0.场景

后端获取小程序用户手机号 ,api文档
https://developers.weixin.qq.com/miniprogram/dev/OpenApiDoc/user-info/phone-number/getPhoneNumber.html

使用hutool工具作为http client

1. 正确的写法

正确示例

   String tencentUrl = StringUtils.format("https://api.weixin.qq.com/wxa/business/getuserphonenumber?access_token={}",access_token);HashMap<String, Object> paramMap = new HashMap<>(1);paramMap.put("code",jsonRes.getStr("code"));String jsonStr =JsonUtils.toJsonString(paramMap);HttpResponse httpResponse = HttpRequest.post(tencentUrl).body(jsonStr).execute();

2. 错误的写法