112 lines
4.3 KiB
PHP
112 lines
4.3 KiB
PHP
<?php
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# MetInfo Enterprise Content Management System
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# Copyright (C) MetInfo Co.,Ltd (http://www.metinfo.cn). All rights reserved.
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defined('IN_MET') or exit('No permission');
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/**
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* 表格数据获取类
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* @param array $rearray 表格数组返回数组
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*/
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class tabledata {
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protected $rearray;
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public $error;
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/**
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* 获取表查询数据
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* @param string $table 表名
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* @param string $field 表字段
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* @param string $where where条件
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* @param string $order order by条件
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* @param string $sql 自定义SQL语句
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* @return array 查询数据
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*/
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public function getdata($table, $field = '*', $where = '', $order = '', $sql = '',$multi_table = false) {
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global $_M;
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//dump( $_M['form']);
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/* 获取表格ajax传递的参数 */
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$length = $_M['form']['length']; //每页显示数量
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$start = $_M['form']['start']; //读取数据的起点
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$draw = $_M['form']['draw']; //累计执行次数，无作用但必须回传
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// if($_M['form']['tablepage_json']&&$start==0&&$draw!=1){
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// $cook = explode("|",$_M['form']['tablepage_json']) ;
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// $u = "{$_M['form']['n']},{$_M['form']['c']},{$_M['form']['a']}";
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// if($cook[1]==$u){
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// $start = $cook[0]*$_M['form']['length'];
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// }
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// }else{
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// met_setcookie('tablepage_json', $_M['form']['start']/$_M['form']['length']."|{$_M['form']['n']},{$_M['form']['c']},{$_M['form']['a']}");
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// }
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if (!$sql) {
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/* 查询表 */
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if ($where) {
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$conds .= " WHERE {$where} ";
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}
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if ($order) {
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$conds .= " ORDER BY {$order} ";
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}
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//整理查询条件
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$query = "SELECT {$field} FROM {$table} {$conds} LIMIT {$start},{$length}"; //mysql语句
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$array = DB::get_all($query); //执行查询，获得数组
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$error = DB::error();
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if ($error) {
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$this->error = $query . "<br />" . $error;
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} else {
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$this->error = '';
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}
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$total = DB::counter($table, $conds, '*'); //获取总数量，计算总页数
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} else {
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//用来解决sql语句复杂的情况下 无法正确计算总条数的BUG
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$query = $sql . " LIMIT {$start},{$length}";
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$array = DB::get_all($query);
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$error = DB::error();
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$this->error = $error?$query . "<br />" . $error:0;
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//总数
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$where = trim($where);
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if (strtolower(substr($where, 0, 5)) != 'where' && $where) $where = "WHERE " . $where;
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$countsql = " SELECT COUNT(*) FROM {$table} {$where} ";
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if($multi_table) $countsql = " SELECT count(*) FROM ($sql) num ";
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$result = DB::query($countsql);
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$fetch_row = DB::fetch_row($result);
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$total = $fetch_row[0];
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}
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/* 回传数组处理 */
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$this->rarray = array();
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$this->rarray['draw'] = $draw; //回传执行次数
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$this->rarray['recordsTotal'] = $total; //回传总数量
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$this->rarray['recordsFiltered'] = $total; //回传筛选过的总数量，暂无作用，但必须回传
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// if(class_exists('admin') || class_exists('app')){
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$this->rarray['sql'] = $query; //返回sql语句
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$this->rarray['array'] = $array; //返回sql语句
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$this->rarray['form'] = $_M['form']; //返回sql语句
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$this->rarray['sqlse'] = $sql; //返回sql语句
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$this->rarray['sqltotal'] = $countsql; //返回sql语句
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// }
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return $array;
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}
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/**
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* 把处理后的数组已json方式输出到页面上，供AJAX读取。
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* @param array $rdata 需要转成json的数组
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*/
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public function rdata($rdata) {
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if ($rdata) {
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$this->rarray['data'] = $rdata;
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} else {
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$this->rarray['data'][''] = '';
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}
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jsoncallback($this->rarray); //回传json格式
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}
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}
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# This program is an open source system, commercial use, please consciously to purchase commercial license.
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# Copyright (C) MetInfo Co., Ltd. (http://www.metinfo.cn). All rights reserved.
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?>
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