


We open the help file of WINRAR. The help file mentions that the two parameters for modifying RAR file comments and adding compressed files in command line mode are AC. The description file of WINRAR is as follows:
Add all * from the current folder. hlp file to the compressed file help.rar
WinRAR a help *.hlp
To add comments from the file, you can use the -z
WinRAR c -zinfo.txt dummy
In this way, we can call CMD through PHP and run the above two WINRAR parameters to batch modify the comments of RAR files and add compressed files. Need to pay attention The thing is, PHP cannot directly call CMD when safe mode is opened.
The following code is how I read the file path through my database and finally implement batch modification of RAR file comments. Because The database is ACCESS. I created a new ODBC source. At the same time, RAR.exe and CMD.EXE are both in the same directory as 1.PHP.
The code is as follows:
$id=$_GET[id ];
if($id=="")
{
echo "Parameter error";
exit;
}
if($id>=400)
{
echo "All ends";
exit;
}
$db=odbc_connect("dw","","");
$sql="select * from download where id=$id";
$query=odbc_exec($db,$sql);
$filename=odbc_result($query,2);
if($filename=="")
{
}
$filename=str_replace("#1″,"",$filename);
$filename=str_replace("#2″,"",$filename);
$filename="soft/".$filename;
echo $filename."
";
if(!file_exists($filename))
{
echo "File does not exist ,Go to next ID";
$id ;
echo "
CONTENT=0;URL=../test/1.php?id= $id>";
exit;
}//Read the file name and check whether the file exists
else
{
WinRAR a $filename instructions.txt;
echo "Inserting description file successfully";
$id ;
echo "";
}
odbc_close($db);
?>
××××××××××××××××××××
Recently collected popular, Many friends may try to build a site with rich and complete content by collecting data.
However, at some point, the RAR files we usually collect are annotated in batches. At this time, if you put these data into your own The website is nothing more than advertising for others.
I also encountered such a problem recently, and it was very troublesome. Later, I carefully looked through the help file of WINRAR and found that we can make batch modifications through the following method.
We open the help file of WINRAR. The help file mentions that the two parameters for modifying RAR file comments and adding compressed files in command line mode are AC. The description file of WINRAR is as follows:
Add from the current folder All *.hlp files into the compressed file help.rar
WinRAR a help *.hlp
To add comments from the file, you can use the -z
WinRAR c -zinfo.txt dummy
In this way, we can call CMD through PHP and run the above two WINRAR parameters to batch modify comments of RAR files and add compressed files. Need to pay attention The thing is, PHP cannot directly call CMD when safe mode is opened.
The following code is how I read the file path through my database and finally implement batch modification of RAR file comments. Because The database is ACCESS. I created a new ODBC source. RAR.EXE and CMD.EXE are both in the same directory of 1.PHP
The code is as follows:
$id=$_GET[id ];
if($id=="")
{
echo "Parameter error";
exit;
}
if($id>=400)
{
echo "All ends";
exit;
}
$db=odbc_connect("dw","","");
$sql="select * from download where id=$id";
$query=odbc_exec($db,$sql);
$filename=odbc_result($query,2);
if($filename=="")
{
}
$filename=str_replace("#1″,"",$filename);
$filename=str_replace("#2″,"",$filename);
$filename ="soft/".$filename;
echo $filename."
";
if(!file_exists($filename))
{
echo "The file does not exist, go to Next ID";
$id ;
echo "
CONTENT=0;URL=../test/1.php?id=$id> ";
exit;
}//Read the file name and check whether the file exists
else
{
WinRAR a $filename instructions.txt;
echo "Insert instructions File successful";
$id ;
echo "";
}
odbc_close($db);
?>

php把负数转为正整数的方法:1、使用abs()函数将负数转为正数,使用intval()函数对正数取整,转为正整数,语法“intval(abs($number))”;2、利用“~”位运算符将负数取反加一,语法“~$number + 1”。

实现方法:1、使用“sleep(延迟秒数)”语句,可延迟执行函数若干秒;2、使用“time_nanosleep(延迟秒数,延迟纳秒数)”语句,可延迟执行函数若干秒和纳秒;3、使用“time_sleep_until(time()+7)”语句。

php除以100保留两位小数的方法:1、利用“/”运算符进行除法运算,语法“数值 / 100”;2、使用“number_format(除法结果, 2)”或“sprintf("%.2f",除法结果)”语句进行四舍五入的处理值,并保留两位小数。

判断方法:1、使用“strtotime("年-月-日")”语句将给定的年月日转换为时间戳格式;2、用“date("z",时间戳)+1”语句计算指定时间戳是一年的第几天。date()返回的天数是从0开始计算的,因此真实天数需要在此基础上加1。

php判断有没有小数点的方法:1、使用“strpos(数字字符串,'.')”语法,如果返回小数点在字符串中第一次出现的位置,则有小数点;2、使用“strrpos(数字字符串,'.')”语句,如果返回小数点在字符串中最后一次出现的位置,则有。

php字符串有下标。在PHP中,下标不仅可以应用于数组和对象,还可应用于字符串,利用字符串的下标和中括号“[]”可以访问指定索引位置的字符,并对该字符进行读写,语法“字符串名[下标值]”;字符串的下标值(索引值)只能是整数类型,起始值为0。

方法:1、用“str_replace(" ","其他字符",$str)”语句,可将nbsp符替换为其他字符;2、用“preg_replace("/(\s|\ \;||\xc2\xa0)/","其他字符",$str)”语句。

在php中,可以使用substr()函数来读取字符串后几个字符,只需要将该函数的第二个参数设置为负值,第三个参数省略即可;语法为“substr(字符串,-n)”,表示读取从字符串结尾处向前数第n个字符开始,直到字符串结尾的全部字符。


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