第二次数据库作业--gui

  1 package gui;
  2 
  3 import action.C2SAction;
  4 import action.CourseAction;
  5 import action.StudentAction;
  6 import javafx.application.Application;
  7 import javafx.geometry.Insets;
  8 import javafx.scene.Scene;
  9 import javafx.scene.control.*;
 10 import javafx.scene.layout.GridPane;
 11 import javafx.scene.layout.HBox;
 12 import javafx.stage.Stage;
 13 import model.C2S;
 14 import model.Course;
 15 import model.Student;
 16 
 17 import java.sql.SQLException;
 18 import java.util.List;
 19 
 20 /**
 21  * Created by yinus
 22  * Date:2016/4/16
 23  * Time:13:45
 24  */
 25 public class view extends Application {
 26     @Override
 27     public void start(Stage primaryStage) throws Exception {
 28         HBox box = new HBox();
 29         box.setSpacing(10);
 30         TextArea textArea = new TextArea("second database project\n");
 31         textArea.appendText("------version 1.0------\n");
 32         textArea.appendText("------author ycy------\n");
 33         textArea.setPrefColumnCount(50);
 34         textArea.setPrefRowCount(20);
 35         textArea.setWrapText(true);
 36         textArea.setEditable(false);
 37         ScrollPane scrollPane = new ScrollPane(textArea);
 38         GridPane gridPane = new GridPane();
 39         gridPane.setPadding(new Insets(5,5,5,5));
 40         gridPane.setHgap(10);
 41         gridPane.setVgap(10);
 42         gridPane.add(new Label("student name"),0,0);
 43         TextField sn = new TextField();
 44         sn.setMaxWidth(100);
 45         gridPane.add(sn,1,0);
 46         gridPane.add(new Label("student id"),0,1);
 47         TextField si = new TextField();
 48         si.setMaxWidth(100);
 49         gridPane.add(si,1,1);
 50         gridPane.add(new Label("course title"),0,2);
 51         TextField ct = new TextField();
 52         ct.setMaxWidth(100);
 53         gridPane.add(ct,1,2);
 54         gridPane.add(new Label("course id"),0,3);
 55         TextField ci = new TextField();
 56         ci.setMaxWidth(100);
 57         gridPane.add(ci,1,3);
 58         gridPane.add(new Label("credit"),0,4);
 59         TextField cd = new TextField();
 60         cd.setMaxWidth(100);
 61         gridPane.add(cd,1,4);
 62         RadioButton rs = new RadioButton("student");
 63         RadioButton rc = new RadioButton("course");
 64         RadioButton rcs = new RadioButton("cs");
 65         gridPane.add(rcs,0,5);
 66         gridPane.add(rc,1,5);
 67         gridPane.add(rs,2,5);
 68         ToggleGroup group = new ToggleGroup();
 69         rs.setToggleGroup(group);
 70         rc.setToggleGroup(group);
 71         rcs.setToggleGroup(group);
 72         Button add = new Button("add");
 73         Button delete = new Button("delete");
 74         Button update = new Button("update");
 75         Button query = new Button("query");
 76         Button clear = new Button("clear");
 77         gridPane.add(add,0,6);
 78         gridPane.add(delete,1,6);
 79         gridPane.add(update,0,7);
 80         gridPane.add(query,1,7);
 81         gridPane.add(clear,0,8);
 82         box.getChildren().addAll(scrollPane,gridPane);
 83         Scene scene = new Scene(box);
 84         primaryStage.setScene(scene);
 85         primaryStage.setTitle("dbproj1.0");
 86         primaryStage.show();
 87         rcs.setSelected(true);
 88         clear.setOnAction(e->{
 89             sn.clear();
 90             si.clear();
 91             ci.clear();
 92             cd.clear();
 93             ct.clear();
 94         });
 95         add.setOnAction(e->{
 96             if (rc.isSelected()){
 97                 String courseTitle = ct.getText();
 98                 int courseId = Integer.parseInt(ci.getText());
 99                 CourseAction courseAction = new CourseAction();
100                 try {
101                     courseAction.add(new Course(courseId,courseTitle));
102                     textArea.appendText("title:"+courseTitle+" id:"+courseId+ " added successfully\n" );
103 
104                 } catch (SQLException e1) {
105                     e1.printStackTrace();
106                 }
107             }
108             else if (rs.isSelected()){
109                 String studentName = sn.getText();
110                 int stuId = Integer.parseInt(si.getText());
111                 StudentAction studentAction = new StudentAction();
112                 try {
113                     studentAction.add(new Student(stuId,studentName));
114                     textArea.appendText("name:"+studentName+" id:"+stuId+ " added successfully\n" );
115 
116                 } catch (SQLException e1) {
117                     e1.printStackTrace();
118                 }
119             }
120             else if (rcs.isSelected()){
121                 int stuid = Integer.parseInt(si.getText());
122                 int couid = Integer.parseInt(ci.getText());
123                 double cr = Double.parseDouble(cd.getText());
124                 C2SAction c2SAction = new C2SAction();
125                 try {
126                     c2SAction.add(new C2S(stuid,couid,cr));
127                     textArea.appendText("student id:"+stuid+" course id:"+couid+" credit"+ cr + " added successfully\n" );
128 
129                 } catch (SQLException e1) {
130                     e1.printStackTrace();
131                 }
132             }
133         });
134 
135         delete.setOnAction(e->{
136             if (rc.isSelected()){
137                 int i = Integer.parseInt(ci.getText());
138                 CourseAction courseAction = new CourseAction();
139                 try {
140                     courseAction.delete(i);
141                     textArea.appendText("delete successfully\n");
142                 } catch (SQLException e1) {
143                     e1.printStackTrace();
144                 }
145             }
146             else if (rs.isSelected()){
147                 int i = Integer.parseInt(si.getText());
