java網(wǎng)上預(yù)約功能怎么實現(xiàn)啊。。

物車的邏輯業(yè)務(wù)的實現(xiàn)(MyCartBO.java),能夠滿足用戶的添加，刪除，修改，清空，查看購物車的信息!

我們提供的服務(wù)有：成都網(wǎng)站設(shè)計、網(wǎng)站制作、外貿(mào)營銷網(wǎng)站建設(shè)、微信公眾號開發(fā)、網(wǎng)站優(yōu)化、網(wǎng)站認證、水磨溝ssl等。為近1000家企事業(yè)單位解決了網(wǎng)站和推廣的問題。提供周到的售前咨詢和貼心的售后服務(wù)，是有科學(xué)管理、有技術(shù)的水磨溝網(wǎng)站制作公司

ConnDB.java(這只是一個得到數(shù)據(jù)庫連接和類)

01 //連接數(shù)據(jù)庫

02 package cn.fqfx.model;

03

04 import java.sql.*;

05

06 public class ConnDB

07 {

08 //定義一個連接

09 private Connection ct = null;

10

11 //得到連接

12 public Connection getConn()

13 {

14 try {

15 //加載驅(qū)動

16 Class.forName("com.microsoft.jdbc.sqlserver.SQLServerDriver");

17 //得到連接

18 ct = DriverManager.getConnection

19 ("jdbc:microsoft:sqlserver://localhost:1433;databaseName=whdb2","sa","sa");

20 } catch (Exception e) {

21 e.printStackTrace();

22 // TODO: handle exception

23 }

24 return ct;

25 }

26 }

GoodsBean.java(這個文件主要用來保存從數(shù)據(jù)庫的goods表中取得的信息)

01 //這是一個與Goods表對應(yīng)的java bean

02 //表的信息可以保存在這里面

03 package cn.fqfx.model;

04

05 public class GoodsBean

06 {

07 //分別與goods表的各個字段相對應(yīng)

08 private int goodsId = 0;

09 private String goodsName = "";

10 private String goodsInfo = "";

11 private String goodsPlace = "";

12

13

14 public int getGoodsId() {

15 return goodsId;

16 }

17 public void setGoodsId(int goodsId) {

18 this.goodsId = goodsId;

19 }

20

21

22 public String getGoodsName() {

23 return goodsName;

24 }

25 public void setGoodsName(String goodsName) {

26 this.goodsName = goodsName;

27 }

28

29

30 public String getGoodsInfo() {

31 return goodsInfo;

32 }

33 public void setGoodsInfo(String goodsInfo) {

34 this.goodsInfo = goodsInfo;

35 }

36

37

38 public String getGoodsPlace() {

39 return goodsPlace;

40 }

41 public void setGoodsPlace(String goodsPlace) {

42 this.goodsPlace = goodsPlace;

43 }

44 }

MyCartBO.java(這個就是購物車，主要以HashMap實現(xiàn)存放用戶想買的商品id,商品數(shù)量.然后，通過方法的調(diào)用把購物車中的信息返回到界面讓用戶看)

001 //這是一個業(yè)務(wù)對象，相當于一個購物車！！

002 //--使用說明：這個購物車最好是在session中使用，因為一個用戶一輛購物車,這樣?xùn)|西才不會一直丟

003 package cn.fqfx.model;

004

005 import java.sql.*;

006 import java.util.*;

007

008 public class MyCartBO

009 {

010 //定義幾個數(shù)據(jù)庫的連接

011 private Connection ct = null;

012 private PreparedStatement ps = null;

013 private ResultSet rs = null;

014

015 //定義一個HashMap充當購物車,第一個用來存放goodsId,值就是goods的數(shù)量

016 HashMapString, String hm = new HashMapString, String();

017

018 //當用戶想購買的時候，就加入　購物車里面

019 public void addGoods(String goodsId, String goodsNumber)

020 {

021 hm.put(goodsId, goodsNumber);

022 }

023

024 //當用戶不想要東西的時候，就把它刪除

025 public void delGoods(String goodsId)

026 {

027 hm.remove(goodsId);

028 }

029

030 //當用戶什么也不想要的時候，就清空它

031 public void clearGoods()

032 {

033 hm.clear();

