一、微信APP支付接入商戶服務中心
二 、配置相關的配置信息application.yml
#微信支付配置
#appid 公衆賬號ID
#mch_id 商戶號
#device_info 設備號
#key 商戶的key【API密匙】
#url api請求地址
#notify_url 服務器異步通知頁面路徑
weixinpayconfig:
appid: wxf78654211a64d5f
mch_id: 15215421
device_info: WEB
key: wuhanlogyinkeyuxian12344ngsi20
url: https://api.mch.weixin.qq.com/pay/unifiedorder
notify_url: http://域名/api/weixinnotifyUrl
#return_url: http://域名/weixinpay/returnUrl
wx_package: Sign=WXPay
三、上傳工具類
3.1微信支付配置文件
package io.renren.api.properties;
import org.springframework.boot.context.properties.ConfigurationProperties;
import org.springframework.stereotype.Component;
/**
* 微信支付配置文件
* @author Administrator
*
*/
@Component
@ConfigurationProperties(prefix="weixinpayconfig")
public class WeixinpayProperties {
private String appid; // 公衆賬號ID
private String mch_id; // 商戶號
private String device_info; // 設備號
private String key; // 商戶的key【API密匙】
private String url; // api請求地址
private String notify_url; // 服務器異步通知頁面路徑
private String return_url; // 服務器同步通知頁面路徑
private String wx_package;
public String getAppid() {
return appid;
}
public void setAppid(String appid) {
this.appid = appid;
}
public String getMch_id() {
return mch_id;
}
public void setMch_id(String mch_id) {
this.mch_id = mch_id;
}
public String getDevice_info() {
return device_info;
}
public void setDevice_info(String device_info) {
this.device_info = device_info;
}
public String getKey() {
return key;
}
public void setKey(String key) {
this.key = key;
}
public String getUrl() {
return url;
}
public void setUrl(String url) {
this.url = url;
}
public String getNotify_url() {
return notify_url;
}
public void setNotify_url(String notify_url) {
this.notify_url = notify_url;
}
public String getReturn_url() {
return return_url;
}
public void setReturn_url(String return_url) {
this.return_url = return_url;
}
public String getWx_package() {
return wx_package;
}
public void setWx_package(String wx_package) {
this.wx_package = wx_package;
}
}
3.2 配置文件Unifiedorder
public class Unifiedorder {
private String appid;
private String mch_id;
private String nonce_str;
private String sign;
private String body;
private String out_trade_no;
private int total_fee;
private String spbill_create_ip;
private String notify_url;
private String trade_type;
public String getAppid() {
return appid;
}
public void setAppid(String appid) {
this.appid = appid;
}
public String getMch_id() {
return mch_id;
}
public void setMch_id(String mch_id) {
this.mch_id = mch_id;
}
public String getNonce_str() {
return nonce_str;
}
public void setNonce_str(String nonce_str) {
this.nonce_str = nonce_str;
}
public String getSign() {
return sign;
}
public void setSign(String sign) {
this.sign = sign;
}
public String getBody() {
return body;
}
public void setBody(String body) {
this.body = body;
}
public String getOut_trade_no() {
return out_trade_no;
}
public void setOut_trade_no(String out_trade_no) {
this.out_trade_no = out_trade_no;
}
public int getTotal_fee() {
return total_fee;
}
public void setTotal_fee(int total_fee) {
this.total_fee = total_fee;
}
public String getSpbill_create_ip() {
return spbill_create_ip;
}
public void setSpbill_create_ip(String spbill_create_ip) {
this.spbill_create_ip = spbill_create_ip;
}
public String getNotify_url() {
return notify_url;
}
public void setNotify_url(String notify_url) {
this.notify_url = notify_url;
}
public String getTrade_type() {
return trade_type;
}
public void setTrade_type(String trade_type) {
this.trade_type = trade_type;
}
}
3.3 微信支付簽名
