second commit

查找函数.cpp

@@ -0,0 +1,45 @@
+void enter()
+{
+	int i,m=0;
+	char n;
+	char to[20],ch[2];
+	printf("请输入单词: ");
+	scanf("%s",to);
+	FILE *fp;
+	if((fp=fopen("data.txt","ab+"))==NULL)
+	{
+		printf("文件不存在!\n");
+		exit(1);
+	}
+	while(!feof(fp))
+	{
+		if(fread(&inf[m],LEN,1,fp)==1)
+		{
+			if(strcmp(to,inf[m].word)==0)
+			{
+				printf("释义: ");
+			    printf("%s\n",inf[m].mean);
+			    printf("是否继续?");
+			    printf("按Y或y表示继续,按其它键返回\n"); 
+			    scanf("%c",&n);
+			    fclose(fp);
+			    return;
+		    }
+		}
+		m++;
+	}
+	printf("无此单词!\n");
+	printf("是否继续?");
+	printf("按Y或y表示继续,按其它键返回\n"); 
+	scanf("%c",&n);
+	fclose(fp);
+	return;
+	if(m==0)
+	printf("文件中无记录!\n");
+	if((fp=fopen("data.txt","ab+"))==NULL)
+	{
+		printf("文件不存在!\n");
+		return;
+	}
+	fclose(fp);
+}