chenglijuan
74 lines
2.6 KiB
Java
74 lines
2.6 KiB
Java
package com.example.mini_program.service;
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import com.example.mini_program.config.WxMiniAppConfig;
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import com.fasterxml.jackson.annotation.JsonProperty;
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import lombok.Data;
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import org.json.JSONObject;
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import org.slf4j.Logger;
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import org.slf4j.LoggerFactory;
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import org.springframework.stereotype.Service;
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import org.springframework.web.client.RestTemplate;
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@Service
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public class WxLoginService {
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private static final Logger logger = LoggerFactory.getLogger(WxLoginService.class);
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private static final String JSCODE2SESSION_URL =
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"https://api.weixin.qq.com/sns/jscode2session?appid=%s&secret=%s&js_code=%s&grant_type=authorization_code";
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private final WxMiniAppConfig wxMiniAppConfig;
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private final RestTemplate restTemplate;
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public WxLoginService(WxMiniAppConfig wxMiniAppConfig, RestTemplate restTemplate) {
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this.wxMiniAppConfig = wxMiniAppConfig;
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this.restTemplate = restTemplate;
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}
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/**
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* 调用微信接口用code换取openid
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*/
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public WxLoginResult code2Session(String code) {
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String url = String.format(JSCODE2SESSION_URL,
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wxMiniAppConfig.getAppid(),
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wxMiniAppConfig.getSecret(),
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code);
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logger.info("调用微信jscode2session接口, code: {}", code);
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try {
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String response = restTemplate.getForObject(url, String.class);
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logger.info("微信返回原始结果: {}", response);
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JSONObject json = new JSONObject(response);
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WxLoginResult result = new WxLoginResult();
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result.setOpenid(json.optString("openid"));
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result.setSessionKey(json.optString("session_key"));
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result.setUnionid(json.optString("unionid"));
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result.setErrcode(json.optString("errcode"));
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result.setErrmsg(json.optString("errmsg"));
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logger.info("解析后结果: openid={}, unionid={}, errcode={}",
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result.getOpenid(), result.getUnionid(), result.getErrcode());
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return result;
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} catch (Exception e) {
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logger.error("调用微信接口失败", e);
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WxLoginResult errorResult = new WxLoginResult();
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errorResult.setErrcode("-1");
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errorResult.setErrmsg("系统错误: " + e.getMessage());
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return errorResult;
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}
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}
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@Data
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public static class WxLoginResult {
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@JsonProperty("session_key")
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private String sessionKey;
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private String unionid;
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private String openid;
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private String errcode;
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private String errmsg;
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}
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}
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