水产舆情采集海报生成背景图修改

@@ -48,6 +48,28 @@ public class FishAquaticPublicOpinion extends BaseEntity
     @ApiModelProperty(value="鱼价")
     private String fishPrice;
 
+    @ApiModelProperty(value="简介")
+    private String briefIntroduction;
+
+    @ApiModelProperty(value="短标题")
+    private String shortTitle;
+
+    public String getShortTitle() {
+        return shortTitle;
+    }
+
+    public void setShortTitle(String shortTitle) {
+        this.shortTitle = shortTitle;
+    }
+
+    public String getBriefIntroduction() {
+        return briefIntroduction;
+    }
+
+    public void setBriefIntroduction(String briefIntroduction) {
+        this.briefIntroduction = briefIntroduction;
+    }
+
     public String getFishPrice() {
         return fishPrice;
     }

@@ -48,109 +48,147 @@ public class MultiTextImageGenerator {
      * 背景图分为顶部 logo、中部纯色、底部 logo 三部分。
      * 中间内容区根据数据动态拉伸，高度自动适配。
      */
-    public static String generateImage(List<AbstractMap.SimpleEntry<String, String>> dataList, StyleConfig style) throws IOException {
-        // 读取背景图
+    public static String generateImage(List<AbstractMap.SimpleEntry<String, String>> dataList,
+                                       StyleConfig style) throws IOException {
+        // 加载背景图及参数
         BufferedImage baseImage = ImageIO.read(new File(style.backgroundPath));
         int width = baseImage.getWidth();
         int maxTextWidth = width - 2 * style.startX;
 
-        // 取背景图中部颜色作为中间背景区的纯色背景
+        // 获取中部纯色背景色
         int centerY = baseImage.getHeight() / 2;
-        int centerColorRGB = baseImage.getRGB(width / 2, centerY);
-        Color pureBackgroundColor = new Color(centerColorRGB);
-
-        // 创建临时画布用于计算文字高度
-        BufferedImage tempImage = new BufferedImage(1, 1, BufferedImage.TYPE_INT_ARGB);
-        Graphics2D tempG = tempImage.createGraphics();
-        tempG.setRenderingHint(RenderingHints.KEY_ANTIALIASING, RenderingHints.VALUE_ANTIALIAS_ON);
-        tempG.setRenderingHint(RenderingHints.KEY_TEXT_ANTIALIASING, RenderingHints.VALUE_TEXT_ANTIALIAS_ON);
-        int contentHeight = calculateTotalHeight(dataList, style, tempG, maxTextWidth); // 动态内容高度
-        tempG.dispose();
-
-        // 新图总高度 = 顶部logo + 内容区 + 底部logo
-        int finalHeight = style.topLogoHeight + contentHeight + style.bottomLogoHeight;
-        BufferedImage newImage = new BufferedImage(width, finalHeight, BufferedImage.TYPE_INT_ARGB);
-        Graphics2D g = newImage.createGraphics();
-
-        // 绘制顶部 logo 区域
+        Color pureBackgroundColor = new Color(baseImage.getRGB(width / 2, centerY));
+
+        // 计算内容区高度
+        BufferedImage tmp = new BufferedImage(1, 1, BufferedImage.TYPE_INT_ARGB);
+        Graphics2D gTemp = tmp.createGraphics();
+        gTemp.setFont(style.contentFont);
+        FontMetrics fmTemp = gTemp.getFontMetrics();
+        int contentHeight = calculateTotalHeight(dataList, style, gTemp, maxTextWidth);
+        gTemp.dispose();
+
+        // 加载 logo 和二维码
+        BufferedImage logoImg = ImageIO.read(new File("logo_baise.png"));
+        BufferedImage qr1 = ImageIO.read(new File(style.qrCodePath1));
+        BufferedImage qr2 = ImageIO.read(new File(style.qrCodePath2));
+        int qrWidth = qr1.getWidth(), qrHeight = qr1.getHeight();
+
+        // 准备文字高度
+        BufferedImage tmp2 = new BufferedImage(1, 1, BufferedImage.TYPE_INT_ARGB);
+        Graphics2D gTemp2 = tmp2.createGraphics();
+        gTemp2.setFont(style.contentFont);
+        FontMetrics fm2 = gTemp2.getFontMetrics();
+        int textHeight = fm2.getHeight();
+        gTemp2.dispose();
+
+        // 间距配置
+        int qrTextSpacing = style.qrTextSpacing; // 二维码下文字间距
+        int minBottomPadding = style.minBottomPadding; // 底部最少空白
+        int qrSpacing = style.qrSpacing;
+
+        // 计算底部总高度：二维码 + 文字 + spacing + padding
+        int bottomBlockHeight = qrHeight + qrTextSpacing + textHeight + minBottomPadding;
+
+        // 总高度
+        int finalHeight = style.topLogoHeight + contentHeight + bottomBlockHeight;
+
+        // 真正画图
+        BufferedImage newImg = new BufferedImage(width, finalHeight, BufferedImage.TYPE_INT_ARGB);
+        Graphics2D g = newImg.createGraphics();
+        g.setRenderingHint(RenderingHints.KEY_ANTIALIASING, RenderingHints.VALUE_ANTIALIAS_ON);
+        g.setRenderingHint(RenderingHints.KEY_TEXT_ANTIALIASING, RenderingHints.VALUE_TEXT_ANTIALIAS_ON);
+
+        // 顶部 logo 区
         BufferedImage topPart = baseImage.getSubimage(0, 0, width, style.topLogoHeight);
         g.drawImage(topPart, 0, 0, null);
 
