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Intellij IDEA 在引入代码后，出现编译错误。
Information:java: Multiple encodings set for module chunk platf "GBK" will be used by compile
Error:(221, 70) java: unclosed string literal
Error:(221, 84) java: ';' expected
猜想是编码问题。
项目的默认编码设置的UTF-8
在Settings - Editor - File Encodings 中设置了
IDEA Encoding UTF-8
Project Encoding UTF-8
改变每个引入.java文件的编码为UTF-8 但是编译还是会出现以上异常。
因为在复制引入的时候，IDEA 会在.idea/encoding.xml中制定文件的编码。
将其中内容删除即可。
原：
<?xml version="1.0" encoding="UTF-8"?>
<project version="4">
<component name="Encoding" defaultCharsetForPropertiesFiles="UTF-8">
<file url="file://$PROJECT_DIR$" charset="UTF-8" />
<file url="file://$PROJECT_DIR$/src/main/java/com/bestpay/model" charset="GBK" />
<file url="file://$PROJECT_DIR$/src/main/java/com/bestpay/utils/DateUtils.java" charset="GBK" />
<file url="file://$PROJECT_DIR$/src/main/java/com/bestpay/utils/HttpUtils.java" charset="GBK" />
<file url="file://$PROJECT_DIR$/src/main/java/com/bestpay/utils/MD5.java" charset="GBK" />
<file url="PROJECT" charset="UTF-8" />
</component>
</project>
删除后：
<?xml version="1.0" encoding="UTF-8"?>
<project version="4">
<component name="Encoding" defaultCharsetForPropertiesFiles="UTF-8">
<file url="file://$PROJECT_DIR$" charset="UTF-8" />
<file url="PROJECT" charset="UTF-8" />
</component>
</project>
即可编译正常。
参考：
http://blog.csdn.net/ouvidia/article/details/44782677
http://blog.csdn.net/tomcat_2014/article/details/50593589
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