import java.util.Iterator;
import java.util.Map;
import java.util.Set;
import java.util.SortedMap;
/**
* 微信支付簽名
* @author iYjrg_xiebin
* @date 2016年10月25日下午4:47:07
*/
public class WXSignUtils {
//http://mch.weixin.qq.com/wiki/doc/api/index.php?chapter=4_3
//商戶Key：改成公司申請的即可
//32位密碼設置地址：http://www.sexauth.com/ jdex1hvufnm1sdcb0e81t36k0d0f15nc
private static String Key ="wuhanlongyingkejiyouxiangongsi20";
/**
* 微信支付簽名算法sign
* @param characterEncoding
* @param parameters
* @return
*/
@SuppressWarnings("rawtypes")
public static String createSign(String characterEncoding,SortedMap<Object,Object> parameters){
StringBuffer sb = new StringBuffer();
Set es = parameters.entrySet();//所有參與傳參的參數按照accsii排序（升序）
Iterator it = es.iterator();
while(it.hasNext()) {
Map.Entry entry = (Map.Entry)it.next();
String k = (String)entry.getKey();
Object v = entry.getValue();
if(null != v && !"".equals(v)
&& !"sign".equals(k) && !"key".equals(k)) {
sb.append(k + "=" + v + "&");
}
}
sb.append("key=" + Key);
System.out.println("字符串拼接後是："+sb.toString());
String sign = MD5Util.MD5Encode(sb.toString(), characterEncoding).toUpperCase();
return sign;
}
}
3.4 post提交xml格式的參數
import java.io.BufferedReader;
import java.io.IOException;
import java.io.InputStream;
import java.io.InputStreamReader;
import java.io.OutputStream;
import java.io.OutputStreamWriter;
import java.net.HttpURLConnection;
import java.net.MalformedURLException;
import java.net.URL;
import javax.net.ssl.HttpsURLConnection;
import io.renren.api.properties.Unifiedorder;
/**
* post提交xml格式的參數
* @author iYjrg_xiebin
* @date 2016年10月25日下午3:33:38
*/
public class HttpXmlUtils {
/**
* 開始post提交參數到接口
* 並接受返回
* @param url
* @param xml
* @param method
* @param contentType
* @return
*/
public static String xmlHttpProxy(String url,String xml,String method,String contentType){
InputStream is = null;
OutputStreamWriter os = null;
try {
URL _url = new URL(url);
HttpURLConnection conn = (HttpURLConnection) _url.openConnection();
conn.setDoInput(true);
conn.setDoOutput(true);
conn.setRequestProperty("Content-type", "text/xml");
conn.setRequestProperty("Pragma:", "no-cache");
conn.setRequestProperty("Cache-Control", "no-cache");
conn.setRequestMethod("POST");
os = new OutputStreamWriter(conn.getOutputStream());
os.write(new String(xml.getBytes(contentType)));
os.flush();
//返回值
is = conn.getInputStream();
return getContent(is, "utf-8");
} catch (MalformedURLException e) {
e.printStackTrace();
} catch (IOException e) {
e.printStackTrace();
} finally{
try {
if(os!=null){os.close();}
if(is!=null){is.close();}
} catch (IOException e) {
e.printStackTrace();
}
}
return null;
}
/**
* 解析返回的值
* @param is
* @param charset
* @return
*/
public static String getContent(InputStream is, String charset) {
String pageString = null;
InputStreamReader isr = null;
BufferedReader br = null;
StringBuffer sb = null;
try {
isr = new InputStreamReader(is, charset);
br = new BufferedReader(isr);
sb = new StringBuffer();
String line = null;
while ((line = br.readLine()) != null) {
sb.append(line + "\n");
}
pageString = sb.toString();
} catch (Exception e) {
e.printStackTrace();
} finally {
try {
if (is != null){
is.close();
}
if(isr!=null){
isr.close();
}
if(br!=null){
br.close();
}
} catch (IOException e) {
e.printStackTrace();
}
sb = null;
}
return pageString;
}
/**
* 構造xml參數
* @param xml
* @return
*/
public static String xmlInfo(Unifiedorder unifiedorder){
//構造xml參數的時候，至少又是個必傳參數
/*
* <xml>
<appid>wx2421b1c4370ec43b</appid>
<attach>支付測試</attach>