034 }

035

036 //當用戶想更換物品的數(shù)量的時候，就更新一下

037 public void upGoods(String goodsId, String newNumber)

038 {

039 //還是用加入物品的方法，因為會自動替換掉它，如果貨物名字想換，那說明用戶想刪除了

040 hm.put(goodsId, newNumber);

041 }

042

043 //得到單個物品的數(shù)量,要用的話把它轉(zhuǎn)成int型再使用

044 public String getGoodsNumberByGoodsId(String goodsId)

045 {

046 return hm.get(goodsId);

047 }

048

049 //把購物車的東西全部取出來,放入ArrayList里面

050 public ArrayListGoodsBean getAllGoods()

051 {

052 //要知道這個ArrayList是用來放GoodsBean，因為GoodsBean與表相對應(yīng)，所以可以保存物品的信息

053 ArrayListGoodsBean al = new ArrayListGoodsBean();

054 try {

055 //得到連接

056 ct = new ConnDB().getConn();

057

058 //想一個sql語句,主要是取得goodsId,就可以全部取出來給外面的使用

059 String sql = "select * from goods where goodsId in (";

060 IteratorString it = hm.keySet().iterator();

061 while(it.hasNext())

062 {

063 //把goodsId取出來

064 String goodsId = it.next();

065 if(it.hasNext()){

066 sql += goodsId+",";

067 }else{

068 sql += goodsId+")";

069 }

070 }

071

072 //創(chuàng)建ps,上面把sql語句組織好

073 ps = ct.prepareStatement(sql);

074

075 //執(zhí)行

076 rs = ps.executeQuery();

077

078 //取出來，放在GoodsBean,再把GoodsBean一個個放入ArrayList中，顯示的頁面就可以調(diào)用了

079 while(rs.next())

080 {

081 GoodsBean gb = new GoodsBean();

082 gb.setGoodsId(rs.getInt(1));

083 gb.setGoodsName(rs.getString(2));

084 gb.setGoodsInfo(rs.getString(3));

085 gb.setGoodsPlace(rs.getString(4));

086

087 //把gb放入al,相當于保存了從數(shù)據(jù)庫中獲得的數(shù)據(jù)

088 al.add(gb);

089 }

090 } catch (Exception e) {

091 e.printStackTrace();

092 // TODO: handle exception

093 }finally{

094 this.closeDBResource();

095 }

096 return al;

097 }

098

099 //關(guān)閉數(shù)據(jù)庫資源

100 public void closeDBResource()

101 {

102 try {

103 if(rs != null){

104 rs.close();

105 rs = null;

106 }

107 } catch (Exception e2) {

108 e2.printStackTrace();

109 // TODO: handle exception

110 }

111 try {

112 if(ps != null){

113 ps.close();

114 ps = null;

115 }

116 } catch (Exception e2) {

117 e2.printStackTrace();

118 // TODO: handle exception

119 }

120 try {

121 if(ct != null){

122 ct.close();

123 ct= null;

124 }

125 } catch (Exception e2) {

126 e2.printStackTrace();

127 // TODO: handle exception

128 }

129 }

130 }

求一個基于Java編寫的醫(yī)院預(yù)約系統(tǒng)源碼

摘??? 要

進入21世紀以來，網(wǎng)絡(luò)的空前發(fā)展給人們的工作和生活帶來了極大的便利，信息化建設(shè)已經(jīng)成為節(jié)約運營成本、提高工作效率的首選。相比之下，國內(nèi)相當數(shù)量的中小醫(yī)院的醫(yī)院預(yù)約掛號工作還采用相對保守的手工工作方式，數(shù)據(jù)信息查詢和存儲的成本較高，但效率卻很低下。為了使醫(yī)院預(yù)約掛號管理更高效、更科學(xué)，決定開發(fā)醫(yī)院預(yù)約掛號平臺。

