本代码优点:无需依赖java程序,两个jsp文件走天下,方便多个项目复制使用,完整绿色无污染!
吐槽一下腾讯,给的示例代码太复杂不好调试,直接给个简单能跑通的多好,先能跑通再加复杂逻辑才是王道!
1、先要有微信开放平台的账号,并创建应用,审核通过。并且获取微信支付能力。
2、创建应用在填写Android的签名的时候要去掉冒号,并且小写(备注: 签名是用的md5 )
3、微信支付,一定要打包为apk 格式的文件,并且需要用到自己的keystore证书
4、打包好的apk文件,安装在手机测试
废话不多说,上代码:
1、HBuilder端js代码,放个按钮调用doWxPay()方法即可:
var channels = null;
mui.plusReady(function() {
// 获取支付通道
plus.payment.getChannels(function(cs) {
channels = cs;
}, function(e) {
alert("获取支付通道失败:" + e.message);
});
});
var w=null;
function doWxPay() {
if (w) return;
w = plus.nativeUI.showWaiting();
//获取支付通道
var channel;
for(var i in channels) {
if(channels[i].id == "wxpay") {
channel = channels[i];
}
}
mui.ajax('http://www.mywebsitexxx.com/pay_wx.jsp', {
data: {
total: "1", //支付金额1分
body: "Test", //支付界面标题
out_trade_no: "123456789" //订单编号
},
type: 'post',
dataType: 'text',
timeout:20000,
success: function(data) {
w.close();
w = null;
data=data.replace(/\r\n/g,"").trim();
console.log(data);
plus.payment.request(channel, data, saveSuccess, saveFail);
},
error: function(xhr, errorType, error) {
w.close();
w = null;
alert(" error:"+error);
}
});
}
function saveSuccess(){
mui.toast("支付成功!");
}
function saveFail(error){
alert("支付失败!"+JSON.stringify(error));
}
2、服务端jsp代码pay_wx.jsp,放在网站根目录:
<%@ page language="java" contentType="text/html; charset=UTF-8" pageEncoding="UTF-8" %>
<%@page import="java.util.*"%>
<%@page import="java.io.*"%>
<%@page import="org.w3c.dom.*"%>
<%@page import="javax.xml.parsers.*"%>
<%@page import="javax.xml.transform.stream.*"%>
<%@page import="javax.xml.transform.*"%>
<%@page import="javax.xml.transform.dom.*"%>
<%@page import="java.security.MessageDigest"%>
<%@page import="org.apache.http.util.EntityUtils"%>
<%@page import="org.apache.http.client.HttpClient"%>
<%@page import="org.apache.http.*"%>
<%@page import="org.apache.http.entity.StringEntity"%>
<%@page import="org.apache.http.client.config.RequestConfig"%>
<%@page import="org.apache.http.client.methods.HttpPost"%>
<%@page import="org.apache.http.impl.client.HttpClientBuilder"%>
<%@page import="org.apache.http.conn.ssl.SSLConnectionSocketFactory"%>
<%@page import="org.apache.http.conn.socket.PlainConnectionSocketFactory"%>
<%@page import="org.apache.http.conn.socket.ConnectionSocketFactory"%>
<%@page import="org.apache.http.config.RegistryBuilder"%>
<%@page import="org.apache.http.impl.conn.BasicHttpClientConnectionManager"%>
<%!