-        // 绘制底部 logo 区域
-        BufferedImage bottomPart = baseImage.getSubimage(0, baseImage.getHeight() - style.bottomLogoHeight, width, style.bottomLogoHeight);
-        g.drawImage(bottomPart, 0, finalHeight - style.bottomLogoHeight, null);
-
-        // 绘制中部纯色背景（中间拉伸区域）
+        // 中部背景
         g.setColor(pureBackgroundColor);
         g.fillRect(0, style.topLogoHeight, width, contentHeight);
 
-        // 开启抗锯齿和文字抗锯齿
-        g.setRenderingHint(RenderingHints.KEY_ANTIALIASING, RenderingHints.VALUE_ANTIALIAS_ON);
-        g.setRenderingHint(RenderingHints.KEY_TEXT_ANTIALIASING, RenderingHints.VALUE_TEXT_ANTIALIAS_ON);
+        // 顶部右上角 logo
+        int logoW = logoImg.getWidth(), logoH = logoImg.getHeight();
+        g.drawImage(logoImg, width - style.startX - logoW, 20, null);
 
-        // 内容绘制起始 Y 坐标
+        // 内容绘制
         int currY = style.topLogoHeight + style.startY;
-
         for (int i = 0; i < dataList.size(); i++) {
-            String title = (i + 1) + ". " + dataList.get(i).getKey(); // 标题编号 + 标题
-            String content = dataList.get(i).getValue();              // 内容文本
+            String title = (i + 1) + ". " + dataList.get(i).getKey();
+            String content = dataList.get(i).getValue();
 
-            // 获取标题高度
             g.setFont(style.titleFont);
-            FontMetrics titleMetrics = g.getFontMetrics();
-            int titleHeight = titleMetrics.getHeight();
+            FontMetrics tfm = g.getFontMetrics();
+            int th = tfm.getHeight();
 
-            // 获取内容文本行
             g.setFont(style.contentFont);
-            FontMetrics contentMetrics = g.getFontMetrics();
-            List<String> lines = splitTextIntoLines(content, contentMetrics, maxTextWidth);
-            int lineHeight = contentMetrics.getHeight() + style.lineSpacing;
-            int contentBlockHeight = lines.size() * lineHeight;
+            FontMetrics cfm = g.getFontMetrics();
+            List<String> lines = splitTextIntoLines(content, cfm, maxTextWidth);
+            int lineH = cfm.getHeight() + style.lineSpacing;
+            int blockContentH = lines.size() * lineH;
 
-            // 整体文字高度 = 标题 + 间距 + 内容块
-            int totalTextHeight = titleHeight + 10 + contentBlockHeight;
-            int blockHeight = totalTextHeight + 2 * style.padding;
+            int totalTextH = th + 10 + blockContentH;
+            int blockH = totalTextH + 2 * style.padding;
+            int blockW = maxTextWidth + 2 * style.padding;
 
-            int blockWidth = maxTextWidth + 2 * style.padding;
-            int blockX = style.startX - style.padding;
-            int blockY = currY;
-
-            // 绘制圆角背景块（可配置是否显示）
+            int bx = style.startX - style.padding;
+            int by = currY;
             if (style.showBackgroundBlock) {
                 g.setComposite(AlphaComposite.getInstance(AlphaComposite.SRC_OVER, style.backgroundAlpha));
                 g.setColor(style.backgroundColor);
-                g.fillRoundRect(blockX, blockY, blockWidth, blockHeight, style.cornerRadius, style.cornerRadius);
+                g.fillRoundRect(bx, by, blockW, blockH, style.cornerRadius, style.cornerRadius);
             }
-
-            // 恢复正常透明度，绘制文本内容
-            g.setComposite(AlphaComposite.getInstance(AlphaComposite.SRC_OVER, 1.0f));
+            g.setComposite(AlphaComposite.getInstance(AlphaComposite.SRC_OVER, 1f));
             g.setColor(style.textColor);
 