本文采用結(jié)構(gòu)化分析的方法，詳細闡述了一個功能比較強大的醫(yī)院預(yù)約掛號平臺的前后臺開發(fā)、操作流程和涉及的一些關(guān)鍵技術(shù)。首先進行了可行性分析，然后是系統(tǒng)分析，通過實際的業(yè)務(wù)流程調(diào)研，分析業(yè)務(wù)流程和系統(tǒng)的組織結(jié)構(gòu)，完成了數(shù)據(jù)流分析和數(shù)據(jù)字典；然后是系統(tǒng)設(shè)計階段主要完成了功能模塊的劃分、闡述了系統(tǒng)設(shè)計的思想、數(shù)據(jù)庫的設(shè)計和系統(tǒng)設(shè)計的工具及技術(shù)。該階段對本系統(tǒng)各個模塊的功能進行了詳細設(shè)計，形成了本系統(tǒng)的功能模塊圖；數(shù)據(jù)庫設(shè)計時先進行了概念結(jié)構(gòu)設(shè)計，然后進行了邏輯結(jié)構(gòu)設(shè)計，最后完成了數(shù)據(jù)表的設(shè)計。

根據(jù)前幾個階段的分析和設(shè)計，本系統(tǒng)在設(shè)計方面采用B/S模式，同時使用JSP技術(shù)進行基本頁面的設(shè)計與功能實現(xiàn)，后臺數(shù)據(jù)庫選用SQL Server 2000數(shù)據(jù)庫。本系統(tǒng)的設(shè)計實施為醫(yī)院預(yù)約掛號系統(tǒng)的運行做基礎(chǔ)，為醫(yī)院預(yù)約掛號管理工作提供良好的條件。

關(guān)鍵詞：預(yù)約掛號；結(jié)構(gòu)化分析；平臺

Abstract

In the 21st century, the unprecedented development of the network to the people's work and life has brought great convenience, information technology has become operational cost savings, improve efficiency of choice. In contrast, a considerable number of domestic small and medium hospitals, hospital appointment registration work is relatively conservative with manual work, data query and the high cost of storage, but the efficiency is very low. To make an appointment by registered hospital management more efficient, more science, decided to develop the hospital appointment registration platform.

In this paper, structural analysis, a function described in detail more powerful platform for the hospital before and after the appointment register sets and development, operational processes, and some of the key technologies involved. First, a feasibility analysis, and system analysis, business process through the actual research, analyze business processes and organizational structure of the system to complete the data flow analysis and data dictionary; then completed the system design phase is mainly divided into functional modules, elaborated the idea of the system design, database design and system design tools and techniques. This phase of the system function of each module in detail the design, forming a functional block diagram of the system; database design first tested the concept design, followed by a logic design, and finally completed the data table design.

According to the first few stages of the analysis and design, the system used in the design of B / S mode, JSP technology, the basic page design and implementation of function, use SQL Server 2000 database backend database. Implementation of the system design registration system for the operation of the hospital appointment as a foundation for the hospital management to provide a good appointment registration conditions.

Key Words：Appointment registration; structural analysis; platform

目??? 錄

摘??? 要... I

Abstract II

一、引言... 1

（一）項目開發(fā)的背景... 1

（二）項目開發(fā)的目的... 1

二、可行性分析及總體設(shè)計原則... 2

（一）可行性分析... 2

1．技術(shù)可行性... 2

2．經(jīng)濟可行性... 2

3．社會可行性... 3

（二）總體設(shè)計原則... 3

三、系統(tǒng)分析... 5

（一）業(yè)務(wù)流程分析... 5

（二）數(shù)據(jù)流圖... 6

（三）數(shù)據(jù)字典... 9

四、系統(tǒng)設(shè)計... 13

（一）系統(tǒng)功能設(shè)計... 13

（二）系統(tǒng)數(shù)據(jù)庫設(shè)計... 14

1．概念結(jié)構(gòu)設(shè)計... 14

2．邏輯結(jié)構(gòu)設(shè)計... 18

3．數(shù)據(jù)庫表設(shè)計... 18

（三）系統(tǒng)開發(fā)工具與開發(fā)模式的選擇... 20

1．系統(tǒng)開發(fā)工具... 20

2．系統(tǒng)設(shè)計模式... 21

五、系統(tǒng)實現(xiàn)... 22

（一）用戶模塊... 22

1．登錄及注冊管理模塊... 22

2．首界面... 23

3．用戶注冊界面... 24

4．公告界面... 25

5．科室預(yù)約界面... 26

6．留言界面... 27

（三）管理員模塊... 28

1．登錄界面... 28

2．科室管理界面... 28

3．添加專家界面... 29

六、性能測試與分析... 30

（一）測試的重要性... 30

（二）測試實例的研究與選擇... 30

（三）測試環(huán)境與測試條件... 31

（四）實例測試... 32

（五）系統(tǒng)評價... 32

（六）測試結(jié)果... 33

參 考 文 獻... 35

致??? 謝... 36

java課程設(shè)計源代碼（急！！！！）

import java.awt.Color;

