可能是最简单的Android接入支付宝登录的笔记

2017-12-20 本文已影响0人普通的程序员
需要导入的包
import com.alipay.sdk.app.AuthTask;

/**
     * alipay登录要经过三步
     * <p>1.通过拿App初始化配置接口缓存里面拼接好的alipay_sdk_auth_info</p>
     * <p>2.通过authInfo去调alipaySDK的authV2获取authResult</p>
     * <p>3.通过authResult的auth_code去服务器拿用户信息</p>
     */
    private void loginByAli() {
        AppConfigModel model = ApplicationCache.getAppConfigModel();
        if (model == null) {
            ToastUtil.warn(UserLoginActivity.this, "支付宝sdk未初始化完成，请稍后再试");
            return;
        }
        getAuthResultFromAuthInfo(model.getAlipay_sdk_auth_info());
    }

    private void getAuthResultFromAuthInfo(String alipay_sdk_auth_info) {
        Runnable authRunnable = new Runnable() {
            @Override
            public void run() {
                // 构造AuthTask 对象
                AuthTask authTask = new AuthTask(UserLoginActivity.this);
                // 调用授权接口，获取授权结果
                Map<String, String> result = authTask.authV2(alipay_sdk_auth_info, true);
                Message msg = new Message();
                msg.what = FLAG_ALIPAY_LOGIN;
                msg.obj = result;
                getHandler().sendMessage(msg);
            }
        };

        // 必须异步调用
        Thread authThread = new Thread(authRunnable);
        authThread.start();
    }


 @Override
    public void handleMessage(Message msg) {
        super.handleMessage(msg);
        switch (msg.what) {
            case FLAG_ALIPAY_LOGIN:
                @SuppressWarnings("unchecked")
                AuthResult authResult = new AuthResult((Map<String, String>) msg.obj, true);
                String resultStatus = authResult.getResultStatus();
                // 判断resultStatus 为“9000”且result_code为“200”则代表授权成功，
                if (TextUtils.equals(resultStatus, "9000") && TextUtils.equals(authResult.getResultCode(), "200")) {
                    // 获取alipay_open_id，调支付时作为参数extern_token 的value传入，则支付账户为该授权账户，这个支付先不做
                    thirdLogin(authResult.getAuthCode());//开发者自己的方法，把code传给后台同事，他们拿code换token
                } else {
                    if (TextUtils.isEmpty(authResult.getAuthCode())) {
                        ToastUtil.warn(this, "授权取消");
                    } else
                        ToastUtil.error(this, String.format("授权失败_authCode:%s", authResult.getAuthCode()));
                }
                break;
            default:
                break;
        }
    }




支付宝的授权模型



public class AuthResult {

    private String resultStatus;
    private String result;
    private String memo;
    private String resultCode;
    private String authCode;
    private String alipayOpenId;

    public AuthResult(Map<String, String> rawResult, boolean removeBrackets) {
        if (rawResult == null) {
            return;
        }

        for (String key : rawResult.keySet()) {
            if (TextUtils.equals(key, "resultStatus")) {
                resultStatus = rawResult.get(key);
            } else if (TextUtils.equals(key, "result")) {
                result = rawResult.get(key);
            } else if (TextUtils.equals(key, "memo")) {
                memo = rawResult.get(key);
            }
        }

        String[] resultValue = result.split("&");
        for (String value : resultValue) {
            if (value.startsWith("alipay_open_id")) {
                alipayOpenId = removeBrackets(getValue("alipay_open_id=", value), removeBrackets);
                continue;
            }
            if (value.startsWith("auth_code")) {
                authCode = removeBrackets(getValue("auth_code=", value), removeBrackets);
                continue;
            }
            if (value.startsWith("result_code")) {
                resultCode = removeBrackets(getValue("result_code=", value), removeBrackets);
                continue;
            }
        }

    }

    private String removeBrackets(String str, boolean remove) {
        if (remove) {
            if (!TextUtils.isEmpty(str)) {
                if (str.startsWith("\"")) {
                    str = str.replaceFirst("\"", "");
                }
                if (str.endsWith("\"")) {
                    str = str.substring(0, str.length() - 1);
                }
            }
        }
        return str;
    }

    @Override
    public String toString() {
        return "resultStatus={" + resultStatus + "};memo={" + memo + "};result={" + result + "}";
    }

    private String getValue(String header, String data) {
        return data.substring(header.length(), data.length());
    }

    /**
     * @return the resultStatus
     */
    public String getResultStatus() {
        return resultStatus;
    }

    /**
     * @return the memo
     */
    public String getMemo() {
        return memo;
    }

    /**
     * @return the result
     */
    public String getResult() {
        return result;
    }

    /**
     * @return the resultCode
     */
    public String getResultCode() {
        return resultCode;
    }

    /**
     * @return the authCode
     */
    public String getAuthCode() {
        return authCode;
    }

    /**
     * @return the alipayOpenId
     */
    public String getAlipayOpenId() {
        return alipayOpenId;
    }
}
可能是最简单的Android接入支付宝登录的笔记

目录

以下伴随轻微吐槽，完成无吐槽笔记再最后

以下是无吐槽完整接入Android支付宝登录步骤

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