-            int textStartY = blockY + style.padding;
+            int ty0 = by + style.padding;
             g.setFont(style.titleFont);
-            int titleY = textStartY + titleHeight;
-            g.drawString(title, style.startX, titleY);
+            g.drawString(title, style.startX, ty0 + th);
 
             g.setFont(style.contentFont);
-            int contentStartY = titleY + 10 + lineHeight;
+            int contentStart = ty0 + th + 10 + lineH;
             for (int j = 0; j < lines.size(); j++) {
-                int y = contentStartY + j * lineHeight;
-                g.drawString(lines.get(j), style.startX, y);
+                g.drawString(lines.get(j), style.startX, contentStart + j * lineH);
             }
 
-            currY = blockY + blockHeight + style.blockSpacing; // 下一个块起始位置
+            currY = by + blockH + style.blockSpacing;
         }
 
-        // 绘制水印文字（右下角）
+        // 底部背景填充
+        int bottomY = style.topLogoHeight + contentHeight;
+        g.setColor(pureBackgroundColor);
+        g.fillRect(0, bottomY, width, bottomBlockHeight);
+
+        // 绘制二维码（右对齐）
+        int totalQW = 2 * qrWidth + qrSpacing;
+        int qr2X = width - style.startX - qrWidth;
+        int qr1X = qr2X - qrSpacing - qrWidth;
+        int qrY = bottomY + minBottomPadding / 2;
+
+        g.drawImage(qr1, qr1X, qrY, null);
+        g.drawImage(qr2, qr2X, qrY, null);
+
+        // 绘制每个二维码下方说明文字
+        g.setFont(style.tishiFont);
+        g.setColor(style.textColor);
+        String txt1 = "学习渔业知识";
+        String txt2 = "掌握渔价信息";
+        int w1 = fm2.stringWidth(txt1), w2 = fm2.stringWidth(txt2);
+        int textY = qrY + qrHeight + qrTextSpacing;
+
+        g.drawString(txt1, qr1X + (qrWidth - w1) / 2, textY);
+        g.drawString(txt2, qr2X + (qrWidth - w2) / 2, textY);
+
         drawTextWatermark(g, width, finalHeight, style);
         g.dispose();
 
-        // 生成保存文件名
-        String saveFile = style.savePath + new SimpleDateFormat("yyyyMMdd_HHmmss").format(new Date()) + "_xinwen.png";
-        ImageIO.write(newImage, "png", new File(saveFile));
-        return saveFile;
+        String savePath = style.savePath + new SimpleDateFormat("yyyyMMdd_HHmmss").format(new Date()) + "_xinwen.png";
+        ImageIO.write(newImg, "png", new File(savePath));
+        return savePath;
     }
 
+
+
+
     /**
      * 将文本按像素宽度进行自动换行
      */
@@ -196,18 +234,48 @@ public class MultiTextImageGenerator {
         return currY;
     }
 
+//    /**
+//     * 绘制右下角文字水印
+//     */
+//    private static void drawTextWatermark(Graphics2D g, int width, int height, StyleConfig style) {
+//        g.setFont(style.watermarkFont);
+//        g.setColor(style.watermarkColor);
+//        FontMetrics metrics = g.getFontMetrics();
+//        int textWidth = metrics.stringWidth(style.watermarkText);
+//        int x = width - textWidth - style.watermarkTextMarginX;
+//        int y = height - style.watermarkTextMarginY;
+//        g.drawString(style.watermarkText, x, y);
+//    }
+
     /**
-     * 绘制右下角文字水印
+     * 在图像上多个随机位置绘制水印文字
      */
     private static void drawTextWatermark(Graphics2D g, int width, int height, StyleConfig style) {
         g.setFont(style.watermarkFont);
-        g.setColor(style.watermarkColor);
         FontMetrics metrics = g.getFontMetrics();
         int textWidth = metrics.stringWidth(style.watermarkText);
-        int x = width - textWidth - style.watermarkTextMarginX;
-        int y = height - style.watermarkTextMarginY;
-        g.drawString(style.watermarkText, x, y);
+        int textHeight = metrics.getHeight();
+
+        int count = style.watermarkCount;  // 水印数量
+        Random random = new Random();      // 在方法内生成随机数对象
+
+        g.setComposite(AlphaComposite.getInstance(AlphaComposite.SRC_OVER, style.watermarkAlpha)); // 半透明
+
+        for (int i = 0; i < count; i++) {
+            int maxX = Math.max(1, width - textWidth - style.watermarkTextMarginX * 2);
+            int maxY = Math.max(1, height - textHeight - style.watermarkTextMarginY * 2);
+
+            int x = random.nextInt(maxX) + style.watermarkTextMarginX;
+            int y = random.nextInt(maxY) + style.watermarkTextMarginY + textHeight;
+
+            g.setColor(style.watermarkColor);
+            g.drawString(style.watermarkText, x, y);
+        }
+
+        g.setComposite(AlphaComposite.getInstance(AlphaComposite.SRC_OVER, 1.0f));
     }
 
