?? dictionary1.cpp
字號:
#include<fstream.h>
#include"dictionary1.h"
Dictionary1::Dictionary1()
{
return;
}
Dictionary1::~Dictionary1()
{
return;
}
void Dictionary1::save(ofstream& out) //重新保存全部記錄
{
int loop;
for(loop=0;loop<num;loop++)
out<<(danci+loop)->English<<" "<<(danci+loop)->cixing<<" "<<(danci+loop)->Chinese<<endl;
return;
}
int Dictionary1::Add() //在文件尾追加一條記錄,保存成功返回1,否則返回0
{
ofstream output_file;
output_file.open("dic_file.txt",ios::app);
if(!output_file)
{
cout<<"文件無法打開!"<<endl;
return 0;
}
output_file<<(danci+num-1)->English<<" "<<(danci+num-1)->cixing<<" "<<(danci+num-1)->Chinese<<endl;
output_file.close();
cout<<"保存成功!"<<endl;
return 1;
}
int Dictionary1::Delete() //刪除文件中一條記錄,刪除成功返回1,否則返回0
{
ofstream output_file;
output_file.open("dic_file.txt");
if(!output_file)
{
cout<<"文件無法打開!"<<endl;
return 0;
}
save(output_file);
output_file.close();
cout<<"保存成功!"<<endl;
return 1;
}
int Dictionary1::Update() //修改文件中一條記錄,修改成功返回1,否則返回0
{
ofstream output_file;
output_file.open("dic_file.txt");
if(!output_file)
{
cout<<"文件無法打開!"<<endl;
return 0;
}
save(output_file);
output_file.close();
cout<<"保存成功!"<<endl;
return 1;
}
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