Enumeration typestr = request.getHeaderNames();
String s1 = request.getHeader("user-agent");
if(s1.contains("Android")) {
System.out.println("Android访问");
} else if(s1.contains("iPhone")) {
System.out.println("iPhone访问");
} else if(s1.contains("iPad")) {
System.out.println("iPad访问");
} else {
System.out.println("其他访问");
}
String s1 = request.getHeader("user-agent");
if(s1.contains("Android")) {
System.out.println("Android访问");
} else if(s1.contains("iPhone")) {
System.out.println("iPhone访问");
} else if(s1.contains("iPad")) {
System.out.println("iPad访问");
} else {
System.out.println("其他访问");
}