字符串总结--写给自己看的

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if
(strlen(
$rs2
[
'product_name'
])>
12
){

   
 

$books   

=
$rs2
[product_name];

   
 

$bookname
= substr(
"
$books
"
,
0
,
8
).
"..."
; 

   
}
else
{   

     

$bookname
=
$rs2
[
'product_name'
];

}

 

 

 

 

$sql33   

=
"select `id`,(case when length(`title`)>18 then
concat(left(`title`,9),'...') else `title` end) `title` 
from `artic` where `sortid`=6"
;