1、找到并打开界面:Eclipse -> Preferences -> General -> Workspace -> “Save automatically before build
2、找到并打开界面:Eclipse ->Preferences -> Run/Debug -> Launching -> Save dirty editors before launching 设置为 Always
1、找到并打开界面:Eclipse -> Preferences -> General -> Workspace -> “Save automatically before build
2、找到并打开界面:Eclipse ->Preferences -> Run/Debug -> Launching -> Save dirty editors before launching 设置为 Always