iOS对齐文本

2024-04-16 02:19:03 546

示例

Swift

let sampleText = "Lorem ipsum dolor sit amet, consectetur adipisicing elit, sed do eiusmod tempor incididunt ut labore et dolore magna aliqua. Ut enim ad minim veniam, quis nostrud exercitation ullamco laboris nisi ut aliquip ex ea commodo consequat. Duis aute irure dolor in reprehenderit in voluptate velit esse cillum dolore eu fugiat nulla pariatur. Excepteur sint occaecat cupidatat non proident, sunt in culpa qui officia deserunt mollit anim id est laborum."

// Create label
let label = UILabel(frame: CGRectMake(0, 0, view.frame.size.width, 400))
label.numberOfLines = 0
label.lineBreakMode = NSLineBreakMode.ByWordWrapping

// 通过段落样式对齐文本
let paragraphStyle = NSMutableParagraphStyle()paragraphStyle.alignment = NSTextAlignment.Justified
let attributes = [NSParagraphStyleAttributeName: paragraphStyle, NSBaselineOffsetAttributeName: NSNumber(float: 0)]
let attributedString = NSAttributedString(string: sampleText, attributes: attributes)
label.attributedText = attributedStringview.addSubview(label)

Objective-C

  NSString *sampleText = @"Lorem ipsum dolor sit amet, consectetur adipisicing elit, sed do eiusmod tempor incididunt ut labore et dolore magna aliqua. Ut enim ad minim veniam, quis nostrud exercitation ullamco laboris nisi ut aliquip ex ea commodo consequat. Duis aute irure dolor in reprehenderit in voluptate velit esse cillum dolore eu fugiat nulla pariatur. Excepteur sint occaecat cupidatat non proident, sunt in culpa qui officia deserunt mollit anim id est laborum.";
    
    // Create label
    UILabel *label = [[UILabel alloc] initWithFrame:CGRectMake(0, 0, self.view.frame.size.width, 400)];   
    label.numberOfLines= 0;   
    label.lineBreakMode= NSLineBreakByWordWrapping;
    
    
    // 通过段落样式对齐文本
    NSMutableParagraphStyle *paragraphStyle = [[NSMutableParagraphStyle alloc] init];   
    paragraphStyle.alignment= NSTextAlignmentJustified;
    NSAttributedString *attributedString = [[NSAttributedString alloc] initWithString:sampleText attributes:@{
                    NSParagraphStyleAttributeName : paragraphStyle,
                    NSBaselineOffsetAttributeName : [NSNumber numberWithFloat:0]
                    }];   label.attributedText= attributedString;
    [self.view addSubview:label];

iOS对齐文本

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