1.implode()和explode()方式
2.print_r()和自定义函数方式
3.serialize()和unserialize()方式
4.json_encode()和json_decode()方式<?php
// 将数组存入数据库中的四种方式详见我的博客 /the_victory
//1.implode和explode方式
//2.print_r和自定义函数方式
//3.serialize和unserialize方式
//4.json_encode和json_decode方式
// 如果想运行该文件，需要建立数据库admin,和数据表test,或者修改代码
// //---------------------------------------------------------------
// CREATE TABLE `test` (
// `id` int(10) unsigned NOT NULL AUTO_INCREMENT key,
// `array` text,
// ) ENGINE=InnoDB DEFAULT CHARSET=utf8 ;
//定义用print_r将数组存储到数据库中的类
header('content-type:text/html; charset=utf8');
define("DB_HOST","localhost");
define("DB_USER","root");
define("DB_PWD","0227");
define("DB_DBNAME","admin");
define("DB_CHARSET","utf8");
// 定义逆置print_r值的类
class Trie {
protected $dict = array();
protected $buf = '';
function set($word, $value='') {
if(is_array($word)) foreach($word as $k=>$v) $this->set($k, $v);
$p =& $this->dict;
foreach(str_split($word) as $ch) {
if(! isset($p[$ch])) $p[$ch] = array();
$p =& $p[$ch];
}
$p['val'] = $value;
return $this;
}
function parse($str) {
$this->doc = $str;
$this->len = strlen($str);
$i = 0;
while($i < $this->len) {
$t = $this->find($this->dict, $i);
if($t) {
$i = $t;
$this->buf = '';
}else $this->buf .= $this->doc{$i++};
}
}
protected function find(&$p, $i) {
if($i >= $this->len) return $i;
$t = 0;
$n = $this->doc{$i};
if( isset($p[$n]) ) $t = $this->find($p[$n], $i+1);
if($t) return $t;
if( isset($p['val']) ) {
$ar = explode(',', $p['val']);
call_user_func_array( array($this, array_shift($ar)), $ar );
return $i;
}
return $t;
}
function __call($method, $param) {
echo "****\n$this->buf 未定义方法:$method 参数:" . join(',', $param) . "
\n";
}
}
class App extends Trie {
public $res = array();
protected $stack = array();
protected $keyname = '';
protected $buf = '';
function __construct() {
$this->stack[] =& $this->res;
}
protected function group() {
if(! $this->keyname) return;
$cnt = count($this->stack) - 1;
$this->stack[$cnt][$this->keyname] = array();
$this->stack[] =& $this->stack[$cnt][$this->keyname];
$this->keyname = '';
}
protected function brackets($c) {
$cnt = count($this->stack) - 1;
switch($c) {
case ')':
if($this->keyname) $this->stack[$cnt][$this->keyname] = trim($this->buf);
$this->keyname = '';
array_pop($this->stack);
break;
case '[':
if($this->keyname) $this->stack[$cnt][$this->keyname] = trim($this->buf);
break;
case ']':
$this->keyname = $this->buf;
}
$this->buf = '';
}
}
//类结束
//
//
//连接数据库
function connect(){
$link = @mysql_connect(DB_HOST,DB_USER,DB_PWD) or die("数据库连接失败ERR:".mysql_errno().":".mysql_error());
mysql_select_db(DB_DBNAME) or die("打开数据库失败");//mysql_errno()即显示错误数量；mysql_error()即显示错误信息；
$sql = 'set names '.DB_CHARSET;
mysql_query($sql) or die ("设置字符集失败");
return $link;
}
//插入数据库函数
function insert($table, $array){
$keys = join(",",array_keys($array));
$vals = "'".join("','",array_values($array))."'";
$sql = "insert {$table}({$keys})values({$vals})";
mysql_query($sql);
return mysql_insert_id();
}
//提取刚刚插入的数据
function select($table){
$sql = "select array from {$table} order by id desc";
if($result = mysql_query($sql)){
$values = mysql_fetch_assoc($result);
$value = array_pop($values);
}else{
echo '提取失败';
}
return $value;
}
//implode方式 一维数组可以，二维数组不可以，并且关联数组无效
function plode($table,$arr){
echo '
implode方式
原数组,未插入前:';
var_dump($arr);
$str = addslashes(implode(",", $arr));
$insert = array('id'=>'','array'=>$str);
if(insert($table,$insert)){
echo "插入成功.
";
}else{
echo "插入失败";
exit;
}
$value = select($table);
echo '
';
var_dump($value);
$explode = explode(",",$value);
echo '
';
var_dump($explode);
}
// print_r方式
function printR($table,$arr){
echo '
print_r方式
原数组,未插入前:>';
var_dump($arr);
$print = addslashes(print_r($arr, true));
$insert = array('id'=>'','array'=>$print);
insert($table,$insert);
$value = select($table);
echo '
';
var_dump($value);
$p = new App;
$p->set('Array','group')
->set('[','brackets,[')
->set('] =>','brackets,]')
->set(')','brackets,)');
$p->parse($value);
echo '
';
var_dump($p->res);
}
// serialize方式
function serial($table,$arr){
echo '
serialize方式
原数组,未插入前:';
var_dump($arr);
$serialize = addslashes(serialize($arr));
$insert = array('id'=>'','array'=>$serialize);
insert($table,$insert);
$value = select($table);
echo '
';
var_dump($value);
$serialize = unserialize($value);
echo '
';
var_dump($serialize);
}
//json方式
function json($table,$arr){
echo '
json_encode方式
原数组,未插入前:';
var_dump($arr);
$enjson = addslashes(json_encode($arr));
$insert = array('id'=>'','array'=>$enjson);
insert($table,$insert);
$value = select($table);
echo '
';
var_dump($value);
$deunjson = json_decode($value,true);
echo '
';
var_dump($deunjson);
}
// 执行函数
//函数end
?>
一维数组
二维数组
implode方式
print_r方式
serialize方式
json_encode方式
if(!empty($_GET['submit'])){
$kind = $_GET['kind'];
$id = $_GET['id'];
}else{
echo "请选择后按提交键";
exit;
}
connect();
$ar1 =array('abcd'=>"sdfasdf",'bbb'=>'lxg','ccc'=>'bbbbbbbbb');//定义一个一维数组
$ar2 = array('a'=>$ar1,'b'=>$ar1);//二维数组
$table = "test";//使用的数据表
if($kind=='1'){
$arr = $ar1;
}else{
$arr = $ar2;
}
switch ($id) {
case '1':
# code...
plode($table, $arr);
break;
case '2':
printR($table,$arr);
break;
case '3':
serial($table,$arr);
break;
case '4':
json($table,$arr);
break;
default:
break;
}
?>
