第一种， Javascript
var deviceAgent = navigator.userAgent.toLowerCase(); var agentID = deviceAgent.match(/(iphone|ipod|ipad|android)/); if(agentID.indexOf("iphone")>=0){ alert("iphone"); } if(agentID.indexOf("ipod")>=0){ alert("ipod"); } if(agentID.indexOf("ipad")>=0){ alert("ipad"); } if(agentID.indexOf("android")>=0){ alert("android"); }<!DOCTYPE html><html><head><meta name="viewport" content="initial-scale=1.0, user-scalable=no" /><meta http-equiv="Content-Type" content="text/html; charset=UTF-8"><style type="text/css"> html { height: 100% } body { height: 100%; margin: 0px; padding: 0px }</style><script type="text/javascript"> function initialize() { var useragent = navigator.userAgent; if (useragent.indexOf('iPhone') != -1) { alert("iPhone"); } else if(useragent.indexOf('iPad') != -1 ) { alert("iPad"); } else if(useragent.indexOf('Android') != -1 ) { alert("Android"); } else { alert("其他平台"); } }</script></head><body onload="initialize()"></body></html>第二种 Java：
Enumeration typestr = request.getHeaderNames(); String s1 = request.getHeader("user-agent"); if(s1.contains("Android")) { System.out.println("Android移动客户端"); } else if(s1.contains("iPhone")) { System.out.println("iPhone移动客户端"); } else if(s1.contains("iPad")) { System.out.println("iPad客户端"); } else { System.out.println("其他客户端"); }整个页面 index.jsp:
<%@ page language="java" import="java.util.*" contentType="text/html; charset=UTF-8" pageEncoding="UTF-8"%><!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd"><html><head><link rel="shortcut icon" href="favicon.ico"><meta http-equiv="Content-Type" content="text/html; charset=UTF-8"><title>Insert title here</title></head><body> <% Enumeration typestr = request.getHeaderNames(); String s1 = request.getHeader("user-agent"); if(s1.contains("Android")) { System.out.println("Android移动客户端"); } else if(s1.contains("iPhone")) { System.out.println("iPhone移动客户端"); } else if(s1.contains("iPad")) { System.out.println("iPad客户端"); } else { System.out.println("其他客户端"); } %></body></html>这两种方法测试下来，一般情况下可以满足需要，遇到像UC浏览器这些第三方浏览器，可能就不准了！