<body>JSAPI支付測試</body>
<mch_id>10000100</mch_id>
<nonce_str>1add1a30ac87aa2db72f57a2375d8fec</nonce_str>
<notify_url>http://wxpay.weixin.qq.com/pub_v2/pay/notify.v2.php</notify_url>
<openid>oUpF8uMuAJO_M2pxb1Q9zNjWeS6o</openid>
<out_trade_no>1415659990</out_trade_no>
<spbill_create_ip>14.23.150.211</spbill_create_ip>
<total_fee>1</total_fee>
<trade_type>JSAPI</trade_type>
<sign>0CB01533B8C1EF103065174F50BCA001</sign>
</xml>
*/
if(unifiedorder!=null){
StringBuffer bf = new StringBuffer();
bf.append("<xml>");
bf.append("<appid><![CDATA[");
bf.append(unifiedorder.getAppid());
bf.append("]]></appid>");
bf.append("<mch_id><![CDATA[");
bf.append(unifiedorder.getMch_id());
bf.append("]]></mch_id>");
bf.append("<nonce_str><![CDATA[");
bf.append(unifiedorder.getNonce_str());
bf.append("]]></nonce_str>");
bf.append("<sign><![CDATA[");
bf.append(unifiedorder.getSign());
bf.append("]]></sign>");
bf.append("<body><![CDATA[");
bf.append(unifiedorder.getBody());
bf.append("]]></body>");
bf.append("<out_trade_no><![CDATA[");
bf.append(unifiedorder.getOut_trade_no());
bf.append("]]></out_trade_no>");
bf.append("<total_fee><![CDATA[");
bf.append(unifiedorder.getTotal_fee());
bf.append("]]></total_fee>");
bf.append("<spbill_create_ip><![CDATA[");
bf.append(unifiedorder.getSpbill_create_ip());
bf.append("]]></spbill_create_ip>");
bf.append("<notify_url><![CDATA[");
bf.append(unifiedorder.getNotify_url());
bf.append("]]></notify_url>");
bf.append("<trade_type><![CDATA[");
bf.append(unifiedorder.getTrade_type());
bf.append("]]></trade_type>");
bf.append("</xml>");
return bf.toString();
}
return "";
}
/**
* post請求並得到返回結果
* @param requestUrl
* @param requestMethod
* @param output
* @return
*/
public static String httpsRequest(String requestUrl, String requestMethod, String output) {
try{
URL url = new URL(requestUrl);
HttpsURLConnection connection = (HttpsURLConnection) url.openConnection();
connection.setDoOutput(true);
connection.setDoInput(true);
connection.setUseCaches(false);
connection.setRequestMethod(requestMethod);
if (null != output) {
OutputStream outputStream = connection.getOutputStream();
outputStream.write(output.getBytes("UTF-8"));
outputStream.close();
}
// 從輸入流讀取返回內容
InputStream inputStream = connection.getInputStream();
InputStreamReader inputStreamReader = new InputStreamReader(inputStream, "utf-8");
BufferedReader bufferedReader = new BufferedReader(inputStreamReader);
String str = null;
StringBuffer buffer = new StringBuffer();
while ((str = bufferedReader.readLine()) != null) {
buffer.append(str);
}
bufferedReader.close();
inputStreamReader.close();
inputStream.close();
inputStream = null;
connection.disconnect();
return buffer.toString();
}catch(Exception ex){
ex.printStackTrace();
}
return "";
}
}
3.4 DOM解析
import java.io.StringReader;
import java.util.Iterator;
import java.util.List;
import org.apache.log4j.Logger;
import org.dom4j.Document;
import org.dom4j.DocumentException;
import org.dom4j.DocumentHelper;
import org.dom4j.Element;
import org.dom4j.io.SAXReader;
import org.jdom.input.SAXBuilder;
import org.xml.sax.InputSource;
public class ParseXMLUtils {
private static Logger log = Logger.getLogger(ParseXMLUtils.class);
/**
* 1、DOM解析
*/
@SuppressWarnings("rawtypes")
public static void beginXMLParse(String xml){
Document doc = null;
try {
doc = DocumentHelper.parseText(xml); // 將字符串轉爲XML
Element rootElt = doc.getRootElement(); // 獲取根節點smsReport
System.out.println("根節點是："+rootElt.getName());
