Text | ios.dev

// ⭐️ 設定小數位數(Slider 常用)
//                           小數位數 ↴
Text("scale：\(scale, specifier: "%0.2f")")       // 兩位小數
    .font(.system(.body, design: .monospaced))    // ⭐️ 使用等寬字體

// ⭐️ 多行對齊
Text("first line\nsecond line\nthird line")
    .multilineTextAlignment(.center)    // ⭐️ 還有 .leading, .trailing

import SwiftUI

struct ContentView: View {
    var body: some View {
        VStack(alignment: .leading, spacing: 20) {
            texts
            Color.secondary.frame(height: 0.5)
            textWithBG
        }
        .padding(40)
    }
}

extension ContentView {
    
    /// ⭐ text with background is NO MORE a `Text`❗❗❗
    var textWithBG: some View {
        HStack {
            Text("⚠️")
            Text(" .background ").background(Color.pink)
            Text(" is ")
                + Text("NO MORE").bold().foregroundColor(.pink)
                + Text(" a `Text`❗")
        }
    }
    
    /// texts in different styles
    var texts: some View {
        [
            Text(".bold").bold(),
            Text(".italic").italic(),
            Text(".foregroundColor").foregroundColor(.green),
            
            Text(".font(.title)").font(.title),
            Text("\n.fontWeight(.heavy)").fontWeight(.heavy),
            Text(".font(.system(size:40))").font(.system(size: 40)),
            
            Text("\n.strikethrough").strikethrough(),
            Text(".strikethrough(true, color: .red)").strikethrough(true, color: .red),
            Text("\n.underline").underline(),
            Text(".underline(true, color: .blue)").underline(true, color: .blue),
            
            Text(".baseline")
            + Text("Offset(10)").baselineOffset(10).font(.caption),
            
            Text("\n.kerning .kerning .kerning").kerning(8),
            Text("\n.tracking (letter-spacing)").tracking(8),
            
            Text("\n⭐️ inline system image: Five ")
                + Text(Image(systemName: "star.circle.fill")).foregroundColor(.yellow)    
                + Text(" Stars"),
            
            Text("\n⭐️ markdown: Go for [apple.com](https://apple.com)"),
        ]
        .reduce(into: Text("normal")) { result, text in
            result = result + Text(" ") + text
        }
        .lineSpacing(10)
        .foregroundColor(.secondary)
    }
}

Slider
can be aligned by using .frame(). 👉 See:
a View for String.
can be styled using AttributedString.
supports Markdown.
can be rendered with Gradient+.
can change Font.

⟩ ⟩
- ⟩
- ⟩
  - ：specifies style, design, and weight.
  - ：specifies a system font.
⟩ ⟩ (struct)

uses only a subset of the attributes defined in .

Text renders all attributes except for and .
It also renders the attribute as a clickable link.
Textignores any other Foundation-defined attributes in an attributed string.

問：如何幫文字設定各種格式❓如何排版文字❓