做完添加借阅信息功能
This commit is contained in:
-9
@@ -1,9 +0,0 @@
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<component name="libraryTable">
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<library name="mysql-connector-j-8.4.0 (2)">
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<CLASSES>
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<root url="jar://$PROJECT_DIR$/lib/mysql-connector-j-8.4.0.jar!/" />
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</CLASSES>
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<JAVADOC />
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<SOURCES />
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</library>
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</component>
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-9
@@ -1,9 +0,0 @@
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<component name="libraryTable">
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<library name="mysql-connector-j-8.4.0 (3)">
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<CLASSES>
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<root url="jar://$PROJECT_DIR$/lib/mysql-connector-j-8.4.0.jar!/" />
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</CLASSES>
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<JAVADOC />
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<SOURCES />
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</library>
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</component>
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-9
@@ -1,9 +0,0 @@
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<component name="libraryTable">
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<library name="mysql-connector-j-8.4.0 (4)">
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<CLASSES>
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<root url="jar://$PROJECT_DIR$/lib/mysql-connector-j-8.4.0.jar!/" />
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</CLASSES>
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<JAVADOC />
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<SOURCES />
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</library>
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</component>
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-9
@@ -1,9 +0,0 @@
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<component name="libraryTable">
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<library name="mysql-connector-j-8.4.0 (5)">
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<CLASSES>
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<root url="jar://$PROJECT_DIR$/lib/mysql-connector-j-8.4.0.jar!/" />
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</CLASSES>
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<JAVADOC />
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<SOURCES />
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</library>
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</component>
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-9
@@ -1,9 +0,0 @@
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<component name="libraryTable">
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<library name="mysql-connector-j-8.4.0 (6)">
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<CLASSES>
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<root url="jar://$PROJECT_DIR$/lib/mysql-connector-j-8.4.0.jar!/" />
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</CLASSES>
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<JAVADOC />
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<SOURCES />
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</library>
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</component>
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@@ -31,7 +31,6 @@ public class MainFrm extends JFrame {
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setJMenuBar(menuBar);
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setDefaultCloseOperation(EXIT_ON_CLOSE);
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setSize(960, 720);
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setVisible(true);
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String countData = "本馆共藏书" + getCount("books") + "本，共记录学生信息" + getCount("students") + "条，已借阅" + getCount("rents") + "本书，人均借阅" + (double) getCount("rents") / getCount("students") + "本";
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countMessage.setText(countData);
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@@ -45,6 +44,7 @@ public class MainFrm extends JFrame {
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setLocation();
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initDialogs();
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setVisible(true);
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}
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@@ -1,6 +1,7 @@
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package com.msksbr.MainFrm;
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import com.msksbr.MainFrm.MenuItemDiaog.Adder.BookAdder;
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import com.msksbr.MainFrm.MenuItemDiaog.Adder.RentAdder;
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import com.msksbr.MainFrm.MenuItemDiaog.Adder.StudentAdder;
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import com.msksbr.MainFrm.MenuItemDiaog.AuthorDIalog;
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import com.msksbr.MainFrm.MenuItemDiaog.SearchDIalog;
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@@ -62,6 +63,11 @@ public class MenuBar extends JMenuBar {
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}
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});
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JMenuItem rentAdd = new JMenuItem("添加借阅信息");
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rentAdd.addActionListener(new ActionListener() {
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public void actionPerformed(ActionEvent e) {
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new RentAdder();
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}
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});
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addMenu.add(bookAdd);
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addMenu.add(studentAdd);
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addMenu.add(rentAdd);
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@@ -0,0 +1,104 @@
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<?xml version="1.0" encoding="UTF-8"?>
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<form xmlns="http://www.intellij.com/uidesigner/form/" version="1" bind-to-class="com.msksbr.MainFrm.MenuItemDiaog.Adder.RentAdder">
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<grid id="cbd77" binding="contentPane" layout-manager="BorderLayout" hgap="0" vgap="0">
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<constraints>
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<xy x="54" y="54" width="264" height="145"/>
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</constraints>
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<properties/>
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<border type="none"/>
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<children>
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<grid id="94766" layout-manager="FlowLayout" hgap="5" vgap="5" flow-align="1">
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<constraints border-constraint="South"/>
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<properties/>
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<border type="none"/>
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<children>
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<grid id="9538f" layout-manager="GridLayoutManager" row-count="1" column-count="1" same-size-horizontally="false" same-size-vertically="false" hgap="-1" vgap="-1">
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<margin top="0" left="0" bottom="0" right="0"/>
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<constraints/>
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<properties/>
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<border type="none"/>
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<children>
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<component id="e7465" class="javax.swing.JButton" binding="buttonOK">
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<constraints>
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<grid row="0" column="0" row-span="1" col-span="1" vsize-policy="0" hsize-policy="3" anchor="0" fill="1" indent="0" use-parent-layout="false"/>
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</constraints>
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<properties>
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<text value="添加"/>
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</properties>
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</component>
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</children>
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</grid>
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</children>
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</grid>
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<grid id="e3588" layout-manager="BorderLayout" hgap="0" vgap="0">
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<constraints border-constraint="Center"/>
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<properties/>
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<border type="none"/>
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<children>
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<grid id="e3beb" layout-manager="GridLayoutManager" row-count="2" column-count="1" same-size-horizontally="false" same-size-vertically="false" hgap="-1" vgap="-1">
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<margin top="0" left="0" bottom="0" right="0"/>
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<constraints border-constraint="West"/>
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<properties/>
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<border type="none"/>
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<children>
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<component id="9c1af" class="javax.swing.JLabel">
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<constraints>
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<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"/>
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</constraints>
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<properties>
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<text value="请输入书号："/>
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</properties>
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</component>
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<component id="c9df7" class="javax.swing.JLabel">
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<constraints>
