From 4f3a98f19143865cdc1de4791e8a95d96bd40c65 Mon Sep 17 00:00:00 2001
From: maven <2163098428@qq.com>
Date: 星期五, 01 八月 2025 13:27:59 +0800
Subject: [PATCH] yys 密码已重置
---
ruoyi-common/src/main/java/com/ruoyi/common/utils/DateImageUtil.java | 61 ++++++++++++++++++++++++++++++
1 files changed, 61 insertions(+), 0 deletions(-)
diff --git a/ruoyi-common/src/main/java/com/ruoyi/common/utils/DateImageUtil.java b/ruoyi-common/src/main/java/com/ruoyi/common/utils/DateImageUtil.java
new file mode 100644
index 0000000..7fb91ee
--- /dev/null
+++ b/ruoyi-common/src/main/java/com/ruoyi/common/utils/DateImageUtil.java
@@ -0,0 +1,61 @@
+package com.ruoyi.common.utils;
+
+import javax.imageio.ImageIO;
+import java.awt.*;
+import java.awt.font.FontRenderContext;
+import java.awt.geom.Rectangle2D;
+import java.awt.image.BufferedImage;
+import java.io.ByteArrayInputStream;
+import java.io.ByteArrayOutputStream;
+import java.io.IOException;
+import java.io.InputStream;
+import java.time.LocalDateTime;
+import java.time.format.DateTimeFormatter;
+
+/**
+ * @Author zhuo
+ * @Date 2024/9/28
+ */
+public class DateImageUtil {
+
+ /**
+ * 鐢熸垚 褰撳墠鏃ユ湡鐨勭敾甯�
+ * @return
+ */
+ public static InputStream createDateImage(LocalDateTime date) {
+ int width = 80;
+ int height = 20;
+ DateTimeFormatter formatter = DateTimeFormatter.ofPattern("yyyy.MM.dd");
+ if (date == null) {
+ date = LocalDateTime.now();
+ }
+ String s = date.format(formatter);
+
+ Font font = new Font("Serif", Font.BOLD, 10);
+ // 鍒涘缓涓�涓敾甯冿紙鑳屾櫙閫忔槑锛�
+ BufferedImage bi = new BufferedImage(width, height, BufferedImage.TYPE_INT_ARGB);
+ // 鑾峰彇鐢诲竷鐨勭敾绗�
+ Graphics2D g2 = (Graphics2D) bi.getGraphics();
+ // 寮�濮嬬粯鍥�
+ g2.setComposite(AlphaComposite.Src); // 纭繚缁樺浘鏃舵槸閫忔槑鑳屾櫙
+ g2.setBackground(new Color(0, 0, 0, 0)); // 鑳屾櫙鑹蹭负閫忔槑
+ g2.clearRect(0, 0, width, height);
+ g2.setPaint(new Color(0, 0, 0)); // 璁剧疆缁樺埗棰滆壊
+ FontRenderContext context = g2.getFontRenderContext();
+ Rectangle2D bounds = font.getStringBounds(s, context);
+ double x = (width - bounds.getWidth()) / 2;
+ double y = (height - bounds.getHeight()) / 2;
+ double ascent = -bounds.getY();
+ double baseY = y + ascent;
+ g2.drawString(s, (int) x, (int) baseY);
+ g2.dispose(); // 閲婃斁鐢荤瑪璧勬簮
+ ByteArrayOutputStream os = new ByteArrayOutputStream();
+
+ try {
+ ImageIO.write(bi, "png", os);
+ } catch (IOException e) {
+ throw new RuntimeException(e);
+ }
+ return new ByteArrayInputStream(os.toByteArray());
+ }
+}
--
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