如何用C编写一个记事本
RT，像TC那样的可以
[解决办法]
http://topic.csdn.net/t/20050622/09/4098180.html
参考一下吧～
[解决办法]
其实就是 文本编辑工具了，
给个参考例子吧。
小型的文本编辑器（使用能通配符*和？）使用时确保你要处理的文件在当前工作目录下。
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <conio.h>
typedef struct {
char word[20];
int length;
}wordtype;
wordtype seekword; /*seekword用来放要查找的词*/
wordtype save; /*save用来临时成放从文件中读出的词*/
int check(char ch) /*检查是否是合法的字符*/
{
if(ch <= '9 '&&ch> = '0 '||ch <= 'z '&&ch> = 'a '||ch <= 'Z '&&ch> = 'A ')
return 1;
else
return 0;
}
void length() /*计算seekword 和save中的word[]的长度*/
{
int i;
seekword.length=0;
save.length=0;
for(i=0;seekword.word[i]!= '\0 ';i++)
;
seekword.length=i;
for(i=0;save.word[i]!= '\0 ';i++)
;
save.length=i;
}
int compare() /*比较save和seekword中的word[]是否匹配，若匹配返回1，否则返回0* /
{
int length1,length2,i,j,flag1,flag2,breakpoint;
char segment1[20],segment2[20],ch;
if (seekword.length <=save.length){
for(i=0;i <20;i++){
if(seekword.word[i]== '? '||seekword.word[i]== '* '){
ch=seekword.word[i];
breakpoint=i;
}
}
if(ch== '? '||ch== '* '){
for(i=0;i <breakpoint;i++)
segment1[i]=seekword.word[i];
length1=breakpoint;
segment1[i]= '\o ';
for(j=breakpoint+1,i=0;j <seekword.length;j++,i++)
segment2[i]=seekword.word[j];
segment2[i]= '\0 ';
length2=i;
flag1=flag2=0;
for(i=0;i <length1;i++)
if(segment1[i]!=save.word[i]){
flag1=-1;
break;
}
if(flag1!=-1){
if((breakpoint==seekword.length-1)&&(ch== '? ')){
if(save.length==seekword.length)
return 1;
else
return 0;
}
for(i=0,j=save.length-length2;i <length2&&j <save.length;i++,j++)
if(segment2[i]!=save.word[j]){
flag2=-1;
break;
}
}
if(flag1==0&&flag2==0)
return 1;
else
return 0;
}
else{
if(strcmp(save.word,seekword.word)==0)
return 1;
else
return 0;
}
}
else
return 0;
}
void seek(char filename[10]) /*查找seekword在文件中的位置，并以（行，列）的形式输出*/
{
FILE *fp;
char ch;
int i,j,k,num;
typedef struct word_place{
char word[20];
int row;
int line;
struct word_place *next;
}seekplace;
seekplace *header,*link;
fp=fopen(filename, "r ");
if(fp==NULL){
printf( "The file can not be opened!\nMaybe the file is not in current working directory\n ");
exit(0);
}
if((link=(seekplace *)malloc(sizeof(seekplace)))==NULL){
printf( "There is no free space in momory! ");
exit(0);
}
header=link;
num=0;
if(feof(fp)){
printf( "The file is empty! ");
exit(0);
}
j=0;k=1;
while(!feof(fp)){
i=0;
while(check(ch=fgetc(fp))) {
j++;
save.word[i++]=ch;
if(i> 19){
printf( "sorry,the word is too long\n ");
exit(0);
}
}
j++;
for(;i <=19;i++)
save.word[i]= '\0 ';
length();
if(compare()!=0){
num++;
if((link-> next=(seekplace *)malloc(sizeof(seekplace)))==NULL){
printf( "There is no free palce in momery!\n ");
exit(0);
}
link=link-> next;
strcpy(link-> word,save.word);
link-> row=k;
link-> line=j-save.length;
link-> next=NULL;
}
if(ch== '\n '){
k++;
j=0;
}
}
printf( "\nThe word appears %d times in the file.\n\n ",num);
if(num!=0){
printf( "The place where it appears is (row ,line):\n ");
for(link=header-> next;link!=NULL;link=link-> next){
printf( "%s \t(%d ,%d)\n ",link-> word,link-> row,link-> line);
}
}
free(header);
if(fclose(fp)){
printf( "the file cannot be closed! ");
exit(0);
}
}
main()
{
int i;
char filename[10];
char ch;
do{
do{
clrscr();
printf( "\nInput the word you want to seek: ");
scanf( "%s ",seekword.word);
printf( "\n ");
printf( "Which file do you want to find the word in?\n(make sure the file is in the current working directory)\nPlease input the file name: ");
scanf( "%s ",filename);
seek(filename);
printf( "\n\n ");
printf( "Press 'Esc ' to exit,Press 'Return ' to continue.\n ");
ch=getch();
}while(ch==13);
if(ch==27)
exit(0);
if(ch!=27&&ch!=13)
printf( "Sorry! please tell me what do you want to do next.\n ");
}while(ch=getch()==13);
}
[解决办法]
http://www.programfan.com/club/showbbs.asp?id=219836
http://topic.csdn.net/t/20031106/22/2435614.html
