Eclipse右擊項目Build Path出現No actions available.

該問題是導入項目時.project文件內容不全造成的，下面給出完整的.project文件

<?xml version="1.0" encoding="UTF-8"?>

<projectDescription>

<name>ProjectName</name>

<comment></comment>

<projects>

</projects>

<buildSpec>

<buildCommand>

<name>org.eclipse.jdt.core.javabuilder</name>

<arguments>

</arguments>

</buildCommand>

</buildSpec>

<natures>

<nature>org.eclipse.jdt.core.javanature</nature>

</natures>

</projectDescription>