目录

将dict.txt导入到数据库中单词一列，意思一列

代码

结果

思维导图

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将dict.txt导入到数据库中单词一列，意思一列

代码

#include<myhead.h>
#include<sqlite3.h>

int do_create(sqlite3 *db);
int do_insert(sqlite3 *db, char * English, char *Chinese);
int msg_get(FILE *fp, char*pEng, char *pChin);
int do_init(sqlite3 *db);

int main(int argc, const char *argv[])
{
	//打开数据库
	sqlite3 * db;
	if(sqlite3_open("./dict.db", &db) != SQLITE_OK){
		printf("%d:sqlite3_open error %s\n",__LINE__, sqlite3_errmsg(db));
		return -1;
	}

	//初始化数据表
	do_init(db);

	//打开文件
	FILE *fp;
	char English[32] = "";
	char Chinese[64] = "";
	if(NULL == (fp=fopen("./dict.txt","r"))){
		printf("%d:",__LINE__);
		perror("fopen error");
		return -1;
	}

	//创建表格
	do_create(db);

	while(1){
		//从dict.txt中读取一行的数据
		bzero(English, sizeof(English));
		bzero(Chinese, sizeof(Chinese));
		msg_get(fp, English, Chinese);
		//将English和Chinese写入表格中
		do_insert(db, English, Chinese);

		printf("%s\t%s\n",English, Chinese);

		if(feof(fp)){
			printf("导入成功\n");
			break;
		}
	}

	//关闭数据库
	if(sqlite3_close(db) != SQLITE_OK){
		printf("%d:sqlite3_close error %s\n",__LINE__, sqlite3_errmsg(db));
		return -1;		
	}

	//关闭文件
	fclose(fp);
	return 0;
}

int msg_get(FILE *fp, char* pEng, char *pChin){
	char tmp = 0;
	int i = 0;
	while((tmp = fgetc(fp))!=' '){
		pEng[i] = tmp;
		i++;
		if(feof(fp)){
			return 0;
		}
	}
	i = 0;
	while(fgetc(fp)==' ');
	fseek(fp,-1,SEEK_CUR);
	while((tmp = fgetc(fp))!='\n'){
		pChin[i] = tmp;
		i++;
		if(feof(fp)){
			pChin[i-1] = 0;
			break;
		}
	}
	return 0;
}

int do_create(sqlite3 *db){
	if(db == NULL){
		printf("数据表不存在\n");
		return -1;
	}

	char sql[128] = "create table if not exists dict(ENGLISH char, TRANSLATION char);";

	char *errmsg = NULL;
	if(sqlite3_exec(db, sql, NULL, NULL, &errmsg) != SQLITE_OK){
		printf("%d:sqlite3_exec error %s\n",__LINE__, sqlite3_errmsg(db));
		return -1;		
	}

	//创建成功
	return 0;
}

int do_init(sqlite3 *db){
	if(db == NULL){
		printf("数据表不存在\n");
		return -1;
	}

	char sql[128] = "drop table dict;";

	char *errmsg = NULL;
	if(sqlite3_exec(db, sql, NULL, NULL, &errmsg) != SQLITE_OK){
		printf("%d:sqlite3_exec error %s\n",__LINE__, sqlite3_errmsg(db));
		return -1;		
	}

	//创建成功
	return 0;
}

//插入表格函数
int do_insert(sqlite3 *db, char * English, char *Chinese){
	if(db == NULL){
		printf("数据表不存在\n");
		return -1;
	}

	char sql[128] = "";
	snprintf(sql, sizeof(sql),"insert into dict values(\"%s\", \"%s\");",English, Chinese);

	char *errmsg = NULL;
	if(sqlite3_exec(db, sql, NULL, NULL, &errmsg) != SQLITE_OK){
		printf("%d:sqlite3_exec error %s\n",__LINE__, sqlite3_errmsg(db));
		return -1;		
	}

	return 0;
}

结果

思维导图