public static String AppID="wxea521866668888";//
public static String MchID="13866668888";//商户id
public static String Key="UNaaaaabbbb87349866668888";//支付秘钥key
public String httpsPost(String url, String data) throws Exception {
BasicHttpClientConnectionManager connManager = new BasicHttpClientConnectionManager(
RegistryBuilder.<ConnectionSocketFactory>create()
.register("http", PlainConnectionSocketFactory.getSocketFactory())
.register("https", SSLConnectionSocketFactory.getSocketFactory())
.build(),
null,
null,
null
);
HttpClient httpClient = HttpClientBuilder.create()
.setConnectionManager(connManager)
.build();
HttpPost httpPost = new HttpPost(url);
RequestConfig requestConfig = RequestConfig.custom().setSocketTimeout(200000).setConnectTimeout(200000).build();
httpPost.setConfig(requestConfig);
StringEntity postEntity = new StringEntity(data, "UTF-8");
httpPost.addHeader("Content-Type", "text/xml");
httpPost.setEntity(postEntity);
HttpResponse httpResponse = httpClient.execute(httpPost);
HttpEntity httpEntity = httpResponse.getEntity();
return EntityUtils.toString(httpEntity, "UTF-8");
}
public static String randomStr(int length) {
String base = "abcdefghijklmnopqrstuvwxyz0123456789";
Random random = new Random();
StringBuffer sb = new StringBuffer();
for (int i = 0; i < length; i++) {
int number = random.nextInt(base.length());
sb.append(base.charAt(number));
}
return sb.toString();
}
public static String MD5(String data) throws Exception {
java.security.MessageDigest md = MessageDigest.getInstance("MD5");
byte[] array = md.digest(data.getBytes("UTF-8"));
StringBuilder sb = new StringBuilder();
for (byte item : array) {
sb.append(Integer.toHexString((item & 0xFF) | 0x100).substring(1, 3));
}
return sb.toString().toUpperCase();
}
public static String generateSignature(final Map<String, String> data, String key) throws Exception {
Set<String> keySet = data.keySet();
String[] keyArray = keySet.toArray(new String[keySet.size()]);
Arrays.sort(keyArray);
StringBuilder sb = new StringBuilder();
for (String k : keyArray) {
sb.append(k).append("=").append(data.get(k).trim()).append("&");
}
sb.append("key=").append(key);
return MD5(sb.toString());
}
public static String mapToXml(Map<String, String> data) throws Exception {
DocumentBuilderFactory documentBuilderFactory = DocumentBuilderFactory.newInstance();
DocumentBuilder documentBuilder= documentBuilderFactory.newDocumentBuilder();
org.w3c.dom.Document document = documentBuilder.newDocument();
org.w3c.dom.Element root = document.createElement("xml");
document.appendChild(root);
for (String key: data.keySet()) {
String value = data.get(key);
if (value == null) {
value = "";
}
value = value.trim();
org.w3c.dom.Element filed = document.createElement(key);
filed.appendChild(document.createTextNode(value));
root.appendChild(filed);
}
TransformerFactory tf = TransformerFactory.newInstance();
Transformer transformer = tf.newTransformer();
DOMSource source = new DOMSource(document);
transformer.setOutputProperty(OutputKeys.ENCODING, "UTF-8");
transformer.setOutputProperty(OutputKeys.INDENT, "yes");
StringWriter writer = new StringWriter();
StreamResult result = new StreamResult(writer);
transformer.transform(source, result);
String output = writer.getBuffer().toString(); //.replaceAll("\n|\r", "");
try {
writer.close();
}
catch (Exception ex) {
}
return output;
}
public static Map<String, String> xmlToMap(String strXML) throws Exception {
try {
Map<String, String> data = new HashMap<String, String>();
DocumentBuilderFactory documentBuilderFactory = DocumentBuilderFactory.newInstance();
DocumentBuilder documentBuilder = documentBuilderFactory.newDocumentBuilder();
InputStream stream = new ByteArrayInputStream(strXML.getBytes("UTF-8"));
org.w3c.dom.Document doc = documentBuilder.parse(stream);
doc.getDocumentElement().normalize();
NodeList nodeList = doc.getDocumentElement().getChildNodes();
for (int idx = 0; idx < nodeList.getLength(); ++idx) {
Node node = nodeList.item(idx);
if (node.getNodeType() == Node.ELEMENT_NODE) {
