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108 lines
2.4 KiB
108 lines
2.4 KiB
<?php
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namespace app\common\dm;
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class Dm
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{
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private $host = 'localhost:5236'; // IP 地址
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private $port = '5236'; // 端口号
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private $dbname = 'CXK'; // 数据库名
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private $username = 'SYSDBA'; // 用户名
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private $password = 'SYSDBA'; // 密码
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private $charset = 'GBK'; // 字符集
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public $conn;
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public function __construct()
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{
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$database = config('database');
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$dm = $database['connections']['dm'];
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$this->conn = dm_connect($dm['hostname'].':'.$dm['hostport'], $dm['username'], $dm['password']);
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if (!$this->conn) {
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die('连接数据库失败！');
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}
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}
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public function insert($table, $data)
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{
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#$fields = implode(',', array_keys($data));
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$values = "'" . implode("','", array_values($data)) . "'";
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$sql = 'INSERT INTO '.$table.' VALUES ('.$values.')';
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$res = dm_exec($this->conn, $sql);
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dm_free_result($res);
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return $res;
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}
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// 更新数据
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public function update($table, $data, $where)
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{
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$set = array();
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foreach ($data as $key => $value) {
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$set[] = $key . '=' . "'{$value}'";
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}
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$sql = 'UPDATE '.$table." SET " . implode(",", $set) . ' WHERE '.$where;
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$res = dm_exec($this->conn, $sql);
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dm_free_result($res);
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return $res;
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}
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// 删除数据
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public function delete($table, $where)
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{
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$sql = 'DELETE FROM '.$table.' WHERE '.$where;
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$result = dm_exec($this->conn, $sql);
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dm_free_result($result);
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return $result;
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}
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// 清空表
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public function truncate($table)
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{
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$sql = 'truncate table '.$table;
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$result = dm_exec($this->conn, $sql);
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dm_free_result($result);
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return $result;
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}
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// 查询数据
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public function select($table, $where = null, $fields = '*', $order = null, $limit = null)
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{
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$sql = 'SELECT '.$fields.' FROM '.$table;
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if ($where != null) {
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$sql .= ' WHERE '.$where;
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}
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if ($order != null) {
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$sql .= ' ORDER BY '.$order;
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}
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if ($limit != null) {
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$sql .= ' LIMIT '.$limit;
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}
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$result = dm_exec($this->conn, $sql);
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$data = array();
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while ($row = dm_fetch_array($result)) {
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$data[] = $row;
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}
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dm_free_result($result);
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return $data;
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}
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}
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