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Java基于MySQL實(shí)現(xiàn)學(xué)生管理系統(tǒng)

 更新時(shí)間：2018年01月12日 15:43:21   作者：Hyouka1203  
這篇文章主要為大家詳細(xì)介紹了Java基于MySQL實(shí)現(xiàn)學(xué)生管理系統(tǒng)，具有一定的參考價(jià)值，感興趣的小伙伴們可以參考一下

本文為大家分享了Java基于MySQL實(shí)現(xiàn)學(xué)生管理系統(tǒng)，供大家參考，具體內(nèi)容如下

因?yàn)閷?shí)驗(yàn)室要交作業(yè)然后就做了一個(gè)學(xué)生管理系統(tǒng)，貼個(gè)代碼紀(jì)念一下，做的太急界面什么的也比較差。

還有一些小細(xì)節(jié)沒有完善不過還是能實(shí)現(xiàn)主要的功能的。

Window是主界面

package First; 
 
import java.sql.*; 
import java.awt.*; 
import java.awt.event.*; 
import javax.swing.*; 
 
public class Window { 
 public static void main(String[] args){ 
 JFrame jframe = new JFrame("學(xué)生管理系統(tǒng)") ; //window 
 Dimension d = new Dimension(400,300); 
 Point p = new Point (250,350); 
  
 jframe.setSize(d); 
 jframe.setLocation(p); 
 jframe.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE); 
 jframe.setVisible(true); 
  
 JButton button1 = new JButton("添加"); 
 JButton button2 = new JButton("修改"); 
 JButton button3 = new JButton("查詢"); 
 JButton button4 = new JButton("刪除"); 
 JButton button5 = new JButton("瀏覽"); 
  
 FlowLayout flow = new FlowLayout(FlowLayout.LEFT,10,10); 
 JPanel panel = new JPanel(flow); 
 panel.add(button1); 
 panel.add(button2); 
 panel.add(button3); 
 panel.add(button4); 
 panel.add(button5); 
  
 jframe.add(panel); 
  
 button1.addActionListener(new ActionListener(){ 
  public void actionPerformed(ActionEvent e){ 
  Add add = new Add(); 
 
  }  
 }); 
  
 button2.addActionListener(new ActionListener(){ 
  public void actionPerformed(ActionEvent e){ 
  Change change = new Change();  
  }  
 }); 
  
 button3.addActionListener(new ActionListener(){ 
  public void actionPerformed(ActionEvent e){ 
  Ask ask = new Ask();  
  }  
 }); 
  
 button4.addActionListener(new ActionListener(){ 
  public void actionPerformed(ActionEvent e){ 
  Delete delete = new Delete();  
  }  
 }); 
  
 button5.addActionListener(new ActionListener(){ 
  public void actionPerformed(ActionEvent e){ 
  Look look = new Look();  
  }  
 }); 
  
 } 
 
}

Add是添加

package First; 
 
import java.sql.*; 
import java.awt.*; 
import java.awt.event.*; 
import javax.swing.*; 
 
import com.mysql.jdbc.Driver; 
 
import First.Window; 
 
public class Add extends JFrame { 
 private static final long serialVersionUID = -1928970409928880648L; 
 
 JLabel jlnumber = new JLabel("學(xué)號(hào)："); 
 JLabel jlname = new JLabel("姓名："); 
 JLabel jlsex = new JLabel("性別："); 
 JLabel jlbirthday = new JLabel("出生日期："); 
 JLabel jldepartment = new JLabel("學(xué)院："); 
 
 JTextField jtnumber = new JTextField("",20); 
 JTextField jtname = new JTextField("",20); 
 JTextField jtsex = new JTextField("",20); 
 JTextField jtbirthday = new JTextField("",20); 
 JTextField jtdepartment = new JTextField("",20); 
 
 JButton buttonadd = new JButton("添加"); 
 JButton buttonreturn = new JButton("返回"); 
 
 public Add() { 
 JPanel jpnumber = new JPanel(); 
 JPanel jpname = new JPanel(); 
 JPanel jpsex = new JPanel(); 
 JPanel jpbirthday = new JPanel(); 
 JPanel jpdepartment = new JPanel(); 
 JPanel jpforbutton = new JPanel(new GridLayout(1,1)); 
  
 jpnumber.add(jlnumber); 
 jpnumber.add(jtnumber); 
  
 jpname.add(jlname); 
 jpname.add(jtname); 
  
 jpsex.add(jlsex); 
 jpsex.add(jtsex); 
  
 jpbirthday.add(jlbirthday); 
 jpbirthday.add(jtbirthday); 
  
 jpdepartment.add(jldepartment); 
 jpdepartment.add(jtdepartment); 
  
 jpforbutton.add(buttonadd); 
 jpforbutton.add(buttonreturn); 
  
 buttonadd.addActionListener(new ActionListener(){ 
  public void actionPerformed(ActionEvent e){ 
   
