UITextField 自定义

//控制清除按钮的位置

-(CGRect)clearButtonRectForBounds:(CGRect)bounds

{

   return CGRectMake(bounds.origin.x + bounds.size.width - 50, bounds.origin.y + bounds.size.height -20, 16, 16);

}

//控制placeHolder的位置，左右缩20

-(CGRect)placeholderRectForBounds:(CGRect)bounds

{

    

    //return CGRectInset(bounds, 20, 0);

   CGRect inset = CGRectMake(bounds.origin.x+100, bounds.origin.y, bounds.size.width -10, bounds.size.height);//更好理解些

   return inset;

}

//控制显示文本的位置

-(CGRect)textRectForBounds:(CGRect)bounds

{

    //return CGRectInset(bounds, 50, 0);

    CGRect inset = CGRectMake(bounds.origin.x+190, bounds.origin.y, bounds.size.width -10, bounds.size.height);//更好理解些

    

    return inset;

}

//控制编辑文本的位置

-(CGRect)editingRectForBounds:(CGRect)bounds

{

    //return CGRectInset( bounds, 10 , 0 );

    

   CGRect inset = CGRectMake(bounds.origin.x +10, bounds.origin.y, bounds.size.width -10, bounds.size.height);

   return inset;

}

//控制左视图位置

- (CGRect)leftViewRectForBounds:(CGRect)bounds

{

   CGRect inset = CGRectMake(bounds.origin.x +10, bounds.origin.y, bounds.size.width-250, bounds.size.height);

   return inset;

    //return CGRectInset(bounds,50,0);

}

//控制placeHolder的颜色、字体

- (void)drawPlaceholderInRect:(CGRect)rect

{

    //CGContextRef context = UIGraphicsGetCurrentContext();

    //CGContextSetFillColorWithColor(context, [UIColor yellowColor].CGColor);

    [[UIColororangeColor] setFill];

    

    [[selfplaceholder] drawInRect:rectwithFont:[UIFontsystemFontOfSize:20]];

}