import java.awt.Font;

import java.awt.event.ActionEvent;

import java.awt.event.ActionListener;

import javax.swing.JButton;

import javax.swing.JFrame;

import javax.swing.JLabel;

import javax.swing.JOptionPane;

import javax.swing.SwingConstants;

import javax.swing.border.LineBorder;

public class game21 extends JFrame {

private JLabel label_2;

private int number;

private int sum;

final JLabel label = new JLabel();

final JLabel label_1 = new JLabel();

public static void main(String[] args) {

new game21();

}

public game21() {

super("21點？！");

getContentPane().setLayout(null);

this.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);

final JButton button = new JButton();

button.addActionListener(new ActionListener() {

public void actionPerformed(final ActionEvent arg0) {

onClick();

}

});

button.setText("出牌");

button.setBounds(170, 350, 106, 28);

getContentPane().add(button);

label.setBorder(new LineBorder(Color.black, 1, false));

label.setHorizontalAlignment(SwingConstants.CENTER);

label.setFont(new Font("", Font.BOLD, 26));

label.setText("背面");

label.setBounds(158, 81, 137, 153);

getContentPane().add(label);

label_1.setText("你已經(jīng)擁有的牌:");

label_1.setBounds(109, 22, 270, 45);

getContentPane().add(label_1);

this.setBounds(200, 300, 501, 528);

this.setVisible(true);

getContentPane().add(getLabel_2());

}

public int randNumber() {

try {

Thread.sleep(10);

} catch (InterruptedException e) {

e.printStackTrace();

}

return (int) (Math.random() * 10 + 1);

}

public void onClick() {

number = this.randNumber();

this.sum += number;

label.setText("" + number);

String strTemp = this.label_1.getText();

strTemp += "" + number + " ";

label_1.setText(strTemp);

String temp = "合計：" + sum;

label_2.setText(temp);

isWin();

}

public void isWin() {

if (sum 21) {

JOptionPane.showMessageDialog(this, "你輸了");

clear();

return;

} else if (sum == 21) {

JOptionPane.showMessageDialog(this, "你贏了");

clear();

return;

} else {

int i = JOptionPane.showOptionDialog(this, "是否繼續(xù)？", "提示",

JOptionPane.OK_CANCEL_OPTION,

JOptionPane.INFORMATION_MESSAGE, null, null, null);

if (i == JOptionPane.OK_OPTION) {

onClick();

} else

return;

}

}

private void clear() {

label_2.setText("合計：");

sum = 0;

number = 0;

label_1.setText("你已經(jīng)擁有的牌:");

}

/**

* @return

*/

protected JLabel getLabel_2() {

if (label_2 == null) {

label_2 = new JLabel();

label_2.setText("合計:");

label_2.setBounds(313, 35, 66, 18);

}

return label_2;

}

}

真好無聊中。。

急求java學(xué)生信息管理系統(tǒng)源代碼，帶有連接數(shù)據(jù)庫的，萬分感謝

import java.awt.BorderLayout;

import java.awt.CardLayout;

import java.awt.Container;

import java.awt.Font;

import java.awt.event.ActionEvent;

import java.awt.event.ActionListener;

import javax.swing.Icon;

import javax.swing.ImageIcon;

import javax.swing.JButton;

import javax.swing.JFrame;

import javax.swing.JLabel;

import javax.swing.JMenu;

import javax.swing.JMenuBar;

import javax.swing.JMenuItem;

import javax.swing.JPanel;

import javax.swing.JToolBar;

import javax.swing.SwingConstants;

public class MainFrame extends JFrame implements ActionListener{

InsertPanel ip = null;

SelectPanel sp = null;

JPanel pframe;

JButton jb1,jb2,jb3;

JMenuItem jm11,jm21,jm22,jm23,jm31,jm32,jm41,jm42;

CardLayout clayout;

public MainFrame(String s){

super(s);

