UILabel是⽤来显⽰⽂本的控件,是在app中出镜率最⾼的控件。UILabel同样是UIView的⼦类主要是⾃⼰扩展了UIView的显⽰⽂字功能。
创建⼀个 UILabel,遵循以下⼏个步骤来完成:
1、alloc开辟空间,然后initWithFrame来初始化⼤⼩;
2、设置UILabel的相关属性,也就是我们想要的属性
3、把label添加到⽗视图(UIView)上,才可以显⽰出来;
//// ViewController.m// UILabel01//// Created by cqy on 16/2/13.// Copyright © 2016年 程清杨. All rights reserved.//#import "ViewController.h"@interface ViewController ()@end@implementation ViewController - (void)viewDidLoad { [super viewDidLoad]; UILabel *label = [[UILabel alloc]initWithFrame:CGRectMake(20, 20, 100, 50)]; label.backgroundColor = [UIColor brownColor]; [self.view addSubview:label]; //text:要显⽰的⽂本内容 label.text = @"你真美!优点喜欢你了!"; //textColor:来修改要显⽰的⽂字的颜⾊ label.textColor = [UIColor redColor]; //textAlignment:要显⽰的⽂字的对其⽅式(⽔平⽅向) label.textAlignment = NSTextAlignmentLeft; //fond:设置⽂字的字体和字号 label.font = [UIFont fontWithName:@"Helvetica-Bold"size:20]; //numberOflines:在label若是⽂字太长,就会⾃动省略后⾯的字,numberOfLines是为了展⽰省略的⽂字。给多少⾏,就显⽰多少⾏,显⽰完毕为⽌。 label.numberOfLines = 0; //lineBreakMode:断⾏的模式,根据什么换 label.lineBreakMode = NSLineBreakByCharWrapping;//根据单词为单位换行 //shadowColor:设置⽂字的阴影颜⾊ label.shadowColor = [UIColor blueColor]; //shadowOffset:设置文字阴影 label.shadowOffset = CGSizeMake(2, 1);//阴影向x正⽅向偏移2,向y正⽅向偏移1 // Do any additional setup after loading the view, typically from a nib. } - (void)didReceiveMemoryWarning { [super didReceiveMemoryWarning]; // Dispose of any resources that can be recreated. }
@end