text-decoration:underline;
text = "Python文本加下划线"
underlined_text = '_' + text + '_'
print(underlined_text)
val builder = SpannableStringUtil.create(context!!)
.setText("类似于HTML中的<li>标签的圆点效果")
.setBullet(android.R.color.holo_green_dark)//添加圆点
.setTextColor(android.R.color.black)
.setText("\n设置文字左侧显示引用样式")
.setQuote(android.R.color.holo_green_dark)
.setText("\n设置下划线以及删除线")
.setTextUnderline()//下划线
.setTextStrikeThrough()//删除线
.setTextColor(android.R.color.holo_red_dark)
.setTextSize(20)
.setTextStyle(Typeface.ITALIC)
.setText("这个可以点击")
.setTextColor(android.R.color.holo_green_dark)
.setTextSize(21)
.setTextStyle(Typeface.BOLD)//字体样式
.setClick(tv_span1,{
Log.e("data", it)
},true)//设置点击
.setText("这里设置下标")
.setTextColor(android.R.color.holo_blue_dark)
.setTextSubscript(6)//下标
.setTextColor(android.R.color.holo_orange_dark)
.setText("这里可以设置上标")
.setScaleX(1.5f)
.setTextColor(android.R.color.holo_green_dark)
.setTextSuperscript(6)//上标
.setTextColor(android.R.color.holo_blue_dark)
.setDrawable(R.mipmap.ic_launcher,100,100)
.setAlign(Layout.Alignment.ALIGN_OPPOSITE)
.build()
tv_span1.text = builder
val builder1 = SpannableStringUtil.create(context!!)
.setText("人的一生，有许多事情，是需要放在心里慢慢回味的，过去的就莫要追悔，一切向前看吧 任何打击都不足以成为你堕落的借口，即使你改变不了这个世界，你却依然可以改变自己，选择条正确的路永远走下去。")
.setTextColor(android.R.color.holo_orange_dark)
.setTextSize(17)
.setTextLeadingMargin(30)//设置文本缩进
.build()
tv_span2.text = builder1flowchart TD
A(开始)
B[创建TextView]
C[设置下划线]
D(结束)
A --> B
B --> C
C --> D
text-decoration-line: none | [ underline || overline || line-through || blink ]
text-decoration-style: solid | double | dotted | dashed | wavy
text-decoration-color:
text-decoration-thickness: auto | from-font |
text-decoration-skip: none | [ objects || [ spaces | [ leading-spaces || trailing-spaces ] ] || edges || box-decoration ]
text-decoration-skip-ink: auto| none
其中text-decoration-line、text-decoration-style和text-decoration-color还可以简写成text-decoration：
text-decoration: || ||
除些之外，还新增了text-underline-position和text-underline-offset属性给文本设置下划线样式：
text-underline-position: auto | [ under || [ left | right ] ]
text-underline-offset: auto |float pi1 = 3_.1415F; // Invalid; cannot put underscores adjacent (before) to a decimal point
float pi2 = 3._1415F; // Invalid; cannot put underscores adjacent (after) to a decimal point
long socialSecurityNumber1 = 999_99_9999_L; // Invalid; cannot put underscores prior to an L suffix
int a1 = _52; // This is an identifier, not a numeric literal, starts with underscore
int a2 = 5_2; // OK (decimal literal)
int a3 = 52_; // Invalid; cannot put underscores at the end of a literal
int a4 = 5_______2; // OK (decimal literal)
int a5 = 0_x52; // Invalid; cannot put underscores in the 0x radix prefix
int a6 = 0x_52; // Invalid; cannot put underscores at the beginning of a number
int a7 = 0x5_2; // OK (hexadecimal literal)
int a8 = 0x52_; // Invalid; cannot put underscores at the end of a number
int a9 = 0_52; // OK (octal literal)
int a10 = 05_2; // OK (octal literal)
int a11 = 052_; // Invalid; cannot put underscores at the end of a number<resources>
