Comment modifier des fichiers locaux en php

//txt文件中只有一行数据 读 $fp = fopen("password.txt", "r"); if($fp) { $pwd = fgets($fp); } else { echo "打开文件失败"; } fclose($fp);

//txt文件中只有一行数据 写 1 $fp = fopen("password.txt", "w");//文件被清空后再写入 2 if($fp) 3 { 4 $flag=fwrite($fp,$password); 5 if(!$flag) 6 { 7 echo "写入文件失败
"; 8 break; 9 } 10 } 11 fclose($fp);

//txt文件中有多行数据 读 以数组的形式 1 $path="wifi_customer_settings.txt"; 2 $body = file_get_contents($path); 3 if( file_exists( $path ) ) 4 { 5 $body = file_get_contents($path);//转为数组 6 //echo ""; 7 } 8 else 9 { 10 // echo ""; 11 } 12 $cbody = file($path); 13 //print_r($cbody); 14 $wifissid=$cbody[0]; 15 $wifipwd=$cbody[1]; 16 $wifissid=str_replace('wifiSSID=','' ,$wifissid);//文本替换 将$wifissid值的wifiSSID替换为' ' 17 $wifipwd=str_replace('wifiPWD=','' ,$wifipwd);

//txt文件中有多行数据 写 以数组的形式 1 $path="wifi_customer_settings.txt"; 2 $wifissid2=$_POST['wifissid']; 3 $wifipwd2=$_POST['wifipwd']; 4 $arr=array("wifiSSID=".$wifissid2,"\n","wifiPWD=".$wifipwd2); 5 $fp=fopen($path, 'w'); 6 fputs($fp,$arr[0]); 7 fputs($fp,$arr[1]); 8 fputs($fp,$arr[2]); 9 fclose($fp);