JMenuBar mb = new JMenuBar();

this.setJMenuBar(mb);

JMenu m1 = new JMenu("系統(tǒng)");

JMenu m2 = new JMenu("基本信息");

JMenu m3 = new JMenu("成績");

JMenu m4 = new JMenu("獎懲");

mb.add(m1);

mb.add(m2);

mb.add(m3);

mb.add(m4);

jm11 = new JMenuItem("退出系統(tǒng)");

jm21 = new JMenuItem("輸入");

jm22 = new JMenuItem("查詢");

jm23 = new JMenuItem("更改");

jm31 = new JMenuItem("輸入成績");

jm32 = new JMenuItem("查詢成績");

jm41 = new JMenuItem("獎勵");

jm42 = new JMenuItem("處分");

m1.add(jm11);

m2.add(jm21);

m2.add(jm22);

m2.add(jm23);

m3.add(jm31);

m3.add(jm32);

m4.add(jm41);

m4.add(jm42);

Icon i1 = new ImageIcon();

Icon i2 = new ImageIcon();

Icon i3 = new ImageIcon();

jb1 = new JButton(i1);

jb1.setToolTipText("輸入");

jb2 = new JButton(i2);

jb2.setToolTipText("查詢");

jb3 = new JButton(i3);

jb3.setToolTipText("退出");

JToolBar tb = new JToolBar("系統(tǒng)工具");

tb.add(jb1);

tb.add(jb2);

tb.add(jb3);

add(tb,BorderLayout.NORTH);

jm11.addActionListener(this);

jm21.addActionListener(this);

jm22.addActionListener(this);

jb1.addActionListener(this);

jb2.addActionListener(this);

jb3.addActionListener(this);

clayout = new CardLayout();

pframe = new JPanel(clayout);

add(pframe);

JPanel mainp = new JPanel(new BorderLayout());

JLabel mainl = new JLabel("學(xué)生信息管理平臺",SwingConstants.CENTER);

mainl.setFont(new Font("serif",Font.BOLD,30));

mainp.add(mainl);

pframe.add(mainp,"main");

clayout.show(pframe, "main");

}

public void actionPerformed(ActionEvent e){

if(e.getSource() == jm21 || e.getSource() == jb1){

if(ip == null){

ip= new InsertPanel();

pframe.add(ip,"insert");

}

clayout.show(pframe, "insert");

this.setTitle("輸入學(xué)生信息");

}

else if(e.getSource() == jm22 || e.getSource() == jb2){

if(sp == null){

sp= new SelectPanel();

pframe.add(sp,"select");

}

clayout.show(pframe, "select");

this.setTitle("查詢學(xué)生信息");

}

else if(e.getSource() == jm11 || e.getSource() == jb3){

System.exit(0);

}

}

}

第二個：

import javax.swing.JFrame;

public class MainTest {

public static void main(String [] args){

MainFrame f = new MainFrame("學(xué)生信息管理平臺");

f.setSize(400,300);

f.setLocation(350,250);

f.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);

f.setVisible(true);

}

}

第二個：

import java.sql.Connection;

import java.sql.DriverManager;

public class MySQLConnection {

static Connection getCon(){

Connection con = null;

try{

Class.forName("com.mysql.jdbc.Driver");

con = DriverManager.getConnection("jdbc:mysql://localhost/test","root","123");

}

catch(Exception e){

System.out.println("建立數(shù)據(jù)庫連接遇到異常！");

}

return con;

}

}

第四個：

import java.awt.BorderLayout;

import java.awt.GridLayout;

import java.awt.event.ActionEvent;

import java.awt.event.ActionListener;

import javax.swing.JButton;

import javax.swing.JLabel;

import javax.swing.JOptionPane;

import javax.swing.JPanel;

import javax.swing.JTextField;

import javax.swing.SwingConstants;

public class SelectPanel extends JPanel implements ActionListener{

JButton jb;

JTextField jt;

JTextField jt1,jt2,jt3,jt4;

public SelectPanel(){

JLabel jl = new JLabel("請輸入學(xué)號:",SwingConstants.CENTER);

jt = new JTextField();

jb = new JButton("確定");

JPanel jp1 = new JPanel(new GridLayout(1,3));

jp1.add(jl);

jp1.add(jt);

jp1.add(jb);

