evelenth commit

6 years ago · 211d0d534c
parent a1be0034bb
commit 211d0d534c
2 changed files with 326 additions and 16 deletions
--- a/显示函数.c
+++ b/显示函数.c
@ -1,16 +0,0 @@
-void display()
-{
-	FILE *fp;
-	int i,count=0;
-	fp=fopen("data.txt","r");
-	while(!feof(fp))
-	{
-		if(fread(&addrinfo[count],LEN,1,fp)==1) 
-		count++;
-	}	 
-	fclose(fp);
-	printf("name        occupation         telephone     email         address\t\n");
-	for(i=0;i<count;i++)
-	printf(FORMAT,DATA);	
-}
-
--- a/课程设计源代码_通讯录管理系统_计算机类1812_18408001236_李霖.c
+++ b/课程设计源代码_通讯录管理系统_计算机类1812_18408001236_李霖.c
@ -0,0 +1,326 @@
+#include<stdio.h>
+#include<stdlib.h>
+#include<conio.h> 
+#include<dos.h>
+#include<string.h> 
+#define LEN sizeof(struct addritem)
+#define FORMAT "%-15s%-20s%-10s%-15s%-30s%\n"//规定输出格式 
+#define DATA addrinfo[i].name,addrinfo[i].occu,addrinfo[i].tel,addrinfo[i].email,addrinfo[i].address//结构体数组元素中所有成员，方便引用 
+struct addritem
+{ 	
+	char name[10];
+	char occu[10];
+	char address[35];
+	char tel[15];
+	char email[25];
+};
+struct addritem addrinfo[100]; 
+void input();
+void search();
+void update();
+void del();
+void display();
+void sort();
+void menu();
+
+void menu()
+{
+	system("cls"); 
+	printf("\n\n\n\n\n");
+	printf("\t\t|----------contact--------|\n");
+	printf("\t\t|0.exit                   |\n");
+	printf("\t\t|1.input record           |\n");
+	printf("\t\t|2.search record          |\n");
+	printf("\t\t|3.update record          |\n");
+	printf("\t\t|4.delete record          |\n");	
+	printf("\t\t|5.sort                   |\n");
+	printf("\t\t|6.display                |\n");
+	printf("\t\t|-------------------------|\n\n");
+	printf("\t\t\tchoose(0-6):");
+}
+
+int main() 
+{ 
+int n;
+menu();
+scanf("%d",&n);
+while(n)
+	{
+		switch(n)
+		{	case 1: input(); break;
+			case 2: search(); break;
+			case 3: update(); break;
+			case 4: del(); break;
+			case 5: sort(); break;
+			case 6: display(); break;
+			default:break;
+		}
+	getch();
+	menu();
+	scanf("%d",&n);
+	}
+}
+void input()
+{
+	int i,count=0;//count用来记录通讯录中联系人的个数 
+	char ch[2];//用来记录用户的输入 
+	FILE *fp;
+	if((fp=fopen("data.txt","a+"))==NULL)//创建一个文件，如果文件打开失败则返回空值 
+	{
+		printf("can not open\n");
+		return;
+	}
+	while(!feof(fp))//判断文件是否结束，如果没有调用fread函数统计记录条数  
+	{
+		if(fread(&addrinfo[count],LEN,1,fp)==1)//LEN统计结构体类型addritem中变量所有成员的长度，即所占的字节数 
+		count++;
+	} 
+	fclose(fp);
+	if(count==0)
+		printf("No contact record!\n");
+	else 
+	{	
+		system("cls");
+		display();
+	}
+	if((fp=fopen("data.txt","wb"))==NULL)
+		{
+		printf("can not open!\n");
+		return; 
+		}
+	for(i=0;i<count;i++)
+	fwrite(&addrinfo[i],LEN,1,fp);//将addrinfo的结构体数组写入磁盘文件 
+	printf("please input(y/n)");
+	scanf("%s",ch);
+	while(strcmp(ch,"y")==0||(ch,"Y")==0)//字符串的比较函数 
+	{		printf("name:");
+		scanf("%s",&addrinfo[count].name);//count变量记录结构体数组当前 可以输入的位置 
+		for(i=0;i<count;i++)
+		if(strcmp(addrinfo[i].name,addrinfo[count].name)==0)
+		{	printf("the name already exists,press any key to continue.");
+			getch();
+			fclose(fp);
+			return;
+		} //若通讯录找不到联系人就输入其他信息 
+		printf("occupation:");	
+		scanf("%s",&addrinfo[count].occu);
+		printf("telephone:");
+		scanf("%s",&addrinfo[count].tel);
+		printf("address:");
+		scanf("%s",&addrinfo[count].address);
+		printf("email:");
+		scanf("%s",&addrinfo[count].email);
+		if(fwrite(&addrinfo[count],LEN,1,fp)!=1)//新录入的联系人信息写入磁盘文件 
+		{printf("can not save thr record!");
+		getch();
+		}
+		else
+		{printf("%s saved!\n",addrinfo[count].name);
+			count++;
+		}
+		printf("continue?(y/n):");
+		scanf("%s",ch);
+	}
+		fclose(fp);
+		printf("ok\n");
+}
+
+void search()
+{
+	FILE *fp;
+	int i,count=0;
+	char ch[2],name[15];
+	if((fp=fopen("data.txt","r"))==NULL)
+	{
+		printf("can not open\n");
+		return;
+	 } 
+	 while(!feof(fp))//判断是否到达文件尾部，如果文件没有结束使用if语句读取 
