【java 商城系统源码】【小米play源码】【源码手赚】课程设计源码

【java 商城系统源码】【小米play源码】【源码手赚】课程设计源码_课程设计源码免费分享网站

2024-11-25 02:05:21 来源：qt经典项目源码分类：娱乐

1.JAVA课程设计计算器的课程课程源代码
2.有没有300行左右的C语言课程设计的源代码
3.网上下载的C课程设计源代码如何能运行出结果啊

课程设计源码_课程设计源码免费分享网站

JAVA课程设计计算器的源代码

比较完整的Java计算器

import javax.swing.*;

import javax.swing.event.*;

import java.awt.*;

import java.awt.event.*;

public class calculator extends JFrame implements ActionListener

{ //这里我把JFrame写成Frame，这个错误找了好久

JFrame frame;

private JButton jia=new JButton("+");

private JButton jian=new JButton("-");

private JButton cheng=new JButton("*");

private JButton chu=new JButton("/");

private JButton qiuyi=new JButton("%");

private JButton deng=new JButton("=");

private JButton fu=new JButton("+/-");

private JButton dian=new JButton(".");

private JButton kai=new JButton("sqrt");

private JButton diao=new JButton("1/x");

private JButton aa=new JButton("A");

private JButton bb=new JButton("B");

private JButton cc=new JButton("C");

private JButton dd=new JButton("D");

private JButton ee=new JButton("E");

private JButton ff=new JButton("F");

private TextField k1=new TextField();

private objConversion convert = new objConversion();

JMenuItem copy,设计设计java 商城系统源码paste,s,t,help,about,me;

JRadioButton sixteen,ten,eight,two;

JButton backspace,ce,c,num0,num1,num2,num3,num4,num5,num6,num7,num8,num9;

Container cp;

JTextField text;

String copycontent="";

boolean clickable=true,clear=true;

int all=0;

double qian;

String fuhao;

int jin=,first=1;

public calculator()

{

setTitle("计算器－杨彩制作");

setSize(,);

setLocation(,);

text=new JTextField();

// text.setEnabled(false);

text.setText("0.");

text.setHorizontalAlignment(JTextField.RIGHT);//从右到左

JPanel cp1=new JPanel();

JPanel cp2=new JPanel();

JPanel cp3=new JPanel();

cp=getContentPane();

cp.add(cp1,"North");

cp.add(cp2,"Center");

cp.add(cp3,"South");

cp1.setLayout(new GridLayout(1,6));

cp2.setLayout(new GridLayout(2,4));

cp3.setLayout(new GridLayout(6,6));

sixteen=new JRadioButton("十六进制");

sixteen.setVisible(false);

ten=new JRadioButton("十进制",true);

ten.setVisible(false);

eight=new JRadioButton("八进制");

eight.setVisible(false);

two=new JRadioButton("二进制");

two.setVisible(false);

sixteen.addActionListener(this);

ten.addActionListener(this);

eight.addActionListener(this);

two.addActionListener(this);

ButtonGroup btg=new ButtonGroup();

btg.add(sixteen);

btg.add(ten);

btg.add(eight);

btg.add(two);

JTextField t3=new JTextField();

cp1.add(text);

// text.setEnabled(false);

text.setEditable(false);

text.setBackground(new Color(, , ));

cp2.add(sixteen);

cp2.add(ten);

cp2.add(eight);

cp2.add(two);

backspace=new JButton("Backspace");

backspace.setForeground(new Color(,0,0));

backspace.addActionListener(this);

ce=new JButton("CE");

ce.setForeground(new Color(,0,0));

ce.addActionListener(this);

c=new JButton("C");

c.setForeground(new Color(,0,0));

c.addActionListener(this);

k1.setVisible(false);

cp2.add(k1);

cp2.add(backspace);

cp2.add(ce);

cp2.add(c);

num0=new JButton("0");

num1=new JButton("1");

num2=new JButton("2");

num3=new JButton("3");

num4=new JButton("4");

num5=new JButton("5");

num6=new JButton("6");

num7=new JButton("7");

