import java.io.IOException;
import java.io.PrintWriter;
import javax.servlet.ServletException;
import javax.servlet.annotation.WebServlet;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
/**
* 检测客户端浏览器类型
*/
@WebServlet(name="BrowerTypeServlet",urlPatterns="/BrowerTypeServlet.do")
public class BrowerTypeServlet extends HttpServlet {
private static final long serialVersionUID = 1L;
/**
* @see HttpServlet#HttpServlet()
*/
public BrowerTypeServlet() {
super();
// TODO Auto-generated constructor stub
}
/**
* @see HttpServlet#doGet(HttpServletRequest request, HttpServletResponse response)
*/
protected void doGet(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
doPost(request, response);
}
/**
* @see HttpServlet#doPost(HttpServletRequest request, HttpServletResponse response)
*/
protected void doPost(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
response.setContentType("text/html");
response.setCharacterEncoding("utf-8");
PrintWriter out = response.getWriter();
String message =null;
//获取请求头user-Agent字段的内容（用于检测客户端浏览器类型）
String userAgent= request.getHeader("user-Agent");
if (userAgent!=null && userAgent.indexOf("MSIE")!=-1) {
message = "客户端浏览器：IE浏览器";
}else if(userAgent!=null && userAgent.indexOf("Chrome")!=-1){
message = "客户端浏览器：谷歌浏览器";
}else {
message = "客户端浏览器：其他浏览器";
}
out.println("<html>");
out.println("<head>");
out.println("<meta charset=\"UTF-8\">");
out.println("<TITLE>S客户端浏览器检测</TITLE>");
out.println("</head>");
out.println("<body>");
out.println("<H1>"+message+"</H1>");
out.println("</body>");
out.println("</html>");
out.close();
}
}
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