添加tess4j 文字识别 2023年3月31日16:53:53

README.md

@@ -92,6 +92,10 @@
 ![](./src/main/resources/static/redame/img_35.png)
 ![](./src/main/resources/static/redame/img_38.png)
 
+#### 3.12 tess4j ocr 文字识别
+
+![](./src/main/resources/static/redame/img_40.png)
+
 ### 4. 编解码工具
 
 > 编解码工具也是对开源组件 Hutool 简单封装展示

src/main/java/com/zhangmeng/tools/controller/HomeController.java

@@ -488,4 +488,8 @@ public class HomeController implements Serializable {
     public void maven_jar_install_menu_item(ActionEvent event) {
         load_small_tools(10);
     }
+
+    public void word_ocr_menu_item(ActionEvent event) {
+        load_small_tools(11);
+    }
 }

src/main/java/com/zhangmeng/tools/controller/SmallToolsController.java

@@ -78,6 +78,7 @@ public class SmallToolsController {
     private AnchorPane telephone;
     private AnchorPane json_view;
     private AnchorPane maven_install_jar;
+    private AnchorPane word_ocr;
 
     @FXML
     private ListView<ResourcesUtils.SmallTools> listView;
@@ -369,10 +370,18 @@ public class SmallToolsController {
                     }
                     maven_install_jar(flag);
                 }
+
+                if (newValue.getIndex() == 11) {
+                    if (word_ocr != null) {
+                        flag = true;
+                    }
+                    word_ocr(flag);
+                }
             }
         });
     }
 
+
     public static Image getImage(ResourcesUtils.SmallTools SmallTools) {
         return switch (SmallTools) {
             case Hex_16 -> new Image(ImagePath.path(ImagePath.ImagePathType.Hex_16));
@@ -386,6 +395,7 @@ public class SmallToolsController {
             case TelePhone -> new Image(ImagePath.path(ImagePath.ImagePathType.Qr_CODE));
             case JSONView -> new Image(ImagePath.path(ImagePath.ImagePathType.Qr_CODE));
             case Maven_Install_Jar -> new Image(ImagePath.path(ImagePath.ImagePathType.Qr_CODE));
+            case Word_ocr ->  new Image(ImagePath.path(ImagePath.ImagePathType.Qr_CODE));
         };
     }
 
@@ -622,6 +632,24 @@ public class SmallToolsController {
         common_method();
     }
 
+    public void word_ocr(boolean flag) {
+        //默认选择第一个
+        listView.getSelectionModel().select(11);
+
+        if (!flag) {
+            try {
+                root = FXMLLoader.load(ResourcesUtils.getResource("word-ocr"));
+            } catch (IOException e) {
+                e.printStackTrace();
+            }
+            word_ocr = root;
+        } else {
+            root = word_ocr;
+        }
+        common_method();
+    }
+
+
     private void common_method() {
         splitPane.getItems().remove(1);
         splitPane.getItems().add(1, root);
@@ -771,4 +799,6 @@ public class SmallToolsController {
         }
         maven_install_jar(flag);
     }
+
+
 }