<string name="hello"><u>phone:0123456</u></string>
<string name="app_name">MyLink</string>
</resources>
SpannableString content = new SpannableString("这是一段带有下划线的文本");
content.setSpan(new UnderlineSpan(), 0, content.length(), 0);
textView.setText(content);
import { StyleSheet } from 'react-native'
const styles = StyleSheet.create({
mExchangeCopyText: {fontWeight: 'bold', color: '#1677ff', textDecorationLine: 'underline'}
})
export default stylesimport { StyleSheet } from 'react-native'
const styles = StyleSheet.create({
mExchangeCopyText: {fontWeight: 'bold', color: '#1677ff', textDecorationLine: 'underline'}
})
export default stylespie
title 实现步骤
"步骤1" : 数据准备
"步骤2" : 获取文本字符串
"步骤3" : 添加下划线
"步骤4" : 输出结果
UILabel * strikeLabel = [[UILabel alloc] initWithFrame:(CGRectMake(10, 10, 50, 30))];
NSString *textStr = [NSString stringWithFormat:@"%@元", primeCost];
//中划线
NSDictionary *attribtDic = @{NSStrikethroughStyleAttributeName: [NSNumber numberWithInteger:NSUnderlineStyleSingle]};
NSMutableAttributedString *attribtStr = [[NSMutableAttributedString alloc]initWithString:textStr attributes:attribtDic];
// 赋值
strikeLabel.attributedText = attribtStr;
[self.view addSubview:strikeLabel];
>>> _
Traceback (most recent call last):
File "", line 1, in
NameError: name '_' is not defined
>>> 42
>>> _
>>> 'alright!' if _ else ':('
'alright!'
>>> _
'alright!'>>> Class1.__doc__ # 类帮助信息 'Class1 Doc.'
>>> Class1.__name__ # 类名称 'Class1'
>>> Class1.__module__ # 类所在模块 '__main__'
>>> Class1.__bases__ # 类所继承的基类 (<type 'object'>,)
>>> Class1.__dict__ # 类字典，存储所有类成员信息。
>>> Class1().__class__ # 实例实例化类信息 <class '__main__.Class1'>
>>> Class1().__module__ # 实例类型所在模块 '__main__'
>>> Class1.__dict__ # 类存储信息 {'__dict__': <attribute '__dict__' of 'People' objects>, '__module__': '__main__', '__weakref__': <attribute '__weakref__' of 'People' objects>, 'name': 'xxx', '__doc__': '\n Class1 Doc\n '}import javax.swing.*;
import java.awt.*;
public class UnderlineExample {
public static void main(String[] args) {
SwingUtilities.invokeLater(new Runnable() {
public void run() {
createAndShowGUI();
}
});
}
private static void createAndShowGUI() {
// 创建一个JFrame窗口
JFrame frame = new JFrame("Underline Example");
frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
// 创建一个JLabel组件
JLabel label = new JLabel("<html><u>Hello, Java!</u></html>");
label.setFont(new Font("Arial", Font.PLAIN, 16));
// 将JLabel添加到JFrame中
frame.getContentPane().add(label);
// 设置JFrame的大小并显示
frame.setSize(300, 200);
frame.setVisible(true);
}
}
gantt
title 实现“Java给字符串加下划线”流程图
section 准备工作
定义字符串: done, 2021-01-01, 1d
创建StringBuilder对象: done, after 定义字符串, 1d
section 加下划线
循环遍历字符串: done, 2021-01-03, 2d
添加下划线: done, after 循环遍历字符串, 1d
TextView textView = findViewById(R.id.text_view);
String text = "这是一段需要添加下划线的文字";
SpannableString spannableString = new SpannableString(text);
spannableString.setSpan(new UnderlineSpan(), 0, text.length(), 0);
textView.setText(spannableString);
classDiagram
class 小白 {
+实现JAVA大写加下划线()
}
class 经验丰富的开发者 {
+教会小白实现JAVA大写加下划线()
}
经验丰富的开发者 --|> 小白
