不知道这里面能不能贴链接，我是去这里面下载的
http://www.oracle.com/technetwork/java/javase/downloads/index.html

我用的是Windows，所以就能Windows的下载链接吧（其他都大同小异）
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*****JKD8
Windows x86 157.96 MB jdk-8u31-windows-i586.exe
http://download.oracle.com/otn-pub/java/jdk/8u31-b13/jdk-8u31-windows-i586.exe
Windows x64 170.36 MB jdk-8u31-windows-x64.exe
http://download.oracle.com/otn-pub/java/jdk/8u31-b13/jdk-8u31-windows-x64.exe
*****JDK7
Windows x86 127.8 MB jdk-7u75-windows-i586.exe
http://download.oracle.com/otn-pub/java/jdk/7u75-b13/jdk-7u75-windows-i586.exe
Windows x64 129.52 MB jdk-7u75-windows-x64.exe
http://download.oracle.com/otn-pub/java/jdk/7u75-b13/jdk-7u75-windows-x64.exe
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JRE一样可以在第一个地址获取，如果下载速度慢的话可以用网盘的离线功能先离线到网盘再下载到本地

*****不会在这发图_(:3」∠)_