com.foxinmy.weixin4j.mp.api.QrApi Maven / Gradle / Ivy
package com.foxinmy.weixin4j.mp.api;
import java.io.IOException;
import com.alibaba.fastjson.JSON;
import com.alibaba.fastjson.TypeReference;
import com.foxinmy.weixin4j.exception.WeixinException;
import com.foxinmy.weixin4j.http.weixin.WeixinResponse;
import com.foxinmy.weixin4j.model.Token;
import com.foxinmy.weixin4j.model.qr.QRParameter;
import com.foxinmy.weixin4j.model.qr.QRResult;
import com.foxinmy.weixin4j.token.TokenManager;
import com.foxinmy.weixin4j.util.IOUtil;
/**
* 二维码相关API
*
* @className QrApi
* @author jinyu([email protected])
* @date 2014年9月25日
* @since JDK 1.6
*/
public class QrApi extends MpApi {
private final TokenManager tokenManager;
public QrApi(TokenManager tokenManager) {
this.tokenManager = tokenManager;
}
/**
* 生成带参数的二维码
*
* @param parameter
* 二维码参数
* @return 二维码结果对象
* @throws WeixinException
* @see com.foxinmy.weixin4j.model.qr.QRResult
* @see com.foxinmy.weixin4j.model.qr.QRParameter
* @see 生成二维码
*/
public QRResult createQR(QRParameter parameter) throws WeixinException {
Token token = tokenManager.getCache();
String qr_uri = getRequestUri("qr_ticket_uri");
WeixinResponse response = weixinExecutor.post(
String.format(qr_uri, token.getAccessToken()),
JSON.toJSONString(parameter));
QRResult result = response.getAsObject(new TypeReference() {
});
qr_uri = String.format(getRequestUri("qr_image_uri"),
result.getTicket());
response = weixinExecutor.get(qr_uri);
result.setShowUrl(qr_uri);
try {
result.setContent(IOUtil.toByteArray(response.getBody()));
} catch (IOException e) {
throw new WeixinException(e);
}
return result;
}
}