C语言基于对象编程实现封装

/*********************************
*    C语言基于对象编程实现封装   *
*                                *
*2012年04月12日 星期四 17时25分18秒  *
*********************************/

#ifndef __MY_OBJECT_H
#define __MY_OBJECT_H

#include <stdio.h>
#include <string.h>
#include <stdlib.h>

typedef struct _Person
{
char *name;
int age;
int number;
}Person;

#ifdef __cplusplus
extern "C"{
#endif

/*HPERSON 是一个句柄定义，实际类型为 void* */

typedef void* HPERSON;

/*声明建立*/

HPERSON createPerson(const char* name);

/*声明创建 */

void setPerson(HPERSON person , int age , int number);

/*声明显示*/

void displayPerson(HPERSON person);

/*释放句柄 */

void deletePerson(HPERSON person);

#ifdef __cplusplus
}
#endif
#endif

#include "myObject.h"

HPERSON createPerson(const char* name)
{
printf("***createPerson***\n");
Person* person = NULL;

person = (Person*)malloc(sizeof(Person));

person->name = (char *)malloc(sizeof(char)*(strlen(name)+1));
strcpy(person->name , name);
person->age = 0;
person->number = 0;

return (void*)person;

}
void setPerson(HPERSON person , int age , int number)
{
printf("***setPerson***\n");
if(person)
{
((Person *)person)->age = age;
((Person *)person)->number = number;
}

}
void displayPerson(HPERSON person)
{
printf("<<<Display Person Information>>>\n");
if(person)
{
printf("Name :%s\n Age :%d\n Number :%d\n" , ((Person *)person)->name , ((Person *)person)->age , ((Person *)person)->number);
}
}
void deletePerson(HPERSON person)
{
printf(">>>deletePerson<<<\n");
if(person)
{
free(((Person *)person)->name);
free(person);
}
}

#ifndef __EXTENDS_OBJECT_H
#define __EXTENDS_OBJECT_H

#include <stdio.h>
#include <string.h>
#include <stdlib.h>
#include "myObject.h"

typedef struct _Student
{
Person person;
int score;
}Student;

#ifdef __cplusplus
extern "C"{
#endif

/*HPERSON 是一个句柄定义，实际类型为 void* */

typedef void* HSTUDENT;

/*声明建立*/

HSTUDENT createStudent(const char* name);

/*声明创建 */

void setStudent(HSTUDENT student , int age , int number , int score);

/*声明显示*/

void displayStudent(HSTUDENT student);

/*释放句柄 */

void deleteStudent(HSTUDENT student);

#ifdef __cplusplus
}
#endif
#endif

#include <stdio.h>
#include <string.h>
#include <stdlib.h>

#include "extendsObject.h"

HSTUDENT createStudent(const char* name)
{
printf("***createStudent***\n");
Student* student = NULL ;

student = (Student *)malloc(sizeof(Student));

student->person.name = (char *)malloc(sizeof(char)*(strlen(name)+1));
strcpy(student->person.name , name);
student->person.age = 0;
student->person.number = 0;
student->score = 0;

return (void*)student;

}
void setStudent(HSTUDENT student , int age , int number , int score)
{
printf("***setStudent***\n");
if(student)
{
((Student *)student)->person.age = age;
((Student *)student)->person.number = number;
((Student *)student)->score = score;
}

}
void displayStudent(HSTUDENT student)
{
printf("<<<Display Student Information>>>\n");
if(student)
{
printf("Name :%s\n Age :%d\n Number :%d\n Score : %d\n" , ((Student *)student)->person.name , ((Student *)student)->person.age , ((Student *)student)->person.number , ((Student *)student)->score);
}
}
void deleteStudent(HSTUDENT student)
{
printf(">>>deleteStudent<<<\n");
if(student)
{
free(((Student *)student)->person.name);
free(student);
}
}

#include "extendsObject.h"
#include <stdio.h>

int main(int argc,char **argv)
{

HSTUDENT student = NULL;
student = createStudent("zhang san");
setStudent(student , 20 , 1 , 80);
displayStudent(student);
deleteStudent(student);

return 0;
}