把编码改成了ANSI还是没用
而且它乱码是这样:
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4?魭 0
,? 38044
財 0
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葧 0
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t? 0
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鰱 0
? 38720
^? 0
x? 38826
0+官 32767
柏 -659594368
`j 32767
滥 -659595632
朝? 32767
┆? -643124800
€? 32767
-643195760
| 32767
Px -643003184
喇 32767
性 1698955480
leteCriticalSection ? 28271
?GetCurrentProcess ?GetCurrentProcessId 30539876
GetCurrentThreadId GetLastError 1635013492
rtupInfoA mTimeAsFileTime 1667847284
kCount CriticalSection 1130722913
riticalSection eryPerformanceCounter 67174514
RtlAddFunctionTable RtlCaptureContext 1951532041
lLookupFunctionEntry 77529088
SetUnhandledExceptionFilter nFilter 1852403058
ateProcess Value 1769238629
onFilter rotect 31090
7 er 1701273439
tmainargs v 1852793708
v_init type 1920099688
exit 1701080941
k 67502187
abort it 70254702
fprintf canf 1634231156
r 1668482192
anf mp 28261
?strncmp ?vfprintf 36864
36864
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.dll ? 36884
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附上源代码：
#include<stdio.h>
#include<stdlib.h>
#include<string.h>
//定义结构体数组
typedef struct {
char num[20];//学号
char name[20];//学生姓名
int score;//分数
}STUDENT;
STUDENT stu[20];
//home page
void home_page()
{
printf("\n\t\t******************************** \n");
printf("\t\t 学生成绩信息管理系统 \n\n");
printf("\t\t 1、录入信息 \n\n");
printf("\t\t 2、浏览信息 \n\n");
printf("\t\t 3、查询信息 \n\n");
printf("\t\t 4、修改信息 \n\n");
printf("\t\t 5、成绩排序 \n\n");
printf("\t\t 6、删除信息 \n\n");
printf("\t\t 7、向文件写入数据 \n\n");
printf("\t\t 8、从文件读出数据 \n\n");
printf("\t\t 9、退出系统 \n\n");
printf("\t\t******************************** \n\n");
}
// add information
int add_infor(STUDENT stu[], int n)
{
int i = 0;
char sign = 'Y';
while ((sign == 'Y') || (sign == 'y'))
{
printf("\n\t\t\t学号：");
scanf("\t\t%s", stu[n + i].num);
printf("\t\t\t姓名：");
scanf("\t\t%s", stu[n + i].name);
printf("\t\t\t成绩：");
scanf("\t\t%d", &stu[n + i].score);
printf("\n\t\t\t是否继续录入？（Y/N）：");
//清空缓存
scanf("%*[^\n]") ;
scanf("%*c");
sign=getchar();
i++;
}
return (n + i);
}
//browse information
void browse_infor(STUDENT stu[], int n)
{
int i;
printf("\n\n");
printf("\t\t学号\t姓名\t成绩\n\n");
for (i = 0; i < n; i++)
{
printf("\t\t%s\t%s\t %d\n",stu[i].num,stu[i].name,stu[i].score);
}
}
//find information
void find_infor(STUDENT stu[], int n)
{
int option;
int i = 0;
char search_num[10] = { 0 };
char search_name[20] = { 0 };
printf("\n\t\t\t1、按学号查找\n");
printf("\t\t\t2、按姓名查找\n");
printf("\n\t\t\t请选择相应的选项：");
scanf("%d",&option);
system("cls");
if (1 == option)
{
printf("\n\t\t请输入要查找的学号：");
scanf("%s", search_num);
while ((strcmp(stu[i].num, search_num) != 0) && i < n)
{
i++;
}
}
if (2 == option)
{
printf("\n\t\t请输入要查找的姓名：");
scanf("%s", search_name);
while ((strcmp(stu[i].name, search_name) != 0) && i < n)
{
i++;
}
}
if (i == n)
{
printf("\n\t\t未找到！");
return;
}
printf("\n\t\t学号：%s\n", stu[i].num);
printf("\t\t姓名：%s\n", stu[i].name);
printf("\t\t成绩：%d\n", stu[i].score);
}
//modify information
int modify_infor(STUDENT stu[], int n)
{
int option, choice;
int i = 0;
char old_temp[20] = { 0 };
char new_temp[20] = { 0 };
float new_score;
printf("\n\t\t\t1、按学号查找修改\n");
printf("\t\t\t2、按姓名查找修改\n");
printf("\n\t\t请输入选项选择功能：");
scanf("%d", &option);
system("cls");
if (1 == option)
{
printf("\n\t\t请输入学号：");
scanf("%s", &old_temp);
while ((strcmp(stu[i].num, old_temp) != 0) && i < n)
{
i++;
}
if (i == n)
{
printf("\n\t\t未找到！");
}
}
if (2 == option)
{
printf("\n\t\t请输入姓名：");
scanf("%s", &old_temp);
while ((strcmp(stu[i].name, old_temp) != 0) && i < n)
{
i++;
}
if (i == n)
{
printf("\n\t\t未找到！");
}
}
printf("\n\t\t待修改学生的信息：\n");
