ios之最简单的程序

   

    

     

      

     
     

      

       #import <UIKit/UIKit.h>
      
     
    

     

      

     
     

      

       #import "AppDelegate.h"
      
     
    

     

      

     
     

      
 
      
     
    

     

      

     
     

      

       @interface Student : NSObject
      
     
    

     

      

     
     

      

       //变量
      
     
    

     

      

     
     

      

       @property NSString *name;
      
     
    

     

      

     
     

      

       @property int age;
      
     
    

     

      

     
     

      

       @property float score;
      
     
    

     

      

     
     

      
 
      
     
    

     

      

     
     

      

       //method
      
     
    

     

      

     
     

      

       -(void)show;
      
     
    

     

      

     
     

      
 
      
     
    

     

      

     
     

      

       @end
      
     
    

     

      

     
     

      
 
      
     
    

     

      

     
     

      

       @implementation Student
      
     
    

     

      

     
     

      

       -(void)show{
      
     
    

     

      

     
     

      

        NSLog(@"%@的年龄是%d成绩是%f", self.name, self.age, self.score);
      
     
    

     

      

     
     

      

       }
      
     
    

     

      

     
     

      

       @end
      
     
    

     

      

     
     

      
 
      
     
    

     

      

     
     

      
 
      
     
    

     

      

     
     

      
 
      
     
    

     

      

     
     

      

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

     

      

     
     

      

        //alloc函数为队形分配内存空间，init函数会初始化函数对象
      
     
    

     

      

     
     

      

        Student *stu = [[Student alloc]init];
      
     
    

     

      

     
     

      

        stu.name = @"chenyu";
      
     
    

     

      

     
     

      

        stu.age = 25;
      
     
    

     

      

     
     

      

        stu.score = 100;
      
     
    

     

      

     
     

      

        [stu show];
      
     
    

     

      

     
     

      

        return 0;
      
     
    

     

      

     
     

      

       }