JWStarView*star=[[JWStarView alloc]initWithFrame:CGRectMake(20, 60, 200, 30)];
    star.rateStyle=HalfStar;
    star.delegate=self;
    [self.view addSubview:star];
    
    //只做显示作用
    JWStarView*stars=[[JWStarView alloc]initWithFrame:CGRectMake(20,100, 200, 30)];
    stars.rateStyle=HalfStar;
    stars.delegate=self;
    stars.isIndicator=YES;
    stars.currentScore=3.5;
    [self.view addSubview:stars];

    JWStarView*star1=[[JWStarView alloc]initWithFrame:CGRectMake(20, 140, 200, 30) finish:^(CGFloat currentScore) {
        NSLog(@"current-----%f",currentScore);
    }];
    [self.view addSubview:star1];
    
    JWStarView*star2=[[JWStarView alloc]initWithFrame:CGRectMake(20, 180, 200, 30) numberOfStars:5 rateStyle:HalfStar finish:^(CGFloat currentScore) {
        NSLog(@"star2----%f",currentScore);
    }];
    [self.view addSubview:star2];
    JWStarView *star3=[[JWStarView alloc]initWithFrame:CGRectMake(20, 220, 200, 30) numberOfStars:5 rateStyle:WholeStar delegate:self];
    [self.view addSubview:star3];