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feat: 统一 cpp 文件编码格式为 utf-8

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This commit is contained in:
tracyxiong1
2023-01-02 20:39:00 +08:00
parent ade7173887
commit 368eda305f
63 changed files with 327 additions and 327 deletions
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8
practical_exercises/10_day_practice/day10/文件例题/12-1.cpp
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@@ -1,4 +1,4 @@
//<EFBFBD><EFBFBD>cin<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ַ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ʱ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ַ<EFBFBD><EFBFBD><EFBFBD><EFBFBD>к<EFBFBD><EFBFBD>пհ׾Ͳ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>롣<EFBFBD><EFBFBD>Ϊ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>հ<EFBFBD><EFBFBD>ַ<EFBFBD>ʱ<EFBFBD><EFBFBD>cin<EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ϊ<EFBFBD>ַ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ˡ<EFBFBD>
//用cin输入字符串数据时，如果字符串中含有空白就不能完整输入。因为遇到空白字符时，cin就认为字符串结束了。
#include<iostream>
using namespace std;
int main(int argc, char const *argv[])
@@ -11,8 +11,8 @@ int main(int argc, char const *argv[])
return 0;
}
/*
<EFBFBD><EFBFBD>a<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ǣ<EFBFBD>
若a的内容是：
this is a string!
<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ӧ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ij<EFBFBD>Ա<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
就难以输入啦！
这样的数据应用输入流类的成员函数输入
*/

2
practical_exercises/10_day_practice/day10/文件例题/12-3.cpp
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@@ -1,6 +1,6 @@
#include<iostream>
using namespace std;
//<EFBFBD><EFBFBD><EFBFBD><EFBFBD>ԭ<EFBFBD><EFBFBD>
//函数原型
//put(char c)
//write(const char*c, int n)
int main(){

6
practical_exercises/10_day_practice/day10/文件例题/12-5.cpp
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@@ -7,11 +7,11 @@ int main(){
double d=-1234.8976;
cout<<setw(30)<<left<<setfill('*')<<c<<"----L1"<<endl;
cout<<setw(30)<<right<<setfill('*')<<c<<"----L2"<<endl;
//showbase<EFBFBD><EFBFBD>ʾ<EFBFBD><EFBFBD>ֵ<EFBFBD>Ļ<EFBFBD><EFBFBD><EFBFBD>ǰ׺
//showbase显示数值的基数前缀
cout<<dec<<showbase<<showpoint<<setw(30)<<d<<"----L3"<<"\n";
//showpoint<EFBFBD><EFBFBD>ʾС<EFBFBD><EFBFBD><EFBFBD><EFBFBD>
//showpoint显示小数点
cout<<setw(30)<<showpoint<<setprecision(10)<<d<<"----L4"<<"\n";
//setbase(8)<EFBFBD><EFBFBD><EFBFBD>ð˽<EFBFBD><EFBFBD><EFBFBD>
//setbase(8)设置八进制
cout<<setw(30)<<setbase(16)<<100<<"----L5"<<"\n";
system("pause");
}

12
practical_exercises/10_day_practice/day10/文件例题/12-6.cpp
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@@ -6,16 +6,16 @@ int main(int argc, char const *argv[])
{
fstream ioFile;
ioFile.open("./a.dat",ios::out);
ioFile<<"<EFBFBD><EFBFBD><EFBFBD><EFBFBD>"<<" "<<76<<" "<<98<<" "<<67<<endl; //L3
ioFile<<"<EFBFBD><EFBFBD><EFBFBD><EFBFBD>"<<" "<<89<<" "<<70<<" "<<60<<endl;
ioFile<<"<EFBFBD><EFBFBD>ʮ"<<" "<<91<<" "<<88<<" "<<77<<endl;
ioFile<<"<EFBFBD>ƶ<EFBFBD>"<<" "<<62<<" "<<81<<" "<<75<<endl;
ioFile<<"<EFBFBD><EFBFBD><EFBFBD><EFBFBD>"<<" "<<90<<" "<<78<<" "<<67<<endl;
ioFile<<"张三"<<" "<<76<<" "<<98<<" "<<67<<endl; //L3
ioFile<<"李四"<<" "<<89<<" "<<70<<" "<<60<<endl;
ioFile<<"王十"<<" "<<91<<" "<<88<<" "<<77<<endl;
ioFile<<"黄二"<<" "<<62<<" "<<81<<" "<<75<<endl;
ioFile<<"刘六"<<" "<<90<<" "<<78<<" "<<67<<endl;
ioFile.close();
ioFile.open("./a.dat",ios::in|ios::binary);
char name[10];
int chinese,math,computer;
cout<<"<EFBFBD><EFBFBD><EFBFBD><EFBFBD>\t"<<"Ӣ<EFBFBD><EFBFBD>\t"<<"<EFBFBD><EFBFBD>ѧ\t"<<"<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>\t"<<"<EFBFBD>ܷ<EFBFBD>"<<endl;
cout<<"姓名\t"<<"英语\t"<<"数学\t"<<"计算机\t"<<"总分"<<endl;
ioFile>>name;
while(!ioFile.eof()) {
ioFile>>chinese>>math>>computer;