num8=new JButton("8");

num9=new JButton("9");

cp3.add(num7);

num7.addActionListener(this);

cp3.add(num8);

num8.addActionListener(this);

cp3.add(num9);

num9.addActionListener(this);

cp3.add(chu);

chu.setForeground(new Color(,0,0));

chu.addActionListener(this);

cp3.add(kai);

kai.addActionListener(this);

cp3.add(num4);

num4.addActionListener(this);

cp3.add(num5);

num5.addActionListener(this);

cp3.add(num6);

num6.addActionListener(this);

cp3.add(cheng);

cheng.setForeground(new Color(,0,0));

cheng.addActionListener(this);

cp3.add(qiuyi);

qiuyi.addActionListener(this);

cp3.add(num1);

num1.addActionListener(this);

cp3.add(num2);

num2.addActionListener(this);

cp3.add(num3);

num3.addActionListener(this);

cp3.add(jian);

jian.setForeground(new Color(,0,0));

jian.addActionListener(this);

cp3.add(diao);

diao.addActionListener(this);

cp3.add(num0);

num0.addActionListener(this);

cp3.add(fu);

fu.addActionListener(this);

cp3.add(dian);

dian.addActionListener(this);

cp3.add(jia);

jia.setForeground(new Color(,0,0));

jia.addActionListener(this);

cp3.add(deng);

deng.setForeground(new Color(,0,0));

deng.addActionListener(this);

cp3.add(aa);

aa.addActionListener(this);

cp3.add(bb);

bb.addActionListener(this);

cp3.add(cc);

cc.addActionListener(this);

cp3.add(dd);

dd.addActionListener(this);

cp3.add(ee);

ee.addActionListener(this);

cp3.add(ff);

ff.addActionListener(this);

aa.setVisible(false);

bb.setVisible(false);

cc.setVisible(false);

dd.setVisible(false);

ee.setVisible(false);

ff.setVisible(false);

JMenuBar mainMenu = new JMenuBar();

setJMenuBar(mainMenu);

JMenu editMenu = new JMenu("编辑");

JMenu viewMenu = new JMenu("查看");

JMenu helpMenu = new JMenu("帮助");

mainMenu.add(editMenu);

mainMenu.add(viewMenu);

mainMenu.add(helpMenu);

copy = new JMenuItem(" 复制");

paste = new JMenuItem(" 粘贴");

KeyStroke copyks=KeyStroke.getKeyStroke(KeyEvent.VK_C,Event.CTRL_MASK);

copy.setAccelerator(copyks);//设置退出菜单选项加上快捷键

KeyStroke pasteks=KeyStroke.getKeyStroke(KeyEvent.VK_V,Event.CTRL_MASK);

paste.setAccelerator(pasteks);//设置退出菜单选项加上快捷键

editMenu.add(copy);

editMenu.add(paste);

copy.addActionListener(this);

paste.addActionListener(this);

t = new JMenuItem("●标准型");

s = new JMenuItem(" 科学型");

viewMenu.add(t);

viewMenu.add(s);

t.addActionListener(this);

s.addActionListener(this);

help = new JMenuItem(" 帮助主题");

about = new JMenuItem(" 关于计算器");

me = new JMenuItem(" 作者主页");

helpMenu.add(help);

helpMenu.add(about);

helpMenu.add(me);

help.addActionListener(this);

about.addActionListener(this);

me.addActionListener(this);

addWindowListener(new WindowDestroyer());//结束窗口

}

public void actionPerformed(ActionEvent e)

{ //响应动作代码

if(first==1)

text.setText("");

first=0;//第一次把文本框0.清空

Object temp = e.getSource();

if(temp==copy)

{

copycontent = text.getText();

}

if(temp==paste)

{

text.setText(text.getText()+copycontent);

}

if(temp==t)

{ //标准

sixteen.setVisible(false);

ten.setVisible(false);

eight.setVisible(false);

two.setVisible(false);

t.setText("●标准型");

s.setText(" 科学型");

aa.setVisible(false);

bb.setVisible(false);

cc.setVisible(false);

dd.setVisible(false);

ee.setVisible(false);

ff.setVisible(false);

