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标题: double型怎样转换成char型附源码 [打印本页]

作者: haidong2008 时间: 2009-12-25 12:00
标题: double型怎样转换成char型附源码
//////////////////////////////////////////////////////////////////////////////
//
//  5.cpp
//
//  Description:
//    Contains Unigraphics entry points for the application.
//
//////////////////////////////////////////////////////////////////////////////
//  Include files
#include <math.h>
#include <stdlib.h>
#include <stdio.h>
#include <uf.h>
#include <uf_disp.h>
#include <uf_modl.h>
#include <uf_ui.h>
#include <uf_object_types.h>
#if ! defined ( __hp9000s800 ) && ! defined ( __sgi ) && ! defined ( __sun )
# include <strstream>
# include <iostream>
using std:

strstream;
using std::endl;
using std::ends;
using std::cerr;
#else
# include <strstream.h>
# include <iostream.h>
#endif
#include "6.h"
//----------------------------------------------------------------------------
//  Activation Methods
//----------------------------------------------------------------------------
//  Unigraphics Startup
//    This entry point activates the application at Unigraphics startup
extern "C" DllExport void ufsta( char *param, int *returnCode, int rlen )
{
/* Initialize the API environment */
int errorCode = UF_initialize();
if ( 0 == errorCode )
{
  tag_t block_max;
  double block_orig[3]={0.0,0.0,0.0};
  double x=100.0,y=100.0,z=100.0;
  char   mx [256];
  char my [256];
  char   mz [256];
  char * block_len[3];
  sprintf(mx,"x的边长是:%f\n",x);
  sprintf(my,"y的边长是:%f\n",y);
  sprintf(mz,"x的边长是:%f\n",z);
  UF_UI_open_listing_window();
  UF_UI_write_listing_window(mx);
  UF_UI_write_listing_window(my);
  UF_UI_write_listing_window(mz);
  block_len[0]=mx;
  block_len[1]=my;
  block_len[2]=mz;
  UF_FEATURE_SIGN sign=UF_NULLSIGN;
  UF_MODL_create_block1(sign,block_orig,block_len,&block_max);
      errorCode = UF_terminate();
}
/* Print out any error messages */
PrintErrorMessage( errorCode );
}
//----------------------------------------------------------------------------
//  Utilities
//----------------------------------------------------------------------------
// Unload Handler
//    This function specifies when to unload your application from Unigraphics.
//    If your application registers a callback (from a MenuScript item or a
//    User Defined Object for example), this function MUST return
//    "UF_UNLOAD_UG_TERMINATE".
extern "C" int ufusr_ask_unload( void )
{
return( UF_UNLOAD_UG_TERMINATE );
}
/* PrintErrorMessage
**
**    Prints error messages to standard error and the Unigraphics status
**    line. */
static void PrintErrorMessage( int errorCode )
{
if ( 0 != errorCode )
{
      /* Retrieve the associated error message */
      char message[133];
      UF_get_fail_message( errorCode, message );
      /* Print out the message */
      UF_UI_set_status( message );
      // Construct a buffer to hold the text.
      ostrstream error_message;
      // Initialize the buffer with the required text.
      error_message << endl
                  << "Error:" << endl
                  << message
                  << endl << endl << ends;
   // Write the message to standard error
      cerr << error_message.str();
}
}

作者: look_tfq 时间: 2009-12-25 13:03
用sprintf命令

作者: look_tfq 时间: 2009-12-25 13:06
char tempStr[133]="";
double a=150.30;
sprintf(tempStr,"%.3f",a);
我一般这样转换的

作者: haidong2008 时间: 2009-12-25 13:17
谢谢，我先试一下了。

作者: haidong2008 时间: 2009-12-25 13:25
我试一了下，还是不行，生成不了BLOCK.。老大能帮我改一下代码么，谢谢了！

作者: haidong2008 时间: 2009-12-25 13:46
终于搞定了！

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