From a020f7c8bec89e7143e9f7f77f99d529b4a9bbc9 Mon Sep 17 00:00:00 2001
From: ljc990211 <2104054783@qq.com>
Date: Fri, 11 Jan 2019 21:55:08 +0800
Subject: [PATCH] third commit

---
 附件.txt | 735 +++++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 735 insertions(+)
 create mode 100644 附件.txt

diff --git a/附件.txt b/附件.txt
new file mode 100644
index 0000000..e6f215f
--- /dev/null
+++ b/附件.txt
@@ -0,0 +1,735 @@
+#include<stdio.h>
+#include<stdlib.h>
+#include<string.h> 
+typedef struct 
+	{
+		char name[20];							//ѧÉúÐÕÃû 
+		char xuehao[20];						//ѧÉúѧºÅ 
+		char phone[20];							//ѧÉúÊÖ»úºÅ 
+		char qq[20];							//ѧÉúQQºÅ 
+		int score[3];							//ѧÉúµÄÈýÃſγɼ¨ 
+		int sum;								//ѧÉúÈýÃſγɼ¨µÄ×ÜºÍ 
+	}STU;
+int addstu();									//ÔöÌíѧÉúÐÅÏ¢ 
+void stupaixu();								//½«Ñ§ÉúÐÅÏ¢°´·ÖÊýÓɸߵ½µÍÏÔʾ 
+int xhcz();										//ÓÃѧºÅ½øÐвéÕÒ 
+int namecz();									//ÓÃÐÕÃû²éѯ 
+int xxxg();										//ËÑË÷ѧºÅ£¬²¢¶Ô¸ÃÉúµÄÐÅÏ¢½øÐÐÐÞ¸Ä 
+int shanchu();									//ËÑË÷ѧºÅ£¬É¾³ý¸ÃÉúËùÓÐÐÅÏ¢ 
+void fsdxs();									//·ÖÊý¶ÎÏÔʾ ³É¼¨ 
+int menu();										//²Ëµ¥º¯Êý 
+int stdk();										//ѧÉú¶Ë¿Ú½çÃæ 
+int	tedk();										//½Ìʦ¶Ë¿Ú½çÃæ 
+
+int main()
+{
+	system("color f1");							//°üº¬ÓÚÍ·Îļþ <stdlib.h> Á½¸ö16½øÖƵÄÊýÀ´»»ÑÕÉ«£¬µÚÒ»¸öÊDZ³¾°ÑÕÉ«£¬µÚ¶þ¸öÊÇ×ÖÌåÑÕÉ« 
+	menu();										//µ÷Óò˵¥½çÃ溯Êý 
+	for(;;)
+	{
+		switch(menu())							//½«²Ëµ¥½çÃæ Óû§ÊäÈëµÄÐèÇó·µ»ØÖµ½øÐÐÑ¡Ôñ 
+		{
+			case 1:
+				printf("\n\t\tÕýÔÚ½øÈëѧÉú½çÃæ\n\n\t\t");					
+				system("cls");					//ÏÈÇåÆÁ 
+				stdk();							//ÔÙµ÷Óú¯Êý£¬ÏÔʾ½çÃæ 
+				system("pause");				//½«ÏÔʾµÄ½çÃæ¹Ì¶¨×¡ 
+				break;
+			case 2:
+				printf("\n\t\tÕýÔÚ½øÈë½Ìʦ½çÃæ\n\n\t\t");
+				system("cls");					//ÏÈÇåÆÁ 
+				tedk();							//ÔÙµ÷Óú¯Êý£¬ÏÔʾ½çÃæ 
+				system("pause");				//½«ÏÔʾµÄ½çÃæ¹Ì¶¨×¡		
+				break;
+			case 0:
+				printf("\n\t\t»¶Ó­ÔÙ´ÎʹÓã¡\n\n\t\t");
+				system("pause");
+				exit(0);
+		}
+	}	
+	return 0;
+}
+
+int menu()										//²Ëµ¥º¯Êý 
+{	
+	char xuanze;		//¶¨ÒåÒ»¸ö ×Ö·ûÐÍ µÄ"Ñ¡Ôñ"£¬ ÓÃÓÚ½ÓÊÕÓû§µÄÐèÇó 
+	int xz;				//¶¨ÒåÒ»¸ö ÕûÐÍ	  µÄ"Ñ¡Ôñ"£¬ ×÷Ϊ ×Ö·ûÐÍÑ¡ÔñµÄ ·µ»ØÖµ 
+	do
+	{
+		system("cls");							//ÇåÆÁ 
+		printf("\n\t\t************ºþÄϹ¤Òµ´óѧÐÅÏ¢¹ÜÀíϵͳ************\n");
+		printf("\t\t*©°-------------------------------------------©´ *\n");
+		printf("\t\t*©¦              ÇëÎÊÄúµÄÉí·ÝÊÇ£º             ©¦ *\n");
+		printf("\t\t*©¦              1.ѧÉú                       ©¦ *\n");
+		printf("\t\t*©¦              2.½Ìʦ                       ©¦ *\n");
+		printf("\t\t*©¦              0.Í˳ö                       ©¦ *\n");
+		printf("\t\t*©¸-------------------------------------------©¼ *\n");
+		printf("\t\t************************************************\n");
+		printf("\t\tÇëÄúÑ¡Ôñ(0-2):"); 
+		fflush(stdin);							//·ÀÖ¹Óû§Ò»´ÎÐÔÊäÈë¶à¸ö×Ö·û 
+		scanf("%c", &xuanze);   				//²é¿´Óû§µÄÉí·Ý£¬½øÈëÏÂÒ»½çÃæ 
+	}while(xuanze<'0' || xuanze>'2');			//¼ì²éÊäÈëÊÇ·ñ·ûºÏ¹æ·¶
+	xz = xuanze-'0';							//½«×Ö·ûÐ͵ÄÑ¡Ôñת»»³ÉÕûÐÍ 
+	switch(xz)									//½«ÕûÐÍ·µ»ØÖµ½øÐÐ "Ñ¡Ôñ"
+	{
+		case 1:
+			printf("\n\t\tÕýÔÚ½øÈëѧÉú½çÃæ\n\n\t\t");					
+			system("cls");					//ÏÈÇåÆÁ 
+			stdk();							//ÔÙµ÷Óú¯Êý£¬ÏÔʾ½çÃæ 
+			system("pause");				//½«ÏÔʾµÄ½çÃæ¹Ì¶¨×¡ 
+			break;
+		case 2:
+			printf("\n\t\tÕýÔÚ½øÈë½Ìʦ½çÃæ\n\n\t\t");
+			system("cls");					//ÏÈÇåÆÁ 
+			tedk();							//ÔÙµ÷Óú¯Êý£¬ÏÔʾ½çÃæ 
+			system("pause");				//½«ÏÔʾµÄ½çÃæ¹Ì¶¨×¡		
+			break;
+		case 0:
+			printf("\n\t\t»¶Ó­ÔÙ´ÎʹÓã¡\n\n\t\t");
+			system("pause");
+			exit(0);
+	}	
+}
+
+int addstu()									//ÔöÌíѧÉúÐÅÏ¢ 
+{
+	FILE *fp1=NULL, *fp=NULL;				//¶¨ÒåÁ½¸öÎļþÖ¸Õë 
+	STU st[1000];							//¶¨ÒåÒ»¸öÁãʱ½á¹¹ÌåÊý×飬ÓÃÀ´´æ´¢´ÓÎļþ¶ÁÈëµÄѧÉúÐÅÏ¢ 
+	int n, k=0, q;							// n ÓÃÀ´´æ´¢ÐèÒªÌí¼ÓµÄѧÉúÈËÊý 
+											// k ÓÃÀ´¼ÆËãÔ­ÎļþÖеÄѧÉú×ÜÊý
+											// q ÓÃÀ´×öÑ­»·µÄÕûÐͱäÁ¿ 
+	char names[20]; 						//¶¨ÒåÁãʱÐÕÃû×Ö·û´®£¬ÓÃÓÚÁãʱ´æ´¢Ñ§ÉúÐÕÃû 
+	char xuehaos[20];						//¶¨ÒåÁãʱѧºÅ×Ö·û´®£¬ÓÃÓÚÁãʱ´æ´¢Ñ§ÉúѧºÅ 
+	if((fp1 = fopen("xsxx.txt","r"))==NULL)
+	{
+		printf("\n\t\tError\n\n\t\t");
+		exit(0);
+	}
+	while(!feof(fp1))
+	{
+		fscanf(fp1,"%s %s %s %s %d %d %d %d",&st[k].name,&st[k].xuehao,&st[k].phone,&st[k].qq,&st[k].score[0], &st[k].score[1],&st[k].score[2],&st[k].sum);
+		k++;								//ÿ¶ÁÈëÒ»¸öѧÉúÐÅÏ¢£¬Ñ§Éú×ÜÊý¼ÓÒ» 
+	}
+	fclose(fp1);  
+	printf("\n\t\tÇëÊäÈëÒªÔöÌíµÄѧÉúÈËÊý:\n\n\t\t");
+	scanf("%d",&n);							//¶ÁÈëÐèÒªÌí¼ÓµÄѧÉúÈËÊý 
+	system("cls");
+	for(int i=0; i<n; i++)
+	{
+		if((fp = fopen("xsxx.txt","a+"))==NULL)	//ÒÔ "a+" µÄ·½Ê½´ò¿ªÎļþ£¬Ìí¼ÓѧÉúÐÅÏ¢ 
+		{
+		printf("Error\n");
+		exit(0);
+		}
+		printf("\n\t\tÇëÊäÈëѧÉúÐÕÃû:\n\n\t\t"); 
+		fflush(stdin);
+		scanf("%s",&names);
+		printf("\n\t\tÇëÊäÈëѧÉúѧºÅ:\n\n\t\t");
+		fflush(stdin); 
+		scanf("%s",&xuehaos);				//¶ÁÈëÁãʱѧºÅ£¬ÓëÔ­ÎļþÖеÄËùÓÐѧÉúѧºÅ½øÐбȶԣ¬Èç¹û²»Î¨Ò»Ôò²»ÄÜÌí¼Ó 
+		for(q=0; q<=k; q++)
+		{
+			if(strcmp(xuehaos,st[q].xuehao)==0)		//½«Óû§ÊäÈëµÄѧºÅÓëÔ­ÎļþÖеÄѧºÅ½øÐÐ±È¶Ô 
+			{
+				printf("\n\t\t¸ÃѧºÅÒÑ´æÔÚ£¬ÎÞ·¨Ìí¼Ó!!!\n\n\t\t");
+				printf("\n\t\t½«·µ»ØÉÏÒ»½çÃæ\n\n\t\t"); 
+				fclose(fp);
+				system("pause");			//ÒªÈÃÓû§ÖªµÀΪʲô²»ÄÜÌí¼Ó£¬ËùÒÔÔÝͣһϠ
+				system("cls");
+				return main();				//Óû§ÖªµÀÁ˾ͿÉÒÔ·µ»ØÖ÷½çÃæÁË 
+			}
+		}
+		fprintf(fp,"%s ",names);			//Èç¹ûÐÂÌí¼ÓµÄѧºÅÊÇΨһµÄ£¬Ò»´ÎÐÔ½«ÐÂѧÉúµÄ  
+		fprintf(fp,"%s ",xuehaos);			// "ÐÕÃû" ºÍ "ѧºÅ" ¶¼´æµ½ÎļþÖÐÈ¥ 
+		printf("\n\t\tÇëÊäÈëѧÉúÊÖ»úºÅ:\n\n\t\t"); 
+		fflush(stdin);						//ÿһ´ÎÊäÈëÇ°¶¼ÒªÇå¿Õ»º´æÇø£¬·ÀÖ¹·¢ÉúÒâÍâÇé¿ö 
+		scanf("%s",&st[i].phone);			//ÔÚÈ·¶¨¹ýѧºÅΨһ֮ºó£¬¾Í¿ÉÒÔ½«ÒÔϵÄÐÅÏ¢Ö±½ÓдÈëÎļþÁË 
+		fprintf(fp,"%s ",st[i].phone);
+		
+		printf("\n\t\tÇëÊäÈëѧÉúQQºÅ:\n\n\t\t"); 
+		fflush(stdin);
+		scanf("%s",&st[i].qq);
+		fprintf(fp,"%s ",st[i].qq);
+		
+		printf("\n\t\tÇëÊäÈëѧÉúÈýÃſεijɼ¨:\n\n\t\t"); 
+		fflush(stdin);
+		scanf("%d %d %d",&st[i].score[0], &st[i].score[1], &st[i].score[2]);
+		st[i].sum = (st[i].score[0] + st[i].score[1] + st[i].score[2]);
+		fprintf(fp,"%d %d %d %d\n",st[i].score[0], st[i].score[1], st[i].score[2], st[i].sum);
+		fclose(fp);
+		system("cls");
+	}
+}
+
+void stupaixu()									//ÏÔʾËùÓÐѧÉú³ÉµÄ¼¨²¢×Ô¶¯ÅÅÐòµÄº¯Êý 
+{
+	FILE *fp=NULL, *fp1 = NULL;				//¶¨ÒåÎļþÖ¸Õë *fp ÓÃÀ´¶ÁÎļþ£¬ *fp1 ÓÃÀ´½«ÅÅÐòºóµÄÐÅϢдÈëÎļþ 
+	STU st[1000], temp;						//¶¨ÒåÁãʱ½á¹¹ÌåÊý×é 
+	int i, j, k=0;							// i , j, ÓÃÓÚ×÷Ϊѭ»·±äÁ¿£¬ k ÓÃÓÚ¼ÆÊý 
+	if((fp = fopen("xsxx.txt","r"))==NULL)
+	{
+		printf("Error\n");
+		exit(0);
+	}
+	while(!feof(fp))
+	{
+		fscanf(fp,"%s %s %s %s %d %d %d %d\n",&st[k].name,&st[k].xuehao,&st[k].phone,&st[k].qq,&st[k].score[0], &st[k].score[1],&st[k].score[2],&st[k].sum);
+		k++;								//ѧÉú×ÜÊý¼ÓÒ» 
+	}
+	fclose(fp);
+	
