Davidprogrees

//一个技能滑块demo

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***拖动滑块（五个等级==了解，熟悉，掌握，精通，专家）

 self.progress=[[DavidProgress alloc]initWithFrame:CGRectMake(0, 80, self.view.bounds.size.width, 70)];
    
    [self.view addSubview:self.progress];

例如简历：技能进度显示