将字典导入到数据库中

#include "myhead.h"
int main(int argc, const char *argv[])
{		
	//打开数据库
	sqlite3 *db;
	if(sqlite3_open("./sq.db",&db)!=SQLITE_OK)
	{
		fprintf(stderr,"sqlite3_open:%s %d __%d__\n",\
				sqlite3_errmsg(db),sqlite3_errcode(db),__LINE__);
		return -1;
	}
	printf("sqlite3_open success\n");
	FILE *fp=fopen("./dict.txt","r");
	if(fp==NULL)
	{
		fprintf(stderr,"line:%d ",__LINE__);
		perror("fopen");
		return -1;
	}
	//创建一个表格,sql怎么写代码就怎么写
	//char *ptr="create table stu(id int ,name char ,score float)";
	char str[]="create table if not exists dict(word char,meaning char)";
	char *errmsg=NULL;
	if(sqlite3_exec(db,str,NULL,NULL,&errmsg)!=SQLITE_OK)
	{
		fprintf(stderr,"sqlite3_exec:%s __%d__\n",errmsg,__LINE__);
		return -1;
	}
	printf("create table stu success\n");
	
	char buf1[128]="";
	char buf2[128]="";
	ssize_t res=0;
	while(1)
	{
		if(fgets(buf1, sizeof(buf1), fp) == NULL)
		{
			break;
		}

		buf1[strlen(buf1)-1] = 0;
		char *word=buf1;
		char *meaning=buf1;
			char* p = word;
		while(*p++ != ' ');
		p--;

		char* q = p;
		
		if(*(++p) == ' ')
		{
			*q = 0;
			while(*p++ == ' ');
			p--;
			meaning = p;
		}
		else
		{
			p++;
			while(*p++ != ' ');
			q = p;

			*q = 0;
			while(*p++ == ' ');
			p--;
			meaning = p;
		}
		//插入数据
		sprintf(buf2, "insert into dict values (\"%s\",\"%s\");", word, meaning);
		char *errmsg2 = NULL;
		if(sqlite3_exec(db, buf2, NULL, NULL, &errmsg2) != SQLITE_OK)
		{
			fprintf(stderr, "__%d__ sqlite3_exec:%s\n", __LINE__, errmsg2);
			return -1;
		}

	}
	//关闭数据库
	if(sqlite3_close(db)!=SQLITE_OK)
	{
		fprintf(stderr,"sqlite3_close:%s %d __%d__\n",\
				sqlite3_errmsg(db),sqlite3_errcode(db),__LINE__);
		return -1;
	}
	printf("sqlite3_close success\n");
	fclose(fp);
	return 0;
}

将字典导入到数据库中_第1张图片

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