  //Add 
  Connection conn = null; 
  Statement stat = null; 
  PreparedStatement ps=null; 
  String sql = "INSERT INTO student(number,name,sex,birthday,department) " 
   + "values(?,?,?,?,?)"; 
  try{ 
   Class.forName("Driver"); 
   System.out.println("JBDC 加載成功!"); 
  }catch(Exception a){ 
   System.out.println("JBDC 狗帶!"); 
   a.printStackTrace(); 
  } 
  try{ 
   conn=DriverManager.getConnection("jdbc:mysql://localhost:3306/javaStu","root","123"); 
   ps=conn.prepareStatement(sql); 
   
   ps.setString(1,jtnumber.getText()); 
   ps.setString(2,jtname.getText()); 
   ps.setString(3,jtsex.getText()); 
   ps.setString(4,jtbirthday.getText()); 
   ps.setString(5,jtdepartment.getText()); 
 
   ps.executeUpdate(); 
   
   //System.out.println("MySQL 連接成功!"); 
   //stat = conn.createStatement(); 
   //stat.executeUpdate(sql); 
   //System.out.println("插入數(shù)據(jù)成功!"); 
   
  }catch (SQLException b){ 
   b.printStackTrace(); 
  }finally{ 
   try{ 
   conn.close(); 
   System.out.println("MySQL 關(guān)閉成功"); 
   }catch (SQLException c){ 
   System.out.println("MySQL 關(guān)閉失敗 "); 
   c.printStackTrace(); 
   } 
   
  }    
   
 }} 
  
  ); 
  
 buttonreturn.addActionListener(new ActionListener(){ 
  public void actionPerformed(ActionEvent e){ 
  Window window = new Window();  
  }  
 }); 
   
 this.setTitle("添加學(xué)生信息"); 
 this.setLayout(new GridLayout(9,1)); 
 this.add(jpnumber); 
 this.add(jpname); 
 this.add(jpsex); 
 this.add(jpbirthday); 
 this.add(jpdepartment); 
 this.add(jpforbutton); 
 this.setLocation(400,300); 
 this.setSize(350,300); 
 this.setVisible(true); 
  
 } 
 
 
}

Ask是查詢

package First; 
 
import java.sql.*; 
import java.awt.*; 
import java.awt.event.*; 
import javax.swing.*; 
 
import First.Window; 
 
public class Ask extends JFrame { 
 private static final long serialVersionUID = -1928970409928880648L; 
 
 JLabel jlnumber = new JLabel("學(xué)號(hào)："); 
 JLabel jlname = new JLabel("姓名："); 
 JLabel jlsex = new JLabel("性別："); 
 JLabel jlbirthday = new JLabel("出生日期："); 
 JLabel jldepartment = new JLabel("學(xué)院："); 
 
 JTextField jtnumber = new JTextField("",20); 
 JLabel jname = new JLabel(); 
 JLabel jsex = new JLabel(); 
 JLabel jbirthday = new JLabel(); 
 JLabel jdepartment = new JLabel(); 
 
 JButton buttonask = new JButton("查詢"); 
 JButton buttonreturn = new JButton("返回"); 
 
 
 public Ask() { 
 JPanel jpnumber = new JPanel(); 
 JPanel jpname = new JPanel(); 
 JPanel jpsex = new JPanel(); 
 JPanel jpbirthday = new JPanel(); 
 JPanel jpdepartment = new JPanel(); 
 JPanel jpforbutton = new JPanel(new GridLayout(1,1)); 
  
 jpnumber.add(jlnumber); 
 jpnumber.add(jtnumber); 
  
 jpname.add(jlname); 
 jpname.add(jname); 
  
 jpsex.add(jlsex); 
 jpsex.add(jsex); 
  
 jpbirthday.add(jlbirthday); 
 jpbirthday.add(jbirthday); 
  
 jpdepartment.add(jldepartment); 
 jpdepartment.add(jdepartment); 
  
 jpforbutton.add(buttonask); 
 jpforbutton.add(buttonreturn); 
  
 buttonask.addActionListener(new ActionListener(){ 
  public void actionPerformed(ActionEvent e){ 
  Connection conn = null; 
  ResultSet res = null; 
  Statement stat = null; 
   
