本文实例为大家分享了java实现微信扫码支付的具体代码，供大家参考，具体内容如下
1、maven项目的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>
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2、编写wewxconfig类：
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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
*/
@component
public class wewxconfig implements wxpayconfig {
@value("${wechat.public.appid}")
private string appid;
@value("${wechat.merchant}")
private string mchid;
@value("${wechat.public.apikey}")
private string apikey;
/**
* 公众账号id:微信支付分配的公众账号id（企业号corpid即为此appid）
*
* @return
*/
@override
public string getappid() {
return appid;
}
/**
* 商户号:微信支付分配的商户号
*
* @return
*/
@override
public string getmchid() {
return mchid;
}
/**
* @return
*/
@override
public string getkey() {
return apikey;
}
@override
public inputstream getcertstream() {
return null;
}
@override
public int gethttpconnecttimeoutms() {
return 0;
}
@override
public int gethttpreadtimeoutms() {
return 0;
}
}
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3、编写wewxpayservice：
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package com.xx.wxpay;
import com.alibaba.fastjson.jsonobject;
import com.github.wxpay.sdk.wxpay;
import com.google.common.collect.maps;
import com.xx.model.order;
import com.xx.model.product;
import org.slf4j.logger;
import org.slf4j.loggerfactory;
import org.springframework.beans.factory.annotation.autowired;
import org.springframework.beans.factory.annotation.value;
import org.springframework.stereotype.component;
import org.springframework.stereotype.service;
import java.text.messageformat;
import java.util.hashmap;
import java.util.map;
/**
* 描述：
*
* @author ssl
* @create 2018/04/24 20:15
*/
@service
public class wewxpayservice {
protected logger logger = loggerfactory.getlogger(this.getclass());
@value("${project.url}")
private string projecturl;
@autowired
private wewxconfig wewxconfig;
/**
* 统一下单
*
* @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", "详细信息");
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"); // 此处指定为扫码支付
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;
}
/**
* 订单查询
*
* @param orderno:订单号
* @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", "上屏名称");
data.put("detail", "商品详情");
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"); // 此处指定为扫码支付
data.put("product_id", "12");
try {
map<string, string> resp = wxpay.unifiedorder(data);
system.out.println(resp);
} catch (exception e) {
e.printstacktrace();
}
return "";
}
}
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4、调用：
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/** 向微信支付系统下单，并得到二维码返回给用户 */
map<string, string> resdata = wewxpayservice.unifiedorder(product, order);
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5、resdata.get("code_url")为微信下单成功后返回的二维码地址，页面中用qrcode.js来显示该二维码，且该页面用定时器定时查询订单支付状态
以上就是本文的全部内容，希望对大家的学习有所帮助，也希望大家多多支持服务器之家。
原文链接：https://blog.csdn.net/ZuoYanYouYan/article/details/80225553