269 lines
10 KiB
Java
269 lines
10 KiB
Java
package com.example.caseData.service;
|
||
|
||
import com.example.caseData.config.AppConfig;
|
||
import com.example.caseData.config.EnvConfig;
|
||
import com.example.caseData.exception.BusinessException;
|
||
import com.example.caseData.extend.aliyun.Oss;
|
||
import jakarta.annotation.Resource;
|
||
import org.springframework.stereotype.Service;
|
||
|
||
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.text.SimpleDateFormat;
|
||
import java.io.File;
|
||
import java.util.Date;
|
||
import java.util.Objects;
|
||
|
||
@Service
|
||
public class CertService {
|
||
@Resource
|
||
private EnvConfig envConfig;
|
||
|
||
// 生成证书
|
||
public String createCert( byte[] avatarPath,
|
||
String sealPath,
|
||
String certificateNo,
|
||
String name,
|
||
String content,
|
||
byte[] qrCodeByte
|
||
){
|
||
try {
|
||
// 加载背景模板图片
|
||
BufferedImage background = ImageIO.read(new File("src/main/resources/static/cert/template.png"));
|
||
|
||
Graphics2D g2d = (Graphics2D) background.getGraphics();
|
||
g2d.setRenderingHint(RenderingHints.KEY_ANTIALIASING, RenderingHints.VALUE_ANTIALIAS_ON);
|
||
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
|
||
g2d.setFont(font);
|
||
|
||
Color customColor = Color.decode("#008983");
|
||
g2d.setColor(customColor);
|
||
g2d.drawString(certificateNo, 285, 570);
|
||
|
||
// 2. 处理并添加头像
|
||
BufferedImage avatar = ImageIO.read(new ByteArrayInputStream(avatarPath));
|
||
int size = 116; // 目标大小
|
||
BufferedImage circleAvatar = createCircularImage(avatar, size);
|
||
g2d.drawImage(circleAvatar, 465, 620, null);
|
||
|
||
// 3. 添加姓名
|
||
font = new Font("Microsoft YaHei", Font.PLAIN, 40); // 可根据模板调整大小
|
||
g2d.setFont(font);
|
||
|
||
customColor = Color.decode("#111827");
|
||
g2d.setColor(customColor);
|
||
g2d.drawString(name, 465, 790);
|
||
|
||
// 4. 添加证书内容
|
||
font = new Font("Microsoft YaHei", Font.PLAIN, 48); // 可根据模板调整大小
|
||
g2d.setFont(font);
|
||
|
||
customColor = Color.decode("#111827");
|
||
g2d.setColor(customColor);
|
||
drawStringWithLineBreak(g2d, content, 185, 880, 700, font); // 自动换行绘制文本
|
||
|
||
// 5. 添加日期
|
||
SimpleDateFormat sdf = new SimpleDateFormat("yyyy年MM月dd日");
|
||
String currentDate = sdf.format(new Date());
|
||
|
||
font = new Font("Microsoft YaHei", Font.PLAIN, 34); // 可根据模板调整大小
|
||
g2d.setFont(font);
|
||
|
||
customColor = Color.decode("#111827");
|
||
g2d.setColor(customColor);
|
||
g2d.drawString(currentDate, 700, 1277);
|
||
|
||
// 6. 添加印章
|
||
BufferedImage seal = ImageIO.read(new File(sealPath));
|
||
seal = resize(seal, 264, 264); // 调整印章大小
|
||
g2d.drawImage(seal, 645, 1150, null);
|
||
|
||
// 6. 添加小程序二维码
|
||
BufferedImage wechatMa = ImageIO.read(new ByteArrayInputStream(qrCodeByte));
|
||
wechatMa = resize(wechatMa, 205, 205); // 调整印章大小
|
||
g2d.drawImage(wechatMa, 80, 1450, null);
|
