有这一个数组:
Array
(
[0] => Array
(
[name] => 192.168.1.250
[id] => 3232236026
[items] => Array
(
[defualt] => Array
(
[parentNode] => 3232236026
[name] => 请选择接口
[id] => 0
) [0] => Array
(
[parentNode] => 3232236026
[name] => LAN0(内网)
[id] => em0
) [1] => Array
(
[parentNode] => 3232236026
[name] => LAN1(外网)
[id] => em1
) ) ))我在解析前先用mb_convert_encoding()改了成了utf-8我用json_encode解析后,在linux终端用php xxx.php直接执行,能得到正确的结果:
[{"name":"192.168.1.250","id":"3232236026","items":{"defualt":{"parentNode":"3232236026","name":"\u8bf7\u9009\u62e9\u63a5\u53e3","id":"0"},"0":{"parentNode":"3232236026","name":"LAN0(\u5185\u7f51)","id":"em0"},"1":{"parentNode":"3232236026","name":"LAN1(\u5916\u7f51)","id":"em1"}}}] 但是我用火狐的web控制台打开后,得到的结果却是:
[{"name":"192.168.1.250","id":"3232236026","items":{"defualt":{"parentNode":"3232236026","name":"\u8bf7\u9009\u62e9\u63a5\u53e3","id":"0"},"0":{"parentNode":"3232236026","name":null,"id":"em0"},"1":{"parentNode":"3232236026","name":null,"id":"em1"}}}] 上面的“请选择接口”这个字符串,是我在php中直接输入的,而“LAN1(外网)”是我在一个文件里面获取的,他们有什么不一样吗?该如何解决呢?PHPJSONnull
Array
(
[0] => Array
(
[name] => 192.168.1.250
[id] => 3232236026
[items] => Array
(
[defualt] => Array
(
[parentNode] => 3232236026
[name] => 请选择接口
[id] => 0
) [0] => Array
(
[parentNode] => 3232236026
[name] => LAN0(内网)
[id] => em0
) [1] => Array
(
[parentNode] => 3232236026
[name] => LAN1(外网)
[id] => em1
) ) ))我在解析前先用mb_convert_encoding()改了成了utf-8我用json_encode解析后,在linux终端用php xxx.php直接执行,能得到正确的结果:
[{"name":"192.168.1.250","id":"3232236026","items":{"defualt":{"parentNode":"3232236026","name":"\u8bf7\u9009\u62e9\u63a5\u53e3","id":"0"},"0":{"parentNode":"3232236026","name":"LAN0(\u5185\u7f51)","id":"em0"},"1":{"parentNode":"3232236026","name":"LAN1(\u5916\u7f51)","id":"em1"}}}] 但是我用火狐的web控制台打开后,得到的结果却是:
[{"name":"192.168.1.250","id":"3232236026","items":{"defualt":{"parentNode":"3232236026","name":"\u8bf7\u9009\u62e9\u63a5\u53e3","id":"0"},"0":{"parentNode":"3232236026","name":null,"id":"em0"},"1":{"parentNode":"3232236026","name":null,"id":"em1"}}}] 上面的“请选择接口”这个字符串,是我在php中直接输入的,而“LAN1(外网)”是我在一个文件里面获取的,他们有什么不一样吗?该如何解决呢?PHPJSONnull
2、你的php程序是 utf-8 的,所以“请选择接口”能通过编码
3、你的数据文件不是 utf-8 的,所以“LAN1(外网)”等,不能通过编码解决的办法是:将数据文件以 utf-8 编码保存
$s = json_encode($ar);你在其后加上
echo base64_encode(serialize($ar));
贴出结果
下面的是直接打印的结果。
[root@localhost php]# php select_for_interface.php
PHP Warning: Directive 'register_globals' is deprecated in PHP 5.3 and greater in Unknown on line 0
czoyODM6Ilt7Im5hbWUiOiIxOTIuMTY4LjEuMjUwIiwiaWQiOiIzMjMyMjM2MDI2IiwiaXRlbXMiOnsiZGVmdWFsdCI6eyJwYXJlbnROb2RlIjoiMzIzMjIzNjAyNiIsIm5hbWUiOiJcdThiZjdcdTkwMDlcdTYyZTlcdTYzYTVcdTUzZTMiLCJpZCI6IjAifSwiMCI6eyJwYXJlbnROb2RlIjoiMzIzMjIzNjAyNiIsIm5hbWUiOiJMQU4wKFx1NTE4NVx1N2Y1MSkiLCJpZCI6ImVtMCJ9LCIxIjp7InBhcmVudE5vZGUiOiIzMjMyMjM2MDI2IiwibmFtZSI6IkxBTjEoXHU1OTE2XHU3ZjUxKSIsImlkIjoiZW0xIn19fV0iOw==