Iterator iters = rootElt.elementIterator("sendResp"); // 獲取根節點下的子節點sms
while (iters.hasNext()) {
Element recordEle1 = (Element) iters.next();
Iterator iter = recordEle1.elementIterator("sms");
while (iter.hasNext()) {
Element recordEle = (Element) iter.next();
String phone = recordEle.elementTextTrim("phone"); // 拿到sms節點下的子節點stat值
String smsID = recordEle.elementTextTrim("smsID"); // 拿到sms節點下的子節點stat值
System.out.println(phone+":"+smsID);
}
}
} catch (DocumentException e) {
e.printStackTrace();
} catch (Exception e) {
e.printStackTrace();
}
}
/**
* 2、DOM4j解析XML（支持xpath）
* 解析的時候自動去掉CDMA
* @param xml
*/
public static void xpathParseXml(String xml){
try {
StringReader read = new StringReader(xml);
SAXReader saxReader = new SAXReader();
Document doc = saxReader.read(read);
String xpath ="/xml/appid";
System.out.print(doc.selectSingleNode(xpath).getText());
} catch (DocumentException e) {
e.printStackTrace();
}
}
/**
* 3、JDOM解析XML
* 解析的時候自動去掉CDMA
* @param xml
*/
@SuppressWarnings("unchecked")
public static UnifiedorderResult jdomParseXml(String xml){
UnifiedorderResult unifieorderResult = new UnifiedorderResult();
try {
StringReader read = new StringReader(xml);
// 創建新的輸入源SAX 解析器將使用 InputSource 對象來確定如何讀取 XML 輸入
InputSource source = new InputSource(read);
// 創建一個新的SAXBuilder
SAXBuilder sb = new SAXBuilder();
// 通過輸入源構造一個Document
org.jdom.Document doc;
doc = (org.jdom.Document) sb.build(source);
org.jdom.Element root = doc.getRootElement();// 指向根節點
List<org.jdom.Element> list = root.getChildren();
if(list != null && list.size() > 0){
boolean flag1 = true;
boolean flag2 = true;
for (org.jdom.Element element : list) {
log.info("key是："+element.getName()+"，值是："+element.getText());
if("return_code".equals(element.getName())){
if("FAIL".equals(element.getText())){
flag1 = false;
}else{
unifieorderResult.setReturn_code(element.getText());
}
}
if("return_msg".equals(element.getName())){
if(element.getText() != null && !"OK".equals(element.getText())){//微信支付的第一個坑，這裏返回了OK，23333
log.error("統一下單參數有誤，錯誤原因爲:"+element.getText());
return null;
}
}
if(flag1){
if("appid".equals(element.getName())){
unifieorderResult.setAppid(element.getText());
}
if("mch_id".equals(element.getName())){
unifieorderResult.setMch_id(element.getText());
}
if("nonce_str".equals(element.getName())){
unifieorderResult.setNonce_str(element.getText());
}
if("sign".equals(element.getName())){
unifieorderResult.setSign(element.getText());
}
if("err_code".equals(element.getName())){
unifieorderResult.setErr_code(element.getText());
}
if("err_code_des".equals(element.getName())){
unifieorderResult.setErr_code_des(element.getText());
}
if("result_code".equals(element.getName())){
if("FAIL".equals(element.getText())){
flag2 = false;
log.error("統一下單業務結果有誤，無法返回預支付交易會話標識");
}else{
unifieorderResult.setResult_code(element.getText());
}
}
}
if(flag1 && flag2 && flag2 == true){
if("trade_type".equals(element.getName())){
unifieorderResult.setTrade_type(element.getText());
}
if("prepay_id".equals(element.getName())){
log.info("統一下單接口成功返回預支付交易會話標識！");
unifieorderResult.setPrepay_id(element.getText());
}
}
}
return unifieorderResult;
}else{
return null;
}
} catch (Exception e) {
e.printStackTrace();
return null;
}
}
public static boolean parseInt(String key){
if(!StringUtil.isEmpty(key)){
if(key.equals("total_fee")||key.equals("cash_fee")||key.equals("coupon_fee")||key.equals("coupon_count")||key.equals("coupon_fee_0")){
return true;
}
}
return false;
}
}
3.5統一下單提交給微信的參數
/**
* 統一下單提交爲微信的參數
*/
public class UnifiedorderResult {
