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数据库中的数据本身就存在乱码,如某条记录   1941 |     1 |     0 |        11 |     255 |     255 |    0 | 2011-08-15 11:01:51 |    0 |    0 |  A 莽?郝该ε铰ッヅ?懊?嘎??仿?                但我不能去更改数据库的数据,后台我用php去查数据库,将获得的数据转为json string,这样前端解析包含乱码的json string就报错 用json验证工具也通不过 Parse error on line 16:
...            "dpi": "A 莽?郝该ε铰ッヅ?懊?嘎??仿?",   
----------------------^
Expecting 'STRING', 'NUMBER', 'NULL', 'TRUE', 'FALSE', '{', '['

其它数据库没有乱码的都是正常的!  我现在的问题是我从后台传过来的包含乱码的json string会造成前端js报错,这样就影响用户使用,有什么办法可以让乱继续显示而js 不报错?


回复讨论(解决方案)

你的编码是gb2312的?

用了ajax?

1、你在数据库里看也是乱码吗?如果不是,那是什么?
2、是否仅回避掉报错就可以了

你的编码是gb2312的?

用了ajax?
html页面时用utf8  用的jquery ajax     数据库是mysql charset=latin1  php我已经用相关函数转码了 转出来的和数据库是一致的   
即命令行下用 set charset latin1;  然后再select是一致

1、你在数据库里看也是乱码吗?如果不是,那是什么?
2、是否仅回避掉报错就可以了
数据库中存在乱码,是别人插入时产生的   不是转码的问题  就是取出来本身乱码的数据 用json传到前台js解析时报错,而我的意思就是要让乱码可以显示,只要与数据库一致就行  

1、你在数据库里看也是乱码吗?如果不是,那是什么?
2、是否仅回避掉报错就可以了

{
            "id": 1936,
            "name": "220kV母线保护IRCS915AB",
            "ft": 11,
            "dpit": 4,
            "dpi": "$?韫?",
            "time": "2011-08-17 09:16:04",
            "info": "3_20110817091604.txt"
  }
js解析到dpi时就会报非法字符错误

你贴出读出数据的 bas64 编码
做法是
读取有乱码的记录,比如读到变量 $s 中
然后 echo base64_encode($s);
贴出结果

你贴出读出数据的 bas64 编码
做法是
读取有乱码的记录,比如读到变量 $s 中
然后 echo base64_encode($s);
贴出结果


使用了base64_encode(mb_convert_encoding($string, 'utf-8', 'gbk'))后:
JAMF56KeCwjpn6s/YQ0FCAE=

我只要 base64_encode($string) 的结果
你转码了,就把现场破坏了

我只要 base64_encode($string) 的结果
你转码了,就把现场破坏了

不好意思,刚才那个是我自己在mysql类中自动处理的  
这个没有转码JAOyBbROCwjouay/YQ0FCAE=

我只要 base64_encode($string) 的结果
你转码了,就把现场破坏了
搞定 json字符串里包含非法字符 转义一下就行了 谢了!


我只要 base64_encode($string) 的结果
你转码了,就把现场破坏了
搞定 json字符串里包含非法字符 转义一下就行了 谢了!

如何转义的

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