我用了一个方式去抓一列something…之后我要解析成xml的格式
当然是可行的，但时不及会出错 于是我写下了
try{ $sports = new simplexmlelement($parsedjson);}catch (exception $e){ print_r($e)}
结果为
warning: simplexmlelement::__construct(): entity: line 1: parser error : space required after the public identifier in /home/ns/www/admin/gamble/baseball.php on line 121 warning: simplexmlelement::__construct(): in /home/ns/www/admin/gamble/baseball.php on line 121 warning: simplexmlelement::__construct(): ^ in /home/ns/www/admin/gamble/baseball.php on line 121 warning: simplexmlelement::__construct(): entity: line 6: parser error : opening and ending tag mismatch: hr line 5 and body in /home/ns/www/admin/gamble/baseball.php on line 121 warning: simplexmlelement::__construct(): in /home/ns/www/admin/gamble/baseball.php on line 121 warning: simplexmlelement::__construct(): ^ in /home/ns/www/admin/gamble/baseball.php on line 121 warning: simplexmlelement::__construct(): entity: line 6: parser error : opening and ending tag mismatch: body line 4 and html in /home/ns/www/admin/gamble/baseball.php on line 121 warning: simplexmlelement::__construct(): in /home/ns/www/admin/gamble/baseball.php on line 121 warning: simplexmlelement::__construct(): ^ in /home/ns/www/admin/gamble/baseball.php on line 121 warning: simplexmlelement::__construct(): entity: line 7: parser error : premature end of data in tag head line 2 in /home/ns/www/admin/gamble/baseball.php on line 121 warning: simplexmlelement::__construct(): in /home/ns/www/admin/gamble/baseball.php on line 121 warning: simplexmlelement::__construct(): ^ in /home/ns/www/admin/gamble/baseball.php on line 121 warning: simplexmlelement::__construct(): entity: line 7: parser error : premature end of data in tag html line 2 in /home/ns/www/admin/gamble/baseball.php on line 121 warning: simplexmlelement::__construct(): in /home/ns/www/admin/gamble/baseball.php on line 121 warning: simplexmlelement::__construct(): ^ in /home/ns/www/admin/gamble/baseball.php on line 121
我想到我之前用 curl 抓东西时，用过 json_decode
当时我用这样的方式来让程序自动重抓
do{ $data = @json_decode(file_get_contents($url), true);}while($data == false);
我想请教的是
如果我的 new simplexmlelement 失败了，我也可以用类似的方式作吗？
do{ 抓资料; $data=@json_decode(something); $xml = new simplexmlelement($data);}while($xml == false);
如果 new simplexmlelemen 发生以上的错误，$xml 会 等于 false吗？
求解
回复内容： 我用了一个方式去抓一列something…之后我要解析成xml的格式
当然是可行的，但时不及会出错 于是我写下了
try{ $sports = new simplexmlelement($parsedjson);}catch (exception $e){ print_r($e)}
结果为
warning: simplexmlelement::__construct(): entity: line 1: parser error : space required after the public identifier in /home/ns/www/admin/gamble/baseball.php on line 121 warning: simplexmlelement::__construct(): in /home/ns/www/admin/gamble/baseball.php on line 121 warning: simplexmlelement::__construct(): ^ in /home/ns/www/admin/gamble/baseball.php on line 121 warning: simplexmlelement::__construct(): entity: line 6: parser error : opening and ending tag mismatch: hr line 5 and body in /home/ns/www/admin/gamble/baseball.php on line 121 warning: simplexmlelement::__construct(): in /home/ns/www/admin/gamble/baseball.php on line 121 warning: simplexmlelement::__construct(): ^ in /home/ns/www/admin/gamble/baseball.php on line 121 warning: simplexmlelement::__construct(): entity: line 6: parser error : opening and ending tag mismatch: body line 4 and html in /home/ns/www/admin/gamble/baseball.php on line 121 warning: simplexmlelement::__construct(): in /home/ns/www/admin/gamble/baseball.php on line 121 warning: simplexmlelement::__construct(): ^ in /home/ns/www/admin/gamble/baseball.php on line 121 warning: simplexmlelement::__construct(): entity: line 7: parser error : premature end of data in tag head line 2 in /home/ns/www/admin/gamble/baseball.php on line 121 warning: simplexmlelement::__construct(): in /home/ns/www/admin/gamble/baseball.php on line 121 warning: simplexmlelement::__construct(): ^ in /home/ns/www/admin/gamble/baseball.php on line 121 warning: simplexmlelement::__construct(): entity: line 7: parser error : premature end of data in tag html line 2 in /home/ns/www/admin/gamble/baseball.php on line 121 warning: simplexmlelement::__construct(): in /home/ns/www/admin/gamble/baseball.php on line 121 warning: simplexmlelement::__construct(): ^ in /home/ns/www/admin/gamble/baseball.php on line 121
我想到我之前用 curl 抓东西时，用过 json_decode
当时我用这样的方式来让程序自动重抓
do{ $data = @json_decode(file_get_contents($url), true);}while($data == false);
我想请教的是
如果我的 new simplexmlelement 失败了，我也可以用类似的方式作吗？
do{ 抓资料; $data=@json_decode(something); $xml = new simplexmlelement($data);}while($xml == false);
如果 new simplexmlelemen 发生以上的错误，$xml 会 等于 false吗？
求解
首先，问题可能是因为xml捕获了一个非正常xml格式的数据，如果要捕获错误，可以这样
/** * 解析xml格式的字符串 * * @param string $str * @return 解析正确就返回解析结果,否则返回false,说明字符串不是xml格式 */ function xml_parser($str){ $xml_parser = xml_parser_create(); if(!xml_parse($xml_parser,$str,true)){ xml_parser_free($xml_parser); return false; } else { return (json_decode(json_encode(simplexml_load_string($str)),true)); } }
另外，你通过file_get_contents($url)，直接抓取url，是有可能抓不全数据的哦，这里我推荐一个http请求的类：
简单而强大的http请求类，来自类库：lvhttp://levi.cg.am/archives/3534