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To insert GB18030 data into database correctly, the value of
request.getCharacterEncoding() must be GB18030 or UTF-8.
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If the value of request.getCharacterEncoding() is neither GB18030 nor UTF-8, the GB18030 data may be stored in database in HTML character references format as Figure 4, such as &#xxxxx. Though these data can be correctly retrieved and viewed by browsers, to a third party application such as database manager and operating system, the data is meaningless.
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Only when the request’s encoding is identical to the browser’s View > Encoding setting, GB18030 data can be inserted correctly.
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Netscape 7.0 has a bug of inserting surrogate data into DB2 database under UTF-8 environment.
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To retrieve and display GB18030 data correctly, except the data in character reference format, such as &#xxxxx, the value of response.getCharacterEncoding() must be GB18030 or UTF-8.
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IE 6.0 has a weakness to display GB18030 data in some objects, such as List Box. However, there is a workaround.
If you have any question on this article or ideas, contact us at global@us.ibm.com
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