iOS開發之UIlabel多行文字自動換行 （自動折行）

UIView *footerView = [[UIView alloc]initWithFrame:CGRectMake(10, 100, 300, 180)];

UILabel *label = [[UILabel alloc]initWithFrame:CGRectMake(10, 100, 300, 150)];

label.text = @"Hello world! Hello world!Hello world! Hello world! Hello world! Hello world! Hello world! Hello world!Hello world! Hello world! Hello world! Hello world! Hello world! Helloworld!";

//背景顏色爲紅色

label.backgroundColor = [UIColor redColor];

//設置字體顏色爲白色

label.textColor = [UIColor whiteColor];

//文字居中顯示

label.textAlignment = UITextAlignmentCenter;

//自動折行設置

label.lineBreakMode = UILineBreakModeWordWrap;

label.numberOfLines = 0;