Jsp tag file例子以及说明(13)

    //  easy:invokeDemo 
    org.apache.jsp.tag.web.invokeDemo_tag _jspx_th_easy_005finvokeDemo_005f0 = (new org.apache.jsp.tag.web.invokeDemo_tag()); 
    _jsp_instancemanager.newInstance(_jspx_th_easy_005finvokeDemo_005f0); 
    _jspx_th_easy_005finvokeDemo_005f0.setJspContext(_jspx_page_context); 
    javax.servlet.jsp.tagext.JspFragment _jspx_temp0 = new Helper( 0, _jspx_page_context, _jspx_th_easy_005finvokeDemo_005f0, null);// 构造JspFragment类，设置到tag类中，供tag类invoke回调 
    // /invokeTest.jsp(7,0) null 
    _jspx_th_easy_005finvokeDemo_005f0.setProductDetails(_jspx_temp0); 
    _jspx_th_easy_005finvokeDemo_005f0.doTag(); 
    _jsp_instancemanager.destroyInstance(_jspx_th_easy_005finvokeDemo_005f0); 
    out.write("\r\n"); 
    out.write("</body>\r\n"); 
    out.write("</html>"); 
  } catch (java.lang.Throwable t) { 
    if (!(t instanceof javax.servlet.jsp.SkipPageException)){ 
      out = _jspx_out; 
      if (out != null && out.getBufferSize() != 0) 
        try { out.clearBuffer(); } catch (java.io.IOException e) {} 
      if (_jspx_page_context != null) _jspx_page_context.handlePageException(t); 
    } 
  } finally { 
    _jspxFactory.releasePageContext(_jspx_page_context); 
  } 
} 
 
//在jsp类中定义JspFragment类 
private class Helper 
    extends org.apache.jasper.runtime.JspFragmentHelper 
{ 
  private javax.servlet.jsp.tagext.JspTag _jspx_parent; 
  private int[] _jspx_push_body_count; 
 
  public Helper( int discriminator, javax.servlet.jsp.JspContext jspContext, javax.servlet.jsp.tagext.JspTag _jspx_parent, int[] _jspx_push_body_count ) { 
    super( discriminator, jspContext, _jspx_parent ); 
    this._jspx_parent = _jspx_parent; 
    this._jspx_push_body_count = _jspx_push_body_count; 
  } 
  public void invoke0( javax.servlet.jsp.JspWriter out )  
    throws java.lang.Throwable 
  { 
    out.write("<table width=\"220\" border=\"1\">\r\n"); 
    out.write("    <tr>\r\n"); 
    out.write("      <td><b>Product Name</b></td>\r\n");