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@@ -0,0 +1,52 @@
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+<?php
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+
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+class PdoHelper {
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+ private $_pdo = null;
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+ public function connectDb(){
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+ /**
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+ * 连接数据库
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+ */
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+ $db = Config['database']['driver'];
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+ $db .= ":host=".Config['database']['host'];
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+ $db .= ";port=".Config['database']['port'];
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+ $db .= ";dbname=".Config['database']['name'];
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+ $db .= ";user=".Config['database']['user'];
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+ $db .= ";password=".Config['database']['password'].";";
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+ echo 'connect to db host='.Config['database']['host'] . ' name='.Config['database']['name'].PHP_EOL;
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+ try {
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+ $PDO = new PDO($db,
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+ Config['database']['user'],
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+ Config['database']['password'],
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+ array(PDO::ATTR_PERSISTENT=>true));
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+ }catch(PDOException $e) {
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+ echo 'connect to db fail'.PHP_EOL;
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+ print $e->getMessage();
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+ return false;
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+ }
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+ $PDO->setAttribute(PDO::ATTR_ERRMODE, PDO::ERRMODE_EXCEPTION);
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+ $this->_pdo = $PDO;
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+ }
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+ public function dbSelect($query, $params=null)
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+ {
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+ if($this->_pdo === null){
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+ return false;
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+ }
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+ if (isset($params)) {
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+ $stmt = $this->_pdo->prepare($query);
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+ $stmt->execute($params);
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+ } else {
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+ $stmt = $this->_pdo->query($query);
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+ }
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+ return $stmt->fetchAll(PDO::FETCH_ASSOC);
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+ }
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+ public function execute($query, $params=null)
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+ {
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+ if (isset($params)) {
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+ $stmt = $this->_pdo->prepare($query);
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+ $stmt->execute($params);
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+ return $stmt;
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+ } else {
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+ return $this->_pdo->query($query);
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+ }
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+ }
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+}
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