看不懂你写是啥,呵呵,可以告诉你一个方法.
比如说 if ($i == 1)
{
$a1=$xi;
}
if ($i == 2)
{
$a2=$xi;
}
if ($i == 3)
{
$a3=$xi;
}
if ($i == 4)
{
$a4=$xi;
}
if ($i == 5)
{
$a5=$xi;
}可以改成 if($i > 0)
{
${a$i} = $xi;
}
比如说 if ($i == 1)
{
$a1=$xi;
}
if ($i == 2)
{
$a2=$xi;
}
if ($i == 3)
{
$a3=$xi;
}
if ($i == 4)
{
$a4=$xi;
}
if ($i == 5)
{
$a5=$xi;
}可以改成 if($i > 0)
{
${a$i} = $xi;
}
{
$a$i = $xi;
}
{
$a1=$xi;
}
if ($i == 2)
{
$a2=$xi;
}
if ($i == 3)
{
$a3=$xi;
}
if ($i == 4)
{
$a4=$xi;
}
if ($i == 5)
{
$a5=$xi;
}改成$i=0;
$a=array();
while($tok)
{
$xi=$tok;
$a[$i]=$xi
$i++;
$tok = strtok(" ");
}
{
$a1=$xi;
}
if ($i == 2)
{
$a2=$xi;
}
if ($i == 3)
{
$a3=$xi;
}
if ($i == 4)
{
$a4=$xi;
}
if ($i == 5)
{
$a5=$xi;
}改成$i=0;
$a=array();
while($tok)
{
$xi=$tok;
$a[$i]=$xi
$i++;
$tok = strtok(" ");
}
$query1="select sum(pw_shellbak) as sum_pw_shellbak from vpopmail where pw_dir like '/home%'";
$result1=mysql_query($query1);
$row1=mysql_fetch_array($result1);
$row1['sum_pw_shellbak'];
$scale1=round( $row1['sum_pw_shellbak']/$msg1[used] * 100 , 2) . "%";谢谢了 不过 那查找数据库 应该怎么写循环呀?
谢谢 各位了
$result1=mysql_query($query1);
$row1=mysql_fetch_array($result1);
$row1['sum_pw_shellbak'];
$scale1=round( $row1['sum_pw_shellbak']/$msg1[used] * 100 , 2) . "%"; $query2="select sum(pw_shellbak) as sum_pw_shellbak from vpopmail where pw_dir like '/disk2%'";
$result2=mysql_query($query2);
$row2=mysql_fetch_array($result2);
$row2['sum_pw_shellbak'];
$scale2=round( $row2['sum_pw_shellbak']/$msg2[used] * 100 , 2) . "%";
$query3="select sum(pw_shellbak) as sum_pw_shellbak from vpopmail where pw_dir like '/disk3%'";
$result3=mysql_query($query3);
$row3=mysql_fetch_array($result3);
$row3['sum_pw_shellbak'];
$scale3=round( $row3['sum_pw_shellbak']/$msg3[used] * 100 , 2) . "%";
$query4="select sum(pw_shellbak) as sum_pw_shellbak from vpopmail where pw_dir like '/disk4%'";
$result4=mysql_query($query4);
$row4=mysql_fetch_array($result4);
$row4['sum_pw_shellbak'];
$scale4=round( $row4['sum_pw_shellbak']/$msg4[used] * 100 , 2) . "%";
$row1['sum_pw_shellbak'];$row2['sum_pw_shellbak'];$row3['sum_pw_shellbak'];·····
这些应该怎么循环呀
$query1="select sum(pw_shellbak) as sum_pw_shellbak from vpopmail where pw_dir like '/home%'";
$result1=mysql_query($query1);
$row1=mysql_fetch_array($result1);
$row1['sum_pw_shellbak'];
$scale1=round( $row1['sum_pw_shellbak']/$msg1[used] * 100 , 2) . "%";
$n = 4;
for($i=2;$i<= n; $i++)
{
$query="select sum(pw_shellbak) as sum_pw_shellbak from vpopmail where pw_dir like '/disk$i%'";
$result=mysql_query($query);
$row=mysql_fetch_array($result);
$msg = $row['sum_pw_shellbak'];
${scale$i}=round( $row['sum_pw_shellbak']/$msg[used] * 100 , 2) . "%";
mysql_free_result($result);
}
$query_keys = array("/home%","/disk2%",..........);
然后foreach循环遍历一下就可以了呗$results = array();foreach($query_keys as $key => $value) {
$query="select sum(pw_shellbak) as sum_pw_shellbak from vpopmail where pw_dir like '".$value."'";
$result=mysql_query($query);
$row=mysql_fetch_array($result);
$row['sum_pw_shellbak'];
$results[$key]=round( $row['sum_pw_shellbak']/$msg[used] * 100 , 2) . "%";
}
可是当挂载的磁盘不一样
$msg[used]也不一样呀 disk1是$msg1[used] disk2是$msg2[used] disk3是$msg3[used] ·····
这个能有什么办法呀? $disk1=$disk2=$disk3=$disk4="";
$disk1=exec("/bin/df -h /home/vpopmail/");
$msg1=getdiskspaces($disk1);
$disk2=exec("/bin/df -h /disk2/");
$msg2=getdiskspaces($disk2);
$disk3=exec("/bin/df -h /disk3/");
$msg3=getdiskspaces($disk3);
$disk4=exec("/bin/df -h /disk4/");
$msg4=getdiskspaces($disk4);
array( 'query' = '.....', 'msg' = '...'),
...
);$results = array(); foreach($disk_array as $key => $disk_info) {
$query="select sum(pw_shellbak) as sum_pw_shellbak from vpopmail where pw_dir like '".$disk_info['query']."'";
$result=mysql_query($query);
$row=mysql_fetch_array($result);
$row['sum_pw_shellbak'];
$results[$key]=round( $row['sum_pw_shellbak']/$disk_info['msg'] * 100 , 2) . "%";
}