src/main/java/com/zhangmeng/tools/controller/WordOcrController.java

@@ -0,0 +1,114 @@
+package com.zhangmeng.tools.controller;
+
+import com.zhangmeng.tools.utils.AlertUtils;
+import com.zhangmeng.tools.utils.ImagePath;
+import javafx.application.Platform;
+import javafx.beans.property.SimpleObjectProperty;
+import javafx.fxml.FXML;
+import javafx.scene.control.Alert;
+import javafx.scene.control.Button;
+import javafx.scene.control.TextArea;
+import javafx.scene.control.TextField;
+import javafx.scene.image.Image;
+import javafx.scene.image.ImageView;
+import javafx.stage.FileChooser;
+import javafx.stage.Stage;
+import lombok.extern.slf4j.Slf4j;
+import net.sourceforge.tess4j.ITesseract;
+import net.sourceforge.tess4j.Tesseract;
+import net.sourceforge.tess4j.Tesseract1;
+import net.sourceforge.tess4j.TesseractException;
+
+import java.io.File;
+
+
+/**
+ * @author : 芊芊墨客
+ * @version : 1.0
+ * @date : 2023-03-31 14:11
+ */
+@Slf4j
+public class WordOcrController {
+
+    public static String tessdata = System.getProperty("user.dir");
+
+    @FXML
+    public Button file_choose_button;
+
+    @FXML
+    public TextArea res_view;
+
+    public static final String language = "eng+chi_sim+chr+num";
+
+    @FXML
+    public Button cover;
+
+    @FXML
+    public TextField file_path;
+
+    @FXML
+    private ImageView image_view;
+
+    public static final SimpleObjectProperty<File> choose_file = new SimpleObjectProperty<>();
+
+    @FXML
+    public void initialize() {
+
+        file_choose_button.setText(null);
+        ImageView iv = new ImageView(new Image(ImagePath.path(ImagePath.ImagePathType.IMAGE_FILE)));
+        iv.setPreserveRatio(true);
+        iv.setFitWidth(18);
+        file_choose_button.setGraphic(iv);
+
+        file_choose_button.setOnAction(event -> {
+            choose_file();
+        });
+
+        cover.setOnAction(event -> {
+            if (choose_file.getValue() == null) {
+                AlertUtils.alert_warning("请选择将要识别的文字再试!");
+                return;
+            }
+
+            File file = choose_file.getValue();
+            Stage alert = AlertUtils.alert_loading(cover.getScene().getWindow());
+            new Thread(() -> {
+                Platform.runLater(() -> {
+                    init_tess4j(file);
+                    alert.close();
+                });
+            }).start();
+        });
+    }
+
+    public void choose_file() {
+        Stage stage = new Stage();
+        FileChooser dc = new FileChooser();
+        dc.setTitle("文件选择");
+        dc.getExtensionFilters().addAll(new FileChooser.ExtensionFilter("图片类型", "*.jpg", "*.png"));
+        File file = dc.showOpenDialog(stage);
+        if (file != null) {
+            String path = file.getAbsolutePath();
+            file_path.setText(path);
+            log.info("base64---file:{}", path);
+            choose_file.set(file);
+            image_view.setImage(new Image(choose_file.get().getPath()));
+        }
+    }
+
+    public void init_tess4j(File file) {
+        String path = tessdata + "/src/main/resources/tessdata";
+        log.info(path);
+        ITesseract instance = new Tesseract();
+        instance.setDatapath(path);
+        instance.setLanguage(language);
+        try {
+            String res = instance.doOCR(file);
+            log.info("file:{}", file.getPath());
+            res_view.setText(res);
+        } catch (TesseractException e) {
+            AlertUtils.alert_warning(e.getMessage());
+        }
+    }
+
+}

src/main/java/com/zhangmeng/tools/utils/AlertUtils.java

@@ -25,12 +25,22 @@
 
 package com.zhangmeng.tools.utils;
 
+import com.zhangmeng.tools.controller.MusicController;
+import javafx.fxml.FXMLLoader;
 import javafx.scene.Parent;
 import javafx.scene.Scene;
 import javafx.scene.control.Alert;
+import javafx.scene.control.Label;
+import javafx.scene.image.Image;
+import javafx.scene.image.ImageView;
+import javafx.scene.layout.AnchorPane;
+import javafx.scene.layout.HBox;
 import javafx.stage.Modality;
 import javafx.stage.Stage;
 import javafx.stage.StageStyle;
+import javafx.stage.Window;
+
+import java.io.IOException;
 
 /**
  * @author : 芊芊墨客
@@ -39,6 +49,29 @@ import javafx.stage.StageStyle;
  */
 public class AlertUtils {
 
