新版spring 3.2.6,4.0下载地址，不用maven的
?包内有jar包，源码，文档
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http://maven.springframework.org/release/org/springframework/spring/3.2.6.RELEASE/
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http://maven.springframework.org/release/org/springframework/spring/4.0.0.RELEASE/
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其他版本
http://maven.springframework.org/release/org/springframework/spring/
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