{"id":30100,"date":"2022-12-19T20:35:40","date_gmt":"2023-03-27T13:14:39","guid":{"rendered":"https:\/\/www.silicloud.com\/zh\/blog\/%e3%80%90php%e3%80%91php%e5%9f%ba%e7%a1%80%e6%80%bb%e7%bb%93%e2%91%a1\/"},"modified":"2025-08-12T17:33:10","modified_gmt":"2025-08-12T09:33:10","slug":"%e3%80%90php%e3%80%91php%e5%9f%ba%e7%a1%80%e6%80%bb%e7%bb%93%e2%91%a1","status":"publish","type":"post","link":"https:\/\/www.silicloud.com\/zh\/blog\/%e3%80%90php%e3%80%91php%e5%9f%ba%e7%a1%80%e6%80%bb%e7%bb%93%e2%91%a1\/","title":{"rendered":"\u3010PHP\u3011PHP\u57fa\u7840\u603b\u7ed3\u2461"},"content":{"rendered":"

\u7c7b\u548c\u5bf9\u8c61<\/p>\n

\u7528\u8bfe\u5802\u4f5c\u4e3a\u6837\u672c<\/p>\n
<?php<\/span>\r\n    \/\/ \u81ea\u52d5\u8eca\u30af\u30e9\u30b9<\/span>\r\n    class<\/span> Car<\/span> {<\/span>\r\n        \/\/\u3000\u30b9\u30d4\u30fc\u30c9\u306e\u30d7\u30ed\u30d1\u30c6\u30a3<\/span>\r\n        public<\/span> $speed<\/span>;<\/span>\r\n        \/\/\u3000\u30ca\u30f3\u30d0\u30fc\u306e\u30d7\u30ed\u30d1\u30c6\u30a3<\/span>\r\n        public<\/span> $number<\/span>;<\/span>\r\n        \/\/\u3000\u30b3\u30f3\u30b9\u30c8\u30e9\u30af\u30bf<\/span>\r\n        function<\/span> __construct<\/span>()<\/span> {<\/span>\r\n            echo<\/span> \"\u30a4\u30f3\u30b9\u30bf\u30f3\u30b9\u306e\u751f\u6210<br>\"<\/span>;<\/span>\r\n        }<\/span>\r\n        \/\/\u3000\u8d70\u884c\u30e1\u30bd\u30c3\u30c9<\/span>\r\n        function<\/span> drive<\/span>()<\/span> {<\/span>\r\n            echo<\/span> \"\u300c<\/span>{<\/span>$this<\/span>-><\/span>number<\/span>}<\/span>\u300d\u304c<\/span>{<\/span>$this<\/span>-><\/span>speed<\/span>}<\/span>km\/h\u3067\u8d70\u884c<br>\"<\/span>;<\/span>\r\n        }<\/span>\r\n        \/\/\u3000\u505c\u8eca\u30e1\u30bd\u30c3\u30c9<\/span>\r\n        function<\/span> stop<\/span>()<\/span> {<\/span>\r\n            echo<\/span> \"\u300c<\/span>{<\/span>$this<\/span>-><\/span>number<\/span>}<\/span>\u300d\u304c\u505c\u8eca<br>\"<\/span>;<\/span>\r\n            $this<\/span>-><\/span>speed<\/span> =<\/span> 0<\/span>;<\/span>\r\n        }<\/span>\r\n    }<\/span>\r\n?><\/span>\r\n<\/code><\/pre>\n
<?php<\/span>\r\n    \/\/ \u81ea\u52d5\u8eca\u30af\u30e9\u30b9\u306e\u8aad\u307f\u51fa\u3057<\/span>\r\n    require_once<\/span>(<\/span>\"car.php\"<\/span>);<\/span>\r\n    \/\/\u3000\u30a4\u30f3\u30b9\u30bf\u30f3\u30b9\u306e\u751f\u6210<\/span>\r\n    $car<\/span> =<\/span> new<\/span> Car<\/span>();<\/span>\r\n    \/\/\u3000\u30ca\u30f3\u30d0\u30fc\u3001\u30b9\u30d4\u30fc\u30c9\u306e\u8a2d\u5b9a<\/span>\r\n    $car<\/span>-><\/span>number<\/span> =<\/span> \"\u304212-34\"<\/span>;<\/span>\r\n    $car<\/span>-><\/span>speed<\/span> =<\/span> 50<\/span>;<\/span>\r\n    \/\/\u3000\u81ea\u52d5\u8eca\u306e\u8d70\u884c\u3068\u505c\u8eca<\/span>\r\n    $car<\/span>-><\/span>drive<\/span>();<\/span>\r\n    $car<\/span>-><\/span>stop<\/span>();<\/span>\r\n?><\/span>\r\n<\/code><\/pre>\n
\u591a\u4e2a\u5b9e\u4f8b<\/p>\n
