c语言词典软件哪个好,c语言，词典软件

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#include

#include

#include

#define MAXWORD 25

#define MAXMEAN 50

struct record { //记录结构_读者

char word[MAXWORD+1]; //key

char mean[MAXMEAN+1];

};

struct lnode { //链表结点结构

struct record data;

struct lnode *next;

};

/* 函数声明 */

void Add(struct lnode *list);

void Search(struct lnode *list);

void Edit(struct lnode *list);

void Delete(struct lnode *list);

void Display(struct lnode *list);

struct lnode *SearchPrimarykey(struct lnode *list, char *key);

void InsertList(struct lnode *list, struct lnode *n);

void FreeList(struct lnode *list);

void DisplayTableHead(void);

void DisplayRecord(struct lnode *r);

void DisplayMenu(void);

/* 主程序 */

int main(int argc, char *argv[])

{

struct lnode *dictionary;

/* 功能选择，依次为：退出、添加、查找、删除、显示所有记录 */

enum {EXIT, ADD, SEARCH, EDIT, DEL, DISP} function = DISP;

/* 头结点 */

dictionary = (struct lnode *)malloc(sizeof(struct lnode));

if(dictionary != NULL) {

dictionary->next = NULL; //初始化

}

while(function != EXIT) {

DisplayMenu();

scanf(“%d”,&function);

while(function < EXIT || function > DISP) {

scanf(“%d”,&function);

}

switch(function) {

case ADD:

Add(dictionary);

break;

case SEARCH:

Search(dictionary);

break;

case EDIT:

Edit(dictionary);

break;

case DEL:

Delete(dictionary);

break;

case DISP:

Display(dictionary);

break;

case EXIT:

function = 0;

break;

default:

printf(“Input Error! Please input the right word.”);

break;

}

}

FreeList(dictionary);

}

/* 添加 */

void Add(struct lnode *list)

{

int i;

struct record t;

struct lnode *n, *r;

/* 录入记录 */

printf(“Please input the word: “);

getchar();

gets(t.word);

fflush(stdin);

printf(“Please input the meaning:”);

gets( t.mean);

/* 判断记录是否已存在，若存在则显示记录，若不存在则添加记录 */

if((r = SearchPrimarykey(list, t.word)) == NULL) {

/* 申请lnode空间并初始化 */

n = (struct lnode *)malloc(sizeof(struct lnode));

if(n != NULL) {

/* 复制记录 */

strcpy((n->data).word,t.word);

strcpy((n->data).mean, t.mean);

/* 插入链表 */

InsertList(list, n);

}

} else {

printf(“Record Existed!n”);

DisplayTableHead();

DisplayRecord(r);

}

}

/* 修改 */

void Edit(struct lnode *list)

{

struct record t;

struct lnode *r, *p;

char e[MAXWORD];

p = list;

printf(“Please input the word you want to edit: “);

getchar();

gets(e);

if((r = SearchPrimarykey(list, e)) != NULL) {

fflush(stdin);

printf(“Please edit the word: “);

gets(t.word);

printf(“Please edit the meaning:”);

gets(t.mean);

/* 复制记录 */

strcpy((list->data).word,t.word);

strcpy((list->data).mean,t.mean);

} else {

printf(“Record cann’t find!n”);

}

}

/* 查找 */

void Search(struct lnode *list)

{

char e[MAXWORD];

struct lnode *r;

printf(“Please input the word you want to search: “);

getchar();

gets(e);

if((r = SearchPrimarykey(list, e)) != NULL) {

DisplayTableHead();

DisplayRecord(r);

} else {

printf(“Cann’t find the word.”);

}

}

/* 删除 */

void Delete(struct lnode *list)

{

char e[MAXWORD];

struct lnode *q, *p;

q = list;

p = list->next;

printf(“Please input the word you want to delete: “);

getchar();

gets(e);

while(p != NULL) {

if(strcmp((p->data).word, e) == 0) {

q->next = p->next;

free(p); /* 释放空间 */

return ; /* 函数返回 */

}

q = p;

p = p->next;

}

}

/* 显示所有记录 */

void Display(struct lnode *list)

{

int c = 0;

struct lnode *p = list->next;

printf(“n——— ReaderMessage Display ———n”);

DisplayTableHead();

while(p != NULL) {

DisplayRecord(p);

c++; /* 记录条数 */

p = p->next;

}

printf(“n——— Total: %d Record(s) ———n”,c);

}

/* 按主键查找 */

struct lnode *SearchPrimarykey(struct lnode *list, char *key)

{

struct lnode *p = list->next;

while (p != NULL) {

if(strcmp((p->data).word, key) == 0) {

return p;

}

p = p->next;

}

return NULL;

}

/* 将记录按姓名字母升序插入链表 */

void InsertList(struct lnode *list, struct lnode *n)

{

struct lnode *p = list;

while (p->next != NULL && strcmp((p->next->data).word, (n->data).word) < 0)

{

p = p->next;

}

n->next = p->next;

p->next = n;

}

/* 释放整个链表空间 */

void FreeList(struct lnode *list)

{

struct lnode *p = list;

while(p->next != NULL) {

p = p->next;

free(list);

list = p;

}

free(p);

}

/* 显示表头 */

void DisplayTableHead(void) {

printf(“%-10s %sn”,”WORD”,”MEANING”);

}

/* 显示一条记录 */

void DisplayRecord(struct lnode *r)

{

printf(“%-10s %sn”, (r->data).word, (r->data).mean);

}

/* 显示菜单 */

void DisplayMenu(void)

{

printf(“n——— ReaderMessage Menu ———n”);

printf(“nt1.Addnt2.Searchnt3.Editnt4.Delnt5.Displaynt0.Exitn”);

printf(“nPlease select the function number(0-5):”);

}

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