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
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,设计设计筹码移动源码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JsBarcode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,免费源码材料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",分享茄子源码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luabridge源码名称：");
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("