<?php<\/span>\r\n    \/\/ \u81ea\u52d5\u8eca\u30af\u30e9\u30b9\u306e\u8aad\u307f\u51fa\u3057<\/span>\r\n    require_once<\/span>(<\/span>\"car.php\"<\/span>);<\/span>\r\n    \/\/\u3000\u30a4\u30f3\u30b9\u30bf\u30f3\u30b9\u306e\u751f\u6210<\/span>\r\n    $car1<\/span> =<\/span> new<\/span> car<\/span>();<\/span>\r\n    $car2<\/span> =<\/span> new<\/span> car<\/span>();<\/span>\r\n    \/\/\u3000\u30ca\u30f3\u30d0\u30fc\u3001\u30b9\u30d4\u30fc\u30c9\u306e\u8a2d\u5b9a($car1)<\/span>\r\n    $car1<\/span>-><\/span>number<\/span> =<\/span> \"\u304212-34\"<\/span>;<\/span>\r\n    $car1<\/span>-><\/span>speed<\/span> =<\/span> 50<\/span>;<\/span>\r\n    \/\/ \u81ea\u52d5\u8eca\u306e\u8d70\u884c\u3068\u505c\u8eca($car1)<\/span>\r\n    $car1<\/span>-><\/span>drive<\/span>();<\/span>\r\n    $car1<\/span>-><\/span>stop<\/span>();<\/span>\r\n    \/\/\u3000\u30ca\u30f3\u30d0\u30fc\u3001\u30b9\u30d4\u30fc\u30c9\u306e\u8a2d\u5b9a($car2)<\/span>\r\n    $car2<\/span>-><\/span>number<\/span> =<\/span> \"\u304456-78\"<\/span>;<\/span>\r\n    $car<\/span>-><\/span>speed<\/span> =<\/span> 40<\/span>;<\/span>\r\n    \/\/\u3000\u81ea\u52d5\u8eca\u306e\u8d70\u884c\u3068\u505c\u8eca($car2)<\/span>\r\n     $car2<\/span>-><\/span>drive<\/span>();<\/span>\r\n    $car2<\/span>-><\/span>stop<\/span>();<\/span>\r\n?><\/span>\r\n<\/code><\/pre>\n
\u53c2\u6570\u548c\u5c5e\u6027 sh\u00f9 h\u00e9<\/p>\n
<?php<\/span>\r\n    \/\/ \u81ea\u52d5\u8eca\u30af\u30e9\u30b9<\/span>\r\n    class<\/span> Car<\/span> {<\/span>\r\n        \/\/ \u30b9\u30d4\u30fc\u30c9\u306e\u30d7\u30ed\u30d1\u30c6\u30a3<\/span>\r\n        private<\/span> $speed<\/span>;<\/span>\r\n        \/\/\u3000\u30ca\u30f3\u30d0\u30fc\u306e\u30d7\u30ed\u30d1\u30c6\u30a3<\/span>\r\n        private<\/span> $number<\/span>;<\/span>\r\n        \/\/\u3000\u30b3\u30f3\u30b9\u30c8\u30e9\u30af\u30bf<\/span>\r\n        function<\/span> __construct<\/span>(<\/span>$number<\/span>)<\/span> {<\/span>\r\n            $this<\/span>-><\/span>number<\/span> =<\/span> $number<\/span>;<\/span>\r\n            echo<\/span> \u300c<\/span>\"<\/span>{<\/span>$this<\/span>-><\/span>number<\/span>}<\/span>\u300d\u3000\u306e\u30a4\u30f3\u30b9\u30bf\u30f3\u30b9\u751f\u6210<br>\"<\/span>;<\/span>\r\n        }<\/span>\r\n        \/\/\u3000\u8d70\u884c\u30e1\u30bd\u30c3\u30c9<\/span>\r\n        function<\/span> drive<\/span>(<\/span>$speed<\/span>)<\/span> {<\/span>\r\n            $this<\/span>-><\/span>speed<\/span> =<\/span> $speed<\/span>;<\/span>\r\n            echo<\/span> \"\u300c<\/span>{<\/span>$this<\/span>-><\/span>number<\/span>}<\/span>\u300d\u3000\u304c<\/span>{<\/span>$this<\/span>-><\/span>speed<\/span>}<\/span>km\/h\u3067\u8d70\u884c<br>\"<\/span>;<\/span>\r\n        }<\/span>\r\n        \/\/\u3000\u505c\u8eca\u30e1\u30bd\u30c3\u30c9<\/span>\r\n        function<\/span> stop<\/span>()<\/span> {<\/span>\r\n            echo<\/span> \"\u300c<\/span>{<\/span>$this<\/span>-><\/span>number<\/span>}<\/span>\u300d\u3000\u304c\u505c\u8eca<br>\"<\/span>;<\/span>\r\n            $this<\/span>-><\/span>speed<\/span> =<\/span> 0<\/span>;<\/span>\r\n        }<\/span>\r\n    }<\/span>\r\n    \/\/\u3000\u30a4\u30f3\u30b9\u30bf\u30f3\u30b9\u306e\u751f\u6210<\/span>\r\n    $car1<\/span> =<\/span> new<\/span> Car<\/span>(<\/span>\"\u304212-34\"<\/span>);<\/span>\r\n    $car2<\/span> =<\/span> new<\/span> Car<\/span>(<\/span>\"\u304456-78\"<\/span>);<\/span>\r\n    \/\/\u3000\u81ea\u52d5\u8eca\u306e\u8d70\u884c\u3068\u505c\u8eca<\/span>\r\n    $car1<\/span>-><\/span>drive<\/span>(<\/span>50<\/span>);<\/span>\r\n    $car1<\/span>-><\/span>stop<\/span>();<\/span>\r\n    $car2<\/span>-><\/span>drive<\/span>(<\/span>40<\/span>);<\/span>\r\n    $car2<\/span>-><\/span>stop<\/span>();<\/span>\r\n?><\/span>\r\n<\/code><\/pre>\n
