[]新手关于字符串的有关问题
[求助]新手关于字符串的问题
#include <stdio.h>
#include <iostream>
#include<string.h>
#include<sstream>
using namespace std;
void escapechar()
{
string s;
cout<<"please enter words\n";
getline(cin,s);
int a=s.length();
for(int i=0;i<a;i++)
{
if(s[i]==' ')
cout<<"\\s";
else if(s[i]=='\n')
cout<<"\\n";
else if(s[i]=='\r')
cout<<"\\r";
else if(s[i]=='\t')
cout<<"\\t";
else if(isdigit(s[i] ))
cout<<"\\"<<s[i];
else
cout<<s[i];
}
system ("pause");
}
int main ()
{
escapechar();
return 0;
}
新手做作业,做到最后一步实在进行不下去了,求各位帮个忙,就是如何把escapechar里cout的内容放进一个string变量里?我想如果可以就直接cout string变量,而不是逐个cout,求各位高手解答
------解决方案--------------------
#include <stdio.h>
#include <iostream>
#include<string.h>
#include<sstream>
using namespace std;
void escapechar()
{
string s;
string result;
cout<<"please enter words\n";
getline(cin,s);
int a=s.length();
for(int i=0;i<a;i++)
{
if(s[i]==' ')
result+="\\s";
else if(s[i]=='\n')
result+="\\n";
else if(s[i]=='\r')
result+="\\r";
else if(s[i]=='\t')
result+="\\t";
else if(isdigit(s[i] ))
result+=string("\\")+s[i];
else
result+=s[i];
}
cout<<result;
system ("pause");
}
int main ()
{
escapechar();
return 0;
}
#include <stdio.h>
#include <iostream>
#include<string.h>
#include<sstream>
using namespace std;
void escapechar()
{
string s;
cout<<"please enter words\n";
getline(cin,s);
int a=s.length();
for(int i=0;i<a;i++)
{
if(s[i]==' ')
cout<<"\\s";
else if(s[i]=='\n')
cout<<"\\n";
else if(s[i]=='\r')
cout<<"\\r";
else if(s[i]=='\t')
cout<<"\\t";
else if(isdigit(s[i] ))
cout<<"\\"<<s[i];
else
cout<<s[i];
}
system ("pause");
}
int main ()
{
escapechar();
return 0;
}
新手做作业,做到最后一步实在进行不下去了,求各位帮个忙,就是如何把escapechar里cout的内容放进一个string变量里?我想如果可以就直接cout string变量,而不是逐个cout,求各位高手解答
------解决方案--------------------
#include <stdio.h>
#include <iostream>
#include<string.h>
#include<sstream>
using namespace std;
void escapechar()
{
string s;
string result;
cout<<"please enter words\n";
getline(cin,s);
int a=s.length();
for(int i=0;i<a;i++)
{
if(s[i]==' ')
result+="\\s";
else if(s[i]=='\n')
result+="\\n";
else if(s[i]=='\r')
result+="\\r";
else if(s[i]=='\t')
result+="\\t";
else if(isdigit(s[i] ))
result+=string("\\")+s[i];
else
result+=s[i];
}
cout<<result;
system ("pause");
}
int main ()
{
escapechar();
return 0;
}