+	 {
+		if(fread(&addrinfo[count],LEN,1,fp)==1)
+	 	count++; 
+	 }
+	  fclose(fp);
+	  if(count==0)
+	  {
+	  	printf("no record\n");
+	  	return;
+	  } 
+	printf("please input the name:");
+	scanf("%s",name);
+	for(i=0;i<count;i++)
+	if(strcmp(name,addrinfo[i].name)==0)
+	{
+		printf("find the contact,display?(y/n)");
+		scanf("%s",ch);
+		if(strcmp(ch,"Y")==0||strcmp(ch,"y")==0)
+		{
+			printf("name       occupation          telephone   email       addresse\t\n");
+			printf(FORMAT,DATA);
+		}break;
+	}
+}
+void update()
+{
+	FILE *fp;
+	int i,j,count=0;
+	char name[15];
+	if((fp=fopen("data.txt","r+"))==NULL)
+	{
+		printf("can not open");
+		return;
+	}
+	while(!feof(fp)){
+		printf("%d",count);
+		if(fread(&addrinfo[count],LEN,1,fp)==1)
+		count++;
+	}
+	if(count==0)
+	{
+		printf("no record\n");
+		fclose(fp);
+		return;
+	}
+	display();
+	printf("please input the name of the contact which you want to update\n");
+	printf("update name:");
+	scanf("%s",&name);
+	for(i=0;i<count;i++)
+	{	if(strcmp(name,addrinfo[i].name)==0)
+		{printf("find the contact!you can update!\n");
+		printf("name:");
+		scanf("%s",&addrinfo[i].name);
+		printf("occuption:");
+		scanf("%s",&addrinfo[i].occu);
+		printf("telephone：");
+		scanf("%s",&addrinfo[i].tel);
+		printf("email:");
+		scanf("%s",&addrinfo[i].email);
+		printf("address:");
+		scanf("%s",&addrinfo[i].address); 
+		printf("update successful");//信息在数组中进行修改，需将信息写回磁盘中
+		if((fp=fopen("data.txt","wb"))==NULL) 
+		{
+			printf("can not open\n");
+			return;
+		}
+		for(j=0;j<count;j++)
+		if(fwrite(&addrinfo[j],LEN,1,fp)!=1)
+			{
+			printf("can not save!");
+			getch();
+			}
+			fclose(fp);
+			return;
+		} 
+	}printf("not find contact");//若未找到联系人信息 
+}
+
+void  del()
+{
+	FILE *fp;
+	int i,j,count=0;
+	char ch[2];
+	char name[15];
+	if((fp=fopen("data.txt","r+"))==NULL)
+	{
+		printf("can not open\n");
+		return;
+	}
+	while(!feof(fp))
+		if(fread(&addrinfo[count],LEN,1,fp)==1)
+		count++;
+		fclose(fp);
+	if(count==0)
+	{
+		printf("no record!\n");
+		return;
+	}
+	display();
+	printf("please input the name");
+	scanf("%s",&name);
+	for(i=0;i<count;i++)
+	{
+		if(strcmp(name,addrinfo[i].name)==0)
+		{
+			printf("find the contact,del?(y\n)");
+			scanf("%s",ch);
+			if(strcmp(ch,"Y")||strcmp(ch,"y")==0)
+			for(j=i;j<count;j++)//i为所需删的联系人，需将i后的联系人都前移一个位置 
+			addrinfo[j]=addrinfo[j+1];
+			count--;
+			if((fp=fopen("data.txt","w"))==NULL)
+			{
+				printf("can not open");
+				return;
+			}for(j=0;j<count;j++)
+			if(fwrite(&addrinfo[j],LEN,1,fp)!=1)
+			{
+				printf("can not save!\n");
+				getch();
+			}
+			fclose(fp);
+			printf("del successfully!\n");
+			return;
+		}
+	} 
+	printf("not find the contact");
+}
+void sort()
+{
+	FILE *fp;
+	struct addritem t;
+	int i,j,count=0;
+	if((fp=fopen("data.txt","r+"))==NULL)
+	{
+		printf("can not open\n");
+		return;
+	}
+	while(!feof(fp))
+	if(fread(&addrinfo[count],LEN,1,fp)==1)
+	count++;
+	fclose(fp);
+	if(count==0)
+	{
+		printf("no record!\n");
+		return;
+	}
+	for(i=0;i<count-1;i++)
+	for(j=i+1;j<count;j++)
+	 if(strcmp(addrinfo[i].name,addrinfo[j].name)>0)
+	 {
+	 	t=addrinfo[i];
+	 	addrinfo[i]=addrinfo[j];
+	 	addrinfo[j]=t;
+	 }
+	 if((fp=fopen("data.txt","w"))==NULL)
+	{
+		printf("can not open\n");
+		return;
+	}
+	for(i=0;i<count;i++)
+	if(fwrite(&addrinfo[i],LEN,1,fp)!=1)
+	{
+		printf("can not save!\n");
+		getch();
+	}
+	fclose(fp);
+	printf("successfully!\n");
+}
+void display()
+{
+	FILE *fp;
+	int i,count=0;
+	fp=fopen("data.txt","r");
+	while(!feof(fp))
+	{
+		if(fread(&addrinfo[count],LEN,1,fp)==1) 
+		count++;
+	}	 
+	fclose(fp);
+	printf("name        occupation         telephone     email         address\t\n");
+	for(i=0;i<count;i++)
+	printf(FORMAT,DATA);	
+}
+
+