\u5c01\u88c5\u30fb\u9759\u6001\u6210\u5458<\/p>\n
\u5c01\u88c5<\/p>\n
<?php<\/span>\r\n    class<\/span> Person<\/span> {<\/span>\r\n        \/\/ \u540d\u524d<\/span>\r\n        private<\/span> $name<\/span>;<\/span>\r\n        \/\/ $name\u306e\u30bb\u30c3\u30bf\u30fc<\/span>\r\n        function<\/span> setName<\/span>(<\/span>$name<\/span>)<\/span> {<\/span>\r\n            $this<\/span>-><\/span>name<\/span> =<\/span> $name<\/span>;<\/span>\r\n        }<\/span>\r\n        \/\/ $name\u306e\u30b2\u30c3\u30bf\u30fc<\/span>\r\n        function<\/span> getName<\/span>()<\/span> {<\/span>\r\n            return<\/span> $this<\/span>-><\/span>name<\/span>;<\/span>\r\n        }<\/span>\r\n    }<\/span>\r\n    \/\/\u3000\u30a4\u30f3\u30b9\u30bf\u30f3\u30b9\u306e\u751f\u6210<\/span>\r\n    $p<\/span> =<\/span> new<\/span> Person<\/span>();<\/span>\r\n    $p<\/span>-><\/span>setName<\/span>(<\/span>\"\u5c71\u7530\u592a\u90ce\"<\/span>);<\/span>\r\n    echo<\/span> \"\u540d\u524d\uff1a<\/span>{<\/span>$p<\/span>-><\/span>getName<\/span>()<\/span>}<\/span>\"<\/span>;<\/span>\r\n?><\/span>\r\n<\/code><\/pre>\n
\u9759\u6001\u6210\u5458<\/p>\n
<?php<\/span>\r\n    class<\/span> Car<\/span> {<\/span>\r\n        private<\/span> $serial<\/span> =<\/span> 0<\/span>;<\/span> \/\/ \u88fd\u9020\u756a\u53f7\uff08\u30a4\u30f3\u30b9\u30bf\u30f3\u30b9\u30d7\u30ed\u30d1\u30c6\u30a3\uff09<\/span>\r\n        private<\/span> static<\/span> $carNumber<\/span> =<\/span> 0<\/span>;<\/span> \/\/\u3000\u751f\u7523\u53f0\u6570\uff08\u9759\u7684\u30d7\u30ed\u30d1\u30c6\u30a3\uff09<\/span>\r\n        \/\/\u3000\u30b3\u30f3\u30b9\u30c8\u30e9\u30af\u30bf<\/span>\r\n        function<\/span> __construct<\/span>()<\/span> {<\/span>\r\n            self<\/span>::<\/span>$carNumber<\/span>++<\/span>;<\/span> \/\/\u3000\u9759\u7684\u30e1\u30f3\u30d0\u306e\u5024\u3092\u30a4\u30f3\u30af\u30ea\u30e1\u30f3\u30c8<\/span>\r\n            $this<\/span>-><\/span>serial<\/span> =<\/span> self<\/span>::<\/span>$carNumber<\/span>;<\/span> \/\/\u3000id\u3092\u6c7a\u3081\u308b<\/span>\r\n        }<\/span>\r\n        \/\/\u3000\u81ea\u52d5\u8eca\u306e\u88fd\u9020\u756a\u53f7\u3092\u8868\u793a\uff08\u30a4\u30f3\u30b9\u30bf\u30f3\u30b9\u30e1\u30bd\u30c3\u30c9\uff09<\/span>\r\n        function<\/span> showSerial<\/span>()<\/span> {<\/span>\r\n            echo<\/span> \"&nbsp;&nbsp;\u88fd\u9020\u756a\u53f7:<\/span>{<\/span>$this<\/span>-><\/span>serial<\/span>}<\/span><br>\"<\/span>;<\/span>\r\n        }<\/span>\r\n        \/\/\u3000\u81ea\u52d5\u8eca\u306e\u751f\u7523\u53f0\u6570\u3092\u6c42\u3081\u308b\uff08\u9759\u7684\u30e1\u30bd\u30c3\u30c9\uff09<\/span>\r\n        static<\/span> function<\/span> showCarNumber<\/span>()<\/span> {<\/span>\r\n            $number<\/span> =<\/span> self<\/span>::<\/span>$carNumber<\/span>;<\/span>\r\n            echo<\/span> \"\u751f\u7523\u53f0\u6570:<\/span>{<\/span>$number<\/span>}<\/span><br>\"<\/span>;<\/span>\r\n        }<\/span>\r\n    }<\/span>\r\n    \/\/\u3000\u81ea\u52d5\u8eca\u306e\u751f\u7523\u53f0\u6570\u306e\u8868\u793a<\/span>\r\n    Car<\/span>::<\/span>showCarNumber<\/span>();<\/span>\r\n    \/\/\u30001\u53f0\u76ee\u306e\u81ea\u52d5\u8eca\u306e\u751f\u6210<\/span>\r\n    $car1<\/span> =<\/span> new<\/span> Car<\/span>();<\/span>\r\n    $car1<\/span>-><\/span>showSerial<\/span>();<\/span>\r\n    \/\/\u3000\u81ea\u52d5\u8eca\u306e\u751f\u7523\u53f0\u6570\u306e\u8868\u793a<\/span>\r\n    Car<\/span>::<\/span>showCarNumber<\/span>();<\/span>\r\n    \/\/\u30003\u53f0\u76ee\u307e\u3067\u306e\u81ea\u52d5\u8eca\u306e\u751f\u6210<\/span>\r\n    $car2<\/span> =<\/span> new<\/span> Car<\/span>();<\/span>\r\n    $car2<\/span>-><\/span>showSerial<\/span>();<\/span>\r\n    $car3<\/span> =<\/span> new<\/span> Car<\/span>();<\/span>\r\n    $car3<\/span>-><\/span>showSerial<\/span>();<\/span>\r\n    \/\/\u3000\u81ea\u52d5\u8eca\u306e\u751f\u7523\u53f0\u6570\u306e\u8868\u793a<\/span>\r\n    Car<\/span>::<\/span>showCarNumber<\/span>();<\/span>\r\n?><\/span>\r\n<\/code><\/pre>\n
\u4f20\u627f<\/p>\n
\u7ee7\u627f\u7684\u5b9e\u73b0<\/p>\n
<?php<\/span>\r\n    \/\/\u3000\u8a08\u7b97\u30af\u30e9\u30b9\uff08\u8db3\u3057\u7b97\u30fb\u5f15\u304d\u7b97\u3057\u304b\u3067\u304d\u306a\u3044\uff09 <\/span>\r\n    class<\/span> Calc<\/span> {<\/span>\r\n        \/\/ \u6570\u50241<\/span>\r\n        protected<\/span> $num1<\/span>;<\/span>\r\n        \/\/ \u6570\u50242<\/span>\r\n        protected<\/span> $num2<\/span>;<\/span>\r\n        \/\/\u3000\u5024\u306e\u8a2d\u5b9a<\/span>\r\n        function<\/span> setNumbers<\/span>(<\/span>$num1<\/span>,<\/span> $num2<\/span>)<\/span> {<\/span>\r\n            $this<\/span>-><\/span>num1<\/span> =<\/span> $num1<\/span>;<\/span>\r\n            $this<\/span>-><\/span>num2<\/span> =<\/span> $num2<\/span>;<\/span>\r\n        }<\/span>\r\n        \/\/\u3000\u8db3\u3057\u7b97\u306e\u7d50\u679c\u8868\u793a<\/span>\r\n        function<\/span> add<\/span>()<\/span> {<\/span>\r\n            $ans<\/span> =<\/span> $this<\/span>-><\/span>num1<\/span> +<\/span> $this<\/span>-><\/span>num2<\/span>;<\/span>\r\n            echo<\/span> \"<\/span>{<\/span>$this<\/span>-><\/span>num1<\/span>}<\/span> + <\/span>{<\/span>$this<\/span>-><\/span>num2<\/span>}<\/span> = <\/span>{<\/span>$ans<\/span>}<\/span><br>\"<\/span>;<\/span>\r\n        }<\/span>\r\n        \/\/ \u5f15\u304d\u7b97\u306e\u7d50\u679c\u53d6\u5f97<\/span>\r\n        function<\/span> sub<\/span>()<\/span> {<\/span>\r\n            $ans<\/span> =<\/span> $this<\/span>-><\/span>num1<\/span> -<\/span> $this<\/span>-><\/span>num2<\/span>;<\/span>\r\n            echo<\/span> \"<\/span>{<\/span>$this<\/span>-><\/span>num1<\/span>}<\/span> - <\/span>{<\/span>$this<\/span>-><\/span>num2<\/span>}<\/span> = <\/span>{<\/span>$ans<\/span>}<\/span><br>\"<\/span>;<\/span> \r\n        }<\/span>\r\n    }<\/span>\r\n    \/\/ \u62e1\u5f35\u8a08\u7b97\u30af\u30e9\u30b9\uff08\u639b\u3051\u7b97\u30fb\u5272\u308a\u7b97\u3082\u3067\u304d\u308b\uff09<\/span>\r\n    class<\/span> CalcEx<\/span> extends<\/span> Calc<\/span> {<\/span>\r\n        \/\/\u3000\u639b\u3051\u7b97\u306e\u7d50\u679c\u8868\u793a<\/span>\r\n        function<\/span> mul<\/span>()<\/span> {<\/span>\r\n            $ans<\/span> =<\/span> $this<\/span>-><\/span>num1<\/span> *<\/span> $this<\/span>-><\/span>num2<\/span>;<\/span>\r\n            echo<\/span> \"<\/span>{<\/span>$this<\/span>-><\/span>num1<\/span>}<\/span> \u00d7 <\/span>{<\/span>$this<\/span>-><\/span>num2<\/span>}<\/span> = <\/span>{<\/span>$ans<\/span>}<\/span><br>\"<\/span>;<\/span>\r\n        }<\/span>\r\n        \/\/\u3000\u5272\u308a\u7b97\u306e\u7d50\u679c\u8868\u793a<\/span>\r\n        function<\/span> div<\/span>()<\/span> {<\/span>\r\n            $ans<\/span> =<\/span> $this<\/span>-><\/span>num1<\/span> \/<\/span> $this<\/span>-><\/span>num2<\/span>;<\/span>\r\n            echo<\/span> \"<\/span>{<\/span>$this<\/span>-><\/span>num1<\/span>}<\/span> \u00f7 <\/span>{<\/span>$this<\/span>-><\/span>num2<\/span>}<\/span> = <\/span>{<\/span>$ans<\/span>}<\/span><br>\"<\/span>;<\/span>\r\n        }<\/span>\r\n    }<\/span>\r\n    \/\/ \u30a4\u30f3\u30b9\u30bf\u30f3\u30b9\u306e\u751f\u6210<\/span>\r\n    $calc<\/span> =<\/span> newCalcEx<\/span>();<\/span> \/\/\u3000CalcEx\u30af\u30e9\u30b9\u306e\u30a4\u30f3\u30bf\u30f3\u30b9\u751f\u6210<\/span>\r\n    \/\/\u3000\u5024\u306e\u8a2d\u5b9a<\/span>\r\n    $carc<\/span>-><\/span>setNumbers<\/span>(<\/span>12<\/span>,<\/span> 3<\/span>);<\/span>\r\n    \/\/ \u52a0\u6e1b\u4e57\u9664\u306e\u8a08\u7b97\u306e\u5b9f\u884c<\/span>\r\n    $calc<\/span>-><\/span>add<\/span>();<\/span> \/\/\u3000\u52a0\u7b97\uff08Calc\u30af\u30e9\u30b9\u306e\u30e1\u30bd\u30c3\u30c9\uff09<\/span>\r\n    $calc<\/span>-><\/span>sub<\/span>();<\/span> \/\/\u3000\u6e1b\u7b97\uff08Calc\u30af\u30e9\u30b9\u306e\u30e1\u30bd\u30c3\u30c9\uff09<\/span>\r\n    $calc<\/span>-><\/span>mul<\/span>();<\/span> \/\/\u3000\u4e57\u7b97\uff08CalcEx\u30af\u30e9\u30b9\u306e\u30e1\u30bd\u30c3\u30c9\uff09<\/span>\r\n    $calc<\/span>-><\/span>div<\/span>();<\/span> \/\/\u3000\u9664\u7b97\uff08CalcEx\u30af\u30e9\u30b9\u306e\u30e1\u30bd\u30c3\u30c9\uff09<\/span>\r\n?><\/span>\r\n<\/code><\/pre>\n
\u5e94\u7528\u7ee7\u627f<\/p>\n
\u62bd\u8c61\u7c7b\u548c\u91cd\u5199<\/p>\n
<?php<\/span>\r\n    \/\/ \u30ea\u30b9\u30c8\u751f\u6210\u30af\u30e9\u30b9<\/span>\r\n    abstract<\/span> class<\/span> Abslist<\/span> {<\/span>\r\n        \/\/\u3000\u30ea\u30b9\u30c8\u306e\u958b\u59cb\uff08\u62bd\u8c61\u30e1\u30bd\u30c3\u30c9\uff09<\/span>\r\n        abstract<\/span> function<\/span> startList<\/span>();<\/span>\r\n        \/\/\u3000\u30ea\u30b9\u30c8\u306e\u7d42\u4e86\uff08\u62bd\u8c61\u30e1\u30bd\u30c3\u30c9\uff09<\/span>\r\n        abstract<\/span> function<\/span> endList<\/span>();<\/span>\r\n        \/\/\u3000\u30ea\u30b9\u30c8\u751f\u6210\u30e1\u30bd\u30c3\u30c9<\/span>\r\n        function<\/span> show<\/span>(<\/span>$array<\/span>)<\/span> {<\/span>\r\n            $this<\/span>-><\/span>startList<\/span>();<\/span>\r\n            foreach<\/span> (<\/span>$array<\/span> as<\/span> &<\/span>$value<\/span>)<\/span> {<\/span>\r\n                echo<\/span> \"<li>\"<\/span> .<\/span> $value<\/span> .<\/span> \"<\/li><\/span>\\n<\/span>\"<\/span>;<\/span>\r\n            }<\/span>\r\n            $this<\/span>-><\/span>endList<\/span>();<\/span>\r\n        }<\/span>\r\n    }<\/span>\r\n?><\/span>\r\n<\/code><\/pre>\n
