JpegLib是一款免费开源的图片库，我用它将bmp转换成jpg。下面是代码：#include"BMPFILE.H"#include"Jpegfile.h"BOOLBMP2JPG(constchar*bmp_file,constchar*jpg_file){try{BMPFilebmpFile;BYTE*m_buf;UINTm_width,m_height;m_buf=bmpFile.LoadBMP(bmp_file,&m_width,&m_height);if((m_buf==NULL)||(bmp