#include <QtCore/QCoreApplication>
#include "zlib.h"
#include "stdio.h"
#include <iostream>
using
namespace
std;
#define MaxBufferSize 999999
void
Test1();
void
Test2();
int
main(
int
argc,
char
*argv[])
{
QCoreApplication a(argc, argv);
//Test1();
Test2();
return
a.exec();
}
//c++ zlib
void
Test1()
{
FILE* File_src;
FILE* File_compress;
FILE* File_uncompress;
unsigned
long
len_src;
unsigned
long
len_compress;
unsigned
long
len_uncompress;
unsigned
char
*buffer_src =
new
unsigned
char
[MaxBufferSize];
unsigned
char
*buffer_compress =
new
unsigned
char
[MaxBufferSize];
unsigned
char
*buffer_uncompress =
new
unsigned
char
[MaxBufferSize];
File_src = fopen(
"src.txt"
,
"r"
);
File_compress = fopen(
"compress.txt"
,
"w"
);
File_uncompress = fopen(
"uncompress.txt"
,
"w"
);
//compress
len_src = fread(buffer_src,
sizeof
(
char
),MaxBufferSize-1,File_src);
compress(buffer_compress,&len_compress,buffer_src,len_src);
fwrite(buffer_compress,
sizeof
(
char
),len_compress,File_compress);
cout <<
"normal zlib:"
<< endl;
cout <<
"src:\n"
<< buffer_src <<
",length:"
<< len_src << endl << endl;
cout <<
"compress:\n"
<< buffer_compress <<
",length:"
<< len_compress << endl << endl;
//uncompress
uncompress(buffer_uncompress,&len_uncompress,buffer_compress,len_compress);
fwrite(buffer_uncompress,
sizeof
(
char
),len_uncompress,File_uncompress);
cout <<
"uncompress:\n"
<< buffer_uncompress <<
",length:"
<< len_uncompress << endl << endl;
fclose(File_src);
fclose(File_compress);
fclose(File_uncompress);
}
//qt zlib
void
Test2()
{
QByteArray src;
src.append(
"中华人民共和国,china mobile,123456"
);
unsigned
long
len_compress;
unsigned
long
len_uncompress;
unsigned
char
*buffer_compress =
new
unsigned
char
[MaxBufferSize];
unsigned
char
*buffer_uncompress =
new
unsigned
char
[MaxBufferSize];
compress(buffer_compress,&len_compress,(Bytef*)src.data(), src.length());
uncompress(buffer_uncompress,&len_uncompress,buffer_compress,len_compress);
cout <<
"qt zlib:"
<< endl;
cout <<
"src:\n"
<< src.data() <<
",length:"
<< src.size() << endl << endl;
cout <<
"compress:\n"
<< buffer_compress <<
",length:"
<< len_compress << endl << endl;
cout <<
"uncompress:\n"
<< buffer_uncompress <<
",length:"
<< len_uncompress << endl << endl;
}
