一、安装sqlite3
1、下载最新版的sqlite3,网址:http://www.sqlite.org/download.html
下载sqlite-autoconf-3130000.tar.gz
2、下载成功后解压并安装
tar -zxvf sqlite-autoconf-3130000.tar.gz
cd sqlite-autoconf-3130000
./configure
make
sudo make install
二、测试
在任意目录下新建一个数据库,比如sample
命令:sqlite3 sample
会出现如下提示:
SQLite version 3.13.0 2016-05-18 10:57:30
Enter ".help" for usage hints.
sqlite>
Enter ".help" for usage hints.
sqlite>
输入 .help可以看到命令列表
输入sql语句create table user(username text primary key, password text); 建一张user表
输入sql语句insert into user values("tianyou121", "123"); 插入一个用户。
输入sql语句select * from user; 可以查看user表.
输入sql命令是记得结尾的';'号。
输入sql语句insert into user values("tianyou121", "123"); 插入一个用户。
输入sql语句select * from user; 可以查看user表.
输入sql命令是记得结尾的';'号。
用代码测试:
/*********************************************************************************
* Copyright: (C) 2016 huangan
* All rights reserved.
*
* Filename: sqlite.c
* Description: This file
*
* Version: 1.0.0(05/24/2016)
* Author: huangan <[email protected]>
* ChangeLog: 1, Release initial version on "05/24/2016 07:18:01 AM"
*
********************************************************************************/
#include <stdio.h>
#include <stdlib.h>
#include <sqlite3.h>
int myfunc(void *p, int argc, char **argv, char **argvv)
{
int i;
*(int *)p = 0;
for(i =0; i < argc; i++)
{
printf("%s = %s ", argvv[i], argv[i] ? argv[i] :"NULL");
}
putchar('\n');
return 0;
}
int main(int argc, char *argv[])
{
sqlite3 *db;
char *err =0;
int ret =0;
int empty =1;
ret = sqlite3_open("sample",&db);
if(ret !=SQLITE_OK)
{
fputs("\n",stderr);
return -1;
}
ret = sqlite3_exec(db, "select * from user;", myfunc, &empty, &err);
if(ret != SQLITE_OK)
{
fputs(err,stderr);
fputs("\n",stderr);
sqlite3_close(db);
return -1;
}
if(empty)
{
fputs("table student is empty\n", stderr);
return -1;
}
sqlite3_close(db);
return -1;
}
:gcc sqlite.c -lsqlite3 (PS:要加上-lsqlite3 指定库文件)
./a.out
就会输出:
OK,成功!!!!!