php encode中文乱码的解决办法:首先打开相应的PHP文件;然后使用正则语句“preg_replace("#\\\u([0-9a-f]{4})#ie","iconv('UCS-2BE', 'UTF-8'...)”将编码替换成中文即可。
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本文列举3个方法,实现json_encode()后的string显示中文问题。
做接口时不需要,但存log时帮了大忙了。
在贴代码前,必须贴上官方param和return,链接:http://php.net/manual/zh/function.json-encode.php
参数
value
-
待编码的
value
,除了resource 类型之外,可以为任何数据类型该函数只能接受 UTF-8 编码的数据
options
由以下常量组成的二进制掩码:
JSON_HEX_QUOT
,JSON_HEX_TAG
,JSON_HEX_AMP
,JSON_HEX_APOS
,JSON_NUMERIC_CHECK
,JSON_PRETTY_PRINT
,JSON_UNESCAPED_SLASHES
,JSON_FORCE_OBJECT
,JSON_UNESCAPED_UNICODE
.
返回值
编码成功则返回一个以 JSON 形式表示的 string 或者在失败时返回 FALSE
。
<?php // json_encode() 保持中文方法详解 $arr['city'] = '北京'; $arr['name'] = 'weilong'; // 直接输出 // Res: {"city":"\u5317\u4eac","name":"weilong"} echo json_encode($arr), "\n"; #### 1. 加参数,PHP版本>=5.4 // Res: {"city":"北京","name":"weilong"} echo json_encode($arr, JSON_UNESCAPED_UNICODE), "\n"; // php >= 5.4 #### 2. 正则替换,json_encode后,正则将编码替换成中文 // Res: {"city":"北京","name":"weilong"} echo preg_replace("#\\\u([0-9a-f]{4})#ie", "iconv('UCS-2BE', 'UTF-8', pack('H4', '\\1'))", json_encode($arr)), "\n"; // PHP 5.5 /e修饰符被弃用 echo preg_replace_callback("/\\\u([0-9a-f]{4})/i", function($match) { // php >= 5.3 都可以 return json_decode("\"{$match[0]}\"", true); }, json_encode($arr)), "\n"; #### 3. urldecode()、urlencode()函数,不推荐 // Res1: null, Res2: {"city":"北京","name":"weilong"} echo urldecode(json_encode(urlencode($arr))), "\n"; $arr['city'] = urlencode($arr['city']); // urlencode()参数必须是string echo urldecode(json_encode($arr)), "\n"; // 另外注意json_decode()参数区别。 $arr['city'] = '北京'; $arr['name'] = 'weilong'; $str = json_encode($arr); $str2 = json_decode($str); $str3 = json_decode($str, true); print_r($str2); // object /* Res: stdClass Object ( [city] => 北京 [name] => weilong ) */ print_r($str3); // array /* Res: Array ( [city] => 北京 [name] => weilong ) */
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