ObjectArx开发对txt文本文件的操作一例

// MyArxFirst.cpp : 定义 DLL 应用程序的导出函数。 //ObjectArx开发对txt文本文件的操作一例 #include "stdafx.h" #include <aced.h> #include <rxregsvc.h> #include <tchar.h> #include <fstream> #include <iostream> // #include <comdef.h> using namespace std; //定义两个函数 void initApp(); void unloadApp(); //定义命令函数 //------------------------------------------ //打印"Hello world!"在AutoCAD Command上 的命令 void hello(); //打印文件内容 的命令 void pfvalue(); //ado连接数据库的方法 的命令 void pdbvalue(); //定义一般函数 //------------------------------------------ ACHAR* ConvertCharPtrToAcharPtr(const char* src); ACHAR* ConvertCharPtrToAcharPtr2(const char* src); // char* ConvertAcharPtrToCharPtr(const ACHAR* src); char* ConvertAcharPtrToCharPtr2(const ACHAR* src); //通用转换函数 _bstr_t Get_bstr_t(char* src); _bstr_t Get_bstr_t_W(wchar_t* src); char* GetCharPtr(_bstr_t bstrt); wchar_t* GetWchar_t(_bstr_t bstrt); //打印函数 void pfvalue_default(const ACHAR* filepath); //打印文件内容2 函数 void pfvalue2(const ACHAR* filepath); //ado连接数据库的方法 函数 void pdbvalue(const ACHAR *filepath); //------------------------------------------ extern "C" AcRx::AppRetCode acrxEntryPoint(AcRx::AppMsgCode msg, void* pkt) //void acrxEntryPoint(void* pkt) { switch (msg) { case AcRx::kInitAppMsg: acrxDynamicLinker->unlockApplication(pkt); acrxRegisterAppMDIAware(pkt); initApp(); break; case AcRx::kUnloadAppMsg: unloadApp(); break; default: break; } return AcRx::kRetOK; } void initApp() { //register a command with the AutoCAD command mechanism //string macro 用法: //_T("helloworld") or __T("helloworld") or ACRX_T("helloworld") acedRegCmds->addCommand(ACRX_T("HELLOWORLD_COMMANDS"), ACRX_T("ArxHsgBag"), ACRX_T("Hello"), ACRX_CMD_TRANSPARENT, hello); acedRegCmds->addCommand(ACRX_T("PFVALUE_COMMANDS"), ACRX_T("ArxHsgBag"), ACRX_T("pfvalue"), ACRX_CMD_TRANSPARENT, pfvalue); acedRegCmds->addCommand(ACRX_T("PDBVALUE_COMMANDS"), ACRX_T("ArxHsgBag"), ACRX_T("pdbvalue"), ACRX_CMD_TRANSPARENT, pdbvalue); // } void unloadApp() { acedRegCmds->removeGroup(ACRX_T("HELLOWORLD_COMMANDS")); acedRegCmds->removeGroup(ACRX_T("PFVALUE_COMMANDS")); acedRegCmds->removeGroup(ACRX_T("PDBVALUE_COMMANDS")); } //---------------------------------------------------- //hello命令 void hello() { acutPrintf(ACRX_T("\n第一个Arx程序Hello World!")); } //打印文件内容 命令 void pfvalue() { acutPrintf(_T("开始输出文件内信息：\n")); const ACHAR* filepath=ACRX_T("d:\\test.txt"); //OK acutPrintf(filepath); //OK pfvalue_default(filepath); //OK pfvalue2(filepath); //OK } //输出数据库表内记录的命令 void pdbvalue() { acutPrintf(_T("开始输出数据库表内记录：\n")); //... } //---------------------------------------------------- ACHAR* ConvertCharPtrToAcharPtr(const char* src) { ACHAR* tmp; _bstr_t AStr = src; LPWSTR AstrW = LPTSTR(AStr); tmp=(ACHAR *)AstrW; return tmp; } ACHAR* ConvertCharPtrToAcharPtr2(const char* src) { // Convert to a wchar_t* size_t srcsize = strlen(src) + 1; size_t newsize = srcsize; size_t convertedChars = 0; wchar_t *wcstring; wcstring=new wchar_t[newsize]; mbstowcs_s(&convertedChars, wcstring, srcsize, src, _TRUNCATE); //wcscat_s(wcstring, L" (wchar_t *)"); //wcout << wcstring << endl; return wcstring; } char* ConvertAcharPtrToCharPtr(const ACHAR* src) // { char* tmp; _bstr_t bstrt(src); tmp=GetCharPtr(bstrt); return tmp; } char* ConvertAcharPtrToCharPtr2(const ACHAR* src) { // Convert to a char* size_t srcsize = wcslen(src) + 