如何编译支持文本编解码器的Qt库4.7.1？

Question

我已经成功地构建了静态Qt库，我可以看到插件/codecs/libqcncodecs.a，但我仍然不能像这样使用GB18030：

QTextCodec::codecForName("GB18030")

我仍然找不到中文相关的编解码器

foreach (int mib, QTextCodec::availableMibs()) {
    QTextCodec *codec = QTextCodec::codecForMib(mib);

    QString sortKey = codec->name().toUpper();
    qDebug()<<sortKey;
}

这是我的应用程序的输出：

"SYSTEM" 
"UTF-8" 
"ISO-8859-1" 
"ISO-8859-15" 
"UTF-32LE" 
"UTF-32BE" 
"UTF-32" 
"UTF-16LE" 
"UTF-16BE" 
"UTF-16" 
"MULELAO-1" 
"ROMAN8" 
"TIS-620" 
"WINSAMI2" 
"APPLE ROMAN" 
"WINDOWS-1258" 
"WINDOWS-1257" 
"WINDOWS-1256" 
"WINDOWS-1255" 
"WINDOWS-1254" 
"WINDOWS-1253" 
"WINDOWS-1252" 
"WINDOWS-1251" 
"WINDOWS-1250" 
"IBM866" 
"IBM874" 
"IBM850" 
"ISO-8859-16" 
"ISO-8859-14" 
"ISO-8859-13" 
"ISO-8859-10" 
"ISO-8859-9" 
"ISO-8859-8" 
"ISO-8859-7" 
"ISO-8859-6" 
"ISO-8859-5" 
"ISO-8859-4" 
"ISO-8859-3" 
"ISO-8859-2" 
"KOI8-U" 
"KOI8-R" 
"ISCII-MLM" 
"ISCII-KND" 
"ISCII-TLG" 
"ISCII-TML" 
"ISCII-ORI" 
"ISCII-GJR" 
"ISCII-PNJ" 
"ISCII-BNG" 
"ISCII-DEV" 
"TSCII" 

如何添加中文文本编解码器？

Answer 1

documentation表示：“要静态链接这些插件，您需要在应用程序中使用Q_IMPORT_PLUGIN()宏，并且需要使用QTPLUGIN将所需插件添加到您的构建中。”

我认为您的应用程序中缺少一个Q_IMPORT_PLUGIN(qcncodecs)。