网络第6天

将字典导入数据库中

#include <myhead.h>

int sql_insert(sqlite3* db,char* key,char* value);

int main(int argc, const char *argv[])
{
	//打开数据库
	sqlite3* db=NULL;
	if(sqlite3_open("./dict.db",&db)!=SQLITE_OK){
		printf("%d:%s,__%d__\n",sqlite3_errcode(db),sqlite3_errmsg(db),__LINE__);
		return -1;
	}
	printf("打开数据库成功\n");

	//打开数据表
	char* errmsg=NULL;
	char sql[100]="create table if not exists dict (key char,value char);";
	if(sqlite3_exec(db,sql,NULL,NULL,&errmsg)!=SQLITE_OK){
		printf("%s,__%d__\n",errmsg,__LINE__);
	}

	FILE* fd_r=fopen("./dict.txt","r");
	char key[50]="";
	char value[50]="";
	int res1=0;
	char* res2=NULL;

	//将文本循环读出来
	while(1){
		res1=fscanf(fd_r,"%s",key);
		res2=fgets(value,sizeof(value),fd_r);
		if(res1==-1||res2==NULL){
			break;
		}
		//写入数据库
		sql_insert(db,key,value);
		//	printf("%s %s\n",key,value);
	}

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

int sql_insert(sqlite3* db,char* key,char* value)
{
	char sql[100]="";
	char* errmsg=NULL;

	sprintf(sql,"insert into dict values ('%s','%s');",key,value);
	if(sqlite3_exec(db,sql,NULL,NULL,&errmsg)!=SQLITE_OK){
		printf("%s,__%d__\n",errmsg,__LINE__);
		return -1;
	}
	return 0;
}

使用 sqlitebrowser dict.db 查看图形化界面