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详解UILabel的adjustsFontSizeToFitWidth值
详解UILabel的adjustsFontSizeToFitWidth值
UILabel有一个属性值，叫adjustsFontSizeToFitWidth，看着名字就知道，他是用来让文字自动适应UILabel宽度的。
先看看显示效果：
测试用源码：
//// RootViewController.m// Letters//// Created by YouXianMing on 14-9-14.// Copyright (c) 2014年 YouXianMing. All rights reserved.//#import "RootViewController.h"@interface RootViewController ()@end@implementation RootViewController- (void)viewDidLoad{ [super viewDidLoad]; { UILabel *label = [[UILabel alloc] initWithFrame:CGRectMake(0, 0, 250, 30)]; label.layer.borderWidth = 1.f; CGPoint point = self.view.center; point.y = 70; label.center = point; label.text = @"YouXianMing NoZuoNoDie"; label.textAlignment = NSTextAlignmentCenter; label.adjustsFontSizeToFitWidth = YES; label.baselineAdjustment = UIBaselineAdjustmentAlignCenters; [self.view addSubview:label]; } { UILabel *label = [[UILabel alloc] initWithFrame:CGRectMake(0, 0, 200, 30)]; label.layer.borderWidth = 1.f; CGPoint point = self.view.center; point.y = 120; label.center = point; label.text = @"YouXianMing NoZuoNoDie"; label.textAlignment = NSTextAlignmentCenter; label.adjustsFontSizeToFitWidth = YES; label.baselineAdjustment = UIBaselineAdjustmentAlignCenters; [self.view addSubview:label]; } { UILabel *label = [[UILabel alloc] initWithFrame:CGRectMake(0, 0, 150, 30)]; label.layer.borderWidth = 1.f; CGPoint point = self.view.center; point.y = 170; label.center = point; label.text = @"YouXianMing NoZuoNoDie"; label.textAlignment = NSTextAlignmentCenter; label.adjustsFontSizeToFitWidth = YES; label.baselineAdjustment = UIBaselineAdjustmentAlignCenters; [self.view addSubview:label]; } { UILabel *label = [[UILabel alloc] initWithFrame:CGRectMake(0, 0, 100, 30)]; label.layer.borderWidth = 1.f; CGPoint point = self.view.center; point.y = 220; label.center = point; label.text = @"YouXianMing NoZuoNoDie"; label.textAlignment = NSTextAlignmentCenter; label.adjustsFontSizeToFitWidth = YES; label.baselineAdjustment = UIBaselineAdjustmentAlignCenters; [self.view addSubview:label]; }}@end
以下是核心代码：
详解UILabel的adjustsFontSizeToFitWidth值
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