||
|
||
// 释放资源
|
||
g2d.dispose();
|
||
|
||
// === 将图片转为 byte[] ===
|
||
ByteArrayOutputStream os = new ByteArrayOutputStream();
|
||
ImageIO.write(background, "png", os);
|
||
byte[] imageBytes = os.toByteArray();
|
||
|
||
String fileName = "";
|
||
if (Objects.equals(envConfig.getActive(), "dev")){
|
||
fileName = "dev/static/images/" + certificateNo + ".png";
|
||
}else{
|
||
fileName = "prod/static/images/" + certificateNo + ".png";
|
||
}
|
||
|
||
boolean uploaded = Oss.putObject(fileName, imageBytes);
|
||
if (uploaded) {
|
||
// 返回可访问的 URL（假设你有自定义域名）
|
||
// 格式：http://你的域名/文件名
|
||
return "/" + fileName;
|
||
}
|
||
|
||
// // 保存最终的证书图片
|
||
// ImageIO.write(background, "png", new File("cert.png"));
|
||
// System.out.println("Certificate generated successfully!");
|
||
} catch (IOException e) {
|
||
throw new BusinessException(e.getMessage());
|
||
}
|
||
|
||
return null;
|
||
}
|
||
|
||
// 生成证书
|
||
public String createCertTest(
|
||
String sealPath,
|
||
String certificateNo,
|
||
String name,
|
||
String content
|
||
){
|
||
try {
|
||
// 加载背景模板图片
|
||
BufferedImage background = ImageIO.read(new File("src/main/resources/static/cert/template.png"));
|
||
|
||
Graphics2D g2d = (Graphics2D) background.getGraphics();
|
||
g2d.setRenderingHint(RenderingHints.KEY_ANTIALIASING, RenderingHints.VALUE_ANTIALIAS_ON);
|
||
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
|
||
g2d.setFont(font);
|
||
|
||
Color customColor = Color.decode("#008983");
|
||
g2d.setColor(customColor);
|
||
g2d.drawString(certificateNo, 285, 570);
|
||
|
||
// 2. 处理并添加头像
|
||
BufferedImage avatar = ImageIO.read(new File("src/main/resources/static/cert/avt.png"));
|
||
int size = 116; // 目标大小
|
||
BufferedImage circleAvatar = createCircularImage(avatar, size);
|
||
g2d.drawImage(circleAvatar, 465, 620, null);
|
||
|
||
// 3. 添加姓名
|
||
font = new Font("Microsoft YaHei", Font.PLAIN, 40); // 可根据模板调整大小
|
||
g2d.setFont(font);
|
||
|
||
customColor = Color.decode("#111827");
|
||
g2d.setColor(customColor);
|
||
g2d.drawString(name, 465, 790);
|
||
|
||
// 4. 添加证书内容
|
||
font = new Font("Microsoft YaHei", Font.PLAIN, 48); // 可根据模板调整大小
|
||
g2d.setFont(font);
|
||
|
||
customColor = Color.decode("#111827");
|
||
g2d.setColor(customColor);
|
||
drawStringWithLineBreak(g2d, content, 185, 880, 700, font); // 自动换行绘制文本
|
||
|
||
// 5. 添加日期
|
||
SimpleDateFormat sdf = new SimpleDateFormat("yyyy年MM月dd日");
|
||
String currentDate = sdf.format(new Date());
|
||
|
||
font = new Font("Microsoft YaHei", Font.PLAIN, 34); // 可根据模板调整大小
|
||
g2d.setFont(font);
|
||
|
||
customColor = Color.decode("#111827");
|
||
g2d.setColor(customColor);
|
||
g2d.drawString(currentDate, 700, 1277);
|
||
|
||
// 6. 添加印章
|
||
BufferedImage seal = ImageIO.read(new File(sealPath));
|
||
seal = resize(seal, 264, 264); // 调整印章大小
|
||
g2d.drawImage(seal, 645, 1150, null);
