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注册 2008-1-2
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[推荐阅读] 大家都在发春？
if(trim($_POST['car'])!="")
$sql="select * from carinfo where car='$_POST['car']'";
else if((trim($_POST['select'])==""))
$sql="select * from carinfo where company='$_POST['select']'";
else if((trim($_POST['car2'])!=""))
$sql="select * from carinfo where car2='$_POST['car2']'";
else if((trim($_POST['select2'])==""))
$sql="select * from carinfo where company2='$_POST['select2']'";
else if(1==1){
$sql="select * from carinfo";
}
$_POST["参数名"]，要有双引号或单引号
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