done tests and fix some fucking bug!

src/com/msksbr/MainFrm/MenuBar.java

@@ -39,7 +39,7 @@ public class MenuBar extends JMenuBar {
         bookSearch.addActionListener(new ActionListener() {
             @Override
             public void actionPerformed(ActionEvent e) {
-                new SearchDIalog("books");
+                new SearchDIalog("books").setVisible(true);
             }
         });
         // 创建查询学生信息菜单项
@@ -47,7 +47,7 @@ public class MenuBar extends JMenuBar {
         // 为查询学生信息菜单项添加事件监听器，当点击时弹出学生信息查询对话框
         studentSearch.addActionListener(new ActionListener() {
             public void actionPerformed(ActionEvent e) {
-                new SearchDIalog("students");
+                new SearchDIalog("students").setVisible(true);
             }
         });
         // 创建查询借阅信息菜单项
@@ -55,7 +55,7 @@ public class MenuBar extends JMenuBar {
         // 为查询借阅信息菜单项添加事件监听器，当点击时弹出借阅信息查询对话框
         rentSearch.addActionListener(new ActionListener() {
             public void actionPerformed(ActionEvent e) {
-                new SearchDIalog("rents");
+                new SearchDIalog("rents").setVisible(true);
             }
         });
         // 将查询图书信息菜单项添加到查询菜单
@@ -72,7 +72,7 @@ public class MenuBar extends JMenuBar {
         // 为添加图书信息菜单项添加事件监听器，当点击时弹出图书信息添加对话框
         bookAdd.addActionListener(new ActionListener() {
             public void actionPerformed(ActionEvent e) {
-                new BookAdder();
+                new BookAdder().setVisible(true);
             }
         });
         // 创建添加学生信息菜单项

src/com/msksbr/MainFrm/MenuItemDiaog/Adder/BookAdder.java

@@ -83,8 +83,6 @@ public class BookAdder extends JDialog {
         pack();
         // 设置对话框位置
         setLocation();
-        // 设置对话框可见
-        setVisible(true);
     }
 
     /**

src/com/msksbr/MainFrm/MenuItemDiaog/AuthorDIalog.form

@@ -57,7 +57,7 @@
                     <constraints/>
                     <properties>
                       <font name="PingFang SC" size="14"/>
-                      <text value="https://gitee.com/msksbr"/>
+                      <text value="https://msksbr.com/msksbr"/>
                     </properties>
                   </component>
                 </children>

src/com/msksbr/MainFrm/MenuItemDiaog/MITDialog.form

@@ -15,7 +15,7 @@
           <component id="a6e23" class="javax.swing.JLabel">
             <constraints/>
             <properties>
-              <text value="本项目已在gitee.com开源"/>
+              <text value="本项目已在git.msksbr.com开源"/>
             </properties>
           </component>
         </children>

src/com/msksbr/MainFrm/MenuItemDiaog/SearchDIalog.java

@@ -59,8 +59,6 @@ public class SearchDIalog extends JDialog {
         pack();
         // 设置对话框位置
         setLocation();
-        // 设置对话框可见
-        setVisible(true);
     }
 
     /**

src/com/msksbr/MainFrm/MenuItemDiaog/aboutDIalog.form

@@ -3,7 +3,7 @@
   <grid id="cbd77" binding="contentPane" layout-manager="GridLayoutManager" row-count="2" column-count="1" same-size-horizontally="false" same-size-vertically="false" hgap="-1" vgap="-1">
     <margin top="10" left="10" bottom="10" right="10"/>
     <constraints>
-      <xy x="48" y="54" width="573" height="297"/>
+      <xy x="48" y="54" width="601" height="297"/>
     </constraints>
     <properties/>
     <border type="none"/>
@@ -54,7 +54,7 @@
                     <constraints/>
                     <properties>
                       <font name="PingFang SC" size="14"/>
-                      <text value="https://gitee.com/msksbr/system-homework-in-the-library"/>
+                      <text value="https://git.msksbr.com/msksbr/system-homework-in-the-library"/>
                     </properties>
                   </component>
                 </children>
@@ -70,7 +70,7 @@
                       <grid row="0" column="0" row-span="1" col-span="1" vsize-policy="0" hsize-policy="0" anchor="8" fill="0" indent="0" use-parent-layout="false"/>
                     </constraints>
                     <properties>
-                      <text value="本软件完全免费，如果您从任何渠道购买到此软件及其源码，请联系作者：3141661556@qq.com"/>
+                      <text value="本软件完全免费，如果您从任何渠道购买到此软件及其源码，请联系作者：gugugulaocuchen@gmail.com"/>
                     </properties>
                   </component>
                 </children>

src/com/msksbr/SQL/Connector.java

@@ -11,7 +11,7 @@ public class Connector {
     // SQL语句执行对象
     private Statement stmt;
     // 数据库连接URL
-    private String url = "jdbc:mysql://192.168.154.139:3306/book";
+    private String url = "jdbc:mysql://localhost:3306/book";
     // 数据库用户名
     private String user = "root";
 
