本文實例為大家分享了java實現微信掃碼支付的具體代碼，供大家參考，具體內容如下
1、maven項目的pom.xml中添加如下jar包：
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<dependency> <groupid>com.github.wxpay</groupid> <artifactid>wxpay-sdk</artifactid> <version>0.0.3</version></dependency> |
2、編寫wewxconfig類：
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package com.xx.wxpay; import com.github.wxpay.sdk.wxpayconfig;import org.springframework.beans.factory.annotation.value;import org.springframework.stereotype.component; import java.io.inputstream; /** * 描述：微信支付配置信息 * * @author ssl * @create 2018/04/24 19:25 */@componentpublic class wewxconfig implements wxpayconfig { @value("${wechat.public.appid}") private string appid; @value("${wechat.merchant}") private string mchid; @value("${wechat.public.apikey}") private string apikey; /** * 公眾賬號id:微信支付分配的公眾賬號id（企業號corpid即為此appid） * * @return */ @override public string getappid() { return appid; } /** * 商戶號:微信支付分配的商戶號 * * @return */ @override public string getmchid() { return mchid; } /** * @return */ @override public string getkey() { return apikey; } @override public inputstream getcertstream() { return null; } @override public int gethttpconnecttimeoutms() { return 0; } @override public int gethttpreadtimeoutms() { return 0; }} |
3、編寫wewxpayservice：
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package com.xx.wxpay; import com.alibaba.fastjson.jsonobject;import com.github.wxpay.sdk.wxpay;import com.google.common.collect.maps;import com.xx.model.order;import com.xx.model.product;import org.slf4j.logger;import org.slf4j.loggerfactory;import org.springframework.beans.factory.annotation.autowired;import org.springframework.beans.factory.annotation.value;import org.springframework.stereotype.component;import org.springframework.stereotype.service; import java.text.messageformat;import java.util.hashmap;import java.util.map; /** * 描述： * * @author ssl * @create 2018/04/24 20:15 */@servicepublic class wewxpayservice { protected logger logger = loggerfactory.getlogger(this.getclass()); @value("${project.url}") private string projecturl; @autowired private wewxconfig wewxconfig; /** * 統一下單 * * @param product * @param order * @return */ public map<string, string> unifiedorder(product product, order order) { map<string, string> data = maps.newhashmap(); wxpay wxpay = new wxpay(wewxconfig); data.put("body", "xx-" + product.getname()); data.put("detail", "詳細信息"); data.put("out_trade_no", order.getorderno()); data.put("device_info", "web"); data.put("fee_type", "cny"); data.put("total_fee", order.getamount() + ""); data.put("spbill_create_ip", "127.0.0.1"); data.put("notify_url", projecturl + "/base/order/notifyurl"); data.put("trade_type", "native"); // 此處指定為掃碼支付 data.put("product_id", product.getid() + ""); try { map<string, string> resp = wxpay.unifiedorder(data); logger.debug(jsonobject.tojsonstring(resp)); return resp; } catch (exception e) { e.printstacktrace(); } return null; } /** * 訂單查詢 * * @param orderno:訂單號 * @return */ public map<string, string> orderquery(string orderno) { map<string, string> reqdata = maps.newhashmap(); reqdata.put("out_trade_no", orderno); wxpay wxpay = new wxpay(wewxconfig); try { map<string, string> resp = wxpay.orderquery(reqdata); logger.debug(jsonobject.tojsonstring(resp)); return resp; } catch (exception e) { e.printstacktrace(); } return null; } public static string geturl() { wxpay wxpay = new wxpay(new wewxconfig()); map<string, string> data = new hashmap<string, string>(); data.put("body", "上屏名稱"); data.put("detail", "商品詳情"); data.put("out_trade_no", "2ab9071b06b9f739b950ddb41db2690d"); data.put("device_info", ""); data.put("fee_type", "cny"); data.put("total_fee", "1"); data.put("spbill_create_ip", "218.17.160.245"); data.put("notify_url", "http://www.example.com/wxpay/notify"); data.put("trade_type", "native"); // 此處指定為掃碼支付 data.put("product_id", "12"); try { map<string, string> resp = wxpay.unifiedorder(data); system.out.println(resp); } catch (exception e) { e.printstacktrace(); } return ""; }} |
4、調用：
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/** 向微信支付系統下單，并得到二維碼返回給用戶 */map<string, string> resdata = wewxpayservice.unifiedorder(product, order); |
5、resdata.get("code_url")為微信下單成功后返回的二維碼地址，頁面中用qrcode.js來顯示該二維碼，且該頁面用定時器定時查詢訂單支付狀態
以上就是本文的全部內容，希望對大家的學習有所幫助，也希望大家多多支持服務器之家。
原文鏈接：https://blog.csdn.net/ZuoYanYouYan/article/details/80225553
