#include <stdio.h>
struct Student

{
int num
char name[20]
float score[3]
float avg
}stus[30]
void Add()//填加学员
void List()//学员详细列表
void Asc()//显示后三名学员
void Desc()//显示前三名学员
void Display()
void main()
{
int s
while(1)
{
printf("学员管理系统:n")
printf("1、增加学员n")
printf("2、学员详细列表n")
printf("3、显示前三名n")
printf("4、显示后三名n")
printf("5、显示平均成绩n")
printf("6、退出n")
printf("请选择:")
scanf("%d",&s)
switch(s)
{
case 1:
Add()
break
case 2:
List()
break
case 3:
Desc()
Display()
break
case 4:
Asc()
Display()
break
case 5:
Display()
break
case 6:
return
break
default:
printf("选择错误!n")
break
}
}
}
void Add()
{
int i,k
float sum
char c
for(i=0i<30i++)
{
printf("请输入第%d个学员信息:n",i+1)
printf("学号:")
scanf("%d",&stus[i].num)
printf("姓名:")
fflush(stdin)
scanf("%s",stus[i].name)
printf("请输入三门课的成绩:n")
sum=0
for(k=0k<3k++)
{
printf("%d:",k+1)
scanf("%f",&stus[i].score[k])
sum+=stus[i].score[k]
}
stus[i].avg=sum/3
printf("是否继续?")
fflush(stdin)
scanf("%c",&c)
if(c=='n' || c=='N')
return
}
}
void List()
{
int i,j=0
printf("学号t姓名t成绩1t成绩2t成绩3t平均n")
for(i=0i<30i++)
{
if(stus[i].num!=0)
{
printf("%dt%st%.2ft%.2ft%.2ft%.2fn",stus[i].num,stus[i].name,stus[i].score[0],stus[i].score[1],stus[i].score[2],stus[i].avg)
}
}
}
void Asc()
{
int i,j
struct Student c
for(i=0i<30i++)
{ for(j=0j<29-ij++)
if(stus[j].avg<stus[j+1].avg)
{
c=stus[j]
stus[j]=stus[j+1]
stus[j+1]=c
}
}
}
void Desc()
{
int i,j
struct Student c
for(i=0i<30i++)
{ for(j=0j<29-ij++)
if(stus[j].avg>stus[j+1].avg)
{
c=stus[j]
stus[j]=stus[j+1]
stus[j+1]=c
}
}
}
void Display()
{
int i,d=0
printf("学号t姓名t平均n")
for(i=0i<30i++)
{
if(stus[i].num!=0)
{
printf("%dt%st%.2fn",stus[i].num,stus[i].name,stus[i].avg)
d++
}
if(d==3)
break
}
}
看看我写的这个!
php学生管理系统源码,供大家参考,具体内容如下
功能:
1.添加/删除/修改
2.数据存储.
界面分布:
index.php
--->主界面
add.php --->stu添加
action --->sql中add/del/update
(处理html表单-->mysql的数据存储 && 页面跳转)
edit.php --->stu修改
menu.php
-->首页
1. index.php
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<title>学生信息管理</title>
<script>
function doDel(id) {
if(confirm('确认删除?')) {
window.location='action.php?action=del&id='+id
}
}
</script>
</head>
<body>
<center>
<?php
include ("menu.php")
?>
<h3>浏览学生信息</h3>
<table width="500" border="1">
<tr>
<th>ID</th>
<th>姓名</th>
<th>性别</th>
<th>年龄</th>
<th>班级</th>
<th>操作</th>
</tr>
<?php
//1. 链接数据库
try{
$pdo = new PDO("uri:mysqlPdo.ini","root","1")
}catch (PDOException $e) {
die('connection failed'.$e->getMessage())
}
//2.执行sql
$sql_select = "select * from stu"
//3.data 解析
foreach ( $pdo->query($sql_select) as $row) {
echo "<tr>"
echo "<th>{$row['id']} </th>"
echo "<th>{$row['name']}</th>"
echo "<th>{$row['sex']} </th>"
echo "<th>{$row['age']} </th>"
echo "<th>{$row['classid']}</th>"
echo "<td>
<a href='edit.php?id={$row['id']}'>修改</a>
<a href='javascript:void(0)' onclick='doDel({$row['id']})'>删除</a>
</td>"
echo "</tr>"
}
>
</table>
</center>
</body>
</html>
2. add.php
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<title>学生管理系统</title>
</head>
<body>
<center>
<?php include ('menu.php')?>
<h3>增加学生信息</h3>
<form action="action.php?action=add" method="post">
<table>
<tr>
<td>姓名</td>
<td><input type="text" name="name"></td>
</tr>
<tr>
