我有一些代码,但无法编译。我无法进一步讨论这个示例,因为每次我尝试调试时都会出现此错误。
注意:我是Java程序员,VS中的这条消息很奇怪,我找不到问题所在。有人可以解释一下这个错误是什么意思吗?
这是代码:
zadatak.cpp:
// zadatak.cpp : Defines the entry point for the console application.
//
#include "stdafx.h"
#include "String.h"
#include <iostream>
using namespace std;
void main()
{
String s1(20),s2(20);
cout<<"Unesi prvi string."<<endl;
cin>>s1;
cout<<"Unesi drugi string."<<endl;
cin>>s2;
++s1;
s2++;
String s3(40);
s3=s1+s2;
cout<<"Treci string: "<<s3<<endl;
}
字符串.cpp:
#include "String.h"
#include <iostream>
using namespace std;
#include <string.h>
String::String(void)
:duzina(0)
{
niz=new char[duzina];
}
String::String(int br)
:duzina(br)
{
this->niz=new char[duzina];
}
String::~String(void)
{
delete [] niz;
}
String::String(String& s)
:duzina(s.duzina)
{
this->niz=new char[this->duzina];
for(int i=0; i<this->duzina; i++)
this->niz[i]=s.niz[i];
}
void String::nadjiPocetak(char rec[])
{
int poc=0;
for(int i=0; i<this->duzina; i++)
{
int duz=0;
if(this->niz[i]==rec[0])
{
int l=strlen(rec);
for(int j=0; j<l; j++)
if(this->niz[i+j]==rec[j])
duz+=1;
}
if(duz==strlen(rec))
poc=i;
}
if(poc==0)
cout<<"U stringu ne postoji zadati string."<<endl;
else
cout<<"Pocetak je na poziciji: "<<poc+1<<endl;
}
/*void String::ucitaj()
{
cout<<"Unesi string"<<endl;
cin>>this->niz;
}
void String::prikazi()
{
cout<<"String: "<<this->niz<<endl;
}*/
String& String::operator+ (String s)
{
String *s1;
s1=new String(duzina+s.duzina);
strcpy(s1->niz,niz);
strcat(s1->niz,s.niz);
return *s1;
}
String& String::operator++ ()
{
if(niz[0]>='a' && niz[0]<='z')
niz[0]='A'+niz[0]-'a';
return *this;
}
String& String::operator++ (int n)
{
for(int i=0; i<duzina; i++)
if(niz[i]>='a' && niz[i]<='z')
niz[i]='A'+niz[i]-'a';
return *this;
}
String& String::operator= (String& s)
{
duzina=s.duzina;
delete [] niz;
niz=new char[duzina];
strcpy(niz,s.niz);
return *this;
}
istream& operator>> (istream& in, String& s)
{
in>>s.niz;
return in;
}
ostream& operator<< (ostream& out, String& s)
{
out<<s.niz;
return out;
}
字符串.h:
#pragma once
#include <iostream>
using namespace std;
class String
{
private:
int duzina;
char* niz;
public:
String(void);
String(int br);
~String(void);
String(String& s);
int vratiDuzinu() {return this->duzina;}
void nadjiPocetak(char rec[]);
//void ucitaj();
//void prikazi();
String& operator+ (String s);
String& operator++ ();
String& operator++ (int n);
String& operator= (String& s);
friend istream& operator>> (istream& in, String& s);
friend ostream& operator<< (ostream& out, String& s);
};
Visual Studio 在输出中给出的错误是:
1>------ 构建开始:项目:zadatak,配置:调试 Win32------
1>构建于 12/13/2011 02:44:50 AM 开始。
1>初始化构建状态:
1> 触摸“Debug\zadatak.unsuccessfulbuild”。
1>Cl编译:
1> 所有输出都是最新的。
1> zadatak.cpp
1> 字符串.cpp
1>c:\users\ivo\documents\visual studio 2010\projects\zadatak\zadatak\string.cpp(1): 警告 C4627: '#include "String.h"': 查找预编译头使用时跳过
1> 添加指令到'StdAfx.h'或重建预编译头
1>c:\users\ivo\documents\visual studio 2010\projects\zadatak\zadatak\string.cpp(2): 警告 C4627: '#include ': 查找预编译头使用时跳过
1> 添加指令到'StdAfx.h'或重建预编译头
1>c:\users\ivo\documents\visual studio 2010\projects\zadatak\zadatak\string.cpp(4): 警告 C4627: '#include ': 查找预编译头使用时跳过
1> 添加指令到'StdAfx.h'或重建预编译头
1>c:\users\ivo\documents\visual studio 2010\projects\zadatak\zadatak\string.cpp(108): 致命错误 C1010: 查找预编译头时出现意外的文件结尾。您是否忘记将“#include“StdAfx.h””添加到源中?
1> 生成代码...
1>
1>构建失败。
1>
1>已用时间 00:00:00.41
========== 构建:0 成功,1 失败,0 最新,0 跳过 ==========