UIProgressView进度条的基本使用UIProgressView*progressView=[[UIProgressViewalloc]initWithProgressViewStyle:UIProgressViewStyleDefault];//修改UIProgressView控件的大小CGAffineTransformtransform=CGAffineTransformMakeScale(1.0f,3.0f);progressView=transform;//设置layer的颜色和边框progressView.layer.cornerRadius=3.0f;progressView.layer.borderColor=[UIColorcolorWithString:@"#64b3a0"].CGColor;progressView.layer.borderWidth=0.5f;progressView.layer.masksToBounds=YES;//进度条的颜色progressView.trackTintColor=[UIColorwhiteColor];progressView.progressTintColor=[UIColorcolorWithString:@"#64b3a0"]progressView.progress=0.9;(0.0-1.0);之间[self.contentViewaddSubview:progressView];