源代码(.m文件)

#import "TLView.h"

//本类的延展

@interface TLView ()

{

    UILabel *_desLabel;    //左边的lable

    UITextField *_textField;//右边的lable

}

@end

@implementation TLView

//改写父类的初始化方法,处理相同的性能

- (id)initWithFrame:(CGRect)frame

{

    self = [superinitWithFrame:frame];

    if (self) {

        // Initialization code

        CGFloat width = frame.size.width;

        CGFloat height = frame.size.height;

        //UIlabel

        _desLabel = [[UILabelalloc] initWithFrame:CGRectMake(0,0, 0.3 * width, height)];

        _desLabel.font = [UIFontsystemFontOfSize:18];

        _desLabel.textAlignment =NSTextAlignmentRight;

        //        _desLabel.backgroundColor = [UIColor lightGrayColor];

        [self addSubview:_desLabel];

        [_desLabel release];

        //UITextfield

        _textField = [[UITextFieldalloc] initWithFrame:CGRectMake(0.4 * width,0 , 0.6 * width , height)];

        _textField.borderStyle =UITextBorderStyleRoundedRect;

        //        _textField.backgroundColor = [UIColor lightGrayColor];

        _textField.autocorrectionType =UITextAutocorrectionTypeNo;

        [self addSubview:_textField];

        [_textField release];

    }

    return self;

}

//改写初始化方法,处理不同的部分

- (id)initWithFrame:(CGRect)frame labelText:(NSString *)labelText placeholder:(NSString *)placeholder textFieldText:(NSString *)textFieldText{

    self = [selfinitWithFrame:frame];

    if (self) {

        //initialization code here..

        _desLabel.text = labelText;       //

        _textField.placeholder = placeholder;

        _textField.text = textFieldText;

    }

    return self;

}

//填写各种方法,处理不同的部分

//1,是否采用安全模式

- (void)setSecureEntry:(BOOL)secureEntry{

    _textField.secureTextEntry = secureEntry;

}

//2,设置键盘类型;

- (void)setKeyBoardType:(UIKeyboardType)keyBoardType{

    _textField.keyboardType = keyBoardType;

}

//3,设置textField代理

- (void)setDelegate:(id<UITextFieldDelegate>)delegate{

    _textField.delegate = delegate;

}

//4,获取输入框中的文字

- (NSString *)text{

    return_textField.text;

}

@end