Android微信生成支付二维码URL

来源：互联网发布：java log4j 格式编辑：程序博客网时间：2024/05/17 10:39
生成微信支付二维码URL，让别人扫一扫收钱，就是微信的收钱码
/***微信二维码支付**/public class WXPayUtils {    private static String strResponse = null;    private static String url = "";    public static String nonceStr = "";    public static String outTradeNo = "";    /**     * 微信生成签名     */    private static String genPackageSign(List<NameValuePair> params) {        StringBuilder sb = new StringBuilder();        for (int i = 0; i < params.size(); i++) {            sb.append(params.get(i).getName());            sb.append('=');            sb.append(params.get(i).getValue());            sb.append('&');        }        sb.append("key=");        sb.append(AlipayUtils.key);        String packageSign = MD5.getMessageDigest(sb.toString().getBytes())                .toUpperCase();        Log.e("orion", packageSign);        return packageSign;    }    /*** 微信获取签名 **/    public static String genProductArgs(String nonceStr, String outTradeNo,                                        String totalFee) {        try {            List<NameValuePair> packageParams = new LinkedList<>();            packageParams.add(new BasicNameValuePair("appid",                    AlipayUtils.appid));            packageParams.add(new BasicNameValuePair("body", AlipayUtils.bodyname));            packageParams                    .add(new BasicNameValuePair("mch_id", AlipayUtils.mchid));            packageParams.add(new BasicNameValuePair("nonce_str", nonceStr));            packageParams.add(new BasicNameValuePair("notify_url",                    "http://www.weixin.qq.com/wxpay/pay.php"));            packageParams                    .add(new BasicNameValuePair("out_trade_no", outTradeNo));            packageParams.add(new BasicNameValuePair("spbill_create_ip",                    AlipayUtils.ip));            packageParams.add(new BasicNameValuePair("total_fee", totalFee));            packageParams.add(new BasicNameValuePair("trade_type", "NATIVE"));            String sign = genPackageSign(packageParams);            return sign;        } catch (Exception e) {            LogUtils.saveFileToSMB(LogUtils.getExceptionInfo(e));            e.printStackTrace();            return null;        }    }    /*** 微信获取签名 **/    public static String QgenProductArgs(String nonceStr, String outTradeNo) {        try {            List<NameValuePair> packageParams = new LinkedList<>();            packageParams.add(new BasicNameValuePair("appid",                    AlipayUtils.appid));            packageParams                    .add(new BasicNameValuePair("mch_id", AlipayUtils.mchid));            packageParams.add(new BasicNameValuePair("nonce_str", nonceStr));            packageParams                    .add(new BasicNameValuePair("out_trade_no", outTradeNo));            String sign = genPackageSign(packageParams);            return sign;        } catch (Exception e) {            LogUtils.saveFileToSMB(LogUtils.getExceptionInfo(e));            e.printStackTrace();            return null;        }    }    /** 微信获取随机字符串nonce_str **/    public static String getNonceStr() {        Random random = new Random();        nonceStr = MD5.getMessageDigest(String.valueOf(                System.currentTimeMillis() + random.nextInt(10000)).getBytes());        return nonceStr;    }    /** 微信获取随机字符串out_trade_no **/    public static String getOutTradNo() {        Random random = new Random();        outTradeNo = MD5.getMessageDigest(String.valueOf(                System.currentTimeMillis() + random.nextInt(10000)).getBytes());        return outTradeNo;    }    /**** 微信生成二维码URL **/    public static void sendWxPayRequest(final String body, final String nonceStr,                                        final String outTradeNo, final String totalFee,                                        final Handler handler) {        new Thread(new Runnable() {            @Override            public void run() {                // 构造HTTP请求                HttpClient httpclient = new HttpClient();                PostMethod postMethod = new PostMethod(                        "https://api.mch.weixin.qq.com/pay/unifiedorder");                StringBuffer requestStr = new StringBuffer("<xml>");                requestStr.append("<appid><![CDATA[");                requestStr.append(AlipayUtils.appid);                requestStr.append("]]></appid>");                requestStr.append("<body><![CDATA[");                requestStr.append(body);                requestStr.append("]]></body>");                requestStr.append("<mch_id><![CDATA[");                requestStr.append(AlipayUtils.mchid);                requestStr.append("]]></mch_id>");                requestStr.append("<nonce_str><![CDATA[");                requestStr.append(nonceStr);                requestStr.append("]]></nonce_str>");                requestStr.append("<notify_url><![CDATA[");                requestStr.append("http://www.weixin.qq.com/wxpay/pay.php");                requestStr.append("]]></notify_url>");                