<td>年龄</td>
<td><input type="text" name="age"></td>
</tr>
<tr>
<td>性别</td>
<td><input type="radio" name="sex" value="男">男</td>
<td><input type="radio" name="sex" value="女">女</td>
</tr>
<tr>
<td>班级</td>
<td><input type="text" name="classid"></td>
</tr>
<tr>
<!--<td></td>-->
<td><a href="index.php">返回</td>
<td><input type="submit" value="添加"></td>
<td><input type="reset" value="重置"></td>
</tr>
</table>
</form>
</center>
</body>
</html>
3. action.php
<?php
//1. 链接数据库
try{
$pdo = new PDO("uri:mysqlPdo.ini","root","1")
}catch (PDOException $e) {
// echo 'Connection failed: ' . $e->getMessage()
die('connection failed'.$e->getMessage())
}
//2.action 的值做对操作
switch ($_GET['action']){
case 'add'://add
$name = $_POST['name']
$sex = $_POST['sex']
$age = $_POST['age']
$classid = $_POST['classid']
$sql = "insert into stu (name, sex, age, classid) values ('{$name}', '{$sex}','{$age}','{$classid}')"
$rw = $pdo->exec($sql)
if ($rw >0){
echo "<script>alter('添加成功')</script>"
}else{
echo "<script>alter('添加失败')</script>"
}
header('Location: index.php')
break
case 'del'://get
$id = $_GET['id']
$sql = "delete from stu where id={$id}"
$rw = $pdo->exec($sql)
if ($rw >0){
echo "<script>alter('删除成功')</script>"
}else{
echo "<script>alter('删除失败')</script>"
}
header('Location: index.php')
break
case 'edit'://post
$id = $_POST['id']
$name = $_POST['name']
$age = $_POST['age']
$classid = $_POST['classid']
$sex = $_POST['sex']
//echo $id, $age, $age, $name
$sql = "update stu set name='{$name}', age={$age},sex='{$sex}',classid={$classid} where id={$id}"
//$sql = "update myapp.stu set name='jike',sex='女', age=24,classid=44 where id=17"
print $sql
$rw = $pdo->exec($sql)
if ($rw >0){
echo "<script>alter('更新成功')</script>"
}else{
echo "<script>alter('更新失败')</script>"
}
header('Location: index.php')
break
default:
header('Location: index.php')
break
}
4.edit.php
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<title>学生管理系统</title>
</head>
<body>
<center>
<?php include ('menu.php')
//1. 链接数据库
try{
$pdo = new PDO("uri:mysqlPdo.ini","root","1")
}catch (PDOException $e) {
die('connection failed'.$e->getMessage())
}
//2.执行sql
$sql_select = "select * from stu where id={$_GET['id']}"
$stmt = $pdo->query($sql_select)
if ($stmt->rowCount() >0) {
$stu = $stmt->fetch(PDO::FETCH_ASSOC)// 解析数据
}else{
die("no have this id:{$_GET['id']}")
}
?>
<h3>修改学生信息</h3>
<form action="action.php?action=edit" method="post">
<input type="hidden" name="id" value="<?php echo $stu['id']?>">
<table>
<tr>
<td>姓名</td>
<td><input type="text" name="name" value="<?php echo $stu['name']?>"></td>
</tr>
<tr>
<td>年龄</td>
<td><input type="text" name="age" value="<?php echo $stu['age']?>"></td>
</tr>
<tr>
<td>性别</td>
<td>
<input type="radio" name="sex" value="男" <?php echo ($stu['sex'] == "男")? "checked":""?>>男
</td>
<td>
<input type="radio" name="sex" value="女" <?php echo ($stu['sex'] == "女")? "checked":""?>>女
</td>
</tr>
<tr>
<td>班级</td>
<td><input type="text" name="classid" value="<?php echo $stu['classid']?>"></td>
</tr>
<tr>
<td></td>
<td><input type="submit" value="更新"></td>
<td><input type="reset" value="重置"></td>
</tr>
</table>