  String sql = "SELECT number,name,sex,birthday,department FROM student;"; 
  try{ 
   Class.forName("com.mysql.jdbc.Driver"); 
   
  }catch(Exception d){ 
   System.out.println("jdbc fall"); 
   d.printStackTrace(); 
  } 
  try{ 
   conn=DriverManager.getConnection("jdbc:mysql://localhost:3306/javaStu","root","123"); 
   stat=conn.createStatement(); 
   res=stat.executeQuery(sql); 
   while (res.next()) 
   { 
   if (res.getString(1).equals(jtnumber.getText())) 
   { 
    jname.setText(res.getString(2)); 
    jsex.setText(res.getString(3)); 
    jbirthday.setText(res.getString(4)); 
    jdepartment.setText(res.getString(5)); 
 
    break; 
   } 
   } 
  }catch (SQLException e1) { 
   // TODO Auto-generated catch block 
   e1.printStackTrace(); 
   
   
  } 
  finally{ 
   try{ 
   conn.close(); 
   }catch(SQLException ar){ 
   ar.printStackTrace(); 
   } 
  
  }}} 
  
  ); 
  
 buttonreturn.addActionListener(new ActionListener(){ 
  public void actionPerformed(ActionEvent e){ 
  Window window = new Window();  
  }  
 });   
 this.setTitle("查詢學(xué)生信息"); 
 this.setLayout(new GridLayout(9,1)); 
 this.add(jpnumber); 
 this.add(jpname); 
 this.add(jpsex); 
 this.add(jpbirthday); 
 this.add(jpdepartment); 
 this.add(jpforbutton); 
 this.setLocation(400,300); 
 this.setSize(350,300); 
 this.setVisible(true);   
 }  
}

Change是修改

package First; 
 
import java.sql.*; 
import java.awt.*; 
import java.awt.event.*; 
import javax.swing.*; 
 
import First.Window; 
 
public class Change extends JFrame { 
 private static final long serialVersionUID = -1928970409928880648L; 
 
 JLabel jlnumber = new JLabel("學(xué)號(hào)："); 
 JLabel jlname = new JLabel("姓名："); 
 JLabel jlsex = new JLabel("性別："); 
 JLabel jlbirthday = new JLabel("出生日期："); 
 JLabel jldepartment = new JLabel("學(xué)院："); 
 
 JTextField jtnumber = new JTextField("",20); 
 JTextField jtname = new JTextField("",20); 
 JTextField jtsex = new JTextField("",20); 
 JTextField jtbirthday = new JTextField("",20); 
 JTextField jtdepartment = new JTextField("",20); 
 
 JButton buttonchange = new JButton("修改"); 
 JButton buttonreturn = new JButton("返回"); 
 
 
 public Change() { 
 JPanel jpnumber = new JPanel(); 
 JPanel jpname = new JPanel(); 
 JPanel jpsex = new JPanel(); 
 JPanel jpbirthday = new JPanel(); 
 JPanel jpdepartment = new JPanel(); 
 JPanel jpforbutton = new JPanel(new GridLayout(1,1)); 
  
 jpnumber.add(jlnumber); 
 jpnumber.add(jtnumber); 
  
 jpname.add(jlname); 
 jpname.add(jtname); 
  
 jpsex.add(jlsex); 
 jpsex.add(jtsex); 
  
 jpbirthday.add(jlbirthday); 
 jpbirthday.add(jtbirthday); 
  
 jpdepartment.add(jldepartment); 
 jpdepartment.add(jtdepartment); 
  
 jpforbutton.add(buttonchange); 
 jpforbutton.add(buttonreturn); 
  
 buttonchange.addActionListener(new ActionListener(){ 
  public void actionPerformed(ActionEvent e){ 
  String number = jtnumber.getText(); 
  String name = jtname.getText(); 
  String sex = jtsex.getText(); 
  String birthday = jtbirthday.getText(); 
  String department = jtdepartment.getText(); 
   
