFrame::OnExit(wxCommandEvent &event)
    {
       //exit the student system
        Destroy();
    }

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  • 原文地址:https://www.cnblogs.com/zhangaihua/p/3759982.html
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