请教两句代码的意思。

Question

标红和标紫的代码的意思。    public int doEndTag() throws JspTagException 
    {
        System.out.println("doEndTag");
        try 
        {  
             if(bodyContent != null)  
             {
             JspWriter out=bodyContent.getEnclosingWriter();
              bodyContent.writeOut(out);
                
                bodyContent.writeOut(bodyContent.getEnclosingWriter()); 
             }
        } 
        catch(java.io.IOException e)
        {
         throw new JspTagException("IO Error: " + e.getMessage());  
        }   
        return EVAL_PAGE;  
    }

Answer 1

    public int doEndTag() throws JspTagException 
    {
        System.out.println("doEndTag");
        try 
        {  
             if(bodyContent != null)  
             {
                JspWriter out=bodyContent.getEnclosingWriter();
                 bodyContent.writeOut(out);
                
                bodyContent.writeOut(bodyContent.getEnclosingWriter()); 
             }
        } 
        catch(java.io.IOException e)
        {
            throw new JspTagException("IO Error: " + e.getMessage());  
        }   
        return EVAL_PAGE;  
    }

Answer 2

对，是struts框架里的自定义标签里的内置方法! 红色语句和紫色语句表达的意思是一样的: 将当前内容按客户端浏览器默认字符集输出到页面吧!

Answer 3

好像是你设置的颜色值：
[color=#FF0000]
[color=#800080]