[{"name":"192.168.1.250","id":"3232236026","items":{"defualt":{"parentNode":"3232236026","name":"\u8bf7\u9009\u62e9\u63a5\u53e3","id":"0"},"0":{"parentNode":"3232236026","name":"LAN0(\u5185\u7f51)","id":"em0"},"1":{"parentNode":"3232236026","name":"LAN1(\u5916\u7f51)","id":"em1"}}}]
[root@localhost php]#上面是我的操作结果, 这个结果貌似是正常的,但是用浏览器打开后却是不正常的:
czoyNTE6Ilt7Im5hbWUiOiIxOTIuMTY4LjEuMjUwIiwiaWQiOiIzMjMyMjM2MDI2IiwiaXRlbXMiOnsiZGVmdWFsdCI6eyJwYXJlbnROb2RlIjoiMzIzMjIzNjAyNiIsIm5hbWUiOiJcdThiZjdcdTkwMDlcdTYyZTlcdTYzYTVcdTUzZTMiLCJpZCI6IjAifSwiMCI6eyJwYXJlbnROb2RlIjoiMzIzMjIzNjAyNiIsIm5hbWUiOm51bGwsImlkIjoiZW0wIn0sIjEiOnsicGFyZW50Tm9kZSI6IjMyMzIyMzYwMjYiLCJuYW1lIjpudWxsLCJpZCI6ImVtMSJ9fX1dIjs=
[{"name":"192.168.1.250","id":"3232236026","items":{"defualt":{"parentNode":"3232236026","name":"\u8bf7\u9009\u62e9\u63a5\u53e3","id":"0"},"0":{"parentNode":"3232236026","name":null,"id":"em0"},"1":{"parentNode":"3232236026","name":null,"id":"em1"}}}] 这就是浏览器中记录的结果。
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没看仔细
又是给了正确的数据
同时,我将内容写死在php代码里面,火狐web控制台得到的就是正确结果。结论:貌似只要是从文件里面读取的,经过json_encode()后,火狐web控制台得到的就是null。但是我在其他机器上也使用过从文件读取内容,通过json_encode()后在界面展示,没出现过这样的问题啊。
所以如果是 null 那么一定是在 json_encode 时产生的我要你提供的正是你发现有 null 时的原始数据,这样才能找到问题出现的原因
抗燃,如果你不愿意,我更无所谓
就算不解答,也烦请告诉下原因啊。
我8L发的那一段确实是我json_encode()之前的那个数组, 用print_r打印出来的就是我主楼贴的那个数组。
现象是终端打印结果是正常的, 火狐控制台看就异常了, 截图如下:从图中可以看出来, php xxx.php执行后的结果,也就是echo出来的结果中带LAN1(\u5916\u7f51),
而在火狐控制台,火狐收到的结果却是null。
从这个截图可以看出,echo出来的内容,和上一楼基本是一样的
但是在火狐这里得到结果,却天差地别。这个结果是对的。同时, 我读取文件里面去掉中文,全英文,得到的结果也是Null,感觉读取文件,火狐的显示Null,不读取就正常
=> 323236026 [name] => [id] => em0
这样的吗?
name 至少是不可见字符,那么怎么能正确转换呢?你这是 ajax 应用吧?你可以还是火狐操作
但把 echo base64_encode(serialize($ar)); 改成
file_put_contents('test.txt', base64_encode(serialize($ar)));
然后贴出 test.txt 的内容
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这是火狐得到的内容:
YToxOntpOjA7YTozOntzOjQ6Im5hbWUiO3M6MTM6IjE5Mi4xNjguMS4yNTAiO3M6MjoiaWQiO3M6MTA6IjMyMzIyMzYwMjYiO3M6NToiaXRlbXMiO2E6Mzp7czo3OiJkZWZ1YWx0IjthOjM6e3M6MTA6InBhcmVudE5vZGUiO3M6MTA6IjMyMzIyMzYwMjYiO3M6NDoibmFtZSI7czoxNToi6K+36YCJ5oup5o6l5Y+jIjtzOjI6ImlkIjtzOjE6IjAiO31pOjA7YTozOntzOjEwOiJwYXJlbnROb2RlIjtzOjEwOiIzMjMyMjM2MDI2IjtzOjQ6Im5hbWUiO047czoyOiJpZCI7czozOiJlbTAiO31pOjE7YTozOntzOjEwOiJwYXJlbnROb2RlIjtzOjEwOiIzMjMyMjM2MDI2IjtzOjQ6Im5hbWUiO047czoyOiJpZCI7czozOiJlbTEiO319fX0=
$json = json_encode($arr_select);
print_r($arr_select);
echo base64_encode(serialize($arr_select));
echo "\n";
echo $json;我这样应该是打印出的版主要的内容了吧。
那两段数据, test.txt里面就是执行版主你的语句得到的, 同时也是echo base64_encode(serialize($arr_select));的结果。而第二段数据,是火狐web控制台跟踪http请求,有火狐打印出来的响应的内容。就是不知道为什么会不一样, 因为不管怎么改, php里面在Linux终端直接echo得到的确实是有LAN1(\u5916\u7f51),而火狐出现的确实Null, 这种情况我也是第一次遇到, 读文件,不管有没有中文,火狐打印的都是null, 我换一台机器部署一下我的代码试试看, 看看是不是环境的原因。
file_put_contents('test.txt', base64_encode(serialize($arr_select)));
放在你的程序里,然后用火狐按正常流程访问你的程序
这样得到的 test.txt,才是真实的数据