mirror of
https://gitee.com/zoujingli/ThinkAdmin.git
synced 2025-04-06 03:58:04 +08:00
132 lines
4.5 KiB
PHP
132 lines
4.5 KiB
PHP
<?php
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// +----------------------------------------------------------------------
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// | Think.Admin
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// +----------------------------------------------------------------------
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// | 版权所有 2014~2017 广州楚才信息科技有限公司 [ http://www.cuci.cc ]
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// +----------------------------------------------------------------------
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// | 官方网站: http://think.ctolog.com
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// +----------------------------------------------------------------------
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// | 开源协议 ( http://www.apache.org/licenses/LICENSE-2.0 )
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// +----------------------------------------------------------------------
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// | github开源项目：https://github.com/zoujingli/Think.Admin
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// +----------------------------------------------------------------------
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namespace service;
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use think\Db;
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/**
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* 基础数据服务
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* Class DataService
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* @package service
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* @author Anyon <zoujingli@qq.com>
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* @date 2017/03/22 15:32
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*/
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class DataService {
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/**
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* 删除指定序号
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* @param string $sequence
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* @param string $type
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* @return bool
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*/
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public static function deleteSequence($sequence, $type = 'SYSTEM') {
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$data = ['sequence' => $sequence, 'type' => strtoupper($type)];
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return Db::name('SystemSequence')->where($data)->delete();
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}
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/**
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* 生成唯一序号 (失败返回 NULL )
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* @param int $length 序号长度
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* @param string $type 序号顾类型
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* @return string
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*/
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public static function createSequence($length = 10, $type = 'SYSTEM') {
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$times = 0;
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while ($times++ < 10) {
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$sequence = '';
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$i = 0;
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while ($i++ < $length) {
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$sequence .= ($i <= 1 ? rand(1, 9) : rand(0, 9));
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}
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$data = ['sequence' => $sequence, 'type' => strtoupper($type)];
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if (Db::name('SystemSequence')->where($data)->count() < 1 && Db::name('SystemSequence')->insert($data)) {
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return $sequence;
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}
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}
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return null;
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}
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/**
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* 数据增量保存
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* @param \think\db\Query|string $db 数据查询对象
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* @param array $data 需要保存或更新的数据
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* @param string $upkey 条件主键限制
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* @param array $where 其它的where条件
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* @return bool
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*/
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public static function save($db, $data, $upkey = 'id', $where = []) {
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if (is_string($db)) {
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$db = Db::name($db);
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}
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$fields = $db->getTableFields(['table' => $db->getTable()]);
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$_data = [];
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foreach ($data as $k => $v) {
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in_array($k, $fields) && ($_data[$k] = $v);
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}
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if (self::_apply_save_where($db, $data, $upkey, $where)->count() > 0) {
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return self::_apply_save_where($db, $data, $upkey, $where)->update($_data) !== FALSE;
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}
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return self::_apply_save_where($db, $data, $upkey, $where)->insert($_data) !== FALSE;
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}
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/**
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* 应用 where 条件
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* @param \think\db\Query|string $db 数据查询对象
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* @param array $data 需要保存或更新的数据
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* @param string $upkey 条件主键限制
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* @param array $where 其它的where条件
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* @return \think\db\Query
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*/
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protected static function _apply_save_where(&$db, $data, $upkey, $where) {
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foreach (is_string($upkey) ? explode(',', $upkey) : $upkey as $v) {
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if (is_string($v) && array_key_exists($v, $data)) {
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$db->where($v, $data[$v]);
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} elseif (is_string($v)) {
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$db->where("{$v} IS NULL");
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}
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}
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return $db->where($where);
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}
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/**
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* 更新数据表内容
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* @param \think\db\Query|string $db 数据查询对象
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* @param array $where 额外查询条件
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* @return bool|null
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*/
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public static function update(&$db, $where = []) {
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if (is_string($db)) {
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$db = Db::name($db);
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}
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$ids = explode(',', input("post.id", ''));
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$field = input('post.field', '');
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$value = input('post.value', '');
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$pk = $db->getPk(['table' => $db->getTable()]);
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$db->where(empty($pk) ? 'id' : $pk, 'in', $ids);
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!empty($where) && $db->where($where);
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// 删除模式
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if ($field === 'delete') {
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$fields = $db->getTableFields(['table' => $db->getTable()]);
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if (in_array('is_deleted', $fields)) {
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return false !== $db->update(['is_deleted' => 1]);
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}
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return false !== $db->delete();
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}
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// 更新模式
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return false !== $db->update([$field => $value]);
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}
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}
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