一个JSP得问题
String getParam(javax.servlet.http.HttpServletRequest req, String paramName) {
String param = req.getParameter(paramName);
if ( param == null || param.equals("") ) return "";
param = replace(param,"&","&");
param = replace(param,"<","<");
param = replace(param,">",">");
param = replace(param,"<","<");
param = replace(param,">",">");
return param;
}
String sAction = getParam( request, "FormAction");
String sForm = getParam( request, "FormName");
上面函数和那两句话是什么意思啊? 高人指点一下