@@ -19,7 +19,7 @@ public class Connector {
      * 构造方法，初始化数据库连接。
      *
      * @throws ClassNotFoundException 如果找不到MySQL驱动类。
-     * @throws SQLException 如果数据库连接失败。
+     * @throws SQLException           如果数据库连接失败。
      */
     public Connector() throws ClassNotFoundException, SQLException {
         // 加载MySQL驱动类

src/test/TestDao.kt

@@ -0,0 +1,58 @@
+package test
+
+import com.msksbr.SQL.Connector
+import org.junit.jupiter.api.AfterEach
+import org.junit.jupiter.api.Assertions
+import org.junit.jupiter.api.Assertions.assertEquals
+import org.junit.jupiter.api.Assertions.assertNotNull
+import org.junit.jupiter.api.Assertions.assertTrue
+import org.junit.jupiter.api.BeforeEach
+import org.junit.jupiter.api.Test
+
+class TestDao {
+    private var connector: Connector? = null
+
+    @BeforeEach
+    fun setUp() {
+            connector = Connector()
+            connector?.executeUpdate(
+                "CREATE TABLE test_table(\n" +
+                        "\ttest_string CHAR(35),\n" +
+                        "\ttest_int INT\n" +
+                        ");"
+            )
+            connector?.executeUpdate(
+                "INSERT INTO test_table\n" +
+                        "VALUES (\n" +
+                        "        '1',1\n" +
+                        "       );"
+            )
+    }
+
+    @AfterEach
+    fun tearDown() {
+            connector?.executeUpdate("DROP TABLE test_table")
+    }
+
+    @Test
+    fun testQuery() {
+        val rs = connector!!.executeQuery("SELECT * FROM test_table")
+        assertNotNull(rs,"result was null")
+        assertTrue(rs.next(),"No results found")
+        assertEquals(rs.getString("test_string"), "1","test_string is not \"1\"")
+        assertEquals(rs.getInt("test_int"), 1,"test_int is not 1")
+    }
+    @Test
+    fun testUpdate(){
+        val rs = connector!!.executeUpdate("INSERT INTO test_table\n" +
+                "VALUES (\n" +
+                "        '2',2\n" +
+                "       );")
+        val rs_q=connector!!.executeQuery("SELECT * FROM test_table WHERE test_string = '2';")
+        assertNotNull(rs,"result was null")
+        assertNotNull(rs_q,"result_q was null")
+        assertTrue(rs_q.next(),"no results found")
+        assertEquals(rs_q.getString("test_string"), "2","test_string is not \"2\"")
+        assertEquals(rs_q.getInt("test_int"), 2,"test_int is not 1")
+    }
+}

src/test/TestService.kt

@@ -0,0 +1,36 @@
+package test
+
+import com.msksbr.MainFrm.MenuItemDiaog.Adder.BookAdder
+import com.msksbr.MainFrm.MenuItemDiaog.SearchDIalog
+import com.msksbr.SQL.Connector
+import org.junit.jupiter.api.AfterEach
+import org.junit.jupiter.api.Assertions.assertEquals
+import org.junit.jupiter.api.BeforeEach
+import org.junit.jupiter.api.Test
+import org.junit.jupiter.api.assertNotNull
+
+class TestService {
+    var connector: Connector? = null
+
+    @BeforeEach
+    fun init() {
+        connector = Connector()
+    }
+
+    @AfterEach
+    fun tearDown() {
+    }
+
+    @Test
+    fun testGetBookMaxID() {
+        val bookAdder = BookAdder()
+        val max_id_from_ui = bookAdder.getBookMaxID()
+        bookAdder.dispose()
+        val rs = connector?.executeQuery("SELECT MAX(book_id) FROM books;")
+        rs?.next()
+        val max_id_from_sql = rs?.getInt(1)
+
+        assertNotNull(max_id_from_ui, "Get null value from function")
+        assertEquals(max_id_from_ui, max_id_from_sql, "Not equals to the query from sql")
+    }
+}

src/test/testUI.kt

@@ -0,0 +1,37 @@
+package test
+
+import com.msksbr.MainFrm.MenuItemDiaog.Adder.BookAdder
+import com.msksbr.SQL.Connector
+import org.junit.jupiter.api.AfterEach
+import org.junit.jupiter.api.Assertions.assertEquals
+import org.junit.jupiter.api.BeforeEach
+import org.junit.jupiter.api.Test
+import org.junit.jupiter.api.assertNotNull
+
+class testUI {
+    var connector: Connector? = null;
+
+    @BeforeEach
+    fun init() {
+        connector = Connector();
+    }
+
+    @AfterEach
+    fun tearDown() {
+    }
+
+    @Test
+    fun testUIBeCenter() {
+        val bookAdder = BookAdder();
+        val location = bookAdder.location
+        val size = bookAdder.size
+        val screenSize = java.awt.Toolkit.getDefaultToolkit().screenSize
+
+        val expectedX = (screenSize.width - size.width) / 2
+        val expectedY = (screenSize.height - size.height) / 2
+
+        assertNotNull(location,"location is null")
+        assertEquals(expectedX, location.x, "x-coordinate is not be center")
+        assertEquals(expectedY, location.y, "y-coordinate is not be center")
+    }
+}