org.w3c.dom.Element element = (org.w3c.dom.Element) node;
data.put(element.getNodeName(), element.getTextContent());
}
}
try {
stream.close();
} catch (Exception ex) {
}
return data;
} catch (Exception ex) {
throw ex;
}
}
%>
<%
HashMap<String, String> reqData = new HashMap<String, String>();
reqData.put("appid", AppID);
reqData.put("mch_id", MchID);
reqData.put("body", request.getParameter("body"));// 商品描述
reqData.put("out_trade_no", request.getParameter("out_trade_no")); // 商户订单号
reqData.put("total_fee", request.getParameter("total"));//支付金额
reqData.put("fee_type", "CNY");// 币种
reqData.put("spbill_create_ip", request.getRemoteAddr());
reqData.put("notify_url", "http://www.mywebsitexxx.com/webhook_wx.jsp");//微信回调notify页面
reqData.put("trade_type", "APP");
reqData.put("nonce_str",randomStr(20));
String sign = generateSignature(reqData, Key);
reqData.put("sign", sign);//打包签名
String reqBody = mapToXml(reqData);
String result = httpsPost("https://api.mch.weixin.qq.com/pay/unifiedorder", reqBody);
//System.out.println(result);
Map map = xmlToMap(result);
String prepay_id = (String) map.get("prepay_id");
String timestamp = String.valueOf(System.currentTimeMillis() / 1000);
String nonce_str = randomStr(20);
String str = "appid=" + AppID + "&noncestr=" + nonce_str
+ "&package=Sign=WXPay" + "&partnerid=" + MchID
+ "&prepayid=" + prepay_id + "×tamp=" + timestamp
+ "&key=" + Key;
String newSign = MD5(str);
StringBuffer json = new StringBuffer();
json.append("{\"appid\":\"");
json.append(AppID);
json.append("\",\"noncestr\":\"");
json.append(nonce_str);
json.append("\",\"package\":\"");
json.append("Sign=WXPay");
json.append("\",\"partnerid\":\"");
json.append(MchID);
json.append("\",\"prepayid\":\"");
json.append(prepay_id);
json.append("\",\"timestamp\":");
json.append(timestamp);
json.append(",\"sign\":\"");
json.append(newSign);
json.append("\"}");
//System.out.println(json.toString());
out.print(json.toString());
%>
3、微信回调notify页面jsp代码webhook_wx.jsp,放在网站根目录:
<%@ page language="java" contentType="text/html; charset=UTF-8" pageEncoding="UTF-8" %>
<%@page import="java.net.HttpURLConnection"%>
<%@page import="java.net.URL"%>
<%@page import="java.util.*"%>
<%@page import="java.io.*"%>
<%@page import="org.w3c.dom.*"%>
<%@page import="javax.xml.parsers.*"%>
<%!
public static Map<String, String> xmlToMap(String strXML) throws Exception {
try {
Map<String, String> data = new HashMap<String, String>();
DocumentBuilderFactory documentBuilderFactory = DocumentBuilderFactory.newInstance();
DocumentBuilder documentBuilder = documentBuilderFactory.newDocumentBuilder();
InputStream stream = new ByteArrayInputStream(strXML.getBytes("UTF-8"));
org.w3c.dom.Document doc = documentBuilder.parse(stream);
doc.getDocumentElement().normalize();
NodeList nodeList = doc.getDocumentElement().getChildNodes();
for (int idx = 0; idx < nodeList.getLength(); ++idx) {
Node node = nodeList.item(idx);
if (node.getNodeType() == Node.ELEMENT_NODE) {
org.w3c.dom.Element element = (org.w3c.dom.Element) node;
data.put(element.getNodeName(), element.getTextContent());
}
}
try {
stream.close();
} catch (Exception ex) {
}
return data;
} catch (Exception ex) {
throw ex;
}
}
%>
<%
StringBuffer xmlStr = new StringBuffer();
String line = null;
try {
request.setCharacterEncoding("utf-8");
BufferedReader reader = request.getReader();
while ((line = reader.readLine()) != null) {
xmlStr.append(line);
}
} catch (Exception e) {
e.printStackTrace();
}
System.out.println("微信支付:"+xmlStr);
Map data = xmlToMap(xmlStr.toString());
if("SUCCESS".equals(data.get("return_code"))
&& "SUCCESS".equals(data.get("result_code"))){
Double totalFee = new Double(data.get("total_fee").toString())/100;
//TODO:这里加判断逻辑,编写更新订单状态的代码,或直接调用写好的Java类
System.out.println(totalFee );
out.println("<xml><return_code><![CDATA[SUCCESS]]></return_code><return_msg><![CDATA[OK]]></return_msg></xml>");
} catch (Exception e) {
e.printStackTrace();
}
}else{
out.println("ERROR");
}
%>
完毕,打包apk即可测试。
注:各种依赖jar包还得自行去下载。
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