10
practical_exercises/10_day_practice/day10/文件例题/三种输入格式/get()12-2.cpp
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@@ -1,4 +1,4 @@
//<EFBFBD><EFBFBD><EFBFBD><EFBFBD>12-2<><32> <20>ú<EFBFBD><C3BA><EFBFBD>get<EFBFBD><EFBFBD>getline<EFBFBD><EFBFBD>ȡ<EFBFBD><EFBFBD><EFBFBD>ݡ<EFBFBD>
//【例12-2】 用函数get和getline读取数据。
#include <iostream>
using namespace std;
int main()
@@ -14,8 +14,8 @@ int main()
}
/*
<EFBFBD>÷<EFBFBD><EFBFBD><EFBFBD>a = cin.get() ?<EFBFBD><EFBFBD><EFBFBD><EFBFBD> ?cin.get(a)
<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ַ<EFBFBD><EFBFBD>㹻<EFBFBD><EFBFBD><EFBFBD>س<EFBFBD>
˵<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ǵ<EFBFBD><EFBFBD>ַ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>룬<EFBFBD><EFBFBD>;<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>һ<EFBFBD><EFBFBD><EFBFBD>ַ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ASCALL<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>뵽a<EFBFBD><EFBFBD>
<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>cin<EFBFBD><EFBFBD>ͬ<EFBFBD><EFBFBD>cin.get()<29>ڻ<EFBFBD><DABB><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>[enter]<EFBFBD><EFBFBD>[space]<EFBFBD><EFBFBD>[tab]<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ϊ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ǽ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ڻ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
用法：a = cin.get() ?或者 ?cin.get(a)
结束条件：输入字符足够后回车
说明：这个是单字符的输入，用途是输入一个字符，把它的ASCALL码存入到a中
处理方法：与cin不同，cin.get()在缓冲区遇到[enter]，[space]，[tab]不会作为舍弃，而是继续留在缓冲区中
*/