<?php<\/span>\r\n    \/\/ \u89aa\u30af\u30e9\u30b9\u306e\u8aad\u307f\u51fa\u3057<\/span>\r\n    require_once<\/span>(<\/span>\"abslist.php\"<\/span>);<\/span>\r\n    \/\/ \u30ea\u30b9\u30c8\u30af\u30e9\u30b9(ul\u306b\u3088\u308b\u30ea\u30b9\u30c8)<\/span>\r\n    class<\/span> UlList<\/span> extends<\/span> AbsList<\/span> {<\/span>\r\n        \/\/ \u30ea\u30b9\u30c8\u306e\u958b\u59cb(\u5b9f\u88c5)<\/span>\r\n        function<\/span> startList<\/span>()<\/span> {<\/span>\r\n            echo<\/span> \"<ul><\/span>\\n<\/span>\"<\/span>;<\/span>\r\n        }<\/span>\r\n        \/\/ \u30ea\u30b9\u30c8\u306e\u7d42\u4e86(\u5b9f\u88c5)<\/span>\r\n        function<\/span> endlist<\/span>()<\/span> {<\/span>\r\n            echo<\/span> \"<\/ul><\/span>\\n<\/span>;\r\n        }\r\n    }\r\n?>\r\n<\/span><\/code><\/pre>\n
<!DOCTYPE html><\/span>\r\n<html><\/span>\r\n    <head><\/span>\r\n        <title><\/span>\u30ea\u30b9\u30c8\u306e\u751f\u6210<\/title><\/span>\r\n        <meta<\/span> chaset=<\/span>\"UTF-8\"<\/span>><\/span>\r\n    <\/head><\/span>\r\n    <body><\/span>\r\n        <h1><\/h1><\/span>\r\n        <?php<\/span>\r\n            require_once<\/span>(<\/span>\"ullist.php\"<\/span>);<\/span>\r\n            \/\/ UlList<\/span>\r\n            $ls<\/span> =<\/span> new<\/span> UlList<\/span>();<\/span>\r\n            \/\/$ls = new AbsList();<\/span>\r\n            $data<\/span> =<\/span> [<\/span>\"\"<\/span>,<\/span> \"\"<\/span>,<\/span> \"\"<\/span>];<\/span>\r\n            $ls<\/span>-><\/span>show<\/span>(<\/span>$data<\/span>);<\/span>\r\n        ?><\/span>\r\n    <\/body><\/span>\r\n<\/html><\/span>\r\n<\/code><\/pre>\n
\u997c\u5e72\u548c\u4f1a\u8bdd<\/p>\n
\u4f7f\u7528PHP\u5904\u7406\u4f1a\u8bdd<\/p>\n
<!DOCTYPE html><\/span>\r\n<html><\/span>\r\n    <head><\/span>\r\n        <title><\/span>\u30bb\u30c3\u30b7\u30e7\u30f3\u306e\u6d3b\u7528<\/title><\/span>\r\n        <meta<\/span> chaset=<\/span>\"UTF-8\"<\/span>><\/span>\r\n    <\/head><\/span>\r\n    <body><\/span>\r\n        <h1><\/span>\u30bb\u30c3\u30b7\u30e7\u30f3\u5024\u306e\u751f\u6210<\/h1><\/span>\r\n        <?php<\/span>\r\n            session_start<\/span>();<\/span> \/\/\u3000\u30bb\u30c3\u30b7\u30e7\u30f3\u30b9\u30bf\u30fc\u30c8<\/span>\r\n            $_SESSION<\/span>[<\/span>\"data\"<\/span>]<\/span> =<\/span> \"PHP\"<\/span>;<\/span>\r\n            echo<\/span> \"<p>\u30bb\u30c3\u30b7\u30e7\u30f3ID:\"<\/span> .<\/span> session_id<\/span>()<\/span> .<\/span> \"<\/p>\"<\/span>;<\/span>\r\n            echo<\/span> \"<p>\u8a2d\u5b9a\u3057\u305f\u5024:<\/span>{<\/span>$_SESSION<\/span>[<\/span>\"data\"<\/span>]<\/span>}<\/span><\/p>\"<\/span>;<\/span> \r\n        ?><\/span>\r\n        <a<\/span> href=<\/span>\"sample6-8_2.php>\u6b21\u3078<\/a>\r\n    <\/body>\r\n<\/html>\r\n<\/span><\/code><\/pre>\n
<!DOCTYPE html><\/span>\r\n<html><\/span>\r\n    <head><\/span>\r\n        <title><\/span>\u30bb\u30c3\u30b7\u30e7\u30f3\u306e\u6d3b\u75282<\/title><\/span>\r\n        <meta<\/span> chaset=<\/span>\"UTF-8\"<\/span>><\/span>\r\n    <\/head><\/span>\r\n    <body><\/span>\r\n        <h1><\/span>\u30bb\u30c3\u30b7\u30e7\u30f3\u5024\u306e\u78ba\u8a8d<\/h1><\/span>\r\n        <?php<\/span>\r\n            session_start<\/span>();<\/span> \/\/\u3000<\/span>\r\n            echo<\/span> \"<p>\u30bb\u30c3\u30b7\u30e7\u30f3ID:\"<\/span> .<\/span> session_id<\/span>()<\/span> .<\/span> \"<\/p>\"<\/span>;<\/span>\r\n            echo<\/span> \"<p>\u8a2d\u5b9a\u3057\u305f\u5024:<\/span>{<\/span>$_SESSION<\/span>[<\/span>\"data\"<\/span>]<\/span>}<\/span><\/p>\"<\/span>;<\/span> \r\n        ?><\/span>\r\n        <a<\/span> href=<\/span>\"sample6-8_1.php>\u30c8\u30c3\u30d7\u3078<\/a>\r\n    <\/body>\r\n<\/html>\r\n<\/span><\/code><\/pre>\n