+	for(j=0; j<k-1; j++)					//ðÅÆÅÅÐò 
+	{
+		for(i=0; i<k-1-j; i++)
+		{
+			if(st[i].sum<st[i+1].sum)
+			{
+				temp=st[i];
+				st[i]=st[i+1];
+				st[i+1]=temp;
+			}
+		}
+	}
+	if((fp1 = fopen("xsxx.txt","w"))==NULL)		//½«Ã°ÅÝÅÅÐòºóµÄÐÅϢȫ²¿ÖØÐÂдÈëÎļþ£¬¸²¸ÇÔ­ÓеÄÐÅÏ¢ 
+	{
+		printf("Error\n");
+		exit(0);
+	}
+	for(int o=0; o<k; o++)
+	{
+		fprintf(fp1,"%s %s %s %s %d %d %d %d\n",st[o].name,st[o].xuehao,st[o].phone,st[o].qq,st[o].score[0], st[o].score[1],st[o].score[2],st[o].sum);
+	}
+	fclose(fp1);
+	printf("\n\t\t********************************ѧÉúÐÅÏ¢******************************\n");
+	printf("\t\t----------------------------------------------------------------------\n");
+	for(int t=0; t<k; t++)
+	{
+		printf("\t\tµÚ%dÃû:\n",t+1);
+		printf("\t\tÐÕÃû:%-16s\tѧºÅ:%-16s\n",st[t].name,st[t].xuehao);
+		printf("\t\tÊÖ»úºÅ:%-16s\tQQºÅ:%-16s\n",st[t].phone,st[t].qq);
+		for(int s=0; s<3; s++)
+		{
+			printf("\t\t");
+			printf("µÚ%d¿ÆÄ¿³É¼¨:%3d",s+1,st[t].score[s]);
+		}
+		printf("\n\t\t×Ü·Ö:%d\n",st[t].sum);
+		printf("\t\t----------------------------------------------------------------------\n");
+	}
+	printf("\n\t\t");
+}
+
+int xhcz()										//ÓÃѧºÅ²éÕÒÐÅÏ¢µÄº¯Êý 
+{
+	FILE *fp=NULL;							//¶¨ÒåÎļþÖ¸Õë
+	STU st[1000], tempa;					//¶¨ÒåÁãʱ½á¹¹ÌåÊý×飬Áãʱ½á¹¹Ìå 
+	int i, k=0;								// k ÓÃÓÚ¼ÆËãѧÉú×ÜÊý 
+	char xuehaos[20];						//¶¨ÒåÁãʱ ѧºÅ ×Ö·û´® 
+	if((fp = fopen("xsxx.txt","r"))==NULL)
+	{
+		printf("Error\n");
+		exit(0);
+	}
+	while(!feof(fp))
+	{
+		fscanf(fp,"%s %s %s %s %d %d %d %d",&st[k].name,&st[k].xuehao,&st[k].phone,&st[k].qq,&st[k].score[0], &st[k].score[1],&st[k].score[2],&st[k].sum);
+		k++;								//ѧÉú×ÜÊý¼ÓÒ» 
+	}
+	fclose(fp);
+	printf("\n\t\tÇëÊäÈëѧÉúѧºÅ:\n\n\t\t");
+	scanf("%s", &xuehaos);					//´æ´¢Óû§ÊäÈëµÄѧºÅ 
+	system("cls");
+	for(i=0; i<=k; i++)						//Ñ­»·ÅжÏѧºÅÊÇ·ñÆ¥Åä 
+	{
+		if(strcmp(xuehaos,st[i].xuehao)==0)
+		break;
+	}
+	if(i>k)									// i > k ʱ£¬¼´Õû¸öÎļþËùÓÐѧºÅ¶¼Ã»ÓÐÆ¥ÅäµÄ£¬Ö´Ðд˲½Öè 
+	{
+		printf("\n\t\t²éÎÞ´ËÈË!\n\n\t\t");	
+		system("pause"); 					//ÔÝͣһϣ¬ÈÃÓû§ÖªµÀΪɶ·µ»ØÖ÷½çÃæ 
+		return main();						//·µ»ØÖ÷½çÃæ 
+	}
+	else									// i < k ʱ£¬ËµÃ÷ÓÐÆ¥ÅäµÄÈË£¬ËûʱµÚ i ¸öÈË 
+	{
+		printf("\n\t\t********************************ѧÉúÐÅÏ¢******************************\n");
+		printf("\t\t----------------------------------------------------------------------\n");
+		printf("\t\tÐÕÃû:%-16s\tѧºÅ:%-16s\n",st[i].name,st[i].xuehao);
+		printf("\t\tÊÖ»úºÅ:%-16s\tQQºÅ:%-16s\n",st[i].phone,st[i].qq);
+		for(int s=0; s<3; s++)
+		{
+			printf("\t\t");
+			printf("µÚ%d¿ÆÄ¿³É¼¨:%3d",s+1,st[i].score[s]);
+		}
+		printf("\n\t\t×Ü·Ö:%d\n",st[i].sum);
+		printf("\t\t----------------------------------------------------------------------\n");
+		printf("\n\t\t");
+		system("pause");					//ÏÈÈÃÓû§¿´¹»ÁË£¬È»ºó°´ÈÎÒâ¼ü·µ»Ø 
+		return main();						//·µ»ØÖ÷½çÃæ 
+	}
+}
+
+int xxxg() 										//ÐÞ¸ÄÐÅÏ¢µÄº¯Êý == "ѧºÅ ÐÞ¸Ä"µÄÆ´Òô 
+{
+	FILE *fp=NULL, *fp2=NULL;				//¶¨ÒåÁ½¸öÎļþÖ¸Õë 
+	STU st[1000], tempa;					//¶¨ÒåÒ»¸öÁãʱ½á¹¹ÌåÊý×飬һ¸öÁãʱ½á¹¹Ìå 
+	int n, i, j, k=0, x;					// kÓÃÓÚ¼ÆÊý 
+	int km1, km2, km3, q, r;				//¿ÆÄ¿1£¬¿ÆÄ¿2£¬¿ÆÄ¿3£¬Á½¸öÓÃÓÚÑ­»·µÄÕûÐͱäÁ¿ 
+	char xuehaos[20], xiugais[20];			//¶¨ÒåÒ»¸öÁãʱ ѧºÅ×Ö·û´®£¬Ò»¸ö "ÐÞ¸Ä"×Ö·û´® 
+	char xuanze;							//×Ö·ûÐÍ Ñ¡Ôñ 