}

if(temp==s)

{ //科学

sixteen.setVisible(true);

ten.setVisible(true);

eight.setVisible(true);

two.setVisible(true);

t.setText(" 标准型");

s.setText("●科学型");

aa.setVisible(true);

bb.setVisible(true);

cc.setVisible(true);

dd.setVisible(true);

ee.setVisible(true);

ff.setVisible(true);

aa.setEnabled(false);

bb.setEnabled(false);

cc.setEnabled(false);

dd.setEnabled(false);

ee.setEnabled(false);

ff.setEnabled(false);

}

if(temp==help)

{ //打开系统帮助文件要查资料

try

{

String filePath = "C:/WINDOWS/Help/calc.chm";

Runtime.getRuntime().exec("cmd.exe /c "+filePath);

}

catch(Exception eeee)

{

System.out.println("打开系统的计算器出错");

}

if(temp==about)

{

JOptionPane.showMessageDialog(frame," Java计算器\n 杨彩制作\n\n /m/yangcai","关于计算器",JOptionPane.INFORMATION_MESSAGE); ;

}

if(temp==me)

{

try

{

Process p = Runtime.getRuntime().exec("explorer /m/yangcai");

}

catch(Exception eeee)

{

System.out.println("打开指定网页出错");

}

try

{

if(temp==sixteen)

{

String hex=text.getText();

int inthex=Integer.parseInt(hex,jin);//先把数变为进制

text.setText(convert.decHex(inthex)) ;

jin=;

aa.setEnabled(true);

bb.setEnabled(true);

cc.setEnabled(true);

dd.setEnabled(true);

ee.setEnabled(true);

ff.setEnabled(true);

num2.setEnabled(true);

num3.setEnabled(true);

num4.setEnabled(true);

num5.setEnabled(true);

num6.setEnabled(true);

num7.setEnabled(true);

num8.setEnabled(true);

num9.setEnabled(true);

}

if(temp==eight)

{

String oct =text.getText();

int intoct=Integer.parseInt(oct,jin);

text.setText(convert.decOct(intoct)) ;

jin=8;

aa.setEnabled(false);

bb.setEnabled(false);

cc.setEnabled(false);

dd.setEnabled(false);

ee.setEnabled(false);

ff.setEnabled(false);

num2.setEnabled(true);

num3.setEnabled(true);

num4.setEnabled(true);

num5.setEnabled(true);

num6.setEnabled(true);

num7.setEnabled(true);

num8.setEnabled(false);

num9.setEnabled(false);

}

if(temp==two)

{

String bin=text.getText();

int intbin=Integer.parseInt(bin,jin);

text.setText(convert.decBin(intbin));

jin=2;

aa.setEnabled(false);

bb.setEnabled(false);

cc.setEnabled(false);

dd.setEnabled(false);

ee.setEnabled(false);

ff.setEnabled(false);

num2.setEnabled(false);

num3.setEnabled(false);

num4.setEnabled(false);

num5.setEnabled(false);

num6.setEnabled(false);

num7.setEnabled(false);

num8.setEnabled(false);

num9.setEnabled(false);

}

if(temp==ten)

{

String dec=text.getText();

int intdec=Integer.parseInt(dec,jin);

// text.setText(convert.decDec(intdec)); //本句会把变成

text.setText(intdec+"");

jin=;

aa.setEnabled(false);

bb.setEnabled(false);

cc.setEnabled(false);

dd.setEnabled(false);

ee.setEnabled(false);

ff.setEnabled(false);

num2.setEnabled(true);

num3.setEnabled(true);

num4.setEnabled(true);

num5.setEnabled(true);

num6.setEnabled(true);

num7.setEnabled(true);

num8.setEnabled(true);

num9.setEnabled(true);

}

catch(Exception ee)

{

System.out.println("转换出错,可能你没有输入任何字符");

text.setText("转换出错");

clear=false;

}

if(temp==backspace)

