zoukankan      html  css  js  c++  java
  • NSParagraphStyle 的属性

    UILabel * label = [[UILabel alloc] initWithFrame:CGRectMake(0, 0, 20, 20)];
        label.font = [UIFont systemFontOfSize:14];
        label.numberOfLines = 0;
        [self.view addSubview:label];
        [label mas_makeConstraints:^(MASConstraintMaker *make) {
            make.left.offset(20);
            make.right.offset(-20);
            make.top.offset(160);
        }];
        NSString * desc = @"这是一段titlte文案,这是一段titlte文案,这是一段titlte文案,这是一段titlte文案后面是一个换行
    This morning (March 29th), most cities and counties in Guangdong were cloudy and covered with light fog. Some areas in Qingyuan, Shaoguan and Zhaoqing saw dense fog with visibility of less than 500 meters.
    
    这是一段titlte文案,后面是一个换行
    ";
        NSMutableParagraphStyle * style = [NSMutableParagraphStyle defaultParagraphStyle].mutableCopy;
        style.paragraphSpacing = 10; //当前段落和下一个段落的距离
        style.paragraphSpacingBefore = 5;//当前段落和上一个段落的距离
        style.lineSpacing = 20;//当前行和下一行的距离,空白行也存在间距,这个间距在行下
    //    style.lineHeightMultiple = 2.0; //这个间距在行上
        style.firstLineHeadIndent = 30; //当前段落第一行的偏移量
        style.headIndent = 20;  //当前段落其他行的偏移量
        style.lineBreakMode = NSLineBreakByWordWrapping;//截断模式
    //    style.tailIndent = -16; //为正数时代表显示宽度,为负数时代表距离右边的间距
    //    style.alignment = NSTextAlignmentRight; //对齐方式
        //书写方向
    //    style.baseWritingDirection = NSWritingDirectionRightToLeft;
        style.hyphenationFactor = 1.0; //0 or 1
        NSDictionary * dict = @{
                                NSFontAttributeName:[UIFont systemFontOfSize:18],
                                NSForegroundColorAttributeName:[UIColor blackColor],
                                NSParagraphStyleAttributeName:style,
                                NSBackgroundColorAttributeName:[UIColor redColor]
                                };
        NSAttributedString * attr = [[NSAttributedString alloc] initWithString:desc attributes:dict];
        label.attributedText = attr;
    
  • 相关阅读:
    程序员励志语录
    javaEE的十一种技术
    gui内函数调用顺序
    m文件中函数的执行顺序
    VC++与Matlab混合编程之引擎操作详解(6)数据类型mxArray的操作
    GUI(2)
    时间管理
    Matlab GUI界面
    matlab GUI(2)
    MATLAB GUI平台
  • 原文地址:https://www.cnblogs.com/gulong/p/10628074.html
Copyright © 2011-2022 走看看