下面是在程序生成5个标签,文本框,按钮的语句
for var i=0;i<5;i++ {
var y:CGFloat = CGFloat(i*100 + 50)
var SwiftLable=UILabel()
SwiftLable.frame = CGRectMake (10 , y, 60, 40)
SwiftLable.text = "标题"
SwiftLable.backgroundColor = .redColor()
self.view.addSubview(SwiftLable)
var SwiftTextField=UITextField()
SwiftTextField.frame=CGRectMake(80, y , 180, 40)
SwiftTextField.borderStyle = UITextBorderStyle.RoundedRect
SwiftTextField.placeholder="请输入字符串"
array.append(SwiftTextField)
self.view.addSubview(SwiftTextField)
var SwiftButton=UIButton()
SwiftButton.frame=CGRectMake(300, y , 60, 40)
SwiftButton.backgroundColor = .greenColor()
SwiftButton.tag=i
SwiftButton.setTitle("change" , forState: UIControlState.Normal)
SwiftButton.addTarget(self, action: "tickMethod:", forControlEvents: UIControlEvents.TouchUpInside)
self.view.addSubview(SwiftButton)
}
由于文本框除了设置颜色外还有其他方法显示,搜索资料如下:
1,文本框的创建,有如下几个样式:
UITextBorderStyle.None:无边框
UITextBorderStyle.Line:直线边框
UITextBorderStyle.RoundedRect:圆角矩形边框
UITextBorderStyle.Bezel:边线+阴影
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var
textField =
UITextField
(frame:
CGRectMake
(10,160,200,30))
//设置边框样式为圆角矩形
textField.borderStyle =
UITextBorderStyle
.
RoundedRect
self
.view.addSubview(textField)
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2,文本框提示文字
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textField.placeholder=
"请输入用户名"
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3,文字大小超过文本框长度时自动缩小字号,而不是隐藏显示省略号
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textField.adjustsFontSizeToFitWidth=
true
//当文字超出文本框宽度时,自动调整文字大小
textField.minimumFontSize=14
//最小可缩小的字号
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4,水平/垂直对齐方式
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/** 水平对齐 **/
textField.textAlignment = .
Right
//水平右对齐
textField.textAlignment = .
Center
//水平居中对齐
textField.textAlignment = .
Left
//水平左对齐
/** 垂直对齐 **/
textField.contentVerticalAlignment = .
Top
//垂直向上对齐
textField.contentVerticalAlignment = .
Center
//垂直居中对齐
textField.contentVerticalAlignment = .
Bottom
//垂直向下对齐
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5,背景图片设置
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textField.background=
UIImage
(named:
"background1"
);
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