+	if((fp = fopen("xsxx.txt","r"))==NULL)
+	{
+		printf("Error\n");
+		exit(0);
+	}
+	while(!feof(fp))
+	{
+		fscanf(fp,"%s %s %s %s %d %d %d %d",&st[k].name,&st[k].xuehao,&st[k].phone,&st[k].qq,&st[k].score[0], &st[k].score[1],&st[k].score[2],&st[k].sum);
+		k++;								//ÿ¶ÁÈëÒ»¸öѧÉúÐÅÏ¢×ÜÊý¼ÓÒ» 
+	}
+	fclose(fp);
+	printf("\n\t\tÇëÊäÈëÐèÒªÐÞ¸ÄÐÅÏ¢µÄѧÉúѧºÅ:\n\n\t\t");
+	scanf("%s", &xuehaos);					//¶ÁÈëÓû§ÏëÒªÐÞ¸ÄÈ˵ÄѧºÅ 
+	for(i=0; i<=k; i++)						//Ñ­»·²éÕÒÕâ¸öÈË 
+	{
+		if(strcmp(xuehaos,st[i].xuehao)==0)
+		break;
+	}
+	if(i>k)									
+	{
+		printf("\n\t\t²éÎÞ´ËÈË!\n\n\t\t"); 
+		system("pause");
+		return main();
+	}
+	else
+	{
+		printf("\n\t\t********************************ѧÉúÐÅÏ¢******************************\n");
+		printf("\t\t----------------------------------------------------------------------\n");
+		printf("\t\tÐÕÃû:%-16s\tѧºÅ:%-16s\n",st[i].name,st[i].xuehao);
+		printf("\t\tÊÖ»úºÅ:%-16s\tQQºÅ:%-16s\n",st[i].phone,st[i].qq);
+		for(int s=0; s<3; s++)
+		{
+			printf("\t\t");
+			printf("µÚ%d¿ÆÄ¿³É¼¨:%3d",s+1,st[i].score[s]);
+		}
+		printf("\n\t\t×Ü·Ö:%d\n",st[i].sum);
+		printf("\t\t----------------------------------------------------------------------\n");
+		printf("\n\t\t************************************************\n");
+		printf("\t\t*©°-------------------------------------------©´ *\n");
+		printf("\t\t*©¦              ÇëÑ¡ÔñÄúÐèÒªµÄ·þÎñ:          ©¦ *\n");
+		printf("\t\t*©¦              1.ÐÞ¸ÄÐÕÃû:                  ©¦ *\n");
+		printf("\t\t*©¦              2.ÐÞ¸ÄѧºÅ:                  ©¦ *\n");
+		printf("\t\t*©¦              3.ÐÞ¸ÄÊÖ»úºÅ:                ©¦ *\n");
+		printf("\t\t*©¦              4.ÐÞ¸ÄQQºÅ:                  ©¦ *\n");
+		printf("\t\t*©¦              5.Ð޸ijɼ¨:                  ©¦ *\n");
+		printf("\t\t*©¦              0.·µ»ØÉÏÒ»½çÃæ               ©¦ *\n");
+		printf("\t\t*©¸-------------------------------------------©¼ *\n");
+		printf("\t\t************************************************\n");
+		printf("\n\t\tÇëÊäÈëÐèÒªÐ޸ĵÄÐÅÏ¢:\n\t\t"); 
+		fflush(stdin);
+		scanf("%c", &xuanze);
+		x = xuanze - '0';
+		switch(x)
+		{
+			case 1:
+				printf("\n\t\tÇëÊäÈëеÄÐÕÃû:\n\n\t\t");
+				scanf("%s", &xiugais);
+				strcpy(st[i].name, xiugais);
+				printf("\n\t\tÐ޸ijɹ¦!\n\n\t\t");
+				system("pause");
+				break;
+			case 2:
+				printf("\n\t\tÇëÊäÈëеÄѧºÅ:\n\n\t\t");
+				scanf("%s", &xiugais);
+				for(q=0; q<=k; q++)
+				{
+					if(strcmp(xiugais,st[q].xuehao)==0)	//ÅжÏÊÇ·ñÓëÎļþÖеÄѧºÅ³åÍ» 
+					{									//½«ÐÂѧºÅÓëÎļþÖÐËùÓÐѧºÅ½øÐбȶԣ¬Èç¹ûÖظ´Á˾Ͳ»Äܳɹ¦ÐÞ¸Ä 
+						printf("\n\t\t¸ÃѧºÅÒÑ´æÔÚ£¬ÎÞ·¨ÐÞ¸Ä!!!\n\n\t\t");
+						printf("\n\t\t½«·µ»ØÉÏÒ»½çÃæ\n\n\t\t"); 
+						system("pause");
+						system("cls");
+						return main();					//·µ»ØÖ÷½çÃæ 
+					}
+				}
+					strcpy(st[i].xuehao, xiugais);		//Èç¹û²»³åÍ»£¬¾ÍÐÞ¸Ä 
+					printf("\n\t\tÐ޸ijɹ¦!\n\n\t\t");
+					system("pause");
+				break;
+			case 3:
+				printf("\n\t\tÇëÊäÈëÐÂÊÖ»úºÅ:\n\n\t\t");
+				scanf("%s", &xiugais);
+				strcpy(st[i].phone, xiugais);
+				printf("\n\t\tÐ޸ijɹ¦!\n\n\t\t");
+				system("pause");
+				break;
+			case 4:
+				printf("\n\t\tÇëÊäÈëеÄQQºÅ:\n\n\t\t");
+				scanf("%s", &xiugais);
+				strcpy(st[i].qq, xiugais);
+				printf("\n\t\tÐ޸ijɹ¦!\n\n\t\t");
+				system("pause");
+				break;
+			case 5:
+				printf("\n\t\tÇëÊäÈëеÄÈýÃÅ¿ÆÄ¿³É¼¨:\n\n\t\t");
+				scanf("%d %d %d", &km1, &km2, &km3);		//½«ÐµÄÈýÃÅ¿ÆÄ¿µÄ³É¼¨¸³¸øµÚ i ¸öÈ˵ijɼ¨ÀïÃæ 
+				st[i].score[0] = km1;			
+				st[i].score[1] = km2;
+				st[i].score[2] = km3;
+				st[i].sum = km1 + km2 + km3;
+				printf("\n\t\tÐ޸ijɹ¦!\n\n\t\t");
+				system("pause");
+				break;
+		}
+		system("cls");		//³É¹¦ÐÞ¸ÄÁËÖ®ºó£¬½«Õâ¸öÈ˵ÄÐÅÏ¢ÏÔʾ³öÀ´ 
+		printf("\n\t\t********************************ѧÉúÐÅÏ¢******************************\n");
+		printf("\t\t----------------------------------------------------------------------\n");
+		printf("\t\tÐÕÃû:%-16s\tѧºÅ:%-16s\n",st[i].name,st[i].xuehao);
+		printf("\t\tÊÖ»úºÅ:%-16s\tQQºÅ:%-16s\n",st[i].phone,st[i].qq);
+		for(int s=0; s<3; s++)
+		{
+			printf("\t\t");
+			printf("µÚ%d¿ÆÄ¿³É¼¨:%3d",s+1,st[i].score[s]);
+		}
+		printf("\n\t\t×Ü·Ö:%d\n",st[i].sum);
+		printf("\t\t----------------------------------------------------------------------\n");
+		printf("\n\t\t");
+	}
+	if((fp2 = fopen("xsxx.txt","w"))==NULL)
+	{
+		printf("\n\t\tError\n\n\t\t");
+		exit(0);
+	}
+	for(int o=0; o<k-1; o++)		//½«Ð޸ĺóµÄËùÓÐѧÉúÐÅϢѭ»·Ð´ÈëÎļþ 
+	{
+		fprintf(fp2,"%s %s %s %s %d %d %d %d\n",st[o].name,st[o].xuehao,st[o].phone,st[o].qq,st[o].score[0], st[o].score[1],st[o].score[2],st[o].sum);
+	}
+	fclose(fp2);
+}
+
+int shanchu()									//ɾ³ýѧÉúÐÅÏ¢µÄº¯Êý 
+{
+	FILE *fp=NULL;					//¶¨ÒåÎļþÖ¸Õë 
+	STU st[1000], tempa;			//¶¨ÒåÒ»¸öÁãʱ½á¹¹ÌåÊý×飬 Ò»¸öÁãʱ½á¹¹Ìå 
+	int i, k=0;						// i ÊÇÓÃÓÚÑ­»·µÄ±äÁ¿, k ÊÇÓÃÓÚ¼ÆËãѧÉú×ÜÊýµÄ±äÁ¿ 
+	char xuehaos[20];				//¶¨ÒåÒ»¸öÓû§ÊäÈëµÄѧºÅ£¬ÓëÎļþÖеĽøÐбȶÔ
+	if((fp = fopen("xsxx.txt","r"))==NULL)
+	{
+		printf("\n\t\tError\n\n\t\t");
+		exit(0);
+	}
+	while(!feof(fp))
+	{
+		fscanf(fp,"%s %s %s %s %d %d %d %d",&st[k].name,&st[k].xuehao,&st[k].phone,&st[k].qq,&st[k].score[0], &st[k].score[1],&st[k].score[2],&st[k].sum);
+		k++;						//ÿ´ÓÎļþ¶ÁÈëÒ»¸öѧÉú£¬Ñ§Éú×ÜÊý¼ÓÒ» 
+	}
+	fclose(fp);
+	printf("\n\t\tÇëÊäÈëÐèҪɾ³ýÐÅÏ¢µÄѧÉúѧºÅ:\n\n\t\t");
+	scanf("%s", &xuehaos);
+	for(i=0; i<=k; i++)
+	{
+		if(strcmp(xuehaos,st[i].xuehao)==0)	//ÅжÏѧºÅÊÇ·ñÆ¥Åä 
+		break;
+	}
+	if(i>k)		//Èç¹û i > k ,˵Ã÷Õû¸öÎļþËùÓеÄѧÉúÐÅÏ¢¶Ô±ÈÍ꣬¶¼Ã»ÓÐÒ»¸öÄÜÆ¥Å䣬ִÐд˲½Öè 
+	{
+		printf("\n\t\t²éÎÞ´ËÈË!\n\n\t\t"); 
+		system("pause");	//ÈÃÓû§ÖªµÀΪɶ²»ÄÜɾ³ý 
+		return main();
+	}
+	else		//´Ë²½ÖèÊǽ«É¾³ýÐÅÏ¢ºóµÄÁãʱ½á¹¹ÌåÊäÈëÖØÐÂÈ«²¿Ð´ÈëÎļþ 
+	{
+		printf("\n\t\tɾ³ý³É¹¦!\n\n\t\t");
+		if((fp = fopen("xsxx.txt","w"))==NULL)	//ÒÔ "w" µÄ·½Ê½´ò¿ª£¬ÍêÈ«¸²¸ÇÔ­Îļþ 
+		{
+			printf("\n\t\tError\n\n\t\t");
+			exit(0);
+		}
+		for(int o=0; o<k-2; o++)				//Ô­À´ÓÐ k ¸öѧÉú£¬ÏÖÔÚ ÒªÔÚÔ­À´µÄ»ù´¡ÉÏ-1 
+		{
+			if(strcmp(st[o].xuehao,xuehaos)==0)	//Èç¹ûѧºÅÆ¥Å䵽Ҫɾ³ýµÄѧÉúѧºÅ£¬Ö´Ðд˲½Öè 
+			{
+            	for(int j=i; j<k-2; j++)		//Ñ­»·ÒªÉ¾³ýµÄÄǸöѧÉúºóÃæµÄѧÉúÐÅÏ¢¸³¸øÇ°Ò»¸ö 
+					st[j]=st[j+1];	
+			}
+			fprintf(fp,"%s %s %s %s %d %d %d %d\n",st[o].name,st[o].xuehao,st[o].phone,st[o].qq,st[o].score[0], st[o].score[1],st[o].score[2],st[o].sum);
+		}
+		fclose(fp);
+	} 
+}
+
+void fsdxs()									//fsdxs==·ÖÊý¶ÎÏÔʾ 
+{
+	FILE *fp1=NULL, *fp=NULL;
+	STU st[1000];
+	int n, k=0, q, i, s=0;			//sÊÇ¿ª¹Ø£¬¿ØÖÆÊÇ·ñÏÔʾ·ÖÊý¶ÎÎÞÈ˵ÄÇé¿ö 
+	float ave=0;					//¶¨ÒåÒ»¸öƽ¾ù·Ö 
+	if((fp1 = fopen("xsxx.txt","r"))==NULL)
+	{
+		printf("\n\t\tError\n\n\t\t");
+		exit(0);
+	}
+	while(!feof(fp1))
