转：http://www.zpluz.com/thread-11-1-1.html
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Xcode 4.5.2正式版官方下载
http://adcdownload.apple.com/Developer_Tools/xcode_4.5.2/xcode4520418508a.dmg
xcode4.5正式版官方下载地址
http://adcdownload.apple.com/Developer_Tools/xcode_4.5/xcode_4.5.dmg
xcode4.4.1官方正式版下载:
http://adcdownload.apple.com/Developer_Tools/xcode_4.4.1/xcode_4.4.1_6938145.dmg
命令行工具：
http://adcdownload.apple.com/Developer_Tools/xcode_4.4.1/command_line_tools_for_xcode_os_x_lion_aug_2012.dmg
http://adcdownload.apple.com/Developer_Tools/xcode_4.4.1/command_line_tools_for_xcode_os_x_mountain_lion_aug_2012.dmg
xocde 4.3.3下载地址：
http://adcdownload.apple.com/Developer_Tools/xcode_4.3.3_for_lion/xcode_4.3.3_for_lion.dmg
xocde 4.3.2下载地址：
http://adcdownload.apple.com/Developer_Tools/xcode_4.3.2/xcode_432_lion.dmg
xocde 4.3.1下载地址：
http://adcdownload.apple.com/Developer_Tools/xcode_4.3.1_for_lion_21267/xcode_431_lion.dmg
xcode4.3下载
http://adcdownload.apple.com/Developer_Tools/xcode_4.3_for_lion_21266/xcode_43_lion.dmg
xcode4.2.1下载
http://adcdownload.apple.com/Developer_Tools/xcode_4.2.1_for_lion_21265/installxcode_421_lion.dmg
xcode4.2下载
http://adcdownload.apple.com/Developer_Tools/xcode_4.2_for_lion_21264/installxcode_42_lion.dmg
xcode4.1下载
http://adcdownload.apple.com/Developer_Tools/xcode_4.1_for_lion_21263/installxcode_41_lion.dmg
xcode3.2.6下载
http://adcdownload.apple.com/Developer_Tools/xcode_3.2.6_and_ios_sdk_4.3__final/xcode_3.2.6_and_ios_sdk_4.3.dmg