Home Backend Development PHP Tutorial php5.2 Json不能正确处理中文、GB编码的解决方法_php技巧

php5.2 Json不能正确处理中文、GB编码的解决方法_php技巧

May 17, 2016 am 08:46 AM
json Chinese

php5.2新增的json功能是非常受欢迎的,但是经过测试发现,
json_encode对中文的处理是有问题的,
1.不能处理GB编码,所有的GB编码都会替换成空字符.
2.utf8编码的中文被编码成unicode编码,相当于javascript的escape函数处理的结果.

复制代码 代码如下:

/*

为了能正确使用json,首先我们就应该在编码上采用utf8编码,然后再对json_encode的返回结果稍加处理就可以得到正确的结果了。
我写了一个简单的类,将这两个函数包装了一下,
**/
class Json{
public static function encode($str){
$code = json_encode($str);
return preg_replace("#\\\u([0-9a-f]+)#ie", "iconv('UCS-2', 'UTF-8', pack('H4', '\\1'))", $code);
}

public static function decode($str){
return json_decode($str);
}
}
//使用的时候

Json::encode($code);
Json::decode($code);
/**这样可以正确处理utf8编码的中文了。

PS:对于GB编码的中文,我们可以在编码时先转成UTF8编码,再进行编码,解码的时候再进行一个utf8 -> gb的转换就可以了。
另外一般json_encode的结果我们是返回到客户端来使用,我们其实还可以用javascript的unescape函数来对unicode编码的中文进行解码,从而还原成正确的中文。

或者用:$title = mb_convert_encoding($title, 'HTML-ENTITIES', $this->_outCharset);//任意编码下都正常显示
********/
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