1; size_t newsize = srcsize; size_t convertedChars = 0; char *nstring; nstring=new char[newsize]; wcstombs_s(&convertedChars, nstring, srcsize, src, _TRUNCATE); return nstring; } // _bstr_t Get_bstr_t(char* src) { _bstr_t bstrt(src); return bstrt; } _bstr_t Get_bstr_t_W(wchar_t* src) { // Convert to a _bstr_t _bstr_t bstrt(src); //bstrt += " (_bstr_t)"; //cout << bstrt << endl; return bstrt; } char* GetCharPtr(_bstr_t bstrt) { // Convert to a char* size_t newsize = bstrt.length()+1; char *nstring;nstring=new char[newsize]; strcpy_s(nstring,newsize,(char *)bstrt); //strcat_s(nstring, " (char *)"); //cout << nstring << endl; return nstring; } wchar_t* GetWchar_t(_bstr_t bstrt) { // Convert to a wchar_t* int srcsize=bstrt.length()+1; wchar_t *wcstring;wcstring=new wchar_t[srcsize]; wcscpy_s(wcstring,srcsize,(wchar_t *)bstrt); //wcscat_s(wcstring, L" (wchar_t *)"); //wcout << wcstring << endl; return wcstring; } //CComBSTR GetCComBSTR(char* src) //{ // // Convert to a CComBSTR // CComBSTR ccombstr(src); // /*if (ccombstr.Append(L" (CComBSTR)") == S_OK) // { // CW2A printstr(ccombstr); // cout << printstr << endl; // }*/ // return ccombstr; //} //---------------------------------------------------- //打印文件内容1 C文件操作函数 OK void pfvalue_default(const ACHAR* filepath) { acutPrintf(_T("\n-----下面是c文件操作函数打开的内容-----\n")); acutPrintf(filepath);acutPrintf(_T("\n")); FILE *fp; int linesize=4000; char *line;line=new char[linesize]; const char* path=ConvertAcharPtrToCharPtr(filepath); ACHAR* wtmp=ConvertCharPtrToAcharPtr(path); acutPrintf(wtmp);acutPrintf(_T("\n")); if((fp=fopen(path,"r"))==NULL) { acutPrintf(_T("\nfile cannot be opened\n")); } else { const ACHAR* tmp; while(!feof(fp)) { if(fgets(line,linesize,fp)!=NULL) { tmp=ConvertCharPtrToAcharPtr(line); acutPrintf(tmp); } } fclose(fp); } } //打印文件内容2 ifstream类 OK void pfvalue2(const ACHAR* filepath) { //--file2 open //filepath="d:\\test.txt"; acutPrintf(ACRX_T("\n")); acutPrintf(filepath); ifstream r(filepath,ifstream.in); if(!r) { acutPrintf(ACRX_T("打开文件出错!")); } else { const ACHAR* tmpAchar; //char line[4000]; //[100]2000 int linesize=4000; char* line;line=new char[linesize]; while(r>>line) { tmpAchar=ConvertCharPtrToAcharPtr(line); acutPrintf(tmpAchar); acutPrintf(ACRX_T("\n")); } r.close(); acutPrintf(ACRX_T("输出文件内容完毕!")); } } //ObjectARX offers the following input functions. //Refer to the ObjectARX Online Help for a complete description of //how to use these functions. //acedGetInt used to get an integer value //acedGetReal used to get a real value //acedGetString used to get a string //acedGetAngle used to get a angle value //acedGetKword used to get a key word //acedInitGet used to initialize acedGetXXXX functions //acedGetFileD used to retrieve file selection from a file dialog //acedGetPoint used to pick a point //acedGetDist used to get the distance between two points //acedGetCorner see Online Help for a complete description // //ObjectARX offers the following functions for selection of AutoCAD entities. //(Again refer to the ObjectARX Online Help for a complete description of //how to use these functions). // //acedEntSel used to select a single entity //acedNEntSel used to select a single, nested entity //acedNEntSelP used to select a single, nested entity //acutSSGet used to select multiple entities //--the---end---