ObjectArx开发对txt文本文件的操作一例

admin · 发表于 2024-3-16 09:45:50

// 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---

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