2011/08/14 at 02:46 » Comments (48)

js和php里面都有一個函數(shù)eval();其作用是將參數(shù)里面的字符串當做代碼執(zhí)行，用這個函數(shù)可以創(chuàng)建自定義的回調(diào)函數(shù) php回調(diào)函數(shù)： /**** @param* @return**/ function a($str){echo $str;} /**** @param* @return**/ function s($callBack){eval($callBack);} s("a('linshaoqiang');"); exit; js回調(diào)函數(shù): function a(str){ alert(str); } function s(callBack){ with ( window )eval(callBack); } s("a('linshaoqiang')"); more »