{ //退格

String s = text.getText();

text.setText("");

for (int i = 0; i < s.length() - 1; i++)

{

char a = s.charAt(i);

text.setText(text.getText() + a);

}

if (temp==ce)

{

text.setText("0.");

clear=true;

first=1;

}

if (temp==c)

{

text.setText("0."); ;

clear=true;

first=1;

}

if(temp==num0)

{

if(clear==false)//判断是否点击了符号位

text.setText("");

text.setText(text.getText()+"0");

}

if(temp==num1)

{

if(clear==false)

text.setText("");

text.setText(text.getText()+"1");

clear=true;//第二次不在清空（前二句）

}

if(temp==num2)

{

if(clear==false)

text.setText("");

text.setText(text.getText()+"2");

clear=true;

}

if(temp==num3)

{

if(clear==false)

text.setText("");

text.setText(text.getText()+"3");

clear=true;

}

if(temp==num4)

{

if(clear==false)

text.setText("");

text.setText(text.getText()+"4");

clear=true;

}

if(temp==num5)

{

if(clear==false)

text.setText("");

text.setText(text.getText()+"5");

clear=true;

}

if(temp==num6)

{

if(clear==false)

text.setText("");

text.setText(text.getText()+"6");

clear=true;

}

if(temp==num7)

{

if(clear==false)

text.setText("");

text.setText(text.getText()+"7");

clear=true;

}

if(temp==num8)

{

if(clear==false)

text.setText("");

text.setText(text.getText()+"8");

clear=true;

}

if(temp==num9)

{

if(clear==false)

text.setText("");

text.setText(text.getText()+"9");

clear=true;

}

if(temp==aa)

{

text.setText(text.getText()+"A");

}

if(temp==bb)

{

text.setText(text.getText()+"B");

}

if(temp==cc)

{

text.setText(text.getText()+"C");

}

if(temp==dd)

{

text.setText(text.getText()+"D");

}

if(temp==ee)

{

text.setText(text.getText()+"E");

}

if(temp==ff)

{

text.setText(text.getText()+"F");

}

if(temp==dian)

{

clickable=true;

for (int i = 0; i < text.getText().length(); i++)

if ('.' == text.getText().charAt(i))

{

clickable=false;

break;

} //第一层判断是否里面含有小数点;

if(clickable==true)//第二坛判断

text.setText(text.getText()+".");

}

try

{

if(temp==jia)

{ //加法

qian=Double.parseDouble(text.getText());

fuhao="+";

clear=false;

}

if(temp==jian)

{

qian=Double.parseDouble(text.getText());

fuhao="-";

clear=false;

;

}

if(temp==cheng)

{

qian=Double.parseDouble(text.getText());

fuhao="*";

clear=false;

}

if(temp==chu)

{

qian=Double.parseDouble(text.getText());

fuhao="/";

clear=false;

}

if(temp==deng)

{

double ss=Double.parseDouble(text.getText());

text.setText("");

if(fuhao=="+")

text.setText(qian+ss+"");

if(fuhao=="-")

text.setText(qian-ss+"");

if(fuhao=="*")

text.setText(qian*ss+"");

if(fuhao=="/")

text.setText(qian/ss+"");

clear=false;//要清空前一次的数据

;

}

if(temp==kai)

{

String s = text.getText();

if (s.charAt(0) == '-')

{

text.setText("负数不能开根号");

}

else

text.setText(Double.toString(java.lang.Math.sqrt(Double.parseDouble(text.getText()))));

clear=false;

}

if(temp==diao)

{

if (text.getText().charAt(0) == '0'&&text.getText().length() == 1)

{

text.setText("除数不能为零");

}

else

{

boolean isDec = true;

int i, j, k;

String s = Double.toString(1 / Double.parseDouble(text.getText()));

for (i = 0; i < s.length(); i++)

if (s.charAt(i) == '.')

break;

for (j = i + 1; j < s.length(); j++)

if (s.charAt(j) != '0')

{

isDec = false;

break;

}

if (isDec == true)

