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[PHP] java读取PHP接口数据

发布时间：2020-05-25 03:14:51 所属栏目：PHP 来源：互联网

导读：和安卓是一个道理，读取json数据PHP文件：?phpclass Test{//日志路径const LOG_PATH=E:phpServerApachelogserror.log;//显示的行数const PAGES=50;public static function main(){header(content-type:text/html;charset=utf-8);if(!empty($_GET[action])){if

和安卓是一个道理，读取json数据

PHP文件：

</span><span style="color: #0000ff;">if</span>(!<span style="color: #0000ff;">empty</span>(<span style="color: #800080;">$_GET</span>['action'<span style="color: #000000;">])){ </span><span style="color: #0000ff;">if</span>(!<span style="color: #008080;">method_exists</span>('Test',<span style="color: #800080;">$_GET</span>['action'<span style="color: #000000;">])){ </span><span style="color: #0000ff;">echo</span> "404"<span style="color: #000000;">; }</span><span style="color: #0000ff;">else</span><span style="color: #000000;">{ self</span>::<span style="color: #800080;">$_GET</span>['action'<span style="color: #000000;">](); } </span><span style="color: #0000ff;">exit</span><span style="color: #000000;">; } } </span><span style="color: #0000ff;">public</span> <span style="color: #0000ff;">static</span> <span style="color: #0000ff;">function</span><span style="color: #000000;"> showApacheLogs(){ </span><span style="color: #800080;">$test</span>=<span style="color: #0000ff;">new</span><span style="color: #000000;"> Test(); </span><span style="color: #800080;">$result</span>=<span style="color: #800080;">$test</span>->readLogs(self::LOG_PATH,self::<span style="color: #000000;">PAGES); </span><span style="color: #800080;">$json</span>=<span style="color: #0000ff;">array</span><span style="color: #000000;">(); </span><span style="color: #0000ff;">for</span>(<span style="color: #800080;">$i</span>=0;<span style="color: #800080;">$i</span><<span style="color: #008080;">count</span>(<span style="color: #800080;">$result</span>);<span style="color: #800080;">$i</span>++<span style="color: #000000;">){ </span><span style="color: #800080;">$line</span>=<span style="color: #800080;">$result</span>[<span style="color: #800080;">$i</span><span style="color: #000000;">]; </span><span style="color: #008000;">//</span><span style="color: #008000;">注意这里，如果处理会json解析失败</span> <span style="color: #800080;">$line</span>=<span style="color: #008080;">str_replace</span>("rn","",<span style="color: #800080;">$line</span><span style="color: #000000;">); </span><span style="color: #800080;">$result</span>[<span style="color: #800080;">$i</span>]=<span style="color: #0000ff;">array</span>("num"=><span style="color: #800080;">$i</span>+1,"msg"=><span style="color: #008080;">urlencode</span>(<span style="color: #800080;">$line</span><span style="color: #000000;">)); } </span><span style="color: #800080;">$str</span>=<span style="color: #008080;">stripslashes</span>(<span style="color: #008080;">urldecode</span>(json_encode(<span style="color: #800080;">$result</span><span style="color: #000000;">))); </span><span style="color: #0000ff;">echo</span> <span style="color: #800080;">$str</span><span style="color: #000000;">; } </span><span style="color: #008000;">/*</span><span style="color: #008000;">* * 读取日志 </span><span style="color: #008000;">*/</span> <span style="color: #0000ff;">private</span> <span style="color: #0000ff;">function</span> readLogs(<span style="color: #800080;">$filePath</span>,<span style="color: #800080;">$num</span>=20<span style="color: #000000;">){ </span><span style="color: #800080;">$fp</span> = <span style="color: #008080;">fopen</span>(<span style="color: #800080;">$filePath</span>,"r"<span style="color: #000000;">); </span><span style="color: #800080;">$pos</span> = -2<span style="color: #000000;">; </span><span style="color: #800080;">$eof</span> = ""<span style="color: #000000;">; </span><span style="color: #800080;">$head</span> = <span style="color: #0000ff;">false</span>; <span style="color: #008000;">//</span><span style="color: #008000;">当总行数小于Num时，判断是否到第一行了 </span> <span style="color: #800080;">$lines</span> = <span style="color: #0000ff;">array</span><span style="color: #000000;">(); </span><span style="color: #0000ff;">while</span>(<span style="color: #800080;">$num</span>>0<span style="color: #000000;">){ </span><span style="color: #0000ff;">while</span>(<span style="color: #800080;">$eof</span> != "n"<span style="color: #000000;">){ </span><span style="color: #0000ff;">if</span>(<span style="color: #008080;">fseek</span>(<span style="color: #800080;">$fp</span>,<span style="color: #800080;">$pos</span>,SEEK_END)==0){ <span style="color: #008000;">//</span><span style="color: #008000;">fseek成功返回0，失败返回-1 </span> <span style="color: #800080;">$eof</span> = <span style="color: #008080;">fgetc</span>(<span style="color: #800080;">$fp</span><span style="color: #000000;">); </span><span style="color: #800080;">$pos</span>--<span style="color: #000000;">; }</span><span style="color: #0000ff;">else</span>{ <span style="color: #008000;">//</span><span style="color: #008000;">当到达第一行，行首时，设置$pos失败 </span> <span style="color: #008080;">fseek</span>(<span style="color: #800080;">$fp</span>,<span style="color: #000000;">SEEK_SET); </span><span style="color: #800080;">$head</span> = <span style="color: #0000ff;">true</span>; <span style="color: #008000;">//</span><span style="color: #008000;">到达文件头部，开关打开 </span> <span style="color: #0000ff;">break</span><span style="color: #000000;">; } } </span><span style="color: #008080;">array_unshift</span>(<span style="color: #800080;">$lines</span>,<span style="color: #008080;">fgets</span>(<span style="color: #800080;">$fp</span><span style="color: #000000;">)); </span><span style="color: #0000ff;">if</span>(<span style="color: #800080;">$head</span>){ <span style="color: #0000ff;">break</span>; } <span style="color: #008000;">//</span><span style="color: #008000;">这一句，只能放上一句后，因为到文件头后，把第一行读取出来再跳出整个循环 </span> <span style="color: #800080;">$eof</span> = ""<span style="color: #000000;">; </span><span style="color: #800080;">$num</span>--<span style="color: #000000;">; } </span><span style="color: #008080;">fclose</span>(<span style="color: #800080;">$fp</span><span style="color: #000000;">); </span><span style="color: #0000ff;">return</span> <span style="color: #008080;">array_reverse</span>(<span style="color: #800080;">$lines</span><span style="color: #000000;">); }

}
Test::main();

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