+	{
+		fscanf(fp1,"%s %s %s %s %d %d %d %d",&st[k].name,&st[k].xuehao,&st[k].phone,&st[k].qq,&st[k].score[0], &st[k].score[1],&st[k].score[2],&st[k].sum);
+		k++;						//ÏȽ«ÎļþÖÐËùÓÐѧÉúµÄÐÅÏ¢¶Á³öÀ´£¬´æÈëÁãʱ½á¹¹ÌåÊý×éÖÐ 
+	}								//È»ºó¶ÔÓ¦µÄ½øÐÐÑ¡ÔñÊä³ö 
+	fclose(fp1);  
+	printf("\n\t\t********************************ѧÉúÐÅÏ¢******************************\n");
+	printf("\t\t----------------------------------------------------------------------\n");
+	printf("\t\tƽ¾ù·Ö90ÒÔÉϵÄÈËÊÇ:\n"); 
+	for(i=0; i<k-1; i++)
+	{
+		ave = st[i].sum/3.0;
+		if(ave>=90)
+		{
+			printf("\t\tÐÕÃû:%-16s\tƽ¾ù·Ö:%5.2f\n", st[i].name, st[i].sum/3.0);
+			s = 1;						//Èç¹ûÖ´Ðд˲½Ö裬¾Í´ò¿ª¿ª¹Ø£¬¾Í²»»áÊä³ö "´Ë·ÖÊý¶ÎÎÞÈË"µÄÓï¾äÁË
+		} 
+		ave = 0;
+	}
+	if(s==0)							//ÅжϿª¹ØÊÇ·ñ´ò¿ª£¬Èç¹ûδ´ò¿ª£¬¾ÍÖ´Ðд˲½Öè 
+	printf("\t\t´Ë·ÖÊý¶ÎûÓÐÈË!\n");
+	s = 0;								//ÿһ´Î¶¼ÒªÖØÖÿª¹Ø 
+	printf("\t\t----------------------------------------------------------------------\n");
+	printf("\t\tƽ¾ù·Ö80~90µÄÈËÊÇ:\n");
+	for(i=0; i<k-1; i++)
+	{
+		ave = st[i].sum/3.0;
+		if(ave>=80 && ave<90)
+		{
+			printf("\t\tÐÕÃû:%-16s\tƽ¾ù·Ö:%5.2f\n", st[i].name, st[i].sum/3.0);
+			s = 1;						//Èç¹ûÖ´Ðд˲½Ö裬¾Í´ò¿ª¿ª¹Ø£¬¾Í²»»áÊä³ö "´Ë·ÖÊý¶ÎÎÞÈË"µÄÓï¾äÁË
+		} 
+		ave = 0;
+	}
+	if(s==0)							//ÅжϿª¹ØÊÇ·ñ´ò¿ª£¬Èç¹ûδ´ò¿ª£¬¾ÍÖ´Ðд˲½Öè 
+	printf("\t\t´Ë·ÖÊý¶ÎûÓÐÈË!\n");
+	s = 0;								//ÿһ´Î¶¼ÒªÖØÖÿª¹Ø 
+	printf("\t\t----------------------------------------------------------------------\n");
+	printf("\t\tƽ¾ù·Ö70~80µÄÈËÊÇ:\n");
+	for(i=0; i<k-1; i++)
+	{
+		ave = st[i].sum/3.0;
+		if(ave>=70 && ave<80)
+		{
+			printf("\t\tÐÕÃû:%-16s\tƽ¾ù·Ö:%5.2f\n", st[i].name, st[i].sum/3.0);
+			s = 1;						//Èç¹ûÖ´Ðд˲½Ö裬¾Í´ò¿ª¿ª¹Ø£¬¾Í²»»áÊä³ö "´Ë·ÖÊý¶ÎÎÞÈË"µÄÓï¾äÁË
+		} 
+		ave = 0;
+	}
+	if(s==0)							//ÅжϿª¹ØÊÇ·ñ´ò¿ª£¬Èç¹ûδ´ò¿ª£¬¾ÍÖ´Ðд˲½Öè
+	printf("\t\t´Ë·ÖÊý¶ÎûÓÐÈË!\n");
+	s = 0;								//ÿһ´Î¶¼ÒªÖØÖÿª¹Ø 
+	printf("\t\t----------------------------------------------------------------------\n");
+	printf("\t\tƽ¾ù·Ö60~70µÄÈËÊÇ:\n");
+	for(i=0; i<k-1; i++)
+	{
+		ave = st[i].sum/3.0;
+		if(ave>=60 && ave<70)
+		{
+			printf("\t\tÐÕÃû:%-16s\tƽ¾ù·Ö:%5.2f\n", st[i].name, st[i].sum/3.0);
+			s = 1;						//Èç¹ûÖ´Ðд˲½Ö裬¾Í´ò¿ª¿ª¹Ø£¬¾Í²»»áÊä³ö "´Ë·ÖÊý¶ÎÎÞÈË"µÄÓï¾äÁË
+		} 
+		ave = 0;
+	}
+	if(s==0)							//ÅжϿª¹ØÊÇ·ñ´ò¿ª£¬Èç¹ûδ´ò¿ª£¬¾ÍÖ´Ðд˲½Öè 
+	printf("\t\t´Ë·ÖÊý¶ÎûÓÐÈË!\n");
+	s = 0;								//ÿһ´Î¶¼ÒªÖØÖÿª¹Ø 
+	printf("\t\t----------------------------------------------------------------------\n");
+	printf("\t\tƽ¾ù·ÖµÍÓÚ60µÄÈËÊÇ:\n");
+	for(i=0; i<k-1; i++)
+	{
+		ave = st[i].sum/3.0;
+		if(ave>=0 && ave<60)		 
+			{
+			printf("\t\tÐÕÃû:%-16s\tƽ¾ù·Ö:%5.2f\n", st[i].name, st[i].sum/3.0);
+			s = 1;						//Èç¹ûÖ´Ðд˲½Ö裬¾Í´ò¿ª¿ª¹Ø£¬¾Í²»»áÊä³ö "´Ë·ÖÊý¶ÎÎÞÈË"µÄÓï¾äÁË 
+		} 
+		ave = 0;
+	}
+	if(s==0)							//ÅжϿª¹ØÊÇ·ñ´ò¿ª£¬Èç¹ûδ´ò¿ª£¬¾ÍÖ´Ðд˲½Öè
+	printf("\t\t´Ë·ÖÊý¶ÎûÓÐÈË!\n\n\t\t");
+	printf("\n\t\t");
+}
+
+int stdk()										//ѧÉú¶Ë¿Ú "st == ѧÉú£¬ dk == ¶Ë¿Ú" 
+{
+	char xuanze;						//"Ñ¡Ôñ" 
+	int xz;								//"Ñ¡ÔñµÄÕûÐÍ·µ»ØÖµ" 
+	do
+	{
+		system("cls");					//ÇåÆÁ 
+		printf("\n\t\t************ºþÄϹ¤Òµ´óѧÐÅÏ¢¹ÜÀíϵͳ************\n");
+		printf("\t\t*©°-------------------------------------------©´ *\n");
+		printf("\t\t*©¦              ÇëÑ¡ÔñÄúÐèÒªµÄ·þÎñ:          ©¦ *\n");
