修改条形码生成功能

src/main/java/com/dreamchaser/depository_manage/controller/DepositoryController.java

@@ -1595,7 +1595,7 @@ public class DepositoryController {
         }
         try {
             // 二维码保存信息
-            return RestResponse.CreateBarCode(qrCode);
+            return RestResponse.CreateBarCode(qrCode,depository.getDname());
         } catch (IOException e) {
             return new RestResponse("err: " + e.getMessage(), 678, new StatusInfo("失败", "请联系开发人员"));
         }

src/main/java/com/dreamchaser/depository_manage/pojo/RestResponse.java

@@ -85,16 +85,17 @@ public class RestResponse implements Serializable {
 
     /**
      * 生成条形码
-     * @param context 随机数
+     * @param code 要打印的编码
+     * @param name 要打印的名称
      * @return
      * @throws IOException
      */
-    public static RestResponse CreateBarCode(String context) throws IOException {
+    public static RestResponse CreateBarCode(String code,String name) throws IOException {
         // 生成base64类型图片
-        String qrCode = CreateQrCodeUtil.CreateBarCode128(context, 52, 200);
+        String qrCode = CreateQrCodeUtil.CreateBarCode128(code,name, 60, 200);
         Map<String,String> result = new HashMap<>();
         result.put("qrCode",qrCode);
-        result.put("codeValue",context);
+        result.put("codeValue",code);
         return new RestResponse(result,200,new StatusInfo("成功！","条形码生成成功"));
     }
 

src/main/java/com/dreamchaser/depository_manage/utils/CreateQrCodeUtil.java

@@ -80,15 +80,16 @@ public class CreateQrCodeUtil {
 
     /**
      * 用于创建code_128类型的条形码
-     * @param content 条形码存储的数据
+     * @param code 条形码的数据
+     * @param name 条形码上方的名称
      * @param height 高度
      * @param width 宽度
      * @return base64格式的字符串
      */
-    public static String CreateBarCode128(String content, int height, int width){
+    public static String CreateBarCode128(String code,String name, int height, int width){
         String resultImage = "";
-        if (!StringUtils.isEmpty(content)) {
+        if (!StringUtils.isEmpty(code)) {
-            BufferedImage image = insertWords(getBarCode(content,width,height), content,width,height,80);
+            BufferedImage image = insertWords(getBarCode(code,width,height), code,name,width,height,120);
             ByteArrayOutputStream os = new ByteArrayOutputStream();
             try {
                 ImageIO.write(image, "png", os);
@@ -149,34 +150,40 @@ public class CreateQrCodeUtil {
      * 把带logo的二维码下面加上文字
      *
      * @param image 条形码图片
-     * @param words 文字
+     * @param code 文字
      * @return 返回BufferedImage
      * @author fxbin
      */
-    public static BufferedImage insertWords(BufferedImage image, String words, int WIDTH, int HEIGHT, int WORD_HEIGHT) {
+    public static BufferedImage insertWords(BufferedImage image, String code,String name, int WIDTH, int HEIGHT, int WORD_HEIGHT) {
         // 新的图片，把带logo的二维码下面加上文字
-        if (org.apache.commons.lang.StringUtils.isNotEmpty(words)) {
+        if (org.apache.commons.lang.StringUtils.isNotEmpty(code)) {
             BufferedImage outImage = new BufferedImage(WIDTH, WORD_HEIGHT, BufferedImage.TYPE_INT_RGB);
             Graphics2D g2d = outImage.createGraphics();
             // 抗锯齿
             setGraphics2D(g2d);
             // 设置白色
             setColorWhite(g2d);
-            // 画条形码到新的面板
+            // 画条形码到新的面板(并居中)
-            g2d.drawImage(image, 0, 0, image.getWidth(), image.getHeight(), null);
+            g2d.drawImage(image, 0, WORD_HEIGHT / 2 -image.getHeight() / 2, image.getWidth(), image.getHeight(), null);
             // 画文字到新的面板
             Color color = new Color(0, 0, 0);
             g2d.setColor(color);
             // 字体、字型、字号
             g2d.setFont(new Font("微软雅黑", Font.PLAIN, 16));
             //文字长度
-            int strWidth = g2d.getFontMetrics().stringWidth(words);
+            int strWidth = g2d.getFontMetrics().stringWidth(code);
             //总长度减去文字长度的一半  （居中显示）
             int wordStartX = (WIDTH - strWidth) / 2;
             //height + (outImage.getHeight() - height) / 2 + 12
-            int wordStartY = HEIGHT + 20;
+            int wordStartY = WORD_HEIGHT / 2 + image.getHeight() /2 + 16;
+            // 画文字
+            g2d.drawString(code, wordStartX, wordStartY);
+
+            strWidth = g2d.getFontMetrics().stringWidth(name);
+            wordStartX = (WIDTH - strWidth) / 2;
+            wordStartY = g2d.getFont().getSize();
             // 画文字
-            g2d.drawString(words, wordStartX, wordStartY);
+            g2d.drawString(name, wordStartX, wordStartY);
             g2d.dispose();
             outImage.flush();
             return outImage;
@@ -207,7 +214,7 @@ public class CreateQrCodeUtil {
     public static void setColorWhite(Graphics2D g2d) {
         g2d.setColor(Color.WHITE);
         //填充整个屏幕
-        g2d.fillRect(0, 0, 302, 113);
+        g2d.fillRect(0, 0, 302, 120);
         //设置笔刷
         g2d.setColor(Color.BLACK);
     }

src/test/java/com/dreamchaser/depository_manage/TestOther.java

@@ -37,7 +37,7 @@ public class TestOther {
     /**
      * 加文字 条形码
      */
-    public static final int WORD_HEIGHT = 80;
+    public static final int WORD_HEIGHT = 120;
 
     /**
      * 设置 条形码参数
@@ -97,7 +97,7 @@ public class TestOther {
             // 设置白色
             setColorWhite(g2d);
             // 画条形码到新的面板
-            g2d.drawImage(image, 0, 0, image.getWidth(), image.getHeight(), null);
+            g2d.drawImage(image, 0, WORD_HEIGHT / 2 -image.getHeight() / 2, image.getWidth(), image.getHeight(), null);
             // 画文字到新的面板
             Color color = new Color(0, 0, 0);
             g2d.setColor(color);
@@ -108,9 +108,10 @@ public class TestOther {
             //总长度减去文字长度的一半  （居中显示）
             int wordStartX = (WIDTH - strWidth) / 2;
             //height + (outImage.getHeight() - height) / 2 + 12
-            int wordStartY = HEIGHT + 20;
+            int wordStartY = WORD_HEIGHT / 2 + image.getHeight() /2 + 16;
             // 画文字
             g2d.drawString(words, wordStartX, wordStartY);
+            g2d.drawString(words, wordStartX, 16);
             g2d.dispose();
             outImage.flush();
             return outImage;