说明：  论坛系统，注册，发帖，帖子功能较齐全，可以添加表情、使用HTML代码、改变字体大小、字样、颜色、加粗、倾斜、下划线，可选择文本对其格式，可加入超链接，还可上传附件下载附件。
(Forum system, registration, posting, posting a more complete functionality, you can add facial expressions, the use of HTML code, change the font size, words, colors, bold, tilt, underscore the option of text on their format, can be added to the hyperlink, can also download the attachment to annex upload.)