头部 <!DOCTYPE> 标签有以下几种:
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd">
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" " http://www.w3.org/TR/html4/loose.dtd">
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Frameset//EN" " http://www.w3.org/TR/html4/frameset.dtd">
如果没有特殊需求,就是用以下<!DOCTYPE>标签
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<meta>信息:
<meta http-equiv="Content-Type" content="text/html; charset=utf-8" /> 推荐使用UTF-8支持范围更广。
<meta http-equiv="Content-Type" content="text/html; charset=gbk" />
<meta http-equiv="Content-Type" content="text/html; charset=gb2312" />