strSql="insert into liuyan (Writname,content,Username) values('"+Writname+"','"+content+"','"+person+"')";
System.out.println("333"+content);
request.getRequestDispatcher("/deal.jsp").forward(request,response);
System.out.println("@@@@@@@"+Writname);
System.out.println("333"+content);
request.getRequestDispatcher("/deal.jsp").forward(request,response);
System.out.println("@@@@@@@"+Writname);
把这个strSql打印出来用mysql客户端工具直接插,如果插不进,那说明是你数据的问题
strSql="insert into liuyan (Writname,content,Username) values("+Writname+"+","+"+content+"+","+"+person+")";