java对接微信登录
授权登录（授权登录在用户访问时会提示用户登录才可以获取到用户openid）
1.获取Code
2.获取用户信息
1.获取code
3.工具类
public class AuthUtil {
public static final String APPID="你的appid";
public static final String APPSECRET="你的APPSECRET";
public static JSONObject doGetJson(String url) throws IOException {
JSONObject jsonObject=null;
DefaultHttpClient defaultHttpClient=new DefaultHttpClient();
HttpGet httpGet=new HttpGet(url);
HttpResponse httpResponse = defaultHttpClient.execute(httpGet);
HttpEntity httpEntity=httpResponse.getEntity();
if(httpEntity!=null){
String result= EntityUtils.toString(httpEntity,"UTF-8");
jsonObject=new JSONObject(result);
System.out.println("jsonObject: "+jsonObject);
}
httpGet.releaseConnection();
return jsonObject;
}
