array("studentNo"=>"2010001","studentName"=>"张三","studentSex"=>"男"), "2010002"=> array("studentNo"=>"2010002","studentName"=>"李四","studentSex"=>"女"), "2010003"=> array("studentNo"=>"2010003","studentName"=>"王五","studentSex"=>"男"), "2010004"=> array("studentNo"=>"2010004","studentName"=>"马六","studentSex"=>"女") ); var_dump($students["2010001"]["studentName"]); echo "
"; var_dump($students["2010001"]); ?>