+		printf("\t\t*©¦              1.ÏÔʾËùÓÐѧÉúµÄ³É¼¨ÐÅÏ¢     ©¦ *\n");
+		printf("\t\t*©¦              2.°´·ÖÊý¶ÎÏÔʾ³É¼¨ÐÅÏ¢       ©¦ *\n");
+		printf("\t\t*©¦              3.°´Ñ§ºÅ²éѯ³É¼¨ÐÅÏ¢         ©¦ *\n");
+		printf("\t\t*©¦              4.°´ÐÕÃû²éѯ³É¼¨ÐÅÏ¢         ©¦ *\n");
+		printf("\t\t*©¦              0.·µ»ØÉÏÒ»½çÃæ               ©¦ *\n");
+		printf("\t\t*©¸-------------------------------------------©¼ *\n");
+		printf("\t\t************************************************\n");
+		printf("\t\tÇëÄúÑ¡Ôñ(0-4):"); 
+		fflush(stdin);							//·ÀÖ¹Óû§Ò»´ÎÐÔÊäÈë¶à¸ö×Ö·û 
+		scanf("%c", &xuanze);   				//²é¿´Óû§µÄÉí·Ý£¬½øÈëÏÂÒ»½çÃæ 
+	}while(xuanze<'0' || xuanze>'4');			//¼ì²éÊäÈëÊÇ·ñ·ûºÏ¹æ·¶
+	xz = xuanze-'0';							//½«×Ö·ûÐÍ"Ñ¡Ôñ"±ä³ÉËüµÄÕûÐÍ·µ»ØÖµ 
+	switch(xz)									//½«ÕûÐÍ·µ»ØÖµ½øÐÐ "Ñ¡Ôñ"  
+	{
+		case 1:
+			printf("\n\t\tÕýÔÚ½øÈë ÏÔʾËùÓгɼ¨ÐÅÏ¢½çÃæ\n\n\t\t");					
+			system("cls");					//ÏÈÇåÆÁ 
+			stupaixu();						//ÔÙµ÷Óú¯Êý£¬ÏÔʾ½çÃæ 
+			system("pause");				//½«ÏÔʾµÄ½çÃæ¹Ì¶¨×¡ 
+			break;
+		case 2:
+			printf("\n\t\tÕýÔÚ½øÈë °´·ÖÊý¶ÎÏÔʾ³É¼¨ÐÅÏ¢½çÃæ\n\n\t\t");
+			system("cls");					//ÏÈÇåÆÁ 
+			fsdxs();						//ÔÙµ÷Óú¯Êý£¬ÏÔʾ½çÃæ 
+			system("pause");				//½«ÏÔʾµÄ½çÃæ¹Ì¶¨×¡		
+			break;
+		case 3:
+			printf("\n\t\tÕýÔÚ½øÈë °´Ñ§ºÅ²éѯ³É¼¨ÐÅÏ¢½çÃæ\n\n\t\t");
+			system("cls");					//ÏÈÇåÆÁ 
+			xhcz();							//ÔÙµ÷Óú¯Êý£¬ÏÔʾ½çÃæ 
+			system("pause");				//½«ÏÔʾµÄ½çÃæ¹Ì¶¨×¡
+		case 4:
+			printf("\n\t\tÕýÔÚ½øÈë °´ÐÕÃû²éѯ³É¼¨ÐÅÏ¢½çÃæ\n\n\t\t");
+			system("cls");					//ÏÈÇåÆÁ 
+			namecz();						//ÔÙµ÷Óú¯Êý£¬ÏÔʾ½çÃæ 
+			system("pause");				//½«ÏÔʾµÄ½çÃæ¹Ì¶¨×¡		
+			break;		
+		case 0:
+			printf("\n\t\tÕýÔÚΪÄú·µ»ØÉÏÒ»½çÃæ\n\n\t\t");
+			system("cls"); 
+			return main();					//·µ»ØÖ÷½çÃæ 
+	}
+	return stdk();							//·µ»ØѧÉú¶Ë¿Ú 
+}
+
+int tedk()										//½Ìʦ¶Ë¿Ú "te == ÀÏʦ£¬ dk == ¶Ë¿Ú" 
+{
+	char xuanze;							//"Ñ¡Ôñ" 
+	int xz;									//"Ñ¡Ôñ"µÄÕûÐÍ·µ»ØÖµ 
+	do
+	{
+		system("cls");						//ÇåÆÁ 
+		printf("\n\t\t************ºþÄϹ¤Òµ´óѧÐÅÏ¢¹ÜÀíϵͳ************\n");
+		printf("\t\t*©°-------------------------------------------©´ *\n");
+		printf("\t\t*©¦              ÇëÑ¡ÔñÄúÐèÒªµÄ·þÎñ:          ©¦ *\n");
+		printf("\t\t*©¦              1.ÏÔʾËùÓÐѧÉúµÄ³É¼¨ÐÅÏ¢     ©¦ *\n");
+		printf("\t\t*©¦              2.°´·ÖÊý¶ÎÏÔʾ³É¼¨ÐÅÏ¢       ©¦ *\n");
+		printf("\t\t*©¦              3.°´Ñ§ºÅ²éѯ³É¼¨ÐÅÏ¢         ©¦ *\n");
+		printf("\t\t*©¦              4.°´ÐÕÃû²éѯ³É¼¨ÐÅÏ¢         ©¦ *\n");
+		printf("\t\t*©¦              5.ÔöÌíѧÉúÐÅÏ¢               ©¦ *\n");
+		printf("\t\t*©¦              6.ÐÞ¸ÄѧÉúÐÅÏ¢               ©¦ *\n");
+		printf("\t\t*©¦              7.ɾ³ýѧÉúÐÅÏ¢               ©¦ *\n");
+		printf("\t\t*©¦              0.·µ»ØÉÏÒ»½çÃæ               ©¦ *\n");
+		printf("\t\t*©¸-------------------------------------------©¼ *\n");
+		printf("\t\t************************************************\n");
+		printf("\t\tÇëÄúÑ¡Ôñ(0-7):"); 
+		fflush(stdin);							//·ÀÖ¹Óû§Ò»´ÎÐÔÊäÈë¶à¸ö×Ö·û 
+		scanf("%c", &xuanze);   				//²é¿´Óû§µÄÉí·Ý£¬½øÈëÏÂÒ»½çÃæ 
+	}while(xuanze<'0' || xuanze>'7');			//¼ì²éÊäÈëÊÇ·ñ·ûºÏ¹æ·¶
+	xz = xuanze-'0';							//½«×Ö·ûÐÍ"Ñ¡Ôñ"±ä³ÉËüµÄÕûÐÍ·µ»ØÖµ
+	switch(xz)									//½«ÕûÐÍ·µ»ØÖµ½øÐÐ "Ñ¡Ôñ"
+	{
+		case 1:
+			printf("\n\t\tÕýÔÚ½øÈë ÏÔʾËùÓгɼ¨ÐÅÏ¢½çÃæ\n\n\t\t");					
+			system("cls");					//ÏÈÇåÆÁ 