{

String stemp = "";

for (k = 0; k < i; k++)

stemp += s.charAt(k);

text.setText(stemp);

}

else

text.setText(s);

}

clear=false;

}

if(temp==qiuyi)

{

text.setText("0");

clear=false;

}

if (temp == fu)

{ //导师，此方法参考书中例子

boolean isNumber = true;

String s = text.getText();

for (int i = 0; i < s.length(); i++)

if (! (s.charAt(i) >= '0' && s.charAt(i) <= '9' || s.charAt(i) == '.' ||

s.charAt(i) == '-'))

{

isNumber = false;

break;

}

if (isNumber == true)

{

//如果当前字符串首字母有'-'号,源码源码小米play源码代表现在是个负数,再按下时,则将首符号去掉

if (s.charAt(0) == '-')

{

text.setText("");

for (int i = 1; i < s.length(); i++)

{

char a = s.charAt(i);

text.setText(text.getText() + a);

}

//如果当前字符串第一个字符不是符号，则添加一个符号在首字母处

else

text.setText('-' + s);

}

catch(Exception eee)

{

System.out.println("运算时,免费源码手赚首先输入数字或字符");

text.setText("运算出错");

clear=false;

}

class WindowDestroyer extends WindowAdapter

{ //退出窗口动作

public void windowClosing(WindowEvent e)

{

System.exit(0);

}

class objConversion

{ //导师,本进制类参考了CSMD类转换例子

public void objConversion ()

{

}

public String decDec (int decNum)

{ //

String strDecNum = Integer.toString(decNum);

for (int i = strDecNum.length(); i < 3; i++)

{

strDecNum = "0" + strDecNum;

}

// return strDecNum;

return invert (strDecNum, 5);

}

public String decHex (int decNum)

{ // to

String strHexNum = "";

int currentNum = 0;

while (decNum != 0)

{

if (decNum > )

{

currentNum = decNum % ;

decNum /= ;

}

else

{

currentNum = decNum;

decNum = 0;

}

switch (currentNum)

{

case : strHexNum += "F";

break;

case : strHexNum += "E";

break;

case : strHexNum += "D";

break;

case : strHexNum += "C";

break;

case : strHexNum += "B";

break;

case : strHexNum += "A";

break;

default: strHexNum += Integer.toString(currentNum);

break;

}

return invert (strHexNum, 2);

}

public String decOct (int decNum)

{ // to 8

String strOctNum = "";

while (decNum != 0)

{

if (decNum > 7)

{

strOctNum += Integer.toString(decNum % 8);

decNum /= 8;

}

else

{

strOctNum += Integer.toString(decNum);

decNum = 0;

}

return invert (strOctNum, 3);

}

public String decBin (int decNum)

{ // to 2

String strBinNum = "";

while (decNum != 0)

{

if (decNum > 1)

{

strBinNum += Integer.toString(decNum % 2);

decNum /= 2;

}

else

{

strBinNum += Integer.toString(decNum);

decNum = 0;

}

return invert (strBinNum, 8);

}

private String invert (String strNum, int minLength) //转换长度

{

String answer = "";

int length = strNum.length();

if (length < minLength)

{

for (int padding = (minLength - length); padding > 0; padding--)

{

answer += "0";

}

for (int i = length; i > 0; i--)

{

answer += strNum.charAt (i - 1);

}

return answer;

}

public static void main(String arg[])//产生窗口

{

calculator win = new calculator();

win.setVisible(true);

}

有没有行左右的C语言课程设计的源代码

#include <stdio.h>

#include <stdlib.h>

#include "windows.h"

#include "string.h"

#define S_MAX

int user_count=0; //用户信息的总数

int book_count=0;

char ini_path[]={ "\0"}; //数据文件的绝对路径

char user_path[]={ "\0"}; //用户数据文件的绝对路径

char book_path[]={ "\0"};

int book_pos=0; //book数组的计数

int user_pos=0;

struct user_data

{

char name[];

char book_name[];

}user[S_MAX];

struct book_data

{

char no[];

char name[];

char author[];

char money[];

char in_or_out[];

char user_name[];