JLabel j1,j2,j3,j4;

j1 = new JLabel("學(xué)號:",SwingConstants.CENTER);

j2 = new JLabel("姓名:",SwingConstants.CENTER);

j3 = new JLabel("性別:",SwingConstants.CENTER);

j4 = new JLabel("年齡:",SwingConstants.CENTER);

jt1 = new JTextField(6);

jt1.setEditable(false);

jt2 = new JTextField(6);

jt2.setEditable(false);

jt3 = new JTextField(6);

jt3.setEditable(false);

jt4 = new JTextField(6);

jt4.setEditable(false);

JPanel jp2 = new JPanel(new BorderLayout());

JPanel jp3 = new JPanel(new GridLayout(4,2));

jp2.add(new JLabel(""),BorderLayout.NORTH);

jp3.add(j1);

jp3.add(jt1);

jp3.add(j2);

jp3.add(jt2);

jp3.add(j3);

jp3.add(jt3);

jp3.add(j4);

jp3.add(jt4);

jp2.add(jp3);

this.setLayout(new BorderLayout());

add(jp1,BorderLayout.NORTH);

add(jp2);

jb.addActionListener(this);

}

public void actionPerformed(ActionEvent e){

if(e.getSource() == jb){

String stuNo = jt.getText().trim();

Student s = new Student();

boolean b = true;

try{

b = s.selectByStuNo(stuNo);

}

catch(Exception ex){

System.out.println("查詢學(xué)生信息遇到異常!");

}

if(b){

jt1.setText(s.getStuNo());

jt2.setText(s.getName());

jt3.setText(s.getGender());

int a = s.getAge();

Integer i = new Integer(a);

jt4.setText(i.toString());

}

else{

JOptionPane.showMessageDialog(null, "無此學(xué)生!");

}

}

}

}

第五個：

import javax.swing.JFrame;

public class SelectTest {

public static void main(String [] args){

JFrame f = new JFrame("查詢學(xué)生信息");

SelectPanel p = new SelectPanel();

f.add(p);

f.setSize(400,300);

f.setLocation(300,250);

f.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);

f.setVisible(true);

}

}

第六個：

import java.sql.Connection;

import java.sql.ResultSet;

import java.sql.Statement;

public class Student {

String stuNo;

String name;

String gender;

int age;

public Student(){}

public Student(String stuNo,String name,String gender, int age){

this.stuNo = stuNo;

this.name = name;

this.gender = gender;

this.age = age;

}

public String getStuNo(){

return stuNo;

}

public void setStuNo(String stuNo){

this.stuNo = stuNo;

}

public String getName(){

return name;

}

public void setName(String name){

this.name = name;

}

public String getGender(){

return gender;

}

public void setGender(String gender){

this.gender = gender;

}

public int getAge(){

return age;

}

public void setAge(int age){

this.age = age;

}

public boolean insertStudent(){

boolean b = true;

try{

Connection con = MySQLConnection.getCon();

Statement statement = con.createStatement();

String sql = "insert into student values('" + stuNo + "','" + name +"','" + gender + "'," + age + ")";

sql = new String(sql.getBytes("gb2312"),"ISO8859_1");

statement.executeUpdate(sql);

con.close();

}

catch(Exception e){

b = false;

System.out.println("插入數(shù)據(jù)庫遇到異常！");

}

return b;

}

public boolean selectByStuNo(String stuNo)throws Exception{

boolean b = true;

Connection con = MySQLConnection.getCon();

Statement statement = con.createStatement();

String sql = "select * from student where stuNo =" + stuNo;

ResultSet rs = statement.executeQuery(sql);

if(rs != null rs.next()){

String no = rs.getString(1);

this.setStuNo(no);

String n = rs.getString(2);

n = new String(n.getBytes("ISO8859_1"),"gb2312");

this.setName(n);

String g = rs.getString(3);

g = new String (g.getBytes("ISO8859_1"),"gb2312");

this.setGender(g);

this.setAge(rs.getInt(4));

b = true;

}

rs.close();

statement.close();

con.close();

return b;

}

}

數(shù)據(jù)庫你自己弄吧，我沒時間弄了！初學(xué)得多動手哦

名稱欄目：教室預(yù)約java源代碼 java教務(wù)系統(tǒng)源代碼
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