2020.02新版

2020-02-21 16:20:55 +08:00
parent 45e2415d71
commit a2f29a310b
755 changed files with 95144 additions and 0 deletions
--- a/includes/lib/PdoHelper.php
+++ b/includes/lib/PdoHelper.php
@@ -0,0 +1,211 @@
+<?php
+namespace lib;
+
+class PdoHelper
+{
+	private $sqlPrefix = "pre_";//SQL数据表前缀识别字符
+	private $db;
+	private $fetchStyle = \PDO::FETCH_ASSOC;
+	private $prefix;
+
+	/**
+	 * PdoHelper constructor.
+	 *
+	 * @param array $dbconfig 数据库信息
+	 */
+	function __construct($dbconfig)
+	{
+		$this->prefix = $dbconfig['dbqz'].'_';
+		try {
+			$this->db = new \PDO("mysql:host={$dbconfig['host']};dbname={$dbconfig['dbname']};port={$dbconfig['port']}",$dbconfig['user'],$dbconfig['pwd']);
+		} catch (Exception $e) {
+			exit('链接数据库失败:' . $e->getMessage());
+		}
+		$this->db->exec("set sql_mode = ''");
+		$this->db->exec("set names utf8");
+	}
+
+	/**
+	 * 设置结果集方式
+	 *
+	 * @param string $_style
+	 */
+	public function setFetchStyle($_style)
+	{
+		$this->fetchStyle = $_style;
+	}
+
+	/**
+	 * 替换数据表前缀
+	 * @param $_sql
+	 *
+	 * @return mixed
+	 */
+	private function dealPrefix($_sql){
+		return str_replace($this->sqlPrefix,$this->prefix,$_sql);
+	}
+
+	/**
+	 * 获取PDOStatement
+	 * @param string $_sql
+	 * @param array $_array
+	 *
+	 * @return \PDOStatement
+	 */
+	public function query($_sql, $_array = null)
+	{
+		$_sql = $this->dealPrefix($_sql);
+		if (is_array($_array)) {
+			$stmt = $this->db->prepare($_sql);
+			if($stmt) $stmt->execute($_array);
+		} else {
+			$stmt = $this->db->query($_sql);
+		}
+		return $stmt;
+	}
+
+	/**
+	 * 查询一条结果
+	 *
+	 * @param string $_sql string
+	 * @param array $_array array
+	 *
+	 * @return mixed
+	 */
+	public function getRow($_sql, $_array = null)
+	{
+		$_sql = $this->dealPrefix($_sql);
+		if (is_array($_array)) {
+			$stmt = $this->db->prepare($_sql);
+			if($stmt) $stmt->execute($_array);
+		} else {
+			$stmt = $this->db->query($_sql);
+		}
+		if($stmt) {
+			return $stmt->fetch($this->fetchStyle);
+		}else{
+			return false;
+		}
+	}
+
+	/**
+	 * 获取所有结果
+	 *
+	 * @param string $_sql
+	 * @param array $_array
+	 *
+	 * @return array
+	 */
+	public function getAll($_sql, $_array = null)
+	{
+		$_sql = $this->dealPrefix($_sql);
+		if (is_array($_array)) {
+			$stmt = $this->db->prepare($_sql);
+			if($stmt) $stmt->execute($_array);
+		} else {
+			$stmt = $this->db->query($_sql);
+		}
+		if($stmt) {
+			return $stmt->fetchAll($this->fetchStyle);
+		}else{
+			return false;
+		}
+	}
+
+	/**
+	 * 获取结果数
+	 * @param string $_sql
+	 * @param array $_array
+	 *
+	 * @return int
+	 */
+	public function getCount($_sql, $_array = null)
+	{
+		$_sql = $this->dealPrefix($_sql);
+		$stmt = $this->db->prepare($_sql);
+		if($stmt) {
+			$stmt->execute($_array);
+			return $stmt->rowCount();
+		}else{
+			return false;
+		}
+	}
+
+	/**
+	 * 获取一个字段值
+	 * @param string $_sql
+	 * @param array $_array
+	 *
+	 * @return int
+	 */
+	public function getColumn($_sql, $_array = null)
+	{
+		$_sql = $this->dealPrefix($_sql);
+		if (is_array($_array)) {
+			$stmt = $this->db->prepare($_sql);
+			if($stmt) $stmt->execute($_array);
+		} else {
+			$stmt = $this->db->query($_sql);
+		}
+		if($stmt) {
+			return $stmt->fetchColumn();
+		}else{
+			return false;
+		}
+	}
+
+	/**
+	 * 执行语句
+	 * @param string $_sql
+	 * @param array $_array
+	 *
+	 * @return int|\PDOStatement
+	 */
+	public function exec($_sql, $_array = null)
+	{
+		$_sql = $this->dealPrefix($_sql);
+		if (is_array($_array)) {
+			$stmt = $this->db->prepare($_sql);
+			if($stmt) {
+				return $stmt->execute($_array);
+			}else{
+				return false;
+			}
+		} else {
+			return $this->db->exec($_sql);
+		}
+	}
+
+	/**
+	 * 返回最后插入行的ID
+	 *
+	 * @return int|\PDOStatement
+	 */
+	public function lastInsertId()
+	{
+		return $this->db->lastInsertId();
+	}
+
+	/**
+	 * 返回错误信息
+	 *
+	 * @return string|\PDOStatement
+	 */
+	public function error()
+	{
+		$error = $this->db->errorInfo();
+		return '['.$error[1].']'.$error[2];
+	}
+
+	function __get($name)
+	{
+		return $this->$name;
+	}
+
+	function __destruct()
+	{
+		$this->db = null;
+	}
+
+
+}