third

wenjian.cpp

@@ -0,0 +1,141 @@
+#include <stdio.h>
+#include <string.h>
+struct worker
+{
+long int num;
+char name[20];
+int age;
+char sex[4];
+char b[30];
+char p[15];
+};
+int n=0;
+struct worker stu[100];
+struct worker *p;
+void lr();
+void ll();
+void cx();
+void xg();
+void sc();
+void cd();
+void save();
+
+int main()
+
+
+
+{int N;
+
+	printf("欢迎    \n ");
+
+	printf("   1.进入主菜单\n");
+
+	printf("    2.退出程序\n");
+
+	printf("请选择；"); 
+
+	scanf("%d",&N);//这里调用主菜单函数
+
+	if(N==1)
+
+	cd();
+
+	else
+
+	return 0;
+
+	 
+
+}
+//主菜单函数
+
+void cd() 
+
+
+{
+
+	int x;
+
+	printf("1.录入\n");
+
+	printf("2.查询\n");
+
+	printf("3.搜索\n");
+
+	printf("4.修改\n");
+
+	printf("5.删除\n");
+
+	printf("请选择；");
+
+	scanf("%d",&x);
+
+	switch(x)
+
+	{
+
+		case 1: lr();break;
+
+		case 2: printf("查询");break;
+
+		case 3: printf("搜索");break;
+
+		case 4: printf("修改");break;
+
+		case 5: printf("删除");break;
+
+		default:printf("请输入正确数值");break;
+
+		 
+
+	}
+
+ 
+
+}
+void lr()/*录入函数*/
+{
+int y,s;
+if(n==0)
+p=stu;
+do
+{
+printf("--------------------\n");
+printf("请输入职工的职工号:");
+scanf("%ld",&p->num);
+printf("请输入职工的姓名:");
+scanf("%s",p->name);
+printf("请输入职工的年龄:");
+scanf("%d",&p->age);
+printf("请输入职工的性别:");
+scanf("%s",p->sex);
+printf("请输入职工的地址:");
+scanf("%s",p->b);
+printf("请输入职工的电话:");
+scanf("%s",p->p);
+n++;
+p++;
+printf("\n1.继续输入.\n0.输入完毕.\n");
+printf("请选择：");
+scanf("%d",&y);
+}
+while(y==1);
+save();
+//printf("提示：输入完毕!你一共输入%d个\n",n);
+}
+void save() /*建立保存文件函数*/
+{
+FILE *fp; /*定义文件型指针*/
+int i;
+if((fp=fopen("student.txt","wb"))==NULL) /*打开输出文件*/
+{
+printf("不能打开文件！\n");
+return; /*终止程序*/
+}
+for(i=0;i<n;i++) /*向student文件中写入信息*/
+if(fwrite(&stu[i],sizeof(struct worker),1,fp)!=1)
+printf("文件写入错误\n");
+fclose(fp); /*关闭文件*/
+printf("\n\n\n\n\t\t\t学生信息保存成功!\n");
+cd();
+}