+
+
 }
 

@@ -16,12 +16,15 @@ public class StyleConfig {
             titleFont = baseFont.deriveFont(Font.BOLD, 36f);
             contentFont = baseFont.deriveFont(Font.PLAIN, 28f);
             watermarkFont = baseFont.deriveFont(Font.PLAIN, 20f);
+            tishiFont = baseFont.deriveFont(Font.PLAIN, 28f);
 
             GraphicsEnvironment.getLocalGraphicsEnvironment().registerFont(baseFont);
         } catch (Exception e) {
             System.err.println("❌ 加载字体失败，使用默认字体：" + e.getMessage());
             titleFont = new Font("Serif", Font.BOLD, 36);
             contentFont = new Font("Serif", Font.PLAIN, 28);
+            watermarkFont = new Font("Serif", Font.PLAIN, 20);
+            tishiFont = new Font("Serif", Font.PLAIN, 28);
         }
     }
     public String backgroundPath = "moban.png";
@@ -35,6 +38,7 @@ public class StyleConfig {
     public Font contentFont = new Font("微软雅黑", Font.PLAIN, 28);
 // 正文字体，微软雅黑，常规，字号28
 
+    public Font tishiFont = new Font("微软雅黑", Font.PLAIN, 28);
     public Color textColor = Color.WHITE;
 // 文字颜色，默认为白色
 
@@ -67,7 +71,7 @@ public class StyleConfig {
 // 内容段落之间的行间距（单位像素）
 
     // 文字水印配置
-    public String watermarkText = "@鱼儿乐科技";
+    public String watermarkText = "@鱼儿乐";
 // 添加的文字水印内容
 
     public Font watermarkFont = new Font("微软雅黑", Font.PLAIN, 20);
@@ -76,10 +80,10 @@ public class StyleConfig {
     public Color watermarkColor = new Color(255, 255, 255, 180);
 // 水印颜色：白色，透明度约70%（255=不透明，180≈70%透明）
 
-    public int watermarkTextMarginX = 567;
+    public int watermarkTextMarginX = 20;
 // 文字水印的横坐标偏移量，单位像素（从左上角或右下角偏移）
 
-    public int watermarkTextMarginY = 1236;
+    public int watermarkTextMarginY = 20;
 // 文字水印的纵坐标偏移量，单位像素（从左上角或右下角偏移）
 
     // 图片水印配置
@@ -98,7 +102,22 @@ public class StyleConfig {
     public int watermarkImageMarginY = 20;
 // 图片水印的纵向偏移量（从右下角向内缩进的距离）
 
+    //控制 两个二维码之间的横向间距。
+    public int qrSpacing  = 100;
 
+    ///控制 logo_baise.png 和 第一个二维码之间的水平间距。
+    public int logoToQrSpacing  = 40;
 
+    //第一个二维码
+    public String qrCodePath1   = "yujiangtang.png";
+
+    //第二个二维码
+    public String qrCodePath2  = "huimaiyu.png";
+
+    public int qrTextSpacing = 30;      // 二维码下文字间距，建议 10
+    public int minBottomPadding = 30;   // 底部留白，建议 20~40
+
+    public int watermarkCount = 10;             // 水印数量
+    public float watermarkAlpha = 0.3f;        // 透明度（0~1）
 }
 

@@ -228,6 +228,18 @@ public class ServerController extends BaseController
         return AjaxResult.success(publicService.updateObject(fishAquaticPublicOpinion,"id"));
     }
 
+    @ApiOperation("修改简介")
+    @PostMapping("/upBriefIntroduction/{id}")
+    public AjaxResult upBriefIntroduction(@PathVariable Integer id, String briefIntroduction,String shortTitle)
+    {
+
+        FishAquaticPublicOpinion fishAquaticPublicOpinion = new FishAquaticPublicOpinion();
+        fishAquaticPublicOpinion.setId(id);
+        fishAquaticPublicOpinion.setBriefIntroduction(briefIntroduction);
+        fishAquaticPublicOpinion.setShortTitle(shortTitle);
+        return AjaxResult.success(publicService.updateObject(fishAquaticPublicOpinion,"id"));
+    }
+
 
     @ApiOperation("生成水产新闻海报")
     @PostMapping("/generateAquaticPublicOpinionPoster")