Question

我一直在尝试为我的应用程序设置UTF-8编码。目前，它被设置为默认latin1。我已经浏览了几个博客，并按照其中的建议对JSP，glassfish-web.xml和mysql进行了必要的更改。我尝试通过使用latin1创建测试表然后将其转换为utf8来测试编码。我做了以下更改：

数据库表：

select * from test_latin;
+-------+
| c     |
+-------+
| a     |
| abc   |
| ©     |
| Á     |
| ß ö   |
+-------+

select * from test_utf8;
+-------+
| c     |
+-------+
| a     |
| abc   |
| ©     |
| Á     |
| ß ö   |
+-------+

将此添加到web.xml

<filter>
    <filter-name>utf8EncodingFilter</filter-name>
    <filter-class>gji.web.filter.SetCharacterEncodingFilter</filter-class>
    <init-param>
        <param-name>encoding</param-name>
        <param-value>UTF-8</param-value>
    </init-param>
</filter>

<filter-mapping>
    <filter-name>utf8EncodingFilter</filter-name>
    <url-pattern>/*</url-pattern>
</filter-mapping>

在jsps中：

<%@page contentType="text/html" pageEncoding="UTF-8"%>
<meta http-equiv="Content-Type" content="text/html; charset=UTF-8">

在java代码中，我可以看到它们在日志中正确打印。但是在JSP上它显示为：

Info: utf-8 char:- a
Info: utf-8 char:- abc
Info: utf-8 char:- ©
Info: utf-8 char:- Á
Info: utf-8 char:- ß ö
Info: latin char:- a
Info: latin char:- abc
Info: latin char:- ©
Info: latin char:- Á
Info: latin char:- ß ö

LATIN:[a, abc, ￯﾿ﾂ￯ﾾﾩ, ￯﾿ﾃ￯ﾾﾁ, ￯﾿ﾃ￯ﾾﾟ ￯﾿ﾃ￯ﾾﾶ] 
UTF-8:[a, abc, ￯﾿ﾂ￯ﾾﾩ, ￯﾿ﾃ￯ﾾﾁ, ￯﾿ﾃ￯ﾾﾟ ￯﾿ﾃ￯ﾾﾶ]

在glassfish配置中，我添加了设置以启用utf-8编码。同样添加了数据库连接的参数。

使用stackoverflow上的答案中的代码，我添加了一个过滤器来打印响应输出。响应输出显示以下内容：

<label>LATIN:</label>[a, abc, ￯﾿ﾂ￯ﾾﾩ, ￯﾿ﾃ￯ﾾﾁ, ￯﾿ﾃ￯ﾾﾟ ￯﾿ﾃ￯ﾾﾶ]

<label>UTF-8:</label>[a, abc, ￯﾿ﾂ￯ﾾﾩ, ￯﾿ﾃ￯ﾾﾁ, ￯﾿ﾃ￯ﾾﾟ ￯﾿ﾃ￯ﾾﾶ]

十六进制值和char变量值：

mysql> select c,length(c),char_length(c),charset(c), hex(c) from   test_latin;
+-------+-----------+----------------+------------+--------+
| c     | length(c) | char_length(c) | charset(c) | hex(c) |
+-------+-----------+----------------+------------+--------+
| a     |         1 |              1 | latin1     | 61     |
| abc   |         3 |              3 | latin1     | 616263 |
| ©     |         1 |              1 | latin1     | A9     |
| Á     |         1 |              1 | latin1     | C1     |
| ß ö   |         3 |              3 | latin1     | DF20F6 |
+-------+-----------+----------------+------------+--------+

mysql> select c,length(c),char_length(c),charset(c), hex(c) from test_utf8;
+-------+-----------+----------------+------------+------------+
| c     | length(c) | char_length(c) | charset(c) | hex(c)     |
+-------+-----------+----------------+------------+------------+
| a     |         1 |              1 | utf8       | 61         |
| abc   |         3 |              3 | utf8       | 616263     |
| ©     |         2 |              1 | utf8       | C2A9       |
| Á     |         2 |              1 | utf8       | C381       |
| ß ö   |         5 |              3 | utf8       | C39F20C3B6 |
+-------+-----------+----------------+------------+------------+

mysql> show variables like '%char%';
+--------------------------+----------------------------+
| Variable_name            | Value                      |
+--------------------------+----------------------------+
| character_set_client     | utf8                       |
| character_set_connection | utf8                       |
| character_set_database   | utf8                       |
| character_set_filesystem | binary                     |
| character_set_results    | utf8                       |
| character_set_server     | latin1                     |
| character_set_system     | utf8                       |
| character_sets_dir       | /usr/share/mysql/charsets/ |
+--------------------------+----------------------------+

我坚持这个。感谢您的指导。谢谢！

启用Mysql 5.6 UTF-8编码，Glassfish 3.1.2.2，EJB3

0 个答案: