First, line installation
1. Click on Help -> Install New Software ...
2. In the window that pops up click on the add button, enter the Name (arbitrary) and Location (URL plugin) and click OK
http://subclipse.tigris.org/update_1.8.x
3. Check the plug-in content that appears, step by step installation.
Second, the offline installation
1. Download the required plug-in package: http: //www.oschina.net/p/subclipse/, the bag will have "plugins" and "features" two folders
2. Locate the eclipse directory under "plugins" and "features" folder will be downloaded the svn corresponding content in the name of the folder to the same name as the file folder eclipse
3. Adoption of the clean restart Eclipse (: Open cmd, enter the eclipse installation directory, execute eclipse.exe the -clean )