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<grid row="1" column="0" row-span="1" col-span="1" vsize-policy="0" hsize-policy="0" anchor="8" fill="0" indent="0" use-parent-layout="false"/>
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</constraints>
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<properties>
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<text value="请输入学号："/>
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</properties>
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</component>
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</children>
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</grid>
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<grid id="10667" layout-manager="GridLayoutManager" row-count="2" column-count="1" same-size-horizontally="false" same-size-vertically="false" hgap="-1" vgap="-1">
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<margin top="0" left="0" bottom="0" right="0"/>
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<constraints border-constraint="Center"/>
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<properties/>
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<border type="none"/>
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<children>
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<grid id="60ed0" layout-manager="FlowLayout" hgap="5" vgap="5" flow-align="0">
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<constraints>
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<grid row="0" column="0" row-span="1" col-span="1" vsize-policy="3" hsize-policy="3" anchor="0" fill="3" indent="0" use-parent-layout="false"/>
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</constraints>
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<properties/>
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<border type="none"/>
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<children>
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<component id="5f80a" class="javax.swing.JTextField" binding="bIDField">
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<constraints/>
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<properties>
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<columns value="15"/>
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</properties>
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</component>
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</children>
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</grid>
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<grid id="d1af9" layout-manager="FlowLayout" hgap="5" vgap="5" flow-align="0">
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<constraints>
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<grid row="1" column="0" row-span="1" col-span="1" vsize-policy="3" hsize-policy="3" anchor="0" fill="3" indent="0" use-parent-layout="false"/>
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</constraints>
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<properties/>
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<border type="none"/>
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<children>
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<component id="26f68" class="javax.swing.JTextField" binding="sIDField">
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<constraints/>
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<properties>
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<columns value="15"/>
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</properties>
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</component>
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</children>
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</grid>
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</children>
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</grid>
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</children>
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</grid>
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</children>
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</grid>
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</form>
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@@ -0,0 +1,93 @@
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package com.msksbr.MainFrm.MenuItemDiaog.Adder;
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import com.msksbr.LoginFrm.ScreenSize;
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import com.msksbr.SQL.Connector;
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import javax.swing.*;
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import java.awt.event.ActionEvent;
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import java.awt.event.ActionListener;
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import java.sql.ResultSet;
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import java.sql.SQLException;
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public class RentAdder extends JDialog {
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private JPanel contentPane;
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private JButton buttonOK;
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private JTextField bIDField;
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private JTextField sIDField;
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private int bID;
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private int sID;
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private Connector bConnector;
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private Connector sConnector;
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private String bookSearchSQL;
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private String studentSearchSQL;
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private String updateSQL;
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private ResultSet bIDResult;
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private ResultSet sIDResult;
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public RentAdder() {
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try {
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bConnector = new Connector();
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sConnector = new Connector();
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} catch (ClassNotFoundException e) {
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throw new RuntimeException(e);
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} catch (SQLException e) {
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throw new RuntimeException(e);
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}
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setContentPane(contentPane);
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setModal(true);
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getRootPane().setDefaultButton(buttonOK);
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setTitle("添加借阅信息");
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buttonOK.addActionListener(new ActionListener() {
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public void actionPerformed(ActionEvent e) {
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onOK();
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}
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});
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pack();
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setResizable(false);
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setLocation();
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setVisible(true);
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}
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private void onOK() {
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// 在此处添加您的代码
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try {
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this.bID = Integer.valueOf(bIDField.getText());
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this.sID = Integer.valueOf(sIDField.getText());
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searchSQLMaker();
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updateSQLMaker();
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bIDResult = bConnector.executeQuery(bookSearchSQL);
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sIDResult = sConnector.executeQuery(studentSearchSQL);
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if (!bIDResult.next()) {
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JOptionPane.showMessageDialog(this, "未找到该书信息", "错误", JOptionPane.WARNING_MESSAGE);
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} else if (!sIDResult.next()) {
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JOptionPane.showMessageDialog(this, "未找到学生信息", "错误", JOptionPane.WARNING_MESSAGE);
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} else {
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if (bIDResult.getInt("borrowed_by") == 0) {
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bConnector.executeUpdate(updateSQL);
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} else {
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JOptionPane.showMessageDialog(this, "该书已借出", "错误", JOptionPane.WARNING_MESSAGE);
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}
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}
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} catch (NumberFormatException e) {
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JOptionPane.showMessageDialog(this, "请输入一个整数", "错误", JOptionPane.ERROR_MESSAGE);
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} catch (SQLException e) {
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throw new RuntimeException(e);
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}
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dispose();
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}
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public void setLocation() {
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setLocation(new ScreenSize().width / 2 - getWidth() / 2, new ScreenSize().height / 2 - getHeight() / 2);
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}
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private void searchSQLMaker() {
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this.bookSearchSQL = "SELECT * FROM books WHERE book_id =" + this.bID + ";";
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this.studentSearchSQL = "SELECT * FROM students WHERE student_id =" + this.sID + ";";
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}
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private void updateSQLMaker() {
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this.updateSQL = "UPDATE books SET borrowed_by = " + this.sID + " WHERE book_id =" + this.bID + ";";
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}
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}
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