printf("\n\t\t学号：%s\n\t\t姓名：%s\n\t\t成绩：%d\n", stu[i].num, stu[i].name, stu[i].score);
printf("\n\t\t请选择要修改的信息（1.学号 2.姓名 3.成绩）：");
scanf("%d", &choice);
if (1 == choice)
{
printf("\n\t\t输入修改后的学号：");
scanf("%s", &new_temp);
strcpy(stu[i].num, new_temp);
printf("\t\t修改成功！\n");
}
if (2 == choice)
{
printf("\n\t\t输入修改后的姓名：");
scanf("%s", &new_temp);
strcpy(stu[i].name, new_temp);
printf("\t\t修改成功！\n");
}
if (3 == choice)
{
printf("\n\t\t输入修改后的成绩：");
scanf("%f", &new_score);
stu[i].score = new_score;
printf("\t\t修改成功！\n");
}
return n;
}
//sort the score
void sort_score(STUDENT stu[], int n)
{
int i, j;
int * p, * q, s;
char temp[20];
for (i = 0; i < n - 1; i++)
{
for (j = 0; j < n - 1 - i; j++)
{
if (stu[j].score > stu[j + 1].score)
{
strcpy(temp, stu[j].num);
strcpy(stu[j].num, stu[j + 1].num);
strcpy(stu[j + 1].num, temp);
strcpy(temp, stu[j].name);
strcpy(stu[j].name, stu[j+1].name);
strcpy(stu[j+1].name,temp);
p = &stu[j].score;
q = &stu[j + 1].score;
s = *p;
*p = *q;
*q = s;
}
}
}
}
//delete information
int delete_infor(STUDENT stu[], int n)
{
char search_num[10] = { 0 };
char search_name[20] = { 0 };
int i = 0;
int j;
int option;
printf("\n\t\t\t1、按学号查找删除\n");
printf("\t\t\t2、按姓名查找删除\n");
printf("\n\t\t\t请输入选项选择功能：");
scanf("%d", &option);
system("cls");
if (1 == option)
{
printf("\n\t\t请输入要删除的学生的学号：");
scanf("%s", &search_num);
while ((strcmp(stu[i].num, search_num)) != 0 && (i < n))
{
i++;
}
if (i == n)
{
printf("\t\t未找到！\n");
return n;
}
}
if (2 == option)
{
printf("\n\t\t请输入要删除的学生的姓名：");
scanf("%s", &search_name);
while ((strcmp(stu[i].num, search_name) != 0) && (i < n))
{
i++;
}
if (i == n)
{
printf("\t\t未找到！\n");
return n;
}
}
for (j = i; j < n; j++)
{
strcpy(stu[j].num, stu[j + 1].num);
strcpy(stu[j].name, stu[j + 1].name);
stu[j].score = stu[j + 1].score;
}
printf("\t\t删除成功！\n");
return (n - 1);
}
//write to file
void writetofile(STUDENT stu[], int n)
{
FILE* fp;
int i = 0;
char filename[20] = { 0 };
printf("\n\t\t\t请输入文件名称：");
scanf("%s", filename);
if ((fp = fopen(filename, "w")) == NULL)
{
printf("\n\t\t\t打开文件失败！\n");
return;
}
fprintf(fp, "%d\n", n);
while (i < n)
{
fprintf(fp, "%-6s%-10s%d\n", stu[i].num, stu[i].name, stu[i].score);
i++;
}
fclose(fp);
printf("\n\t\t\t写入文件成功！\n");
}
//read from file
int readfromfile(STUDENT stu[], int n)
{
FILE* fp;
int i, num;
char filename[20];
i = 0;
printf("\n\t\t\t请输入文件名称：");
scanf("%s", filename);
if ((fp = fopen(filename, "r")) == NULL)
{
printf("\n\t\t\t无法打开文件！\n");
return n;
}
fscanf(fp, "%d", &num);
while (i < num)
{
fscanf(fp, "%-5s%-10s%d\n", stu[n + i].num, stu[n + i].name, stu[n + i].score);
i++;
}
n += num;
fclose(fp);
printf("\n\t\t\t读出数据成功！\n");
return n;
}
int main()
{
int select = 0;
int n = 0;
while (1)
{
system("cls");
home_page();
printf("\t\t输入标号选择功能： ");
scanf("%d", &select);
switch (select)
{
case 1:
system("cls");
printf("\n\t\t********录入学生成绩信息********\n");
n = add_infor(stu, n);
break;
case 2:
system("cls");
printf("\n\t\t********浏览学生成绩信息********\n");
browse_infor(stu, n);
getchar();
break;
case 3:
system("cls");
printf("\n\t\t**********查询学生信息**********\n");
find_infor(stu, n);
getchar();
break;
case 4:
system("cls");
printf("\n\t\t*********修改学生信息*********\n");
n = modify_infor(stu, n);
getchar();
break;
case 5:
system("cls");
printf("\n\t\t*********按成绩排序*********\n");
sort_score(stu, n);
printf("\n\t\t\t排序成功！");
getchar();
break;
case 6:
system("cls");
printf("\n\t\t*********删除学生信息*********\n");
n = delete_infor(stu, n);
getchar();
break;
case 7:
system("cls");
printf("\n\t\t********向文件写入数据********\n");
writetofile(stu, n);
getchar();
break;
case 8:
system("cls");
printf("\n\t\t********从文件读出数据********\n");
n = readfromfile(stu, n);
getchar();
break;
default:
system("cls");
printf("\n\n\t\t**********谢谢使用！**********\n");
exit(0);
break;
}
getchar();
}
}
