Home php教程 php手册 php中GBK/GB2312页面使用json_decode()中文丢失了解决方法

php中GBK/GB2312页面使用json_decode()中文丢失了解决方法

Jun 13, 2016 am 09:51 AM
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在php中json_decode()函数可以把数组与json格式的数据相互转换,但json_decode()函数只支持UTF-8与ASCII编码,如果是gkb就会出问题,下面我们来看看问题分析与解决办法。

好像用json_decode()将数组/对象 序列化为JSON字符串的时候基本上只支持 UTF-8/ASCII编码。而我们有的站采用了GBK/GB2312编码,这个时候,直接使用json_encode/json_decode的时候就可能会出问题了。

 代码如下 复制代码

$json = '{"a":"中国人人"}';
var_dump(json_decode($json));
?>

结果

{"text":null,"status":1}

比如转含有中文的字符字变成空(null),但有时候我们又必须得用gb编码而又要用到json_decode()转换的时候呢?什么办呢?自己昨晚写了一个不用数据库的一个添加音乐的小后台。也就是用php添加音乐,然后生成xml菜单。不用数据库那也得用一个方式来保存数据了。保存成文本的数据再可以直接拿出来用的,我想是把数组json_decode()用它转成json格式,用的时候再拿出来用它json_encode转回数组就可以了(可能最近弄js被json影响了,好像把数组序列化还有更好的方法,比如用:serialize()和unserialize()),呵呵,转正题。既然json_decode()在gb编码上转不了中文,那么我们可以先把中文转成英文编码的形式。那可以使用这个urlencode()转一下编码,再做json_decode()转换。使用的时候,再用urldecode()转成中文就可以了

 代码如下 复制代码

/*
    字符串GBK转码为UTF-8,数字转换为数字。
*/
function ct2($s){
    if(is_numeric($s)) {
        return intval($s);
    } else {
        return iconv("GBK","UTF-8",$s);
    }
}
/*
    批量处理gbk->utf-8
*/
function icon_to_utf8($s) {
  if(is_array($s)) {
    foreach($s as $key => $val) {
      $s[$key] = icon_to_utf8($val);
    }
  } else {
      $s = ct2($s);
  }
  return $s;
}
echo json_encode(icon_to_utf8("厦门"));

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