linux c 语言实现进度条

时间：2010-10-30 来源：jiejiehehu

#include <stdio.h>
#include <stdlib.h>
#include <getopt.h>
#include <string.h>
void drawper(int iFirst, int iSecnd, char* spOut)
{
static int iCrlmm = 0;
int iPer = iFirst*100/iSecnd;

if(iFirst==iSecnd)
    sprintf(spOut, "[ %d%]\n", iPer);
else if( iCrlmm == 0)
    sprintf(spOut, "[| %d%]\r", iPer);
else if( iCrlmm == 1)
    sprintf(spOut, "[/ %d%]\r", iPer);
else if( iCrlmm == 2)
    sprintf(spOut, "[- %d%]\r", iPer);
else if( iCrlmm == 3)
    sprintf(spOut, "[\\ %d%]\r", iPer);

if(iCrlmm==3)
    iCrlmm=0;
else
    iCrlmm++;
} void proessview()
{
char szStr[255] = "=======================";
int iStrLen = strlen(szStr);
char cTmp       = '>';
char szOut[10] = "";
int i = 0;
for( i= 0; i<=iStrLen; i++)
{
    memset( szOut, 0, sizeof(szOut) );

    szStr[i] = cTmp;
    drawper(i, iStrLen, szOut);
    memcpy(szStr+iStrLen, szOut, strlen(szOut) );
    fseek(stdout, 0, SEEK_SET);
    fprintf(stdout, szStr);
    fflush(stdout);

    usleep(50000);
}
}
main()
{
   proessview();
}

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