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mutils组件中,提供微信jsapi(公众号)+微信支付模块。
官方文档：https://pay.weixin.qq.com/wiki/doc/api/jsapi.php?chapter=7_1
package cn.minsin.wechat.jsapi;
import cn.minsin.core.constant.CharSetConstant;
import cn.minsin.core.exception.MutilsErrorException;
import cn.minsin.core.init.AbstractConfig;
import cn.minsin.core.tools.HttpClientUtil;
import cn.minsin.core.tools.IOUtil;
import cn.minsin.wechat.jsapi.config.MutilsWechatJsapiProperties;
import cn.minsin.wechat.jsapi.model.JsapiOrderPayModel;
import cn.minsin.wechat.jsapi.model.JsapiRefundModel;
import cn.minsin.wechat.wechatpay.core.WeChatPayFunctions;
import cn.minsin.wechat.wechatpay.core.model.AccessTokenModel;
import cn.minsin.wechat.wechatpay.core.model.RefundReturnModel;
import cn.minsin.wechat.wechatpay.core.util.Sha1Util;
import com.alibaba.fastjson.JSON;
import com.alibaba.fastjson.JSONObject;
import org.apache.http.ParseException;
import org.apache.http.client.ClientProtocolException;
import org.apache.http.client.methods.CloseableHttpResponse;
import org.apache.http.client.methods.HttpGet;
import org.apache.http.impl.client.CloseableHttpClient;
import org.apache.http.util.EntityUtils;
import org.jdom.JDOMException;
import java.io.IOException;
import java.util.Map;
import java.util.SortedMap;
import java.util.TreeMap;
/**
* jsapi相关功能
*
* @author mintonzhang
* @date 2019年1月10日
*/
public class WechatJsapiFunctions extends WeChatPayFunctions {
private static final MutilsWechatJsapiProperties properties;
static {
properties = AbstractConfig.loadConfig(MutilsWechatJsapiProperties.class);
checkProperties(properties, MutilsWechatJsapiProperties.class);
}
/**
* 发起退款申请
*
* @param model
* @throws MutilsErrorException
* @throws IOException
* @throws JDOMException
* @throws ClientProtocolException
*/
public static RefundReturnModel createJsapiRefundParamter(JsapiRefundModel model)
throws MutilsErrorException, ClientProtocolException, JDOMException, IOException {
return createRefundRequest(model);
}
/**
* 生成微信JS相关初始化config配置
*
* @param url 当前网页地址
* @param debug 是否开启调试
* @param 要使用的功能 默认 "openLocation", "getLocation", "chooseWXPay"
* @throws IOException
* @throws ClientProtocolException
*/
public static Map createInitJSConfig(String url, boolean debug, String... functions) throws ClientProtocolException, IOException {
if (functions == null || functions.length == 0) {
functions = new String[]{"openLocation", "getLocation", "chooseWXPay"};
}
String jsapi_ticket = getAccessToken().getJsapi_ticket();
// 10位序列号,可以自行调整。
String nonce_str = String.valueOf(System.currentTimeMillis());
Long timestamp = System.currentTimeMillis() / 1000;
SortedMap packageParams = new TreeMap<>();
packageParams.put("noncestr", nonce_str);
packageParams.put("timestamp", timestamp.toString());
packageParams.put("jsapi_ticket", jsapi_ticket);
packageParams.put("url", url);
String sign = Sha1Util.createSHA1Sign(packageParams);
SortedMap returnMap = new TreeMap<>();
returnMap.put("appId", properties.getAppid());
returnMap.put("nonceStr", nonce_str);
returnMap.put("timestamp", timestamp);
returnMap.put("signature", sign);
returnMap.put("jsApiList", functions);
returnMap.put("debug", debug);
return returnMap;
}
/**
* jsapi获取AccessToken用于实现登录
*
* @throws IOException
* @throws ClientProtocolException
*/
public static AccessTokenModel getAccessToken() throws ClientProtocolException, IOException {
CloseableHttpClient instance = HttpClientUtil.getInstance();
CloseableHttpResponse response = null;
try {
String accessTokenUrl = properties.getAccessTokenUrl();
String jsapiTicketUrl = properties.getJsapiTicketUrl();
String appid = properties.getAppid();
String appSecret = properties.getAppSecret();
String requestUrl = accessTokenUrl.replace("APPID", appid).replace("APPSECRET", appSecret);
HttpGet getMethod = HttpClientUtil.getGetMethod(requestUrl);
response = instance.execute(getMethod);
String string = EntityUtils.toString(response.getEntity(), CharSetConstant.UTF_8);
getMethod.releaseConnection();
JSONObject jsonObject = JSON.parseObject(string);
String access_token = jsonObject.get("access_token").toString();
String jsapi_ticketurl = jsapiTicketUrl.replace("ACCESS_TOKEN", access_token);
getMethod = HttpClientUtil.getGetMethod(jsapi_ticketurl);
string = EntityUtils.toString(response.getEntity(), CharSetConstant.UTF_8);
getMethod.releaseConnection();
jsonObject = JSON.parseObject(string);
String jsapi_ticke = jsonObject.get("ticket").toString();
AccessTokenModel accessToken = new AccessTokenModel();
accessToken.setAccess_token(access_token);
accessToken.setExpires_in(7200);
accessToken.setExpires_time(System.currentTimeMillis() / 1000);
accessToken.setJsapi_ticket(jsapi_ticke);
return accessToken;
} finally {
IOUtil.close(instance, response);
}
}
/**
* 创建公众号支付的请求参数 小程序将用其发起微信支付
*
* @param model 下单时的包装对象
* 公众号能发起的请求的包装内容
* @throws JDOMException
* @throws IOException
* @throws ParseException
*/
public static Map createJsapiPayParamter(JsapiOrderPayModel model) throws ParseException, IOException, MutilsErrorException, JDOMException {
Map doXMLParse = createUnifiedOrder(model);
checkMap(doXMLParse);
SortedMap sortMap = new TreeMap<>();
String appId = doXMLParse.get("appid");
sortMap.put("appId", appId);
sortMap.put("nonceStr", doXMLParse.get("nonce_str"));
sortMap.put("package", "prepay_id=" + doXMLParse.get("prepay_id"));
sortMap.put("signType", "MD5");
sortMap.put("timeStamp", System.currentTimeMillis() / 1000 + "");
sortMap.put("paySign", createSign(sortMap));
sortMap.put("prepay_id", doXMLParse.get("prepay_id"));
return sortMap;
}
}