From 7a233005e8738349671d750fe5d7ac4e531ae281 Mon Sep 17 00:00:00 2001
From: TomXin <766781886@qq.com>
Date: Sun, 21 Aug 2022 03:54:33 +0800
Subject: [PATCH] =?UTF-8?q?=E7=BB=99QrCodeUtil=E6=B7=BB=E5=8A=A0=E7=94=9F?=
 =?UTF-8?q?=E6=88=90Ascii=20Art=E5=AD=97=E7=AC=A6=E7=94=BB=E6=A0=BC?=
 =?UTF-8?q?=E5=BC=8F=E4=BA=8C=E7=BB=B4=E7=A0=81=E7=9A=84=E5=8A=9F=E8=83=BD?=
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

---
 .../cn/hutool/extra/qrcode/QrCodeUtil.java    | 61 +++++++++++++++++++
 .../hutool/extra/qrcode/QrCodeUtilTest.java   |  8 +++
 2 files changed, 69 insertions(+)

diff --git a/hutool-extra/src/main/java/cn/hutool/extra/qrcode/QrCodeUtil.java b/hutool-extra/src/main/java/cn/hutool/extra/qrcode/QrCodeUtil.java
index c5a0f5780..53da5235f 100755
--- a/hutool-extra/src/main/java/cn/hutool/extra/qrcode/QrCodeUtil.java
+++ b/hutool-extra/src/main/java/cn/hutool/extra/qrcode/QrCodeUtil.java
@@ -108,6 +108,38 @@ public class QrCodeUtil {
 		return toSVG(bitMatrix, qrConfig);
 	}
 
+	/**
+	 * @param content 内容
+	 * @return ASCII Art字符画形式的二维码
+	 * @since 5.8.6
+	 */
+	public static String generateAsAsciiArt(String content) {
+		return generateAsAsciiArt(content, 0,0,1);
+	}
+	/**
+	 * @param content 内容
+	 * @param qrConfig 二维码配置，仅长、宽、边距配置有效
+	 * @return ASCII Art字符画形式的二维码
+	 * @since 5.8.6
+	 */
+	public static String generateAsAsciiArt(String content, QrConfig qrConfig) {
+		BitMatrix bitMatrix = encode(content, qrConfig);
+		return toAsciiArt(bitMatrix);
+	}
+
+	/**
+	 * @param content 内容
+	 * @param width 宽
+	 * @param height 长
+	 * @return ASCII Art字符画形式的二维码
+	 * @since 5.8.6
+	 */
+	public static String generateAsAsciiArt(String content,int width, int height,int margin) {
+		QrConfig qrConfig = new QrConfig(width, height).setMargin(margin);
+		return generateAsAsciiArt( content,  qrConfig);
+	}
+
+
 	/**
 	 * 生成PNG格式的二维码图片，以byte[]形式表示
 	 *
@@ -495,6 +527,35 @@ public class QrCodeUtil {
 				"</svg>";
 	}
 
+	/**
+	 * @param bitMatrix
+	 * @return ASCII Art字符画形式的二维码
+	 * @since 5.8.6
+	 */
+	public static String toAsciiArt(BitMatrix bitMatrix) {
+		int width = bitMatrix.getWidth();
+		int height = bitMatrix.getHeight();
+		StringBuilder result = new StringBuilder(height * (width + 1));
+		for (int i = 0; i <= height; i += 2) {
+			for (int j = 0; j < width; j++) {
+				boolean tp = bitMatrix.get(i, j);
+				boolean bt = i + 1 >= height || bitMatrix.get(i + 1, j);
+				if (tp && bt) {
+					result.append(' ');//'\u0020'
+				} else if (tp) {
+					result.append('▄');//'\u2584'
+				} else if (bt) {
+					result.append('▀');//'\u2580'
+				} else {
+					result.append('█');//'\u2588'
+				}
+
+			}
+			result.append('\n');
+		}
+		return result.toString();
+	}
+
 	/**
 	 * 创建解码选项
 	 *
diff --git a/hutool-extra/src/test/java/cn/hutool/extra/qrcode/QrCodeUtilTest.java b/hutool-extra/src/test/java/cn/hutool/extra/qrcode/QrCodeUtilTest.java
index 04ab35dcf..9a13e58eb 100755
--- a/hutool-extra/src/test/java/cn/hutool/extra/qrcode/QrCodeUtilTest.java
+++ b/hutool-extra/src/test/java/cn/hutool/extra/qrcode/QrCodeUtilTest.java
@@ -118,4 +118,12 @@ public class QrCodeUtilTest {
 		FileUtil.writeString(svg, "d:/test/qr.svg", StandardCharsets.UTF_8);
 	}
 
+	@Test
+	public void generateAsciiArtTest() {
+		QrConfig qrConfig = QrConfig.create();
+		String asciiArt = QrCodeUtil.generateAsAsciiArt("https://hutool.cn/呱呱呱呱呱呱呱呱呱呱呱呱呱呱呱古古怪怪");
+		Assert.assertNotNull(asciiArt);
+		System.out.println(asciiArt);
+	}
+
 }