requestStr.append("<out_trade_no><![CDATA[");                requestStr.append(outTradeNo);                requestStr.append("]]></out_trade_no>");                requestStr.append("<spbill_create_ip><![CDATA[");                requestStr.append(AlipayUtils.ip);                requestStr.append("]]></spbill_create_ip>");                requestStr.append("<total_fee><![CDATA[");                requestStr.append(totalFee);                requestStr.append("]]></total_fee>");                requestStr.append("<trade_type><![CDATA[");                requestStr.append("NATIVE");                requestStr.append("]]></trade_type>");                requestStr.append("<sign><![CDATA[");                requestStr.append(WXPayUtils.genProductArgs(nonceStr,                        outTradeNo, totalFee));                requestStr.append("]]></sign>");                requestStr.append("</xml>");                // 发送请求                try {                    RequestEntity entity = new StringRequestEntity(                            requestStr.toString(), "text/xml", "UTF-8");                    postMethod.setRequestEntity(entity);                    httpclient.executeMethod(postMethod);                    strResponse = new String(postMethod.getResponseBody(),                            "utf-8");                    Log.e("strResponse", strResponse);//                  LogUtils.saveToFile(strResponse);                    Message msg = Message.obtain();                    if (!"FAIL".equals(strResponse.split("CDATA\\[")[1].split("]]")[0])){                        url = "weixin"                                + strResponse.split("weixin")[1].split("]]")[0];                        msg.what = 0;                        msg.obj = url;                    }else {                        msg.what = 8;                    }                    handler.sendMessage(msg);                } catch (HttpException e) {                    LogUtils.saveFileToSMB(LogUtils.getExceptionInfo(e));                    e.printStackTrace();                } catch (IOException e) {                    LogUtils.saveFileToSMB(LogUtils.getExceptionInfo(e));                    e.printStackTrace();                } finally {                    postMethod.releaseConnection();                }            }        }).start();    }    /**** 微信查询订单状态 **/    public static void queryWxPayRequest(final String nonceStr,                                         final String outTradeNo, final Handler handler) {        new Thread(new Runnable() {            @Override            public void run() {                // 构造HTTP请求                HttpClient httpclient = new HttpClient();                PostMethod postMethod = new PostMethod(                        "https://api.mch.weixin.qq.com/pay/orderquery");                StringBuffer requestStr = new StringBuffer("<xml>");                requestStr.append("<appid><![CDATA[");                requestStr.append(AlipayUtils.appid);                requestStr.append("]]></appid>");                requestStr.append("<mch_id><![CDATA[");                requestStr.append(AlipayUtils.mchid);                requestStr.append("]]></mch_id>");                requestStr.append("<nonce_str><![CDATA[");                requestStr.append(nonceStr);                requestStr.append("]]></nonce_str>");                requestStr.append("<out_trade_no><![CDATA[");                requestStr.append(outTradeNo);                requestStr.append("]]></out_trade_no>");                requestStr.append("<sign><![CDATA[");                requestStr.append(WXPayUtils.QgenProductArgs(nonceStr,                        outTradeNo));                requestStr.append("]]></sign>");                requestStr.append("</xml>");                    // 发送请求                try {                    RequestEntity entity = new StringRequestEntity(requestStr                            .toString(), "text/xml", "UTF-8");                    postMethod.setRequestEntity(entity);                    httpclient.executeMethod(postMethod);                    strResponse = new String(postMethod.getResponseBody(),                            "utf-8");                    Log.e("strResponse", strResponse);                    String state = "";                    if (!"FAIL".equals(strResponse.split("CDATA\\[")[1].split("]]")[0])){                        state = strResponse.split("trade_state")[1]                                .split("\\[")[2].split("]]")[0];                    }                    Message msg = Message.obtain();                    msg.what = 1;                    msg.obj = state;                    handler.sendMessage(msg);                    Log.e("state", state);                } catch (Exception e) {                    LogUtils.saveFileToSMB(LogUtils.getExceptionInfo(e));                    e.printStackTrace();                } finally {                    postMethod.releaseConnection();                }            }        }).start();    }}
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