\u4f7f\u7528PHP\u64cd\u4f5c\u6570\u636e\u5e93\u3002<\/p>\n
\u4f7f\u7528PHP\u64cd\u4f5c\u6570\u636e\u5e93<\/p>\n
<?php<\/span>\r\n    try<\/span> {<\/span>\r\n        \/\/ (1) \u63a5\u7d9a<\/span>\r\n        $db<\/span> =<\/span> new<\/span> PDO<\/span>(<\/span>'mysql:host=localhost;dbname=school'<\/span>,<\/span> 'root'<\/span>,<\/span> 'root'<\/span>);<\/span>\r\n        \/\/ (2) SQL\u30af\u30a8\u30ea\u4f5c\u6210<\/span>\r\n        $stmt<\/span> =<\/span> $db<\/span>-><\/span>prepare<\/span>(<\/span>\"SELECT * FROM student;\"<\/span>);<\/span>\r\n        \/\/ (3) SQL\u30af\u30a8\u30ea\u5b9f\u884c<\/span>\r\n        $res<\/span> =<\/span> $stmt<\/span>-><\/span>execute<\/span>();<\/span>\r\n        if<\/span> (<\/span>$res<\/span>)<\/span> {<\/span>\r\n            \/\/ (4)\u3000\u8a72\u5f53\u3059\u308b\u30c7\u30fc\u30bf\u3092\u53d6\u5f97<\/span>\r\n            $all<\/span> =<\/span> $stmt<\/span>-><\/span>fetchALL<\/span>();<\/span>\r\n            foreach<\/span>(<\/span>$all<\/span> as<\/span> $loop<\/span>)<\/span> {<\/span>\r\n                \/\/ (5) \u7d50\u679c\u3092\u8868\u793a<\/span>\r\n                echo<\/span> \"id&nbsp;=&nbsp;\"<\/span> .<\/span> $loop<\/span>[<\/span>\"id\"<\/span>];<\/span>\r\n                echo<\/span> \"&nbsp;name&nbsp;=&nbsp;\"<\/span> .<\/span> $loop<\/span>[<\/span>\"name\"<\/span>];<\/span>\r\n                echo<\/span> \"&nbsp;grade&nbsp;=&nbsp;\"<\/span> .<\/span> $loop<\/span>[<\/span>\"grade\"<\/span>]<\/span> .<\/span> \"<br>\"<\/span>;<\/span>\r\n            }<\/span>\r\n        }<\/span>\r\n        \/\/\u3000\u5207\u65ad<\/span>\r\n        $db<\/span> =<\/span> null<\/span>;<\/span>\r\n    }<\/span> catch<\/span>(<\/span>PDOException<\/span> $e<\/span>)<\/span> {<\/span>\r\n        echo<\/span> \"\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u63a5\u7d9a\u5931\u6557<br>\"<\/span>;<\/span>\r\n        echo<\/span> $e<\/span>-><\/span>getMessage<\/span>();<\/span>\r\n    }<\/span>\r\n?><\/span>\r\n<\/code><\/pre>\n
– \u5f02\u5e38\u5904\u7406\u7684\u7f16\u5199<\/p>\n
try {\r\n    \u4f8b\u5916\u304c\u767a\u751f\u3057\u305d\u3046\u306a\u51e6\u7406\r\n} catch(\u4f8b\u5916\u30af\u30e9\u30b9\u3000\u5909\u6570\u540d) {\r\n    \u4f8b\u5916\u51e6\u7406\r\n}\r\n<\/code><\/pre>\n
\u63d2\u5165\u6570\u636e<\/p>\n
<?php<\/span> \r\n    try<\/span> {<\/span>\r\n        \/\/ (1) \u63a5\u7d9a<\/span>\r\n        $db<\/span> =<\/span> new<\/span> PDO<\/span>(<\/span>'mysql:host=localhost;dbname=school'<\/span>,<\/span> 'root'<\/span>,<\/span> 'root'<\/span>);<\/span>\r\n        \/\/ (2) \u633f\u5165\u3059\u308b\u30c7\u30fc\u30bf\u306e\u4f5c\u6210<\/span>\r\n        $id<\/span> =<\/span> 3003<\/span>;<\/span>\r\n        $name<\/span> =<\/span> \"\"<\/span>;<\/span>\r\n        $grade<\/span> =<\/span> 3<\/span>;<\/span>\r\n        \/\/ (3) SQL\u30af\u30a8\u30ea\u4f5c\u6210<\/span>\r\n        $stmt<\/span> =<\/span> $db<\/span>-><\/span>prepare<\/span>(<\/span>\"INSERT INTO student VALUES(?, ?, ?);\"<\/span>);<\/span> \r\n        $stmt<\/span>-><\/span>bindParam<\/span>(<\/span>1<\/span>,<\/span> $id<\/span>,<\/span> PDO<\/span>::<\/span>PARAM_INT<\/span>);<\/span>\r\n        $stmt<\/span>-><\/span>bindParam<\/span>(<\/span>2<\/span>,<\/span> $name<\/span>,<\/span> PDO<\/span>::<\/span>PARAM_STR<\/span>);<\/span>\r\n        $stmt<\/span>-><\/span>bindParam<\/span>(<\/span>1<\/span>,<\/span> $grade<\/span>,<\/span> PDO<\/span>::<\/span>PARAM_INT<\/span>);<\/span>\r\n        \/\/ (4) SQL  <\/span>\r\n        $res<\/span> =<\/span> $stmt<\/span>-><\/span>execute<\/span>();<\/span>\r\n        \/\/ (5)<\/span>\r\n        $db<\/span> =<\/span> null<\/span>;<\/span>\r\n    }<\/span> catch<\/span>(<\/span>PDOException<\/span> $e<\/span>)<\/span> {<\/span>\r\n        echo<\/span> \"\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u63a5\u7d9a\u5931\u6557<br>\"<\/span>;<\/span>\r\n        echo<\/span> $e<\/span>-><\/span>getMessage<\/span>();<\/span>\r\n    }<\/span>\r\n?><\/span>\r\n<\/code><\/pre>\n
\u8bf7\u4ee5\u4e2d\u6587\u4e3a\u6bcd\u8bed\u7684\u4eba\u5c06\u4e0b\u9762\u7684\u53e5\u5b50\u8fdb\u884c\u91ca\u4e49\uff1a\u53c2\u8003<\/p>\n
 <\/p>\n","protected":false},"excerpt":{"rendered":"
\u7c7b\u548c\u5bf9\u8c61 \u7528\u8bfe\u5802\u4f5c\u4e3a\u6837\u672c <?php \/\/ \u81ea\u52d5\u8eca\u30af\u30e9\u30b9 class Car { \/\/\u3000\u30b9\u30d4\u30fc\u30c9\u306e\u30d7\u30ed\u30d1 […]<\/p>\n","protected":false},"author":6,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[227],"class_list":["post-30100","post","type-post","status-publish","format-standard","hentry","category-uncategorized","tag-227"],"yoast_head":"\n\u3010PHP\u3011PHP\u57fa\u7840\u603b\u7ed3\u2461 - Blog - Silicon Cloud<\/title>\n<meta name=\"description\" content=\"\u5173\u4e8e\u3010PHP\u3011PHP\u57fa\u7840\u603b\u7ed3\u2461\u7684\u6280\u672f\u6587\u7ae0\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.silicloud.com\/zh\/blog\/\u3010php\u3011php\u57fa\u7840\u603b\u7ed3\u2461\/\" \/>\n<meta property=\"og:locale\" content=\"zh_CN\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"\u3010PHP\u3011PHP\u57fa\u7840\u603b\u7ed3\u2461\" \/>\n<meta property=\"og:description\" content=\"\u5173\u4e8e\u3010PHP\u3011PHP\u57fa\u7840\u603b\u7ed3\u2461\u7684\u6280\u672f\u6587\u7ae0\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.silicloud.com\/zh\/blog\/\u3010php\u3011php\u57fa\u7840\u603b\u7ed3\u2461\/\" \/>\n<meta property=\"og:site_name\" content=\"Blog - Silicon Cloud\" \/>\n<meta property=\"article:published_time\" content=\"2023-03-27T13:14:39+00:00\" \/>\n<meta property=\"article:modified_time\" content=\"2025-08-12T09:33:10+00:00\" \/>\n<meta name=\"author\" content=\"\u6587, \u7fd4\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"\u4f5c\u8005\" \/>\n\t<meta name=\"twitter:data1\" content=\"\u6587, \u7fd4\" \/>\n\t<meta name=\"twitter:label2\" content=\"\u9884\u8ba1\u9605\u8bfb\u65f6\u95f4\" \/>\n\t<meta name=\"twitter:data2\" content=\"1 \u5206\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\/\/schema.org\",\"@graph\":[{\"@type\":\"WebPage\",\"@id\":\"https:\/\/www.silicloud.com\/zh\/blog\/%e3%80%90php%e3%80%91php%e5%9f%ba%e7%a1%80%e6%80%bb%e7%bb%93%e2%91%a1\/\",\"url\":\"https:\/\/www.silicloud.com\/zh\/blog\/%e3%80%90php%e3%80%91php%e5%9f%ba%e7%a1%80%e6%80%bb%e7%bb%93%e2%91%a1\/\",\"name\":\"\u3010PHP\u3011PHP\u57fa\u7840\u603b\u7ed3\u2461 - 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