77 lines
1.9 KiB
PHP
77 lines
1.9 KiB
PHP
<?php
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/**
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* 保存配置文件至本地目录
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* 注：部分系统需拥有读、写权限
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*/
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class FileMap {
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protected $map_dir = "/tmp/";
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protected $map_name = "map.json";
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//默认：一天；存储只保留一天，每天第一次运行会更新文件
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public $life_time = 1;
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//天：day，小时：hour,分钟：min
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public $unit = "day";
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/**
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* 已存储
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* @return bool|string
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*/
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public function hasMap(){
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$file_path = $this->map_dir.$this->map_name;
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if(file_exists($file_path)){
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$time_format = "y-m-d h:i:s";
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$create_file_time = date($time_format,filectime($file_path));
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$now = date($time_format);
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//配置默认一天更新一次
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$diff = QmHelper::dateTimeDiff($create_file_time,$now);
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if($diff[$this->unit] > $this->life_time){
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$this->delete();
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return false;
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}
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return $file_path;
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}
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return false;
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}
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/**
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* 加载map
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* @return bool|string
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*/
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public function loadMap(){
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if($file_path = $this->hasMap()){
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$content = file_get_contents($file_path);
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if(!isset($content) || empty($content)){
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$this->delete();
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return false;
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}
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return $content;
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}
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return false;
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}
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/**
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* 保存map
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* @param $value
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*/
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public function saveMap($value){
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if($file_path = $this->hasMap()){
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$this->delete();
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}else{
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$file_path = $this->map_dir.$this->map_name;
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}
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file_put_contents($file_path,$value);
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}
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/**
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* 删除
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*/
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public function delete(){
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$file_path = $this->map_dir.$this->map_name;
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if(file_exists($file_path) && is_writeable($file_path)){
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unlink($file_path);
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}
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}
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} |