鍓嶆部鎴戝杩囩殑璇█涓湁C銆丳HP銆丟o銆備粖澶╁氨鏉ヨ璁轰竴涓嬶紝杩欎簺璇█涓寚閽堢殑鐢ㄦ硶鏈変粈涔堝尯鍒紵瀹氫箟鎴戜滑鍏堟潵鐪嬬湅姣忕璇█涓寚閽堢殑褰㈠紡銆侰璇█涓璱nti=5;int*p=&i;printf("%p",p);//PHP涓粨鏋滀负0x7ffef3f4ff64$c=5;$b=&$c;echo$b;//缁撴灉鏄痸ariint=5;varp*int=&ifmt.Printf("%p",p);//缁撴灉鏄?xc0000b602021浠庝笂闈㈡垜浠彲浠ョ湅鍑猴紝C鍜孏o鍦ㄦ寚閽堢殑瀹氫箟鍜岃皟鐢紝鍖哄埆鍦ㄤ簬Go娌℃湁鎸囬拡杩愮畻銆傞偅涔圕鍜孭HP涔嬮棿灏辨湁寰堝ぇ鐨勫樊璺濄€傞鍏堬紝PHP娌℃湁鎸囬拡鐨勬蹇点€傚湪PHP涓紝涓昏璁茬殑鏄紩鐢ㄣ€傚紩鐢ㄧ殑鎰忔€濇槸鐢ㄤ笉鍚岀殑鍚嶅瓧鏉ヨ闂悓涓€涓彉閲忓唴瀹癸紝姣斿锛氬ソ姣斾竴涓汉鏈変袱涓笉鍚岀殑鍚嶅瓧锛屼粬浠笉鏄疄闄呭唴瀛樺湴鍧€姣旇緝鐪嬩竴娈礟HP浠ｇ爜intmain(){inta=1;涓殑浠ｇ爜鏁存暟*b=&a;printf("%d\n",a);//1绌洪棽锛坆锛夛紱printf("%d\n",a);//errorinvalidpointerreturn0;}浠庝笂闈㈠彲浠ョ湅鍑猴紝鍖哄埆杩樻槸寰堝ぇ鐨勩€傚紩鐢ㄥ拰鎸囬拡涓嶆槸鍚屼竴涓蹇点€傛寚閽堟槸瀵瑰疄鍐呭瓨鐨勬搷浣滐紝寮曠敤鏄鎸囧悜杩欏潡鍐呭瓨鐨勭鍙疯〃鐨勬搷浣溿€備粠鎿嶄綔绯荤粺鐨勫揩鎹锋柟寮忥紝鍙互鍒犻櫎蹇嵎鏂瑰紡锛岃繖鏄疨HP鐨勫弬鑰冦€傝€孋涓嶄粎鍒犻櫎浜嗗揩鎹锋柟寮忥紝杩樺垹闄や簡鍘熸枃浠躲€傝櫧鐒禤HP搴曞眰鏄敤C鍐欑殑锛屼絾鏄疨HP寮€鍙戣€呮病鏈夎兘鍔涙毚闇睠鐨勫師濮嬫寚閽堛€傛劅璋㈤槄璇绘湰鏂囷紝濡傛湁涓嶅Ε涔嬪锛岃鎸囧嚭锛岃阿璋煓?/p>