</form>
</center>
<?php
>
</body>
</html>
5. menu.php
<!DOCTYPE html>
<html lang="en">
<body>
<h2>学生管理系统</h2>
<a href="index.php">浏览学生</a>
<a href="add.php">添加学生</a>
<hr>
</body>
</html>
方法一:
1、创建一个c语言项目。然后右键头文件,创建一个Stu的头文件。
2、然后编写头文件的代码。再将数据结构的增删改查和结构体写入头文件。
3、然后在源文件中创建main源文件和Stu源文件。再main文件中写入intmian()代码。
4、然后在mian主函数中,写入while语句无限循环。再写入Init函数。
5、在Stu源文件的Init函数用printf语句,将学生管理系统输出。再创建链表的头节点head。
6、然后用switch函数对操作进行判断。再执行数据结构的增删改查功能。这样一个学生管理系统的基本框架就完成了。
方法二:
1、新建一个学生实体类,用于存放学生的各项信息。
2、新建一个链表节点类,每个节点存放一个学生信息及下一个节点的引用。
3、添加一个主操作类,并添加本系统的菜单方法。
4、定义链表的头节点,当前最后一个节点,以及主控制逻辑信息。
5、使用io流逐行读取存有学生信息的文本文件,对每行字符串,采用t分割后得到一个字符串数组,数据各项即为一个学生的具体信息。然后新建一个节点加入到链表。
6、运行结果:
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("系统")
JMenu m2 = new JMenu("基本信息")
JMenu m3 = new JMenu("成绩")
JMenu m4 = new JMenu("奖惩")
mb.add(m1)
mb.add(m2)
mb.add(m3)
mb.add(m4)
jm11 = new JMenuItem("退出系统")
jm21 = new JMenuItem("输入")
jm22 = new JMenuItem("查询")
jm23 = new JMenuItem("更改")
jm31 = new JMenuItem("输入成绩")
jm32 = new JMenuItem("查询成绩")
jm41 = new JMenuItem("奖励")
jm42 = new JMenuItem("处分")
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("输入")
jb2 = new JButton(i2)
jb2.setToolTipText("查询")
jb3 = new JButton(i3)
jb3.setToolTipText("退出")
JToolBar tb = new JToolBar("系统工具")
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("学生信息管理平台",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("输入学生信息")
}
else if(e.getSource() == jm22 || e.getSource() == jb2){
if(sp == null){
sp= new SelectPanel()
pframe.add(sp,"select")
}
clayout.show(pframe, "select")
this.setTitle("查询学生信息")
}
else if(e.getSource() == jm11 || e.getSource() == jb3){
System.exit(0)
}
}
}
第二个:
import javax.swing.Jframe
public class MainTest {
public static void main(String [] args){
Mainframe f = new Mainframe("学生信息管理平台")
f.setSize(400,300)
f.setLocation(350,250)
f.setDefaultCloseOperation(Jframe.EXIT_ON_CLOSE)
f.setVisible(true)
}
}
第二个:
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("建立数据库连接遇到异常!")
}
return con
}
}
第四个:
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("请输入学号:",SwingConstants.CENTER)
jt = new JTextField()
jb = new JButton("确定")
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("学号:",SwingConstants.CENTER)
j2 = new JLabel("姓名:",SwingConstants.CENTER)
j3 = new JLabel("性别:",SwingConstants.CENTER)
j4 = new JLabel("年龄:",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("查询学生信息遇到异常!")
}
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, "无此学生!")
}
}
}
}
第五个:
import javax.swing.Jframe
public class SelectTest {
public static void main(String [] args){
Jframe f = new Jframe("查询学生信息")
SelectPanel p = new SelectPanel()
f.add(p)
f.setSize(400,300)
f.setLocation(300,250)
f.setDefaultCloseOperation(Jframe.EXIT_ON_CLOSE)
f.setVisible(true)
}
}
第六个:
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("插入数据库遇到异常!")
}
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
}
}
数据库你自己弄吧,我没时间弄了!初学得多动手哦
URP高校教务管理系统(University Educational Administration System,简称UEAS),数字化校园核心业务系统之一,集Client/Server和Browser/Web Server技术于一体,涉及教务、教学管理各环节,面向学校各部门以及各层次用户的大型集成教务管理信息系统。
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