|
||
|
||
// 6. 添加小程序二维码
|
||
BufferedImage wechatMa = ImageIO.read(new File("src/main/resources/static/cert/weChatMa.png"));
|
||
wechatMa = resize(wechatMa, 205, 205); // 调整印章大小
|
||
g2d.drawImage(wechatMa, 80, 1450, null);
|
||
|
||
// 释放资源
|
||
g2d.dispose();
|
||
|
||
// === 将图片转为 byte[] ===
|
||
// ByteArrayOutputStream os = new ByteArrayOutputStream();
|
||
// ImageIO.write(background, "png", os);
|
||
// byte[] imageBytes = os.toByteArray();
|
||
//
|
||
// String fileName = "";
|
||
// if (Objects.equals(envConfig.getActive(), "dev")){
|
||
// fileName = "dev/static/images/" + certificateNo + ".png";
|
||
// }else{
|
||
// fileName = "prod/static/images/" + certificateNo + ".png";
|
||
// }
|
||
//
|
||
// boolean uploaded = Oss.putObject(fileName, imageBytes);
|
||
// if (uploaded) {
|
||
// // 返回可访问的 URL（假设你有自定义域名）
|
||
// // 格式：http://你的域名/文件名
|
||
// return "/" + fileName;
|
||
// }
|
||
|
||
// // 保存最终的证书图片
|
||
ImageIO.write(background, "png", new File("cert.png"));
|
||
System.out.println("Certificate generated successfully!");
|
||
} catch (IOException e) {
|
||
throw new BusinessException(e.getMessage());
|
||
}
|
||
|
||
return null;
|
||
}
|
||
|
||
private static BufferedImage createCircularImage(BufferedImage originalImg, int size) {
|
||
BufferedImage outputImage = new BufferedImage(size, size, BufferedImage.TYPE_INT_ARGB);
|
||
Graphics2D g2 = outputImage.createGraphics();
|
||
g2.setComposite(AlphaComposite.Src);
|
||
g2.setRenderingHint(RenderingHints.KEY_ANTIALIASING, RenderingHints.VALUE_ANTIALIAS_ON);
|
||
g2.setColor(Color.WHITE);
|
||
g2.fill(new Ellipse2D.Float(0, 0, size, size));
|
||
g2.setComposite(AlphaComposite.SrcAtop);
|
||
g2.drawImage(originalImg.getScaledInstance(size, size, Image.SCALE_SMOOTH), 0, 0, null);
|
||
g2.dispose();
|
||
return outputImage;
|
||
}
|
||
|
||
private static BufferedImage resize(BufferedImage img, int newW, int newH) {
|
||
Image tmp = img.getScaledInstance(newW, newH, Image.SCALE_SMOOTH);
|
||
BufferedImage dimg = new BufferedImage(newW, newH, BufferedImage.TYPE_INT_ARGB);
|
||
Graphics2D g2d = dimg.createGraphics();
|
||
g2d.drawImage(tmp, 0, 0, null);
|
||
g2d.dispose();
|
||
return dimg;
|
||
}
|
||
|
||
// 绘制带自动换行的字符串
|
||
private static void drawStringWithLineBreak(Graphics2D g2d, String text, int x, int y, int maxWidth, Font font) {
|
||
FontMetrics fm = g2d.getFontMetrics(font);
|
||
StringBuilder line = new StringBuilder();
|
||
String[] words = text.split("");
|
||
|
||
for (String word : words) {
|
||
int lineWidth = fm.stringWidth(line + word);
|
||
if (lineWidth < maxWidth) {
|
||
line.append(word);
|
||
} else {
|
||
g2d.drawString(line.toString(), x, y);
|
||
y += fm.getHeight();
|
||
line = new StringBuilder(word);
|
||
}
|
||
}
|
||
if (!line.isEmpty()) {
|
||
g2d.drawString(line.toString(), x, y);
|
||
}
|
||
}
|
||
|
||
|
||
}
|