IOS UILabel

UILabel *label = [[UILabelalloc] initWithFrame:CGRectMake(90,30, 140, 40)];

    label.text =@"hello label abcdefghijklmn";

    label.font = [UIFontsystemFontOfSize:10];

   //换行

    label.numberOfLines =0;//没有限制

    //打断方式

    label.lineBreakMode =NSLineBreakByTruncatingTail;

    label.textColor = [UIColorredColor];

    label.backgroundColor = [UIColorwhiteColor];

    label.textAlignment =NSTextAlignmentCenter;

    //阴影颜色

    label.shadowColor = [UIColorgrayColor];

    //阴影偏移量

    label.shadowOffset =CGSizeMake(2,2);

    //[label sizeToFit]; 根据内容决定label大小

    [self.viewaddSubview:label];