修改了资源路径6

src/main/java/com/example/caseData/service/CertService.java

@@ -11,11 +11,8 @@ import javax.imageio.ImageIO;
 import java.awt.*;
 import java.awt.geom.Ellipse2D;
 import java.awt.image.BufferedImage;
-import java.io.ByteArrayInputStream;
-import java.io.ByteArrayOutputStream;
-import java.io.IOException;
+import java.io.*;
 import java.text.SimpleDateFormat;
-import java.io.File;
 import java.util.Date;
 import java.util.Objects;
 import org.springframework.core.io.ClassPathResource;
@@ -43,7 +40,8 @@ public class CertService  {
             g2d.setRenderingHint(RenderingHints.KEY_TEXT_ANTIALIASING, RenderingHints.VALUE_TEXT_ANTIALIAS_ON);
 
             // 1. 添加证书编号
-            Font font = new Font("Microsoft YaHei", Font.PLAIN, 40); // 可根据模板调整大小
+            Font font = loadFont("static/cert/msyh.ttf", 40f);
+//            Font font = new Font("Microsoft YaHei", Font.PLAIN, 40); // 可根据模板调整大小
             g2d.setFont(font);
 
             Color customColor = Color.decode("#008983");
@@ -266,5 +264,14 @@ public class CertService  {
         }
     }
 
-
+    public static Font loadFont(String path, float size) {
+        try {
+            ClassPathResource resource = new ClassPathResource(path);
+            try (InputStream inputStream = resource.getInputStream()) {
+                return Font.createFont(Font.TRUETYPE_FONT, inputStream).deriveFont(size);
+            }
+        } catch (Exception e) {
+            throw new RuntimeException("字体加载失败: " + path, e);
+        }
+    }
 }