使用前需要先安装java虚拟机，安装jre1.6后就可以使用了。 否则会提示以下出错信息： A Java Runtime Environment(JRE) or Java Development Kit (JDK) must be available in order to run Eclipse. No Java virtual machine was found after searching the following locations: C:\Downloads\Eclipse3.2中文版\eclipse\jre\bin\javaw.exe 'javaw.exe' in your c