+    /**
+     * 警告弹窗
+     */
+    public static Stage alert_loading(Window window) {
+        AnchorPane root = null;
+        try {
+            root = FXMLLoader.load(ResourcesUtils.getResource("loading"));
+        } catch (IOException e) {
+            e.printStackTrace();
+        }
+        Scene scene = new Scene(root);
+        Stage stage = new Stage();
+        stage.setScene(scene);
+        stage.setTitle("加载中");
+        stage.setWidth(400);
+        stage.setHeight(150);
+        stage.initStyle(StageStyle.UTILITY);
+        stage.initOwner(window);
+        stage.initModality(Modality.APPLICATION_MODAL);
+        stage.show();
+        return stage;
+    }
+
     /**
      * 警告弹窗
      */

src/main/java/com/zhangmeng/tools/utils/ImagePath.java

@@ -272,6 +272,10 @@ public class ImagePath {
     public static String Tools_ICON = "svg/tools-hardware.png";
     public static String Qr_CODE = "svg/qr-code.png";
 
+    public static String path(String file_path){
+        return  "static/" + file_path;
+    }
+
     public static String path(ImagePathType type) {
 
         String path = null;

src/main/java/com/zhangmeng/tools/utils/ResourcesUtils.java

@@ -121,6 +121,7 @@ public class ResourcesUtils {
         TelePhone("手机号工具",8),
         JSONView("json工具",9),
         Maven_Install_Jar("maven安装jar",10),
+        Word_ocr("文字识别ocr",11),
         ;
 
         SmallTools(String title, int index) {

src/main/resources/fxml/home.fxml

@@ -41,6 +41,7 @@
                         <MenuItem mnemonicParsing="false" text="手机号工具" onAction="#telephone_menu_item"/>
                         <MenuItem mnemonicParsing="false" text="JsonView" onAction="#JsonView_menu_item"/>
                         <MenuItem mnemonicParsing="false" text="maven-jar-install" onAction="#maven_jar_install_menu_item"/>
+                        <MenuItem mnemonicParsing="false" text="word-ocr" onAction="#word_ocr_menu_item"/>
                     </items>
                 </Menu>
 

src/main/resources/fxml/word-ocr.fxml

@@ -0,0 +1,24 @@
+<?xml version="1.0" encoding="UTF-8"?>
+
+<?import javafx.scene.control.Button?>
+<?import javafx.scene.control.Label?>
+<?import javafx.scene.control.TextArea?>
+<?import javafx.scene.control.TextField?>
+<?import javafx.scene.image.ImageView?>
+<?import javafx.scene.layout.AnchorPane?>
+
+<AnchorPane prefHeight="649.0" prefWidth="1200.0" xmlns="http://javafx.com/javafx/19" xmlns:fx="http://javafx.com/fxml/1" fx:controller="com.zhangmeng.tools.controller.WordOcrController">
+   <children>
+      <AnchorPane layoutX="201.0" layoutY="117.0" style="-fx-border-color: #cbcacb; -fx-border-width: 1;" AnchorPane.bottomAnchor="202.0" AnchorPane.leftAnchor="201.0" AnchorPane.topAnchor="117.0">
+         <children>
+            <ImageView fx:id="image_view" fitHeight="330.0" fitWidth="508.0" pickOnBounds="true" preserveRatio="true" AnchorPane.bottomAnchor="0.0" AnchorPane.leftAnchor="0.0" AnchorPane.rightAnchor="0.0" AnchorPane.topAnchor="0.0" />
+         </children>
+      </AnchorPane>
+      <TextArea fx:id="res_view" layoutX="727.0" layoutY="69.0" prefHeight="534.0" prefWidth="430.0" AnchorPane.bottomAnchor="46.0" AnchorPane.rightAnchor="43.0" AnchorPane.topAnchor="69.0" />
+      <Button fx:id="file_choose_button" layoutX="202.0" layoutY="67.0" mnemonicParsing="false" text="Button" />
+      <Label layoutX="58.0" layoutY="71.0" text="请选择将要识别的图片:" />
+      <TextField  fx:id="file_path" layoutX="280.0" layoutY="67.0" prefHeight="25.0" prefWidth="430.0" />
+      <Label layoutX="129.0" layoutY="116.0" text="图片预览:" />
+      <Button fx:id="cover" layoutX="390.0" layoutY="492.0" mnemonicParsing="false" text="Button" AnchorPane.bottomAnchor="134.0" />
+   </children>
+</AnchorPane>