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package cn.wisenergy.service.util;
import com.alibaba.fastjson.JSONArray;
import com.alibaba.fastjson.JSONObject;
import org.apache.http.HttpEntity;
import org.apache.http.HttpResponse;
import org.apache.http.client.HttpClient;
import org.apache.http.client.methods.HttpGet;
import org.apache.http.impl.client.HttpClientBuilder;
import org.apache.http.util.EntityUtils;
import java.util.*;
public class WxUtil {
public static Map<String,Object> getInfoByCode(String code,String appid,String key) {
StringBuilder url = new StringBuilder("https://api.weixin.qq.com/sns/jscode2session?");
url.append("appid=").append(appid);//appid设置
url.append("&secret=").append(key);//secret设置
url.append("&js_code=").append(code);//code设置
url.append("&grant_type=authorization_code");
Map<String, Object> map = null;
try {
HttpClient client = HttpClientBuilder.create().build();//构建一个Client
HttpGet get = new HttpGet(url.toString()); //构建一个GET请求
HttpResponse response = client.execute(get);//提交GET请求
HttpEntity result = response.getEntity();//拿到返回的HttpResponse的"实体"
String content = EntityUtils.toString(result);
JSONObject res = JSONObject.parseObject(content);
map=parseJSON2Map(res);
} catch (Exception e) {
e.printStackTrace();
}
return map;
}
//JSONObject转map
public static Map<String, Object> parseJSON2Map(JSONObject json) {
Map<String, Object> map = new HashMap<>();
// 最外层解析
for (Object k :json.keySet()) {
Object v = json.get(k);
// 如果内层还是数组的话，继续解析
if (v instanceof JSONArray) {
List<Map<String, Object>> list = new ArrayList<>();
for (Object o : (JSONArray) v) {
JSONObject json2 = (JSONObject) o;
list.add(parseJSON2Map(json2));
}
map.put(k.toString(), list);
} else {
map.put(k.toString(), v);
}
}
return map;
}
}