#include <cstdio>
#include <cstdlib>
#include <cstring>
#include <iostream>
using namespace std;
void sscanf_test(void)
{
int ret;
char *string;
int digit;
char buf1[255];
char buf2[255];
char buf3[255];
char buf4[255];
/*1.最简单的用法*/
cout<<"======================================"<<endl;
string = "UESTC EE 4200802";
ret = sscanf(string, "%s %s %d", buf1, buf2, &digit);
printf("1.string=%s\n", string);
printf("1.ret=%d, buf1=%s, buf2=%s, digit=%d\n\n", ret, buf1, buf2, digit);
/***********************************************
1.string=UESTC EE 4200802
1.ret=3, buf1=UESTC, buf2=EE, digit=4200802
***************************************************/
/*2.取指定长度的字符串*/
cout<<"======================================"<<endl;
string = "123456789";
sscanf(string, "%5s", buf1);
printf("2.string=%s\n", string);
printf("2.buf1=%s\n\n", buf1);
/****************************************
2.string=123456789
2.buf1=12345
***************************************/
/*3.取到指定字符为止的字符串*/
cout<<"======================================"<<endl;
string = "123/456";
sscanf(string, "%[^/]", buf1);
printf("3.string=%s\n", string);
printf("3.buf1=%s\n\n", buf1);
/********************************************
3.string=123/456
3.buf1=123
********************************************/
/*4.取到指定字符集为止的字符串*/
cout<<"======================================"<<endl;
string = "123abcABC";
sscanf(string, "%[^A-Z]", buf1);
printf("4.string=%s\n", string);
printf("4.buf1=%s\n\n", buf1);
/***********************************
4.string=123abcABC
4.buf1=123abc
************************************/
/*5.取仅包含指定字符集的字符串*/
cout<<"======================================"<<endl;
string = "0123abcABC";
sscanf(string, "%[0-9]%[a-z]%[A-Z]", buf1, buf2, buf3);
printf("5.string=%s\n", string);
printf("5.buf1=%s, buf2=%s, buf3=%s\n\n", buf1, buf2, buf3);
/*******************************************
5.string=0123abcABC
5.buf1=0123, buf2=abc, buf3=ABC
*******************************************/
/*6.获取指定字符中间的字符串*/
cout<<"======================================"<<endl;
string = "ios<Android>wp7";
sscanf(string, "%*[^<]<%[^>]", buf1);
printf("6.string=%s\n", string);
printf("6.buf1=%s\n\n", buf1);
/*************************************
6.string=ios<Android>wp7
6.buf1=Android
***************************************/
/*7.指定要跳过的字符串*/
cout<<"======================================"<<endl;
string = "iosVSandroid";
sscanf(string, "%[a-z]VS%[a-z]", buf1, buf2);
printf("7.string=%s\n", string);
printf("7.buf1=%s, buf2=%s\n\n", buf1, buf2);
/*******************************
7.string=iosVSandroid
7.buf1=ios, buf2=android
************************************/
/*8.分割以某字符隔开的字符串*/
cout<<"======================================"<<endl;
string = "android-iphone-wp7";
/************************************************
**字符串取道'-'为止,后面还需要跟着分隔符'-',
**起到过滤作用,有点类似于第7点
*************************************************/
sscanf(string, "%[^-]-%[^-]-%[^-]", buf1, buf2, buf3);
printf("8.string=%s\n", string);
printf("8.buf1=%s, buf2=%s, buf3=%s\n\n", buf1, buf2, buf3);
/***********************************************
8.string=android-iphone-wp7
8.buf1=android, buf2=iphone, buf3=wp7
**************************************************/
/*9.提取邮箱地址*/
cout<<"======================================"<<endl;
string = "Email:[email protected]";
sscanf(string, "%[^:]:%[^@]@%[^.].%s", buf1, buf2, buf3, buf4);
printf("9.string=%s\n", string);
printf("9.buf1=%s, buf2=%s, buf3=%s, buf4=%s\n\n", buf1, buf2, buf3, buf4);
/**************************************
9.string=Email:[email protected]
9.buf1=Email, buf2=shihui512, buf3=139, buf4=com
*************************************/
}
int main(int argc, char **argv)
{
sscanf_test();
return 0;
}
/******************************************
======================================
1.string=UESTC EE 4200802
1.ret=3, buf1=UESTC, buf2=EE, digit=4200802
======================================
2.string=123456789
2.buf1=12345
======================================
3.string=123/456
3.buf1=123
======================================
4.string=123abcABC
4.buf1=123abc
======================================
5.string=0123abcABC
5.buf1=0123, buf2=abc, buf3=ABC
======================================
6.string=ios<Android>wp7
6.buf1=Android
======================================
7.string=iosVSandroid
7.buf1=ios, buf2=android
======================================
8.string=android-iphone-wp7
8.buf1=android, buf2=iphone, buf3=wp7
======================================
9.string=Email:[email protected]
9.buf1=Email, buf2=shihui512, buf3=139, buf4=com
Process returned 0 (0x0) execution time : 0.109 s
Press any key to continue.
*******************************************/
