jsp中的a标签的href传递中文参数乱码，请求解决？

Question

传递参数的jsp
out.print("<td><a href='admin_approvallink.jsp?id="+rs1.getInt(1)+"&booknumber="+rs1.getInt(4)+
        "&bookname="+rs1.getString(3)+"&bookid="+rs1.getString(2)+"&number="+number+"'>通过</a></td>");

获取参数的jsp
String bookname = request.getParameter("bookname");

System.out.println(bookname);