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HomeBackend DevelopmentPHP Tutorial洪恩在线成语词典小偷程序php版_PHP

主要函数是file_get_contents,主程序分两段,跟我一起看过来吧(凡人博客原创代码,转载请注明)。
复制代码 代码如下:
function escape($str){
preg_match_all('/[\x80-\xff].|[\x01-\x7f]+/',$str,$r);
$ar = $r[0];
foreach($ar as $k=>$v){
if(ord($v[0]) $ar[$k] = rawurlencode($v);
else
$ar[$k] = '%u'.bin2hex(iconv('GB2312','UCS-2',$v));
}
return join('',$ar);
}

上面的函数主要是用php实现JavaScript的escape编码过程,因为洪恩的查询接口需要传递过去的值是经过escape编码后的成语条目。
复制代码 代码如下:
function chacy($chengyu){
$chengyu=escape($chengyu);
$text=@file_get_contents('http://study.hongen.com/dict/ndsearchchengyu.aspx?type=exact&word='.$chengyu);
$pos1=strpos($text,'

');
$pos2=strrpos($text,'
');
$text=substr($text,$pos1,$pos2-$pos1);
//把字符集由原来的UTF-8转换到GB2312,注意在GB2312之后加上了//IGNORE,强制遇到特殊字符也继续转换,因为在遇到汉字“一”的时候iconv函数会终止转换
$text=iconv('UTF-8','GB2312//IGNORE',$text);
if (strpos($text,'出处')){
return $text;
}
}

上面是自己定义的成语查询函数,首先escape编码要查询的成语条目,然后使用file_get_contents函数获取“http://study.hongen.com/dict/ndsearchchengyu.aspx?type=exact&word=”页面查询的内容,使用substr去除前后一些不需要的多余代码,中间就是成语条目的解释部分(包括拼音、解释、出处、例句),最后记得要转码,洪恩返回的结果是UTF-8编码,一般情况下我们需要转换为GB2312编码,上面我写了一个有关iconv函数转换编码有时会出现bug的注释文本,需要加上一个//IGNORE参数。最后判断结果中是否存在“出处”二字,有的话说明整个函数运行成功,可以把获取到的内容return给页面了。

程序主体实现完成,只需在相应位置调用查询函数:chacy 就可以了。
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