}book[S_MAX];

void read_file() //从文件读取数据

{

user_pos=0;

int i;

for(i=0;i<S_MAX;i++)

{

memset(user[i].name,'\0',);

memset(user[i].book_name,'\0',);

memset(book[i].no,'\0',);

memset(book[i].name,'\0',);

memset(book[i].author,'\0',);

memset(book[i].money,'\0',);

memset(book[i].in_or_out,'\0',);

memset(book[i].user_name,'\0',);

}

user_count=GetPrivateProfileInt("USER","user_count",0,user_path);

book_count=GetPrivateProfileInt("book","book_count",0,book_path);

for(i=0;i<user_count;i++)

{

char t[5]={ "\0"};

sprintf(t,"%d",i+1);

GetPrivateProfileString(t,"name","",user[i].name,,user_path);

GetPrivateProfileString(t,"book_name","",user[i].book_name,,user_path);

user_pos++;

}

for(i=0;i<book_count;i++)

{

char t[5]={ "\0"};

sprintf(t,"%d",i+1);

GetPrivateProfileString(t,"no","",book[i].no,,book_path);

GetPrivateProfileString(t,"name","",book[i].name,,book_path);

GetPrivateProfileString(t,"author","",book[i].author,,book_path);

GetPrivateProfileString(t,"money","",book[i].money,,book_path);

GetPrivateProfileString(t,"in_or_out","",book[i].in_or_out,,book_path);

GetPrivateProfileString(t,"user_name","",book[i].user_name,,book_path);

book_pos++;

}

void write_file()

{

int i;

for(i=0;i<user_count;i++)

{

char t[5]={ "\0"};

sprintf(t,"%d",i+1);

WritePrivateProfileString(t,"name",NULL,user_path);

WritePrivateProfileString(t,"book_name",NULL,user_path);

WritePrivateProfileString(t,"no",NULL,book_path);

WritePrivateProfileString(t,"name",NULL,book_path);

WritePrivateProfileString(t,"author",NULL,book_path);

WritePrivateProfileString(t,"money",NULL,book_path);

WritePrivateProfileString(t,"in_or_out",NULL,book_path);

WritePrivateProfileString(t,"user_name",NULL,book_path);

}

char temp[5]={ "\0"};

int temp_count=0;

for(i=0;i<user_pos;i++)

{

if(strcmp(user[i].name,"")==0)

{

continue;

}

char t[5]={ "\0"};

sprintf(t,"%d",i+1);

WritePrivateProfileString(t,"name",user[i].name,user_path);

WritePrivateProfileString(t,"book_name",user[i].book_name,user_path);

temp_count++;

}

sprintf(temp,"%d",temp_count);

WritePrivateProfileString("USER","user_count",temp,user_path);

temp_count=0;

for(i=0;i<book_pos;i++)

{

if(strcmp(book[i].no,"")==0)

{

continue;

}

char t[5]={ "\0"};

sprintf(t,"%d",i+1);

WritePrivateProfileString(t,"no",book[i].no,book_path);

WritePrivateProfileString(t,"name",book[i].name,book_path);

WritePrivateProfileString(t,"author",book[i].author,book_path);

WritePrivateProfileString(t,"money",book[i].money,book_path);

WritePrivateProfileString(t,"in_or_out",book[i].in_or_out,book_path);

WritePrivateProfileString(t,"user_name",book[i].user_name,book_path);

temp_count++;

}

sprintf(temp,"%d",temp_count);

WritePrivateProfileString("BOOK","book_count",temp,book_path);

}

void search_user_name() //按借书人姓名查询

{

system("cls");

char search_key[]={ "\0"};

printf("请输入要查询图书借书人：");

scanf("%s",search_key);

int i;

int s[]={ -1,-1,-1,-1,-1,-1,-1,-1,-1,-1};

int s_i=0;

int find=0;

for(i=0;i<book_pos;i++)

{

if(strcmp(book[i].user_name,search_key)==0)

