https://blog.csdn.net/superit401/article/details/78200259
方法1.eclipse工具栏的Windows——Preferences——General——Startup and Shutdown——Workspaces——在右侧Recent Workspaces中找到第一个目录即是：
方法2：eclipse工具栏的Windows——Preferences——General——Startup and Shutdown——Tracing——在右侧Tracing output中找到Output to file中找到路径：