private String return_code;
private String return_msg;
private String appid;
private String mch_id;
private String device_info;
private String nonce_str;
private String sign;
private String result_code;
private String err_code;
private String err_code_des;
private String trade_type;
private String prepay_id;
public String getAppid() {
return appid;
}
public void setAppid(String appid) {
this.appid = appid;
}
public String getMch_id() {
return mch_id;
}
public void setMch_id(String mch_id) {
this.mch_id = mch_id;
}
public String getDevice_info() {
return device_info;
}
public void setDevice_info(String device_info) {
this.device_info = device_info;
}
public String getNonce_str() {
return nonce_str;
}
public void setNonce_str(String nonce_str) {
this.nonce_str = nonce_str;
}
public String getSign() {
return sign;
}
public void setSign(String sign) {
this.sign = sign;
}
public String getResult_code() {
return result_code;
}
public void setResult_code(String result_code) {
this.result_code = result_code;
}
public String getErr_code() {
return err_code;
}
public void setErr_code(String err_code) {
this.err_code = err_code;
}
public String getErr_code_des() {
return err_code_des;
}
public void setErr_code_des(String err_code_des) {
this.err_code_des = err_code_des;
}
public String getTrade_type() {
return trade_type;
}
public void setTrade_type(String trade_type) {
this.trade_type = trade_type;
}
public String getPrepay_id() {
return prepay_id;
}
public void setPrepay_id(String prepay_id) {
this.prepay_id = prepay_id;
}
public String getReturn_code() {
return return_code;
}
public void setReturn_code(String return_code) {
this.return_code = return_code;
}
public String getReturn_msg() {
return return_msg;
}
public void setReturn_msg(String return_msg) {
this.return_msg = return_msg;
}
}
應該就這麼多了 如何疏忽了還有沒貼的工具欄，那就只能下載我上傳的工具類的（我想設置0積分 但是最低是1積分）
工具類下載地址
https://download.csdn.net/download/weixin_42694286/10930334
四、支付請求 拉取微信預付單
/**
* 支付請求 拉取微信預付單
*
* @param order
* @param request
* @param response
* @throws ServletException
* @throws Exception
*/
@SuppressWarnings("unused")
@RequestMapping("/weixinpay")
public R weixinpay(TpOrder order, HttpServletRequest request, HttpServletResponse response) throws Exception {
// 獲取訂單號
String orderNo = order.getOrderSn();
// 商品價格
// BigDecimal goodsPrice = order.getGoodsPrice();
// 訂單總價
BigDecimal totalAmount = order.getTotalAmount();
double price = totalAmount.doubleValue();
System.out.println("price:" + price);
// 微信開放平臺審覈通過的應用APPID
System.out.println("appid是：" + weixinpayProperties.getAppid());
System.out.println("mch_id是：" + weixinpayProperties.getMch_id());
String nonce_str = StringUtil.getRandomString(30);
System.out.println("隨機字符串是：" + nonce_str);
String body = "測試微信支付0.01";
String total_price = null;// 訂單總金額，單位爲分，詳見支付金額
/*
* double totalfee =0; try{
* totalfee=Double.parseDouble(total_price);////單位是分，即是0.01元 }catch (Exception
* e) { totalfee=0; }
*/
String spbill_create_ip; // 用戶端實際ip
int total_fee = (int) (price * 100);
spbill_create_ip = getRemortIP(request);// "127.0.0.1";
System.out.println("spbill_create_ip===="+spbill_create_ip);
String notify_url = weixinpayProperties.getNotify_url();
System.out.println("notify_url是：" + notify_url);
String trade_type = "APP";
// 參數：開始生成簽名
SortedMap<Object, Object> parameters = new TreeMap<Object, Object>();
parameters.put("appid", weixinpayProperties.getAppid());
parameters.put("mch_id", weixinpayProperties.getMch_id());
