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[操作系统]【代码笔记】评分系统(小星星)


一,效果图。

 

二,工程图。

三,代码。

RootViewController.m

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- (void)viewDidLoad{  [super viewDidLoad];  // Do any additional setup after loading the view.    UIImageView *imageView=[[UIImageView alloc] initWithFrame:CGRectMake(10, 80, 300, 50)];  //获得评分的图片  [imageView setImage:[self setStarImage:@"4"]];  imageView.backgroundColor=[UIColor clearColor];  [self.view addSubview:imageView];    }//根据分数,反回图片-(UIImage *)setStarImage:(NSString *)str{  float a=atof([str UTF8String]);    UIImage * image;  if(a==0.000000){    image=[UIImage imageNamed:@"star0.png"];  }else if(a>0.000000&&a<1.000000){    image=[UIImage imageNamed:@"star1.png"];  }else if(a==1.000000){    image=[UIImage imageNamed:@"star2.png"];  }else if(a>1.000000&&a<2.000000){    image=[UIImage imageNamed:@"star3.png"];  }else if(a==2.000000){    image=[UIImage imageNamed:@"star4.png"];  }else if(a>2.000000&&a<3.000000){    image=[UIImage imageNamed:@"star5.png"];  }else if(a==3.0000000){    image=[UIImage imageNamed:@"star6.png"];  }else if(a>3.000000&&a<4.000000){    image=[UIImage imageNamed:@"star7.png"];  }else if(a==4.000000){    image=[UIImage imageNamed:@"star8.png"];  }else if(a>4.000000&&a<5.000000){    image=[UIImage imageNamed:@"star9.png"];  }else if(a==5.000000){    image=[UIImage imageNamed:@"star10.png"];  }  return image;}
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