本文主要是介绍用户openid获取，希望对大家解决编程问题提供一定的参考价值，需要的开发者们随着小编来一起学习吧！
JAVA获取用户openid
下面展示一些 内联代码片。
@ApiOperation("获取微信小程序的openid")@RequestMapping(value="/openid" ,method= RequestMethod.GET )public Result<?> getOpenid(@RequestParam(name = "code") String code,//机器码@RequestParam(name = "appid") String appid,@RequestParam(name = "secret") String secret) {String params = "appid=" + appid + "&secret=" + secret + "&code=" + code + "&grant_type=authorization_code";String url = "https://api.weixin.qq.com/sns/oauth2/access_token" ;//发送请求String sr = HttpRequest.sendGet(url, params);//解析相应内容（转换成json对象）JSONObject json = JSONObject.parseObject(sr);//获取 refresh_token 进行获取openidString refresh_token = json.getString("refresh_token");String params2 = "appid=" + appid +"&grant_type=refresh_token&refresh_token="+refresh_token;String url2 = "https://api.weixin.qq.com/sns/oauth2/refresh_token";String sr2 = HttpRequest.sendGet(url2, params2);JSONObject json2 = JSONObject.parseObject(sr2);//用户的唯一标识（openid）String openid = (String) json2.get("openid");return Result.ok(openid);}
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