最近公司在接入支付这一块，调用微信支付时怎么就调不通，不得不说微信API了......
自己写了几个类可直接使用,只需要在Constantutil.java工具类中写好自己微信平台申请的信息，TenPayAction.java层处理自己的业务逻辑即可！
TenPayAction.java
import com.opensymphony.xwork2.Action;
import org.jdom.JDOMException;
import org.springframework.beans.factory.annotation.Autowired;
import java.io.ByteArrayOutputStream;
import java.io.IOException;
import java.io.InputStream;
import java.io.PrintWriter;
import java.util.Date;
import java.util.HashMap;
import java.util.Map;
public class TenPayAction extends BaseAction {
@Autowired
private PayRecordService payRecordService;
@Autowired
private AppCustomerService appCustomerService;
private String out_trade_no = "";
/*
* 功能描述:生成预支付订单，获取prepayId
* @param: * @param
* @return: java.lang.String
* @auther: duyuanyuan
* @date: 2019/1/10 15:22
*/
public String getOrder()throws Exception {
Map<String, Object> map = new HashMap<String, Object>();
// 获取生成预支付订单的请求类
PrepayIdRequestHandler prepayReqHandler = new PrepayIdRequestHandler(getRequest(), getResponse());
String totalFee = getRequest().getParameter("total_fee");
String userphone = getRequest().getParameter("phone");
int total_fee=(int) (Float.valueOf(totalFee)*100);
System.out.println("total:"+total_fee);
System.out.println("total_fee:" + total_fee);
prepayReqHandler.setParameter("appid", ConstantUtil.APP_ID);
prepayReqHandler.setParameter("body", ConstantUtil.BODY);
prepayReqHandler.setParameter("mch_id", ConstantUtil.MCH_ID);
String nonce_str = WXUtil.getNonceStr();
prepayReqHandler.setParameter("nonce_str", nonce_str);
prepayReqHandler.setParameter("notify_url", ConstantUtil.NOTIFY_URL);
out_trade_no = String.valueOf(UUID.next());
prepayReqHandler.setParameter("out_trade_no", out_trade_no);
prepayReqHandler.setParameter("spbill_create_ip", getRequest().getRemoteAddr());
String timestamp = WXUtil.getTimeStamp();
prepayReqHandler.setParameter("time_start", timestamp);
System.out.println(String.valueOf(total_fee));
prepayReqHandler.setParameter("total_fee", String.valueOf(total_fee));
prepayReqHandler.setParameter("trade_type", "APP");
//prepayReqHandler.setParameter("trade_type", "JSAPI");
/**
* 注意签名（sign）的生成方式，具体见官方文档（传参都要参与生成签名，且参数名按照字典序排序，最后接上APP_KEY,转化成大写）
*/
prepayReqHandler.setParameter("sign", prepayReqHandler.createMD5Sign());
prepayReqHandler.setGateUrl(ConstantUtil.GATEURL);
String prepayid = prepayReqHandler.sendPrepay();
// 若获取prepayid成功，将相关信息返回客户端
if (prepayid != null && !prepayid.equals("")) {
PayRecord payRecord=new PayRecord();
payRecord.setPhone(userphone);
payRecord.setSerialId(Long.valueOf(out_trade_no));
payRecord.setType("2");
payRecord.setGenerateTime(new Date());
payRecord.setTotalAmount(Float.valueOf(total_fee)/100);
payRecordService.save(payRecord);
String signs = "appid=" + ConstantUtil.APP_ID + "&noncestr=" + nonce_str + "&package=Sign=WXPay&partnerid="
+ ConstantUtil.PARTNER_ID + "&prepayid=" + prepayid + "×tamp=" + timestamp + "&key="
+ ConstantUtil.APP_KEY;
map.put("code", 0);
map.put("info", "success");
map.put("prepayid", prepayid);
/**
* 签名方式与上面类似
*/
map.put("sign", MD5Util.MD5Encode(signs, "utf8").toUpperCase());
map.put("appid", ConstantUtil.APP_ID);
map.put("timestamp", timestamp); //等于请求prepayId时的time_start
map.put("noncestr", nonce_str); //与请求prepayId时值一致
map.put("package", "Sign=WXPay"); //固定常量
map.put("partnerid", ConstantUtil.PARTNER_ID);
} else {
map.put("code", 1);
map.put("info", "获取prepayid失败");
}
setJsonString(Utils.toJson(ResultVOUtil.success(map)));
return Action.SUCCESS;
}
/*
* 功能描述:接收微信支付成功通知
* @param: * @param
* @return: void
* @auther: duyuanyuan
* @date: 2019/1/10 15:22
*/
public void getnotify()throws IOException {
System.out.println("微信支付回调");
PrintWriter writer = getResponse().getWriter();
InputStream inStream = getRequest().getInputStream();
ByteArrayOutputStream outSteam = new ByteArrayOutputStream();
byte[] buffer = new byte[1024];
int len = 0;
while ((len = inStream.read(buffer)) != -1) {
outSteam.write(buffer, 0, len);
}
outSteam.close();
inStream.close();
String result = new String(outSteam.toByteArray(), "utf-8");
System.out.println("微信支付通知结果：" + result);
Map<String, String> map = null;
try {
/**
* 解析微信通知返回的信息
*/
map = XMLUtil.doXMLParse(result);
} catch (JDOMException e) {
// TODO Auto-generated catch block
e.printStackTrace();
}
System.out.println("=========:"+result);
// 若支付成功，则告知微信服务器收到通知
if (map.get("return_code").equals("SUCCESS")) {
if (map.get("result_code").equals("SUCCESS")) {
System.out.println("扣款成功！");
PayRecord payRecord=payRecordService.get(Long.valueOf(map.get("out_trade_no")));
System.out.println("订单号："+Long.valueOf(map.get("out_trade_no")));