148                 StudentAction studentAction = new StudentAction();
149                 try {
150                     studentAction.delete(i);
151                     textArea.appendText("delete successfully\n");
152                 } catch (SQLException e1) {
153                     e1.printStackTrace();
154                 }
155             }
156             else if (rcs.isSelected()){
157                 int c = Integer.parseInt(ci.getText());
158                 int s = Integer.parseInt(si.getText());
159                 C2SAction cs = new C2SAction();
160                 try {
161                     cs.delete(s,c);
162                     textArea.appendText("delete successfully\n");
163                 } catch (SQLException e1) {
164                     e1.printStackTrace();
165                 }
166             }
167         });
168 
169         update.setOnAction(e->{
170             if (rc.isSelected()){
171                 String courseTitle = ct.getText();
172                 int courseId = Integer.parseInt(ci.getText());
173                 CourseAction courseAction = new CourseAction();
174                 try {
175                     Course course = courseAction.queryById(courseId);
176                     course.setTitle(courseTitle);
177                     courseAction.update(course);
178                     textArea.appendText("title:"+courseTitle+" id:"+courseId+ " updated successfully\n" );
179                 } catch (SQLException e1) {
180                     e1.printStackTrace();
181                 }
182             }
183             else if (rs.isSelected()){
184                 String studentName = sn.getText();
185                 int stuId = Integer.parseInt(si.getText());
186                 StudentAction studentAction = new StudentAction();
187                 try {
188                     Student student = studentAction.queryById(stuId);
189                     student.setName(studentName);
190                     studentAction.update(student);
191                     textArea.appendText("name:"+studentName+" id:"+stuId+ " updated successfully\n" );
192                 } catch (SQLException e1) {
193                     e1.printStackTrace();
194                 }
195 
196             }
197             else if (rcs.isSelected()){
198                 int stuid = Integer.parseInt(si.getText());
199                 int couid = Integer.parseInt(ci.getText());
200                 double cr = Double.parseDouble(cd.getText());
201                 C2SAction c2SAction = new C2SAction();
202                 try {
203                     C2S s = c2SAction.query(stuid, couid);
204                     s.setCredit(cr);
205                     c2SAction.update(s);
206                     textArea.appendText("student id:"+stuid+" course id:"+couid+" credit"+ cr + " updated successfully\n" );
207                 } catch (SQLException e1) {
208                     e1.printStackTrace();
209                 }
210             }
211         });
212 
213         query.setOnAction(e->{
214             CourseAction courseAction = new CourseAction();
215             if (rc.isSelected()){
216                 if (!ci.getText().equals("")) {
217                     try {
218                         int id = Integer.parseInt(ci.getText());
219                         Course course = courseAction.queryById(id);
220                         if (course == null)
221                             textArea.appendText("null\n");
222                         else
223                             textArea.appendText(course.toString());
224                     } catch (SQLException e1) {
225                         e1.printStackTrace();
226                     } catch (NumberFormatException ee) {
227                         ee.printStackTrace();
228                     }
229                 }
230                 else if (!ct.getText().equals("")){
231                     String courseTitle = ct.getText().trim();
232                     try {
233                         List<Course> courses = courseAction.queryByName(courseTitle);
234                         courses.forEach(course -> textArea.appendText(course.toString()));
235                     } catch (SQLException e1) {
236                         e1.printStackTrace();
237                     }
238                 }
239             }
240             else if (rs.isSelected()){
241                 StudentAction studentAction = new StudentAction();
242                 if (!si.getText().equals("")){
243                     int i = Integer.parseInt(si.getText());
244                     try {
245                         Student student = studentAction.queryById(i);
246                         textArea.appendText(student.toString());
247                     } catch (SQLException e1) {
248                         e1.printStackTrace();
249                     }
250                 }
251                 else if (!sn.getText().equals("")){
252                     try {
253                         List<Student> students = studentAction.queryByName(sn.getText());
254                         students.forEach(student -> textArea.appendText(student.toString()));
255                     } catch (SQLException e1) {
256                         e1.printStackTrace();
257                     }
258                 }
259             }
260             else if (rcs.isSelected()){
261                 int stuid = Integer.parseInt(si.getText());
262                 int couid = Integer.parseInt(ci.getText());
263                 C2SAction cs = new C2SAction();
264                 try {
265                     C2S c2S = cs.query(stuid, couid);
266                     textArea.appendText(c2S.toString());
267                 } catch (SQLException e1) {
268                     e1.printStackTrace();
269                 }
270             }
271         });
272     }
273     public static void main(String[] args) {
274             Application.launch(args);
275     }
276 }