IOS画线条

- (void)drawRect:(CGRect)rect

{

    // draw a rounded rect bezier path filled with blue

    CGContextRef aRef = UIGraphicsGetCurrentContext();

    CGContextSaveGState(aRef);

    UIBezierPath *bezierPath = [UIBezierPath bezierPathWithRoundedRect:rect cornerRadius:5.0f];

    bezierPath.lineWidth = 5.0f;

    [[UIColor blackColor] setStroke];

    UIColor *fillColor = [UIColor colorWithRed:0.529 green:0.808 blue:0.922 alpha:1]; // color equivalent is #87ceeb

    [fillColor setFill];

    [bezierPath stroke];

    [bezierPath fill];

    CGContextRestoreGState(aRef);

}