Java实战指南：获取支付宝个人信息的方法与技巧

import com.alipay.api.AlipayClient;
import com.alipay.api.DefaultAlipayClient;
import com.alipay.api.request.AlipayUserInfoShareRequest;
import com.alipay.api.response.AlipayUserInfoShareResponse;

public class AlipayUserInfoUtil {
    
    // 支付宝开发者ID
    private static final String APP_ID = "your_app_id";
    
    // 支付宝开发者私钥
    private static final String APP_PRIVATE_KEY = "your_app_private_key";
    
    // 支付宝开放平台公钥
    private static final String ALIPAY_PUBLIC_KEY = "alipay_public_key";
    
    // 支付宝网关
    private static final String GATEWAY_URL = "https://openapi.alipay.com/gateway.do";
    
    public static String getUserInfo(String authToken) {
        try {
            // 创建支付宝客户端
            AlipayClient alipayClient = new DefaultAlipayClient(GATEWAY_URL, APP_ID, APP_PRIVATE_KEY, "json", "utf-8", ALIPAY_PUBLIC_KEY);
            
            // 创建请求对象
            AlipayUserInfoShareRequest request = new AlipayUserInfoShareRequest();
            
            // 设置请求参数
            request.setAuth_token(authToken);
            
            // 发送请求并获取响应
            AlipayUserInfoShareResponse response = alipayClient.execute(request);
            
            // 处理响应数据
            if (response.isSuccess()) {
                return response.getBody();
            } else {
                return response.getSubCode() + ": " + response.getSubMsg();
            }
        } catch (Exception e) {
            e.printStackTrace();
            return e.getMessage();
        }
    }
}