  Connection conn = null; 
  ResultSet res = null; 
  Statement stat = null; 
   
  String sql = "SELECT number,name,sex,birthday,department FROM student;"; 
  try{ 
   Class.forName("com.mysql.jdbc.Driver"); 
   
  }catch(Exception d){ 
   System.out.println("jdbc fall"); 
   d.printStackTrace(); 
  } 
  try{ 
   conn=DriverManager.getConnection("jdbc:mysql://localhost:3306/javaStu","root","123"); 
   stat=conn.createStatement(); 
   res=stat.executeQuery(sql); 
   while (res.next()) 
   { 
   //change 
   if (res.getString(1).equals(jtnumber.getText())) 
   { 
   try{ 
    Class.forName("com.mysql.jdbc.Driver"); 
   }catch(Exception d){ 
    System.out.println("jdbc fall"); 
    d.printStackTrace(); 
   } 
    
    String sql2="UPDATE student SET name='"+name+"' WHERE number='"+jtnumber.getText()+"'"; 
    String sql3="UPDATE student SET sex='"+sex+"' WHERE number='"+jtnumber.getText()+"'"; 
    String sql4="UPDATE student SET birthday='"+birthday+"' WHERE number='"+jtnumber.getText()+"'"; 
    String sql5="UPDATE student SET department='"+department+"' WHERE number='"+jtnumber.getText()+"'"; 
    try { 
    conn=DriverManager.getConnection("jdbc:mysql://localhost:3306/javaStu","root","123"); 
    stat=conn.createStatement(); 
    stat.executeUpdate(sql2); 
    stat.executeUpdate(sql3); 
    stat.executeUpdate(sql4); 
    stat.executeUpdate(sql5); 
    } catch (SQLException g) { 
    // TODO Auto-generated catch block 
    g.printStackTrace(); 
    }try{ 
    stat.close(); 
    conn.close(); 
    }catch(SQLException ar){ 
    ar.printStackTrace(); 
   } 
 
    break; 
   } 
    
   //change end 
   } 
  }catch (SQLException e1) { 
   // TODO Auto-generated catch block 
   e1.printStackTrace(); 
   
   
  } 
  finally{ 
   try{ 
   conn.close(); 
   }catch(SQLException ar){ 
   ar.printStackTrace(); 
   }  
  }   
  }    
 }); 
   
 buttonreturn.addActionListener(new ActionListener(){ 
  public void actionPerformed(ActionEvent e){ 
  Window window = new Window();  
  }  
 }); 
  
 this.setTitle("修改學(xué)生信息"); 
 this.setLayout(new GridLayout(9,1)); 
 this.add(jpnumber); 
 this.add(jpname); 
 this.add(jpsex); 
 this.add(jpbirthday); 
 this.add(jpdepartment); 
 this.add(jpforbutton); 
 this.setLocation(400,300); 
 this.setSize(350,300); 
 this.setVisible(true);   
 }  
}

Delete是刪除

package First; 
 
import java.sql.*; 
import java.awt.*; 
import java.awt.event.*; 
 import javax.swing.*; 
 
import First.Window; 
 
 
 
 public class Delete extends JFrame { 
 private static final long serialVersionUID = -1928970409928880648L; 
   
 JLabel jlnumber = new JLabel("學(xué)號(hào)："); 
  
 JTextField jtnumber = new JTextField("",20); 
  
 JButton buttondelete = new JButton("刪除"); 
 JButton buttonreturn = new JButton("返回"); 
  
  
 public Delete() { 
  JPanel jpnumber = new JPanel(); 
  JPanel jpforbutton = new JPanel(new GridLayout(1,1)); 
  
  jpnumber.add(jlnumber); 
  jpnumber.add(jtnumber); 
  
  jpforbutton.add(buttondelete); 
  jpforbutton.add(buttonreturn); 
  
  buttondelete.addActionListener(new ActionListener(){ 
  public void actionPerformed(ActionEvent e){ 
   String number = jtnumber.getText(); 
   
   Connection conn = null; 
   ResultSet res = null; 
   Statement stat = null; 
   String sql = "DELETE FROM student WHERE number='"+number+"'"; 
   
   try{ 
   Class.forName("com.mysql.jdbc.Driver"); 
   }catch(Exception a){ 
   a.printStackTrace(); 
   } 
   try{ 
   conn=DriverManager.getConnection("jdbc:mysql://localhost:3306/javaStu","root","123"); 
   stat = conn.createStatement(); 
   stat.executeUpdate(sql); 
   }catch(SQLException h){ 
   h.printStackTrace(); 
    