20
practical_exercises/10_day_practice/day10/文件例题/三种输入格式/getline()12-2-2.cpp
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@@ -1,9 +1,9 @@
#include<iostream>
using namespace std;
/*
<EFBFBD><EFBFBD>1<EFBFBD><EFBFBD>cin.getline(arrayname,size)<EFBFBD><EFBFBD>cin.get(arrayname,size)<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
cin.get(arrayname,size)<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>[enter]ʱ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ŀǰ<EFBFBD><EFBFBD><EFBFBD>룬<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ɾ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>е<EFBFBD>[enter]
cin.getline(arrayname,size)<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>[enter]ʱ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ǰ<EFBFBD><EFBFBD><EFBFBD>룬<EFBFBD><EFBFBD><EFBFBD>ǻ<EFBFBD>ɾ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>е<EFBFBD>[enter]
（1）cin.getline(arrayname,size)与cin.get(arrayname,size)的区别
cin.get(arrayname,size)当遇到[enter]时会结束目前输入，他不会删除缓冲区中的[enter]
cin.getline(arrayname,size)当遇到[enter]时会结束当前输入，但是会删除缓冲区中的[enter]
*/
int main()
{
@@ -12,27 +12,27 @@ int main()
char b;
cin.get(a,10);
cin.get(b);
cout<<a<<endl<<int(b);//<EFBFBD><EFBFBD><EFBFBD>룺12345[enter] <EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>12345 <20><><EFBFBD><EFBFBD><EFBFBD>С<EFBFBD> 10*/
cout<<a<<endl<<int(b);//输入：12345[enter] 输出：12345 【换行】 10*/
/*char c[10];
char d;
cin.getline(c,10);
cin.get(d);
cout<<c<<endl<<int(d);//<EFBFBD><EFBFBD><EFBFBD>룺12345[enter]a[enter] <EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>12345<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>С<EFBFBD>97*/
//cin.getline(arrayname,size,s)<EFBFBD><EFBFBD>cin.gei(arrayname,size,s)<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
cout<<c<<endl<<int(d);//输入：12345[enter]a[enter] 输出：12345【换行】97*/
//cin.getline(arrayname,size,s)与cin.gei(arrayname,size,s)的区别
/*
cin.getline(arrayname,size,s)<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>sʱ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>룬<EFBFBD><EFBFBD><EFBFBD><EFBFBD>s<EFBFBD>ӻ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ɾ<EFBFBD><EFBFBD>
cin.get<EFBFBD><EFBFBD>arrayname,size,s<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>sʱ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>룬<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ɾ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>е<EFBFBD>s
cin.getline(arrayname,size,s)当遇到s时会结束输入，并把s从缓冲区中删除
cin.get（arrayname,size,s）当遇到s时会结束输入，但不会删除缓冲区中的s
*/
/*
char e[10];
char f;
cin.get(e,10,',');
cin.get(f);
cout<<e<<endl<<f;//<EFBFBD><EFBFBD><EFBFBD>룺12345,[enter] <EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>12345<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>С<EFBFBD><EFBFBD><EFBFBD>˵<EFBFBD><EFBFBD><EFBFBD><EFBFBD>cin,get<65><74><EFBFBD><EFBFBD>ɾ<EFBFBD><C9BE><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ģ<EFBFBD>*/
cout<<e<<endl<<f;//输入：12345,[enter] 输出：12345【换行】，说明：cin,get不会删除缓冲区的，*/
char e1[10];
char f1;
cin.getline(e1,10,',');
cin.get(f1);
cout<<e1<<endl<<f1;//<EFBFBD><EFBFBD><EFBFBD>룺asd,wqe <EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>asd<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>С<EFBFBD>w
cout<<e1<<endl<<f1;//输入：asd,wqe 输出：asd【换行】w
system("pause");
}

16
practical_exercises/10_day_practice/day10/文件例题/重要!!!课堂练习.cpp
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@@ -1,6 +1,6 @@
#include<iostream>
#include<fstream>
//<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>һ<EFBFBD><EFBFBD><EFBFBD>ܹ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>͵Ķ<EFBFBD>̬<EFBFBD><EFBFBD><EFBFBD><EFBFBD>
//向量是一个能够存放任意类型的动态数组
#include<vector>
#include<cstring>
using namespace std;
@@ -25,20 +25,20 @@ class Person{
int main(int argc, char const *argv[])
{
vector<Person> v;
vector<Person>::iterator pos;//<EFBFBD><EFBFBD><EFBFBD><EFBFBD>һ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>vector<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ã<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ָ<EFBFBD><EFBFBD>vector<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ԫ<EFBFBD><EFBFBD>
vector<Person>::iterator pos;//声明一个迭代器，来访问vector容器，作用：遍历或者指向vector容器的元素
char ch;
ofstream out("d:/person.dat",ios::out|ios::app|ios::binary);
char Name[20],ID[18],Addr[20];
int Age;
cout<<"------<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>˵<EFBFBD><EFBFBD><EFBFBD>------"<<endl<<endl;
cout<<"------输入个人档案------"<<endl<<endl;
do{
cout<<"<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> ";
cout<<"姓名： ";
cin>>Name;
cout<<"<EFBFBD><EFBFBD><EFBFBD><EFBFBD>֤<EFBFBD>ţ<EFBFBD> ";
cout<<"身份证号： ";
cin>>ID;
cout<<"<EFBFBD><EFBFBD><EFBFBD>䣺 ";
cout<<"年龄： ";
cin>>Age;
cout<<"<EFBFBD><EFBFBD>ַ<EFBFBD><EFBFBD> ";
cout<<"地址： ";
cin>>Addr;
Person per(Name,ID,Age,Addr);
out.write((char*)&per,sizeof(per));
@@ -53,7 +53,7 @@ int main(int argc, char const *argv[])
v.push_back(s);
in.read((char*)&s,sizeof(s));
}
cout<<"\n---------<EFBFBD><EFBFBD><EFBFBD>ļ<EFBFBD><EFBFBD>ж<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>--------"<<endl<<endl;//L15
cout<<"\n---------从文件中读出的数据--------"<<endl<<endl;//L15
pos=v.begin();
for(pos=v.begin();pos!=v.end();pos++)
(*pos).display();