{

find=1;

s[s_i]=i;

s_i++;

printf("\n编号: %s",book[i].no);

printf("\n名称: %s",book[i].name);

printf("\n作者: %s",book[i].author);

printf("\n金额: %s",book[i].money);

printf("\n状态: %s",book[i].in_or_out);

printf("\n借书人: %s\n",book[i].user_name);

}

if(find==0)

{

printf("\n\n未找到符合条件的信息！");

}

else

{

for(i=0;i<s_i;i++)

{

printf("\n\n第%d本书: %s",分享Shipyard源码分析i+1,book[i].name);

}

printf("\n\n共%d本",i);

}

fflush(stdin);

getchar();

}

void search_book_author() //按图书作者查询

{

system("cls");

char search_key[]={ "\0"};

printf("请输入要查询图书的作者：");

scanf("%s",search_key);

int i;

int find=0;

for(i=0;i<book_pos;i++)

{

if(strcmp(book[i].author,search_key)==0)

{

find=1;

printf("\n编号: %s",book[i].no);

printf("\n名称: %s",book[i].name);

printf("\n作者: %s",book[i].author);

printf("\n金额: %s",book[i].money);

printf("\n状态: %s",book[i].in_or_out);

printf("\n借书人: %s\n",book[i].user_name);

break;

}

if(find==0)

{

printf("\n\n未找到符合条件的信息！");

}

fflush(stdin);

getchar();

}

void search_book_name() //按图书名称查询

{

system("cls");

char search_key[]={ "\0"};

printf("请输入要查询图书的网站evince 源码解析名称：");

scanf("%s",search_key);

int i;

int find=0;

for(i=0;i<book_pos;i++)

{

if(strcmp(book[i].name,search_key)==0)

{

find=1;

printf("\n编号: %s",book[i].no);

printf("\n名称: %s",book[i].name);

printf("\n作者: %s",book[i].author);

printf("\n金额: %s",book[i].money);

printf("\n状态: %s",book[i].in_or_out);

printf("\n借书人: %s\n",book[i].user_name);

break;

}

if(find==0)

{

printf("\n\n未找到符合条件的信息！");

}

fflush(stdin);

getchar();

}

void search_book_no() //按图书编号查询

{

system("cls");

char search_key[]={ "\0"};

printf("请输入要查询图书的课程课程编号：");

scanf("%s",search_key);

int i;

int find=0;

for(i=0;i<book_pos;i++)

{

if(strcmp(book[i].no,search_key)==0)

{

find=1;

printf("\n编号: %s",book[i].no);

printf("\n名称: %s",book[i].name);

printf("\n作者: %s",book[i].author);

printf("\n金额: %s",book[i].money);

printf("\n状态: %s",book[i].in_or_out);

printf("\n借书人: %s\n",book[i].user_name);

break;

}

if(find==0)

{

printf("\n\n未找到符合条件的信息！");

}

fflush(stdin);

getchar();

}

void search_all_book() //查询所有图书

{

system("cls");

if(book_pos==0)

{

printf("真TM穷,设计设计一本书都没有");

}

else

{

int i;

printf("共有%d本书\n",book_pos);

for(i=0;i<book_pos;i++)

{

printf("\n编号:%s 名称:%s 作者:%s 金额:%s 状态:%s",book[i].no,book[i].name,book[i].author,book[i].money,book[i].in_or_out);

if(strcmp(book[i].in_or_out,"out")==0)

{

printf(" 借书人:%s",book[i].user_name);

}

fflush(stdin);

getchar();

}

void search_all_user() //查询所有用户

{

system("cls");

if(user_pos==0)

{

printf("要倒闭了?一个人都没有!");

}

else

{

int i;

printf("共有%d个用户\n",user_pos);

for(i=0;i<user_pos;i++)

{

printf("\n用户名称: %s 借书名称: ",user[i].name);

if(strcmp(user[i].book_name,"")!=0)

{

printf("%s",user[i].book_name);

}

else

{

printf("未借书");

}

fflush(stdin);

getchar();

}

void No7() //查询

{

int f=1;

int sel;

while(f)

{

system("cls");

printf("

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