   }finally{ 
   try{ 
    conn.close(); 
    System.out.println("close success!"); 
   }catch(SQLException j){ 
    System.out.println("close go die!"); 
    j.printStackTrace(); 
   } 
    
   } 
   
  } 
   
   
  }); 
  
  buttonreturn.addActionListener(new ActionListener(){ 
  public void actionPerformed(ActionEvent e){ 
   Window window = new Window();  
  }  
  }); 
   
  this.setTitle("刪除學(xué)生信息"); 
  this.setLayout(new GridLayout(9,1)); 
  this.add(jpnumber); 
  this.add(jpforbutton); 
  this.setLocation(400,300); 
  this.setSize(350,300); 
  this.setVisible(true); 
  
 } 
  
 }

 Look是瀏覽

package First; 
 
import java.sql.*; 
import java.awt.*; 
import java.awt.event.*; 
import javax.swing.*; 
import java.util.*; 
 
import First.Window; 
 
public class Look extends JFrame { 
 private static final long serialVersionUID = -1928970409928880648L; 
 
 Connection conn = null; 
 PreparedStatement ps = null; 
 ResultSet res = null; 
 
 
 //JButton buttonlook = new JButton("瀏覽"); 
 //JButton buttonreturn = new JButton("返回"); 
 
 JTable jtable; 
 JScrollPane jscrollpane = new JScrollPane(); 
 
 Vector columnNames = null; 
 Vector rowData = null; 
 
 public Look() { 
 JPanel jpforbutton = new JPanel(new GridLayout(1,1)); 
 
 columnNames = new Vector(); 
 columnNames.add("學(xué)號(hào)"); 
 columnNames.add("姓名"); 
 columnNames.add("性別"); 
 columnNames.add("出生日期"); 
 columnNames.add("學(xué)院"); 
 rowData = new Vector(); 
  
 //jpforbutton.add(buttonlook); 
 //jpforbutton.add(buttonreturn); 
  
  
 try { 
  Class.forName("com.mysql.jdbc.Driver"); 
  conn = DriverManager.getConnection("jdbc:mysql://localhost:3306/javaStu","root","123"); 
  ps = conn.prepareStatement("SELECT * FROM student"); 
  res = ps.executeQuery(); 
  while (res.next()) 
  { 
  Vector hang = new Vector(); 
  hang.add(res.getString(1)); 
  hang.add(res.getString(2)); 
  hang.add(res.getString(3)); 
  hang.add(res.getString(4)); 
  hang.add(res.getString(5)); 
  rowData.add(hang); 
   
  } 
  System.out.println("load ok!"); 
 }catch (Exception q){ 
  q.printStackTrace(); 
  System.out.println("go die"); 
 }finally{ 
  try{ 
  res.close(); 
  ps.close(); 
  conn.close(); 
  System.out.println("close ok"); 
  }catch (SQLException o){ 
  o.printStackTrace(); 
  System.out.println("go die 2"); 
  } 
 } 
  
 jtable = new JTable(rowData,columnNames); 
 jscrollpane = new JScrollPane(jtable); 
  
 this.add(jscrollpane); 
 this.setTitle("瀏覽學(xué)生信息"); 
 this.setLayout(new GridLayout(2,5)); 
 this.add(jpforbutton); 
 this.setLocation(300,300); 
 this.setSize(500,300); 
 this.setVisible(true); 
 this.setResizable(false); 
  
 } 
 
 
}

一些運(yùn)行的界面：

更多學(xué)習(xí)資料請(qǐng)關(guān)注專題《管理系統(tǒng)開發(fā)》。

以上就是本文的全部?jī)?nèi)容，希望對(duì)大家的學(xué)習(xí)有所幫助，也希望大家多多支持腳本之家。

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    對(duì)于不需要任何準(zhǔn)確計(jì)算精度的數(shù)字可以直接使用float或double，但是如果需要精確計(jì)算的結(jié)果，則必須使用BigDecimal類，而且使用BigDecimal類也可以進(jìn)行大數(shù)的操作，下面這篇文章給大家介紹了Java中BigDecimal的加減乘除、比較大小與使用注意事項(xiàng)，需要的朋友可以參考下。
    2017-11-11

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