ch15_6.cpp
资源名称:c.rar [点击查看]
上传用户:puke2000
上传日期:2022-07-25
资源大小:912k
文件大小:1k
源码类别:
C#编程
开发平台:
Visual C++
- //**********************
- //** ch15_6.cpp **
- //**********************
- #include <iostream.h>
- #include <string.h>
- class Student{
- public:
- Student(char* pName);
- ~Student();
- static Student* findname(char* pName);
- protected:
- static Student* pFirst;
- Student* pNext;
- char name[40];
- };
- Student* Student::pFirst = 0; //静态成员空间分配及初始化
- Student::Student(char*pName)
- {
- strncpy(name,pName, sizeof(name));
- name[sizeof(name)-1]=' ';
- pNext=pFirst;
- pFirst=this;
- }
- Student::~Student()
- {
- if(pFirst==this){
- pFirst=pNext;
- return;
- }
- for(Student* pS=pFirst; pS; pS=pS->pNext)
- if(pS->pNext==this){
- pS->pNext=pNext;
- return;
- }
- }
- Student* Student::findname(char* pName)
- {
- for(Student* pS=pFirst; pS; pS=pS->pNext)
- if(strcmp(pS->name,pName)==0)
- return pS;
- return (Student*)0;
- }
- void main()
- {
- Student s1("Randy");
- Student s2("Jenny");
- Student s3("Kinsey");
- Student* pS =Student::findname("Jenny");
- if(pS)
- cout <<"ok." <<endl;
- else
- cout <<"no find." <<endl;
- }