smarty if conditions

运算符别名语法示例含义对应PHP语法==eq$a eq $b等于==!=ne, neq$a neq $b不等于!=>gt$a gt $b大于><lt$a lt $b小于<>=gte, ge$a ge $b大于等于>=<=lte, le$a le $b小于等于<==== $a === 0绝对等于===!notnot $a非 (一元运算)!%mod$a mod $b取模%is [not] div by $a is not div by 4取模为0$a % $b == 0is [not] even $a is not even[非] 取模为0 (一元运算)$a % 2 == 0is [not] even by $a is not even by $b水平分组 [非] 平均($a / $b) % 2 == 0is [not] odd $a is not odd[非] 奇数 (一元运算)$a % 2 != 0is [not] odd by $a is not odd by $b[非] 奇数分组($a / $b) % 2 != 0