php读取sqlite数据库入门实例_PHP教程

WBOY
Freigeben: 2016-07-13 10:27:20
Original
981 Leute haben es durchsucht

php读取sqlite数据库的例子,php编程中操作sqlite入门实例.
原文参考:http://www.jbxue.com/article/php/22383.html
在使用SQLite前,要确保php.ini中已经启用sqlite和pdo配置

打开PHP.INI文件,打下以下扩展:
extension=php_pdo.dll

extension=php_pdo_sqlite.dll
extension=php_sqlite.dll
sqlite_open命令是打开一个数据库文件。
如果没有文件则创建。

sqlite_query可以执行SQL语句。
创建一个表并插入数据。

sqlite_unbuffered_query发出SELECT语句。
循环并显示结果。

unable to open a temporary database file for storing temporary tables
无法打开存储临时表的临时数据库文件,在Windows环境中,如果出现上述错误,
请使用putenv("TMP=C:/temp");指定临时文件夹。

具体请看代码:

<?<span>php
</span><span>//</span><span>临时目录 在Windows环境中,如果出现上述错误,请使用putenv("TMP=C:/temp");指定临时文件夹。
//putenv("TMP=C:/temp");

//打开数据库 www.jbxue.com</span>
<span>if</span> (<span>$db</span> = <span>sqlite_open</span>("test.db",0666,<span>$sqliteerror</span><span>)) {

</span><span>//</span><span>创建表</span>
<span>sqlite_query</span>(<span>$db</span>, "create table user(id integer primary key,name text);"<span>);

</span><span>//</span><span>INSERT语句</span>
<span>$sql</span> = "insert into user values(NULL, '名字')"<span>;

</span><span>//</span><span>执行SQL语句</span>
<span>$res</span> = <span>sqlite_query</span>(<span>$db</span>, <span>$sql</span><span>);

</span><span>//</span><span>SELECT语句</span>
<span>$sql</span> = "select * from user order by id desc limit 20"<span>;

</span><span>//</span><span>执行SQL语句</span>
<span>$res</span> = <span>sqlite_unbuffered_query</span>(<span>$db</span>, <span>$sql</span><span>);

</span><span>//</span><span>显示结果</span>
<span>while</span> (<span>$item</span> = <span>sqlite_fetch_array</span>(<span>$res</span>,<span> SQLITE_ASSOC)) {
</span><span>print</span> "ID:".<span>$item</span>["id"] ."NAME:".<span>$item</span>["name"<span>];
</span><span>print</span> "<BR>"<span>;
};

</span><span>//</span><span>关闭数据库</span>
<span>sqlite_close</span>(<span>$db</span><span>);

} </span><span>else</span><span> {
</span><span>print</span> <span>$sqliteerror</span><span>;
}
</span>?>
Nach dem Login kopieren

PHP+SQLite数据库操作教程与实例

<?<span>php
</span><span>//</span><span>设置脚本最大执行时间</span>
<span>set_time_limit</span>(0<span>);
</span><span>//</span><span>sqlite数据库文件名</span>
<span>$db_name</span> = 'md5.db'<span>;
</span><span>//</span><span>打开sqlite数据库</span>
<span>$db</span> = <span>sqlite_open</span>(<span>$db_name</span><span>);
</span><span>//</span><span>异常处理</span>
<span>if</span>( !<span>$db</span><span> ) {
</span><span>echo</span> '不能连接SQlite文件:',<span>$db_name</span>,'<br />'<span>;
}</span><span>else</span><span>{
</span><span>echo</span> '成功连接SQlite文件:',<span>$db_name</span>,'<br />'<span>;
}
</span><span>//</span><span>创建数据表:MD5密码表</span>
<span>sqlite_query</span>(<span>$db</span>, "CREATE TABLE md5 (s int(4) PRIMARY KEY,d varchar(32))"<span>);
</span><span>//</span><span>插入记录</span>
<span>$s</span> = 0<span>;
</span><span>while</span>(<span>$s</span> <= 999999<span>){
</span><span>$d</span> = <span>md5</span>(<span>$s</span><span>);
</span><span>sqlite_query</span>(<span>$db</span>, "INSERT INTO md5 VALUES (<span>$s</span>,'{<span>$d</span>}')"<span>);
</span><span>$s</span>++<span>;
}
</span><span>//</span><span>检索所有记录</span>
<span>$result</span> = <span>sqlite_query</span>(<span>$db</span>, 'SELECT * FROM md5'<span>);
</span><span>echo</span> '<pre class="brush:php;toolbar:false">'<span>;
</span><span>while</span> (<span>$row</span> = <span>sqlite_fetch_array</span>(<span>$result</span>,<span> SQLITE_BOTH)) {
</span><span>echo</span> 'Md5:',<span>$row</span>['d'],' Src:',<span>$row</span>['s'], '<br />'<span>;
}
</span><span>echo</span> '
Nach dem Login kopieren
'; //关闭SQLite连接 sqlite_close($db); ?>

php读取sqlite入门版

<?<span>php
</span><span>//</span><span>打开sqlite数据库
//$db = @sqlite_open("MM.sqlite", 0666, $error); // 不支持
//$db = new PDO('sqlite:MM.sqlite');
//异常处理</span>
<span>if</span> (!<span>$db</span>) <span>die</span>("Connection Sqlite failed.\n"<span>);
</span><span>//</span><span>添加一个叫做foo的数据库
//@sqlite_query($db, "CREATE TABLE foo (bar varchar(10))");
//插入一条记录
//@sqlite_query($db, "INSERT INTO foo VALUES ('fnord')");
//检索所有记录</span>
<span>$result</span> = <span>$db</span>->query('select BottleEncryptUsrName from BottleTable4'<span>);
</span><span>//</span><span>打印获取的结果</span>
<span>foreach</span>(<span>$result</span> <span>as</span> <span>$row</span><span>){
</span><span>echo</span> <span>$row</span>[0<span>];
</span><span>echo</span> "<br>"<span>;
}
</span>?>
Nach dem Login kopieren

www.bkjia.comtruehttp://www.bkjia.com/PHPjc/818150.htmlTechArticlephp读取sqlite数据库的例子,php编程中操作sqlite入门实例. 原文参考:http://www.jbxue.com/article/php/22383.html 在使用SQLite前,要确保php.ini中已经启...
Verwandte Etiketten:
Quelle:php.cn
Erklärung dieser Website
Der Inhalt dieses Artikels wird freiwillig von Internetnutzern beigesteuert und das Urheberrecht liegt beim ursprünglichen Autor. Diese Website übernimmt keine entsprechende rechtliche Verantwortung. Wenn Sie Inhalte finden, bei denen der Verdacht eines Plagiats oder einer Rechtsverletzung besteht, wenden Sie sich bitte an admin@php.cn
Beliebte Tutorials
Mehr>
Neueste Downloads
Mehr>
Web-Effekte
Quellcode der Website
Website-Materialien
Frontend-Vorlage
Über uns Haftungsausschluss Sitemap
Chinesische PHP-Website:Online-PHP-Schulung für das Gemeinwohl,Helfen Sie PHP-Lernenden, sich schnell weiterzuentwickeln!