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php json_encode总是返回unicode字符 "u."问题 解决

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Release: 2016-06-23 13:36:56
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最近遇上了一件怪事,前两天写的好好的代码,今天再运行就乱码了。查了一下,不是一般意义的乱码,而是返回的unicode编码的字符。

如汉字:登录失败,经过json_encode之后返回变成:"\u767b\u5f55\u5931\u8d25"

实在气死杂家,找了一通,发现这是个普遍问题,最终解决方法如下:

正常调用json_encode($arr),在echo之间,将这个json数据通过以下函数处理下:

public static function JSON($str){
$json = json_encode($str);
return preg_replace("#\\\u([0-9a-f]+)#ie","iconv('UCS-2','UTF-8', pack('H4', '\\1'))",$json);
}

这样就再也不乱码了。对于高版本php,可以直接加个参数,但对低版本无效,所以只能这样。完整代码如下:

<?phpclass util{			public static function JSON($str){		$json = json_encode($str);		return preg_replace("#\\\u([0-9a-f]+)#ie","iconv('UCS-2','UTF-8', pack('H4', '\\1'))",$json);	}	}?>
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调用示例:

		// echo "登录失败";			$arr = array ();			$arr ['code'] = - 1;			$arr ['message'] = "登录失败";			echo $arr ['message'];			$arr ['data'] = "";						return util::JSON ( $arr );
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参考: http://stackoverflow.com/questions/6771938/any-way-to-return-php-json-encode-with-encode-utf-8-and-not-unicode

source:php.cn
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