- 删除字符串中的空格部分
- 有下划线的button
- 刷新动画效果——菊花的快速创建
- 属性字符串的快速创建
- tableViewCell中快速创建
- button快速创建
- 快速创建一个label
- 快速创建一个textField
- textFiled手势点击快速收起键盘
- UIImageView的快速创建
删除字符串中的空格部分
+(NSMutableString *)cleanSpaceWithString:(NSString *)str {
if (str == nil) {
NSMutableString *newStr = [NSMutableString stringWithFormat:@""];
return newStr;
}else{
NSMutableString *newStr = [NSMutableString stringWithFormat:@"%@",[str stringByReplacingOccurrencesOfString:@" " withString:@""]];
return newStr;
}
}
有下划线的button
#pragma mark 下划线创建
UIButton *Button = [UIButton buttonWithType:UIButtonTypeCustom];
Button.frame = CGRectMake(10, 10, 100, 30);
NSMutableAttributedString *AttributedStr = [[NSMutableAttributedString alloc] initWithString:@"手机快速注册"]; //创建属性字符串
NSRange StrRange = {0,[AttributedStr length]}; //设置下划线的长度
[AttributedStr addAttribute:NSUnderlineStyleAttributeName value:[NSNumber numberWithInteger:NSUnderlineStyleSingle] range:StrRange]; //添加下划线
[Button setAttributedTitle:AttributedStr forState:UIControlStateNormal];
[self.view addSubview:Button];
刷新动画效果——菊花的快速创建
@property (nonatomic,strong) UIActivityIndicatorView *activityIndicatorView; //旋转菊花view
@property (nonatomic,strong) UIView *forwardView; //刷新是蒙版view
#pragma mark 添加动画效果 -- 点击事件
- (IBAction)click:(UIButton *)sender {
[self.view addSubview:self.forwardView];
self.activityIndicatorView.center = CGPointMake(self.view.bounds.size.width/2, self.view.bounds.size.height/2); //UIActivityIndicatorView大小不能改变,只能设置其center
[self.activityIndicatorView startAnimating]; //开始动画
[self.view addSubview:self.activityIndicatorView];
//1.5秒后执行下面方法
dispatch_after(dispatch_time(DISPATCH_TIME_NOW, (int64_t)(1.5 * NSEC_PER_SEC)), dispatch_get_main_queue(), ^{
[self.activityIndicatorView stopAnimating]; //结束动画
[self.activityIndicatorView removeFromSuperview]; //移除圆圈view
[self.forwardView removeFromSuperview]; //移除蒙版view
});
}
#pragma mark 创建蒙版view
- (UIView *)forwardView {
if (!_forwardView) {
_forwardView = [[UIView alloc] init];
_forwardView.frame = [[UIScreen mainScreen] bounds];
_forwardView.alpha = 0.5;
_forwardView.backgroundColor = [UIColor grayColor];
}
return _forwardView;
}
#pragma mark 创建圆圈view
- (UIActivityIndicatorView *)activityIndicatorView {
if (!_activityIndicatorView) {
_activityIndicatorView = [[UIActivityIndicatorView alloc] initWithActivityIndicatorStyle:UIActivityIndicatorViewStyleWhiteLarge];
_activityIndicatorView.hidesWhenStopped = YES;
}
return _activityIndicatorView;
}
属性字符串的快速创建
/**
NSRange NSMakeRange (
NSUInteger loc,
NSUInteger len
);
其中第一个属性表示的是属性字符串改变属性的起始位置,3表示从第4个字符开始,2表示包括起始位置
在内的后边的两个字符,而如果要算出后边空出几个字符,则需要用字符串总长度-起始位置数字-后边空
出得位置的字符数,
*/
#pragma mark 颜色转换宏
#define RGB_COLOR(R, G, B) [UIColor colorWithRed:((R)/255.0f) green:((G)/255.0f) blue:((B)/255.0f) alpha:1.0f]
#pragma mark 页面自适应宏
#define WIDTH self.view.frame.size.width
#define HEIGHT self.view.frame.size.height
#define WIDTHADP self.view.frame.size.width/375
#define HEIGHTADP self.view.frame.size.height/667
#pragma mark 创建属性字符串
NSMutableAttributedString *AttrStr = [[NSMutableAttributedString alloc] initWithString:@"排名第 4 名"];
//改变字体的颜色
[AttrStr addAttribute:NSForegroundColorAttributeName value:RGB_COLOR(112, 182, 35) range:NSMakeRange(3, AttrStr.length-3-1)]; //后边留一个字符不变
//改变某个范围的字体的大小
[AttrStr addAttribute:NSFontAttributeName value:[UIFont systemFontOfSize:17] range:NSMakeRange(3, AttrStr.length-3-1)];
NSLog(@"AttrStr.length = %lu",(unsigned long)AttrStr.length);
#pragma mark 进行全局的属性的设置
UILabel *Label = [[UILabel alloc] initWithFrame:CGRectMake(WIDTHADP*77, HEIGHTADP*229.5, WIDTHADP*100, HEIGHTADP*16)];
Label.font = [UIFont systemFontOfSize:14]; //特定区域外的字符串的属性的字号设置
