first commit

查询.c

@@ -0,0 +1,15 @@
+void chaxun()
+{
+	int i;
+	FILE *fp=fopen("users.txt","r");
+	for(i=0;i<n;i++)
+	{
+		fscanf(fp,"%s %s %f\n",&zh[i].gUser,&zh[i].gMima,&zh[i].YuE);
+		if(i==h)
+		{
+			printf("您的当前余额为：%f\n",zh[h].YuE);
+			break;
+		}
+	}
+	fclose(fp);
+}

转账.c

@@ -0,0 +1,71 @@
+void zhuanzhang()
+{
+	int j,s=1,i,a;
+	float k;
+	char User[10];
+	FILE *fp=fopen("users.txt","r");
+	FILE *fps=fopen("zhzh.txt","w");
+	while(s==1)
+	{
+		printf("请输入目标账户：");
+		scanf("%s",User);
+		for(j=0;j<n;j++)
+		{
+			fscanf(fp,"%s %s %f\n",&zh[j].gUser,&zh[j].gMima,&zh[j].YuE);
+			if(strcmp(zh[j].gUser,User)==0)
+			{
+				s=2;
+				break;
+			}
+			if(j==n)
+			{
+				printf("目标账户不存在，请重新输入。\n");
+				fclose(fp);fclose(fps);
+				zhuanzhang();break;
+			}
+		}
+	}
+	while(s==2)
+	{
+		printf("请输入转账金额：");
+		scanf("%f",&k);
+		for(i=0;i<n;i++)
+		{
+			fscanf(fp,"%s %s %f\n",&zh[i].gUser,&zh[i].gMima,&zh[i].YuE);
+			if(i==h)
+			{
+				if(k<=zh[i].YuE)
+				{
+					zh[i].YuE=zh[i].YuE-k;
+					printf("转账成功！\n您的当前余额为： %.2f\n",zh[i].YuE);
+					fprintf(fps,"%s %s %f\n",zh[i].gUser,zh[i].gMima,zh[i].YuE);
+				}
+				else
+				{
+					printf("余额不足，请重新输入。\n");
+					fclose(fp);fclose(fps);
+					zhuanzhang();break;
+				}
+			}
+			else if(i==j)
+				{
+					zh[i].YuE=zh[i].YuE+k;
+					fprintf(fps,"%s %s %f\n",zh[i].gUser,zh[i].gMima,zh[i].YuE);
+				}
+			else 
+			{
+			fprintf(fps,"%s %s %f\n",zh[i].gUser,zh[i].gMima,zh[i].YuE);
+			}
+		}
+		printf("请按0返回主界面！\n");
+		scanf("%d",&a);
+		if(a==0) 
+		{
+			system("cls");
+			welcome3();	
+		}
+		fclose(fp);fclose(fps);
+		remove("users.txt");
+		rename("zhzh.txt","users.txt");
+	}
+}