Xcode 9以下(xip) 官方直接下载地址(离线下载）

转载自：http://blog.csdn.net/annkie/article/details/48625519

Xcode 8.3.1

 http://adcdownload.apple.com/Developer_Tools/Xcode_8.3.1/Xcode_8.3.1.xip

Xcode 8.2.1

 http://adcdownload.apple.com/Developer_Tools/Xcode_8.2.1/Xcode_8.2.1.xip

Xcode 8.2

 http://adcdownload.apple.com/Developer_Tools/Xcode_8.2/Xcode_8.2.xip

Xcode 8.1

 http://adcdownload.apple.com/Developer_Tools/Xcode_8.1/Xcode_8.1.xip

Xcode 8.0

 http://adcdownload.apple.com/Developer_Tools/Xcode_8/Xcode_8.xip

Xcode 7

7.3.1:https://developer.apple.com/services-account/download?path=/Developer_Tools/Xcode_7.3.1/Xcode_7.3.1.dmg

7.3: https://developer.apple.com/services-account/download?path=/Developer_Tools/Xcode_7.3/Xcode_7.3.dmg

7.2.1:https://developer.apple.com/services-account/download?path=/Developer_Tools/Xcode_7.2.1/Xcode_7.2.1.dmg

7.2 : https://developer.apple.com/services-account/download?path=/Developer_Tools/Xcode_7.2/Xcode_7.2.dmg

7.1.1: https://developer.apple.com/services-account/download?path=/Developer_Tools/Xcode_7.1.1/Xcode_7.1.1.dmg

7.1 : https://developer.apple.com/services-account/download?path=/Developer_Tools/Xcode_7.1/Xcode_7.1.dmg

7.0 : https://developer.apple.com/services-account/download?path=/Developer_Tools/Xcode_7/Xcode_7.dmg

OS X dmg地址可以拼装出来，但是好像需要开发者账号才能下载。

比如：OS X 10.11

https://developer.apple.com/services-account/download?path=/Developer_Tools/OS_X/OS_X_Yosemite_10.11_build_15A178W/OSX10.11.dmg

https://developer.apple.com/services-account/download?path=/Developer_Tools/OS_X/OS_X_Yosemite_10.11_build_15A178W/OSXUpd10.11.dmg

https://developer.apple.com/services-account/download?path=/Developer_Tools/OS_X/OS_X_Yosemite_10.11_build_15A178W/OSXUpdCombo10.11.dmg

Xcode 8.2.1

 http://adcdownload.apple.com/Developer_Tools/Xcode_8.2.1/Xcode_8.2.1.xip

Xcode 8.2.1

 http://adcdownload.apple.com/Developer_Tools/Xcode_8.2.1/Xcode_8.2.1.xip