这是我使用的 servlet 解决方案。只需稍加调整，您就可以使用简单的用户名-密码形式使其在任何 JSP 中工作。不需要javascript！！！
至于地址和电话号码，请阅读以下内容：
http://developers.facebook.com/blog/post/447
FBAuthServlet
public class FBAuthServlet extends HttpServlet {
private static final Logger log = Logger.getLogger(FBAuthServlet.class);
private static final long serialVersionUID = 1L;
private UserService userService = //here goes your user service implementation
public FBAuthServlet() {
super();
}
public void destroy() {
super.destroy(); // Just puts "destroy" string in log
// Put your code here
}
public void doGet(HttpServletRequest request, HttpServletResponse response)
throws ServletException, IOException {
HttpServletRequest req = (HttpServletRequest) request;
HttpServletResponse res = (HttpServletResponse) response;
if ("y".equals(request.getParameter("FacebookLogin"))) {
response.sendRedirect(FaceBookConfig.getLoginRedirectURL());
return;
}
String code = req.getParameter("code");
if (StringUtil.isNotBlankStr(code)) {
String authURL = FaceBookConfig.getAuthURL(code);
URL url = new URL(authURL);
try {
String result = readURL(url);
String accessToken = null;
Integer expires = null;
String[] pairs = result.split("&");
for (String pair : pairs) {
String[] kv = pair.split("=");
if (kv.length != 2) {
res.sendRedirect(FaceBookConfig.MAINURL);
} else {
if (kv[0].equals("access_token")) {
accessToken = kv[1];
}
if (kv[0].equals("expires")) {
expires = Integer.valueOf(kv[1]);
}
}
}
if (accessToken != null && expires != null) {
User user = authFacebookLogin(accessToken, request.getRemoteAddr());
if (user != null && user.getFacebookId() != null) {
//forward to spring security filter chain
res.sendRedirect(FaceBookConfig.MAINURL + "/j_spring_security_check?j_username=" + user.getEmail() + "&FaceBookId=" + user.getFacebookId());
} else if (user != null && StringUtil.isNullOrBlank(user.getFacebookId())) {
res.sendRedirect(FaceBookConfig.MAINURL + "/login.html?login_error=You are not Registered By Facebook Connect");
} else {
res.sendRedirect(FaceBookConfig.MAINURL);
}
}
} catch (Exception e) {
e.printStackTrace();
res.sendRedirect(FaceBookConfig.MAINURL);
}
}
}
public void doPost(HttpServletRequest request, HttpServletResponse response)
throws ServletException, IOException {
doGet(request, response);
}
public void init() throws ServletException {
}
private String readURL(URL url) throws IOException {
ByteArrayOutputStream baos = new ByteArrayOutputStream();
InputStream is = url.openStream();
int r;
while ((r = is.read()) != -1) {
baos.write(r);
}
return new String(baos.toByteArray());
}
private User authFacebookLogin(String accessToken, String ip) {
try {
String content = IOUtil.urlToString(new URL("https://graph.facebook.com/me?access_token=" + accessToken));
JSONObject resp = new JSONObject(content);
String facebookid = resp.getString("id");
String firstName = resp.getString("first_name");
String lastName = resp.getString("last_name");
String email = resp.getString("email");
log.info("Facebook response: " + content);
CreateUserRequestCommand comm = new CreateUserRequestCommand();
comm.setEmail(email);
comm.setFacebookId(facebookid);
comm.setFirst(StringAndDateUtils.safeChar(firstName));
comm.setLast(StringAndDateUtils.safeChar(lastName));
//if success login
if (userService.getUserByEmail(email) == null) {
//if first time login
User u = userService.createUser(comm, ip);
return u;
} else {//if existed
User existedUser = userService.getUserByEmail(email);
return existedUser;
}
} catch (Throwable ex) {
ex.printStackTrace();
}
return null;
}
}
FBEnableServlet
public class FBEnableServlet extends HttpServlet {
private static final long serialVersionUID = 1L;
private UserService userService = (UserService) ServiceLocator.getContext().getBean("userService");
public FBEnableServlet() {
super();
}
public void destroy() {
super.destroy(); // Just puts "destroy" string in log
// Put your code here
}
public void doGet(HttpServletRequest request, HttpServletResponse response)
throws ServletException, IOException {
HttpServletRequest req = (HttpServletRequest) request;
HttpServletResponse res = (HttpServletResponse) response;
if ("y".equals(request.getParameter("EnableFacebookConnect"))) {
response.sendRedirect(FaceBookConfig.getEnableRedirectURL());
return;
}
String code = req.getParameter("code");
if (StringUtil.isNotBlankStr(code)) {
String authURL = FaceBookConfig.getEnableAuthURL(code);
URL url = new URL(authURL);
try {
String result = readURL(url);
String accessToken = null;
Integer expires = null;
String[] pairs = result.split("&");
for (String pair : pairs) {
String[] kv = pair.split("=");
if (kv.length != 2) {
res.sendRedirect(FaceBookConfig.MAINURL);
} else {
if (kv[0].equals("access_token")) {
accessToken = kv[1];
}
if (kv[0].equals("expires")) {
expires = Integer.valueOf(kv[1]);
}
}
}
if (accessToken != null && expires != null) {
User user = authFacebookLogin(accessToken, request.getRemoteAddr());
String loginedEmail = "";
try {
loginedEmail = SecurityContextHolder.getContext().getAuthentication().getName();
} catch (Exception ex) {
}
System.out.println("Logined email = " + loginedEmail);
System.out.println("Facebook Login email = " + user.getEmail());
if (user != null && user.getFacebookId() != null && user.getEmail().equals(loginedEmail)) {
userService.setFaceBookid(user.getFacebookId());
//forward to spring security filter chain
res.sendRedirect(FaceBookConfig.MAINURL + "/j_spring_security_check?j_username=" + user.getEmail() + "&FaceBookId=" + user.getFacebookId());
} else {
res.sendRedirect(FaceBookConfig.MAINURL + "/secure/myAccount.html?message=Please login Facebook with same Email,you Login with " + user.getEmail());
}
}
} catch (Exception e) {
e.printStackTrace();
res.sendRedirect(FaceBookConfig.MAINURL);
}
}
}
public void doPost(HttpServletRequest request, HttpServletResponse response)
throws ServletException, IOException {
doGet(request, response);
}
public void init() throws ServletException {
}
private String readURL(URL url) throws IOException {
ByteArrayOutputStream baos = new ByteArrayOutputStream();
InputStream is = url.openStream();
int r;
while ((r = is.read()) != -1) {
baos.write(r);
}
return new String(baos.toByteArray());
}
private User authFacebookLogin(String accessToken, String ip) {
try {
String content = IOUtil.urlToString(new URL("https://graph.facebook.com/me?access_token=" + accessToken));
JSONObject resp = new JSONObject(content);
String facebookid = resp.getString("id");
String email = resp.getString("email");
User existedUser = userService.getUserByEmail(email);
if (existedUser == null) {
return null;
} else {
existedUser.setFacebookId(facebookid);
return existedUser;
}
} catch (Throwable ex) {
ex.printStackTrace();
}
return null;
}
}