public class URLEncodeUtil {

private final static String ENCODE = "UTF-8";

/**

* URL 解码

*/

public static String getURLDecoderString(String str) {

String result = "";

if (null == str) {

return "";

}

try {

result = java.net.URLDecoder.decode(str, ENCODE);

} catch (UnsupportedEncodingException e) {

e.printStackTrace();

}

return result;

}

/**

* URL 转码

*/

public static String getURLEncoderString(String str) {

String result = "";

if (null == str) {

return "";

}

try {

result = java.net.URLEncoder.encode(str, ENCODE);

} catch (UnsupportedEncodingException e) {

e.printStackTrace();

}

return result;

}

}

2.QQ配置信息

public class QqConfig {

@Value("${qq.appId}")

private String qqAppId;

@Value("${qq.appSecret}")

private String qqAppSecret;

@Value("${qq.redirectUrl}")

private String qqRedirectUrl;

}

3.获取code,token,openId

public class QqConnectServiceImpl implements QqConnectService {

/**

* QQ ：读取Appid相关配置信息静态类

*/

@Autowired

private QqConfig qqConfig;

@Override

public String getCode(String state) throws Exception {

// 拼接url

StringBuilder url = new StringBuilder();

url.append("https://graph.qq.com/oauth2.0/authorize?");

url.append("response_type=code");

url.append("&client_id=" + qqConfig.getQqAppId());

// 回调地址 ,回调地址要进行Encode转码

String redirect_uri = qqConfig.getQqRedirectUrl();

// 转码

url.append("&redirect_uri=" + URLEncodeUtil.getURLEncoderString(redirect_uri));

url.append("&state="+URLEncodeUtil.getURLEncoderString(state));

System.out.println(url.toString());

//HttpClientUtils.get(url.toString(), "UTF-8");

return url.toString();

}

/**

* 开始登录

* @param code

* @return

* @throws Exception

*/

@Override

public QQUserVO qqLogin(String code) throws Exception {

if (code != null) {

System.out.println(code);

}

//获取tocket

Map qqProperties = getToken(code);

//获取openId(每个用户的openId都是唯一不变的)

QQUserVO openId = getOpenId(qqProperties);

qqProperties.put("openId",openId.getOpenid());

//获取数据

QQUserVO userInfo = getQqUserInfo(qqProperties);

userInfo.setOpenid(openId.getOpenid());

userInfo.setUnionid(openId.getUnionid());

return userInfo;

}

/**

* 获得token信息(授权，每个用户的都不一致) --> 获得token信息该步骤返回的token期限为一个月

*/

private Map getToken(String code) throws Exception {

StringBuilder url = new StringBuilder();

url.append("https://graph.qq.com/oauth2.0/token?");

url.append("grant_type=authorization_code");

url.append("&client_id=" + qqConfig.getQqAppId());

url.append("&client_secret=" + qqConfig.getQqAppSecret());

url.append("&code=" + code);

// 回调地址

String redirect_uri = qqConfig.getQqRedirectUrl();

// 转码

url.append("&redirect_uri=" + URLEncodeUtil.getURLEncoderString(redirect_uri));

// 获得token

String result = HttpClientUtils.get(url.toString(), "UTF-8");

log.info("result___________"+result);

// 把token保存

String[] items = StringUtils.splitByWholeSeparatorPreserveAllTokens(result, "&");

String accessToken = StringUtils.substringAfterLast(items[0], "=");

Long expiresIn = new Long(StringUtils.substringAfterLast(items[1], "="));

String refreshToken = StringUtils.substringAfterLast(items[2], "=");

//token信息

Map qqProperties = new HashMap();

qqProperties.put("accessToken", accessToken);

qqProperties.put("expiresIn", String.valueOf(expiresIn));

qqProperties.put("refreshToken", refreshToken);

return qqProperties;

}

/**

* 获取用户openId(根据token)

*

// * @param 把openId存到map中

* @return

* @throws Exception

*/

private QQUserVO getOpenId(Map qqProperties) throws Exception {

// 获取保存的用户的token

String accessToken = (String) qqProperties.get("accessToken");

if (!StringUtils.isNotEmpty(accessToken)) {

// return "未授权";

}

StringBuilder url = new StringBuilder("https://graph.qq.com/oauth2.0/me?");

url.append("access_token=" + accessToken);

url.append("&unionid=1" );

String result = HttpClientUtils.get(url.toString(), "UTF-8");

log.info("result___________"+result);

String openId = StringUtils.substringBetween(result, "\"openid\":\"", "\",\"unionid\"");

String unionid = StringUtils.substringBetween(result, "\"unionid\":\"", "\"}");

QQUserVO qqUserVO = new QQUserVO();

qqUserVO.setOpenid(openId);

qqUserVO.setUnionid(unionid);

return qqUserVO;

}

/**

* 根据token,openId获取用户信息

*/

private QQUserVO getQqUserInfo(Map qqProperties) throws Exception {

// 取token

String accessToken = (String) qqProperties.get("accessToken");

String openId = (String) qqProperties.get("openId");

if (!StringUtils.isNotEmpty(accessToken) || !StringUtils.isNotEmpty(openId)) {

return null;

}

//拼接url

StringBuilder url = new StringBuilder("https://graph.qq.com/user/get_user_info?");

url.append("access_token=" + accessToken);

url.append("&oauth_consumer_key=" + qqConfig.getQqAppId());

url.append("&openid=" + openId);

// 获取qq相关数据

String result = HttpClientUtils.get(url.toString(), "UTF-8");

log.info("result___________"+result);

Object json = JSON.parseObject(result, QQUserVO.class);

QQUserVO qqUserVO = (QQUserVO) json;

return qqUserVO;

}