Struts2 后台獲取路徑的幾種方法

Struts2 后台獲取路徑的幾種方法

 

package actions.app;

import java.io.File;

import org.apache.struts2.ServletActionContext;

public class GetImagesPathAction {
    
    
    
    
    public String execute(){
        
        String bathPath=System.getProperty("user.dir");
        System.out.println(bathPath);
        //C:\JavaEE_Tools\apache-tomcat-7.0.68\bin
        
        
        String basePath1=ServletActionContext.getServletContext().getRealPath(File.separator);
        System.out.println(basePath1);
        // C:\JavaEE_Tools\apache-tomcat-7.0.68\webapps\myWebApp\
        
        String bathPath2=GetImagesPathAction.class.getClassLoader().getResource("").getFile().replaceAll("/WEB-INF/classes/", "").replaceAll("%20", " ").substring(1);
        System.out.println(bathPath2);
        // C:/JavaEE_Tools/apache-tomcat-7.0.68/webapps/myWebApp
        
        File directory = new File("");//設定為當前文件夾 
        
        System.out.println(directory.getAbsolutePath());
        //C:\JavaEE_Tools\apache-tomcat-7.0.68\bin
        

        return "success";
    }

}