parameters.put("nonce_str", nonce_str);
parameters.put("body", body);
parameters.put("out_trade_no", orderNo);
parameters.put("total_fee", total_fee);
parameters.put("notify_url", notify_url);
parameters.put("trade_type", trade_type);
parameters.put("spbill_create_ip",spbill_create_ip);
String sign = WXSignUtils.createSign("UTF-8", parameters);
System.out.println("簽名是：" + sign);
Unifiedorder unifiedorder = new Unifiedorder();
unifiedorder.setAppid(weixinpayProperties.getAppid());
unifiedorder.setMch_id(weixinpayProperties.getMch_id());
unifiedorder.setNonce_str(nonce_str);
unifiedorder.setSign(sign);
unifiedorder.setBody(body);
unifiedorder.setOut_trade_no(orderNo);
unifiedorder.setTotal_fee(total_fee);
unifiedorder.setSpbill_create_ip(spbill_create_ip);
unifiedorder.setNotify_url(notify_url);
unifiedorder.setTrade_type(trade_type);
// 構造xml參數
String xmlInfo = HttpXmlUtils.xmlInfo(unifiedorder);
System.out.println("xmlInfo:" + xmlInfo);
String wxUrl = "https://api.mch.weixin.qq.com/pay/unifiedorder";
String method = "POST";
String weixinPost = HttpXmlUtils.httpsRequest(wxUrl, method, xmlInfo).toString();// 請求微信
System.out.println("weixinPost:" + weixinPost);
UnifiedorderResult unifiedorderResult = ParseXMLUtils.jdomParseXml(weixinPost);// 解析微信的反饋
if (unifiedorderResult != null) {
if ("SUCCESS".equals(unifiedorderResult.getReturn_code())) {
// 開始拼接App調起微信的參數
SortedMap<Object, Object> wxAppparameters = new TreeMap<Object, Object>();
wxAppparameters.put("appid", unifiedorderResult.getAppid());
wxAppparameters.put("partnerid", unifiedorderResult.getMch_id());
wxAppparameters.put("prepayid", unifiedorderResult.getPrepay_id());
wxAppparameters.put("package", weixinpayProperties.getWx_package());
wxAppparameters.put("noncestr", nonce_str);
wxAppparameters.put("timestamp", String.valueOf(new Date().getTime()).substring(0, 10));
wxAppparameters.put("sign", WXSignUtils.createSign("UTF-8", wxAppparameters));
return R.ok().put("wxAppparameters", wxAppparameters);
} else {
logger.error("錯誤原因爲：" + unifiedorderResult.getReturn_msg());
return R.error();
}
} else {
logger.error("服務端請求微信的返回值異常。");
return R.error();
}
}
五、微信支付服務器異步通知
/**
* 微信支付服務器異步通知
*
* @param request
* @throws Exception
*/
@RequestMapping("/weixinnotifyUrl")
//@Transactional(isolation = Isolation.SERIALIZABLE)
public String notifyUrl(HttpServletRequest request) throws Exception {
String result;//返回給微信的處理結果
//BigDecimal platfor = null;
logger.info("notifyUrl");
// 讀取參數
InputStream inputStream;
StringBuffer sb = new StringBuffer();
inputStream = request.getInputStream();
String s;
BufferedReader in = new BufferedReader(new InputStreamReader(inputStream, "UTF-8"));
while ((s = in.readLine()) != null) {
sb.append(s);
}
in.close();
inputStream.close();
// 解析xml成map
Map<String, String> m = new HashMap<String, String>();
m = XmlUtil.doXMLParse(sb.toString());
//過濾空 設置 TreeMap
SortedMap<Object, Object> packageParams = new TreeMap<Object, Object>();
Iterator<String> it = m.keySet().iterator();
while (it.hasNext()) {
String parameter = it.next();
String parameterValue = m.get(parameter);
String v = "";
if (null != parameterValue) {
v = parameterValue.trim();
}
logger.info("p:" + parameter + ",v:" + v);
packageParams.put(parameter, v);
}
// 微信支付的API密鑰
String key = weixinpayProperties.getKey();
if (isTenpaySign("UTF-8", packageParams, key)) { // 驗證通過
if ("SUCCESS".equals((String) packageParams.get("result_code"))) {
//這裏面是你的業務邏輯處理
// 通知微信已經收到消息，不要再給我發消息了，否則微信會8連擊調用本接口
result = setXML("SUCCESS", "OK");