+			stupaixu();						//ÔÙµ÷Óú¯Êý£¬ÏÔʾ½çÃæ 
+			system("pause");				//½«ÏÔʾµÄ½çÃæ¹Ì¶¨×¡ 
+			break;
+		case 2:
+			printf("\n\t\tÕýÔÚ½øÈë °´·ÖÊý¶ÎÏÔʾ³É¼¨ÐÅÏ¢½çÃæ\n\n\t\t");
+			system("cls");					//ÏÈÇåÆÁ 
+			fsdxs();						//ÔÙµ÷Óú¯Êý£¬ÏÔʾ½çÃæ 
+			system("pause");				//½«ÏÔʾµÄ½çÃæ¹Ì¶¨×¡		
+			break;
+		case 3:
+			printf("\n\t\tÕýÔÚ½øÈë °´Ñ§ºÅ²éѯ³É¼¨ÐÅÏ¢½çÃæ\n\n\t\t");
+			system("cls");					//ÏÈÇåÆÁ 
+			xhcz();							//ÔÙµ÷Óú¯Êý£¬ÏÔʾ½çÃæ 
+			system("pause");				//½«ÏÔʾµÄ½çÃæ¹Ì¶¨×¡
+		case 4:
+			printf("\n\t\tÕýÔÚ½øÈë °´ÐÕÃû²éѯ³É¼¨ÐÅÏ¢½çÃæ\n\n\t\t");
+			system("cls");					//ÏÈÇåÆÁ 
+			namecz();						//ÔÙµ÷Óú¯Êý£¬ÏÔʾ½çÃæ 
+			system("pause");				//½«ÏÔʾµÄ½çÃæ¹Ì¶¨×¡		
+			break;		
+		case 5:
+			printf("\n\t\tÕýÔÚ½øÈë ÔöÌíѧÉúÐÅÏ¢½çÃæ\n\n\t\t");
+			system("cls");					//ÏÈÇåÆÁ 
+			addstu();						//ÔÙµ÷Óú¯Êý£¬ÏÔʾ½çÃæ 
+			system("pause");				//½«ÏÔʾµÄ½çÃæ¹Ì¶¨×¡		
+			break;		
+		case 6:
+			printf("\n\t\tÕýÔÚ½øÈë °´Ñ§ºÅ²éѯ£¬ÐÞ¸ÄÐÅÏ¢½çÃæ\n\n\t\t");
+			system("cls");					//ÏÈÇåÆÁ 
+			xxxg();							//ÔÙµ÷Óú¯Êý£¬ÏÔʾ½çÃæ 
+			system("pause");				//½«ÏÔʾµÄ½çÃæ¹Ì¶¨×¡		
+			break;		
+		case 7:
+			printf("\n\t\tÕýÔÚ½øÈë °´Ñ§ºÅ²éѯ£¬É¾³ýÐÅÏ¢½çÃæ\n\n\t\t");
+			system("cls");					//ÏÈÇåÆÁ 
+			shanchu();						//ÔÙµ÷Óú¯Êý£¬ÏÔʾ½çÃæ 
+			system("pause");				//½«ÏÔʾµÄ½çÃæ¹Ì¶¨×¡		
+			break;		
+		case 0:
+			printf("\n\t\tÕýÔÚΪÄú·µ»ØÉÏÒ»½çÃæ\n\n\t\t");
+			system("cls"); 
+			return main();					//·µ»ØÖ÷º¯Êý 
+	}
+	return tedk();							//·µ»Ø½Ìʦ¶Ë¿Ú 
+}
+
+int namecz()									//"cz == ²éÕÒ"£¬ÓÃ"ÐÕÃû"½øÐвéÕҵĺ¯Êý 
+{
+	FILE *fp=NULL;							//¶¨ÒåÎļþÖ¸Õë 
+	STU st[1000];							//Áãʱ´¢´æÊý¾ÝµÄ½á¹¹ÌåÊý×é 
+	int i, k=0;								//k ÓÃÓÚ¼ÆËãѧÉúÈËÊý 
+	char names[20];							//¶¨ÒåÓû§ÊäÈëÐè²éÕÒµÄѧÉúÐÕÃû£¬·½±ã½øÐÐ±È¶Ô 
+	if((fp = fopen("xsxx.txt","r"))==NULL)	//´ÓÎļþ¶Á³öËùÓÐѧÉúÐÅÏ¢£¬´æÈëÁãʱ½á¹¹Ì壬½øÐÐ±È¶Ô 
+	{
+		printf("\n\t\tError\n\n\t\t");
+		exit(0);
+	}
+	while(!feof(fp))
+	{
+		fscanf(fp,"%s %s %s %s %d %d %d %d",&st[k].name,&st[k].xuehao,&st[k].phone,&st[k].qq,&st[k].score[0], &st[k].score[1],&st[k].score[2],&st[k].sum);
+		k++;								//ÿ¶ÁÈëÒ»¸öѧÉúµÄÐÅÏ¢£¬¼Ç¼ѧÉúµÄ×ÜÊý 
+	}
+	fclose(fp);
+	printf("\n\t\tÇëÊäÈëѧÉúÐÕÃû:\n\n\t\t");
+	scanf("%s", &names);
+	for(i=0; i<=k; i++)
+	{
+		if(strcmp(names,st[i].name)==0)
+		break;
+	}
+	if(i>k)									//Èç¹ûÅжÏÍêËùÓÐÈ˵ÄÐÕÃû¶¼¶Ô²»ÉÏ£¬Ö´Ðд˲½Öè 
+	{
+		system("cls");
+		printf("\n\t\t²éÎÞ´ËÈË!\n\n\t\t"); 
+		system("pause");
+		return main();
+	}
+	else									//Èç¹û i < k ³ÉÁ¢£¬¾Í˵Ã÷ÓÐÆ¥ÅäµÄ£¬Ö´Ðд˲½Öè 
+	{
+		system("cls");						//ÏÈÇåÆÁ£¬ÔÙÏÔʾÐÅÏ¢£¬¾Í²»ÂÒÁË 
+		printf("\n\t\t********************************ѧÉúÐÅÏ¢******************************\n");
+		printf("\t\t----------------------------------------------------------------------\n");
+		printf("\t\tÐÕÃû:%-16s\tѧºÅ:%-16s\n",st[i].name,st[i].xuehao);
+		printf("\t\tÊÖ»úºÅ:%-16s\tQQºÅ:%-16s\n",st[i].phone,st[i].qq);
+		for(int s=0; s<3; s++)
+		{
+			printf("\t\t");
+			printf("µÚ%d¿ÆÄ¿³É¼¨:%3d",s+1,st[i].score[s]);
+		}
+		printf("\n\t\t×Ü·Ö:%d\n",st[i].sum);
+		printf("\t\t----------------------------------------------------------------------\n");
+		printf("\n\t\t");
+		system("pause");					//ÏÈÈÃÓû§¿´¹»ÁË , È»ºó°´ÈÎÒâ¼ü·µ»Ø 
+		return main();						//Êä³ö½áÊøºó¾Í·µ»ØÖ÷½çÃæ 
+	}
+}
\ No newline at end of file