Label.textColor = [UIColor blackColor];
Label.textAlignment = NSTextAlignmentRight;
Label.attributedText = AttrStr;
[self.view addSubview:Label];
tableViewCell中快速创建
-(instancetype)initWithStyle:(UITableViewCellStyle)style reuseIdentifier:(NSString *)reuseIdentifier {
self = [super initWithStyle:style reuseIdentifier:reuseIdentifier];
if (self) {
}
return self;
}
button快速创建
#pragma mark 创建一个button
UIButton *Button = [UIButton buttonWithType:UIButtonTypeCustom];
Button.frame = CGRectMake(<#CGFloat x#>, <#CGFloat y#>, <#CGFloat width#>, <#CGFloat height#>);
Button.backgroundColor = [UIColor orangeColor];
[Button setTitle:@"<#he#>" forState:<#(UIControlState)#>];
[Button setTitleColor:<#(UIColor *)#> forState:UIControlStateNormal];
[Button setTitleColor:<#(UIColor *)#> forState:UIControlStateHighlighted];
[Button setBackgroundImage:<#(UIImage *)#> forState:UIControlStateNormal];
[Button setBackgroundImage:<#(UIImage *)#> forState:UIControlStateHighlighted];
[Button addTarget:self action:@selector(<#selector#>) forControlEvents:UIControlEventTouchUpInside];
[self.contentView addSubview:Button];
#pragma mark 按钮点击方法
- (void)<#hehe#>:sender {
}
快速创建一个label
#pragma mark 创建一个label
UILabel *Label = [[UILabel alloc] initWithFrame:CGRectMake(<#CGFloat x#>, <#CGFloat y#>, <#CGFloat width#>, <#CGFloat height#>)];
Label.text = @"<#he#>";
Label.textColor = [UIColor blackColor];
Label.textAlignment = NSTextAlignmentRight; //字体对齐方向
Label.backgroundColor = [UIColor orangeColor];
Label.font = [UIFont systemFontOfSize:<#(CGFloat)#>];
[self.contentView addSubview:Label];
快速创建一个textField
#pragma mark 创建一个textField
UITextField *TextField = [[UITextField alloc] initWithFrame:CGRectMake(<#CGFloat x#>, <#CGFloat y#>, <#CGFloat width#>, <#CGFloat height#>)];
TextField.textColor = [UIColor blackColor];
TextField.placeholder = @"<#he#>";
TextField.borderStyle = UITextBorderStyleRoundedRect; //设置输入框样式
TextField.clearButtonMode = UITextFieldViewModeAlways; //总是显示清除按钮
TextField.font = [UIFont systemFontOfSize:<#(CGFloat)#>];
TextField.textAlignment = NSTextAlignmentRight;
TextField.text = @"<#he#>";
TextField.enabled = YES; //是否能够编辑
TextField.clearsOnBeginEditing = NO; //是否开始输入的时候清空输入框内容
TextField.secureTextEntry = NO; //输入框内容是否以原点方式显示 密码保护
// TextField.keyboardType = UIKeyboardTypeNumberPad //设置弹出键盘的样式 数字键盘
TextField.returnKeyType = UIReturnKeyDefault; //设置键盘右下角return按钮类型
// TextField.inputView = myInputView; //自定义输入视图
TextField.inputAccessoryView = myAccessoryView; //自定义键盘上方的辅助视图
TextField.leftView = leftView; //输入框的左视图
TextField.leftViewMode = UITextFieldViewModeAlways; //总是显示左视图
TextField.rightView = rightView; //输入框的右视图
TextField.rightViewMode = UITextFieldViewModeAlways; //总是显示右视图
[self.contentView addSubview:TextField];
textFiled手势点击快速收起键盘
#pragma mark 添加点击手势
UITapGestureRecognizer *tap = [[UITapGestureRecognizer alloc] initWithTarget:self action:@selector(tap:)];
[self.view addGestureRecognizer:tap];
#pragma mark 手势点击事件
- (void)tap:(UITapGestureRecognizer *)sender {
[self.searchTextFiled resignFirstResponder];
}
UIImageView的快速创建
#pragma mark 创建一个imageView
UIImageView *ImageView = [[UIImageView alloc] initWithFrame:CGRectMake(<#CGFloat x#>, <#CGFloat y#>, <#CGFloat width#>, <#CGFloat height#>)];
ImageView.image = [UIImage imageNamed:<#(NSString *)#>];
ImageView.userInteractionEnabled = NO; //图片是否支持交互
UITapGestureRecognizer *ImageTap = [[UITapGestureRecognizer alloc] initWithTarget:self action:@selector(<#selector#>)];
[ImageView addGestureRecognizer:ImageTap];
[self.contentView addSubview:ImageView];
#pragma mark 点击手势触发事件
- (void)<#selector#>:sender {
}