System.out.println(result+"===1");
return result;
}
}
} else {
result = setXML("fail","xml獲取失敗");
System.out.println(result+"===2");
return result;
}
result = setXML("fail","xml獲取失敗");
System.out.println(result+"===3");
return result;
}
public static String setXML(String return_code, String return_msg) {
return "<xml><return_code><![CDATA[" + return_code + "]]></return_code><return_msg><![CDATA[" + return_msg + "]]></return_msg></xml>";
}
/**
* 類型轉換
*
* @author chenp
* @param matrix
* @return
*/
public static BufferedImage toBufferedImage(BitMatrix matrix) {
int width = matrix.getWidth();
int height = matrix.getHeight();
BufferedImage image = new BufferedImage(width, height, BufferedImage.TYPE_INT_ARGB);
for (int x = 0; x < width; x++) {
for (int y = 0; y < height; y++) {
image.setRGB(x, y, matrix.get(x, y) == true ? 0xff000000 : 0xFFFFFFFF);
}
}
return image;
}
/**
* 通過返回IO流獲取支付地址
*
* @param in
* @return
*/
@SuppressWarnings({ "unused", "unchecked" })
private String getElementValue(InputStream in, String key) throws Exception {
SAXReader reader = new SAXReader();
Document document = reader.read(in);
Element root = document.getRootElement();
List<Element> childElements = root.elements();
for (Element child : childElements) {
if (key.equals(child.getName())) {
return child.getStringValue();
}
}
return null;
}
/**
* 獲取本機IP地址
*
* @return IP
*/
public static String getRemortIP(HttpServletRequest request) {
if (request.getHeader("x-forwarded-for") == null) {
return request.getRemoteAddr();
}
return request.getHeader("x-forwarded-for");
}
/**
* 微信支付簽名算法sign
*/
@SuppressWarnings("unused")
private String getSign(Map<String, Object> map) {
StringBuffer sb = new StringBuffer();
String[] keyArr = (String[]) map.keySet().toArray(new String[map.keySet().size()]);// 獲取map中的key轉爲array
Arrays.sort(keyArr);// 對array排序
for (int i = 0, size = keyArr.length; i < size; ++i) {
if ("sign".equals(keyArr[i])) {
continue;
}
sb.append(keyArr[i] + "=" + map.get(keyArr[i]) + "&");
}
sb.append("key=" + weixinpayProperties.getKey());
String sign = string2MD5(sb.toString());
return sign;
}
/***
* MD5加碼 生成32位md5碼
*/
private String string2MD5(String str) {
if (str == null || str.length() == 0) {
return null;
}
char hexDigits[] = { '0', '1', '2', '3', '4', '5', '6', '7', '8', '9', 'a', 'b', 'c', 'd', 'e', 'f' };
try {
MessageDigest mdTemp = MessageDigest.getInstance("MD5");
mdTemp.update(str.getBytes("UTF-8"));
byte[] md = mdTemp.digest();
int j = md.length;
char buf[] = new char[j * 2];
int k = 0;
for (int i = 0; i < j; i++) {
byte byte0 = md[i];
buf[k++] = hexDigits[byte0 >>> 4 & 0xf];
buf[k++] = hexDigits[byte0 & 0xf];
}
return new String(buf).toUpperCase();
} catch (Exception e) {
return null;
}
}
/**
* 是否簽名正確,規則是:按參數名稱a-z排序,遇到空值的參數不參加簽名。
*
* @return boolean
*/
@SuppressWarnings("rawtypes")
public static boolean isTenpaySign(String characterEncoding, SortedMap<Object, Object> packageParams,
String API_KEY) {
StringBuffer sb = new StringBuffer();
Set es = packageParams.entrySet();
Iterator it = es.iterator();
while (it.hasNext()) {
Map.Entry entry = (Map.Entry) it.next();
String k = (String) entry.getKey();
String v = (String) entry.getValue();
if (!"sign".equals(k) && null != v && !"".equals(v)) {
sb.append(k + "=" + v + "&");
}
}
sb.append("key=" + API_KEY);
// 算出摘要
String mysign = MD5Util.MD5Encode(sb.toString(), characterEncoding).toLowerCase();
String tenpaySign = ((String) packageParams.get("sign")).toLowerCase();
return tenpaySign.equals(mysign);
}
}