System.out.println("payRecord.getPayTime():"+payRecord.getPayTime()==null+","+payRecord.getPayTime());
//判断通知是否已处理，若已处理，则不予处理
if(payRecord.getPayTime()==null){
System.out.println("通知微信后台");
payRecord.setPayTime(new Date());
String phone=payRecord.getPhone();
AppCustomer appCustomer=appCustomerService.getByPhone(phone);
float balance=appCustomer.getBalance();
balance+=Float.valueOf(map.get("total_fee"))/100;
appCustomer.setBalance(balance);
appCustomerService.update(appCustomer);
payRecordService.update(payRecord);
String notifyStr = XMLUtil.setXML("SUCCESS", "");
writer.write(notifyStr);
writer.flush();
}
}
}
}
}下面是专为微信支付写的工具类：
ClientRequestHandler.java
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import java.util.Iterator;
import java.util.Map;
import java.util.Set;
public class ClientRequestHandler extends PrepayIdRequestHandler {
public ClientRequestHandler(HttpServletRequest request,
HttpServletResponse response) {
super(request, response);
// TODO Auto-generated constructor stub
}
/*
* 功能描述:构造xml请求格式
* @param: * @param
* @return: java.lang.String
* @auther: duyuanyuan
* @date: 2019/1/10 15:23
*/
public String getXmlBody() {
StringBuffer sb = new StringBuffer();
Set es = super.getAllParameters().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 (!"appkey".equals(k)) {
sb.append("<" + k + ">" + v + "<" + k + ">" + "\r\n");
}
}
return sb.toString();
}
}ClientResponseHandler.java
import org.jdom.JDOMException;
import java.io.IOException;
import java.util.*;
public class ClientResponseHandler {
/** 应答原始内容 */
private String content;
/** 应答的参数 */
private SortedMap parameters;
/** 密钥 */
private String key;
/** 字符集 */
private String charset;
public ClientResponseHandler() {
this.content = "";
this.parameters = new TreeMap();
this.key = "";
this.charset = "utf8";
}
public String getContent() {
return content;
}
public void setContent(String content) throws Exception {
this.content = content;
this.doParse();
}
/**
* 获取参数值
* @param parameter 参数名称
* @return String
*/
public String getParameter(String parameter) {
String s = (String)this.parameters.get(parameter);
return (null == s) ? "" : s;
}
/**
* 设置参数值
* @param parameter 参数名称
* @param parameterValue 参数值
*/
public void setParameter(String parameter, String parameterValue) {
String v = "";
if(null != parameterValue) {
v = parameterValue.trim();
}
this.parameters.put(parameter, v);
}
/**
* 返回所有的参数
* @return SortedMap
*/
public SortedMap getAllParameters() {
return this.parameters;
}
/**
*获取密钥
*/
public String getKey() {
return key;
}
/*
* 功能描述:设置密钥
* @param: * @param key
* @return: void
* @auther: duyuanyuan
* @date: 2019/1/10 15:25
*/
public void setKey(String key) {
this.key = key;
}
public String getCharset() {
return this.charset;
}
public void setCharset(String charset) {
this.charset = charset;
}
/*
* 功能描述:是否财付通签名,规则是:按参数名称a-z排序,遇到空值的参数不参加签名。
* @param: * @param
* @return: boolean
* @auther: duyuanyuan
* @date: 2019/1/10 15:25
*/
public boolean isTenpaySign() {
StringBuffer sb = new StringBuffer();
Set es = this.parameters.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=" + this.getKey());
//算出摘要
String sign = MD5Util.MD5Encode(sb.toString(), this.charset).toLowerCase();
String tenpaySign = this.getParameter("sign").toLowerCase();
return tenpaySign.equals(sign);
}
/*
* 功能描述:是否财付通签名
* @param signParameterArray 签名的参数数组
* @return: boolean
* @auther: duyuanyuan
* @date: 2019/1/10 15:24
*/
protected boolean isTenpaySign(String signParameterArray[]) {
StringBuffer signPars = new StringBuffer();
for(int index = 0; index < signParameterArray.length; index++) {
String k = signParameterArray[index];
String v = this.getParameter(k);
if(null != v && !"".equals(v)) {
signPars.append(k + "=" + v + "&");
}
}
signPars.append("key=" + this.getKey());
//算出摘要
String sign = MD5Util.MD5Encode(
signPars.toString(), this.charset).toLowerCase();
String tenpaySign = this.getParameter("sign").toLowerCase();
return tenpaySign.equals(sign);
}
/*
* 功能描述:解析XML内容
* @param: * @param
* @return: void
* @auther: duyuanyuan
* @date: 2019/1/10 15:25
*/
protected void doParse() throws JDOMException, IOException {
String xmlContent = this.getContent();
//解析xml,得到map
Map m = XMLUtil.doXMLParse(xmlContent);
//设置参数
Iterator it = m.keySet().iterator();
while(it.hasNext()) {
String k = (String) it.next();
String v = (String) m.get(k);
this.setParameter(k, v);
}
}
}
ConstantUtil.java
public class ConstantUtil {
/**
* 微信开发平台应用ID
*/
public static final String APP_ID="";
/**
* 应用对应的凭证
*/
public static final String APP_SECRET="";
/**
* 应用对应的密钥
*/
public static final String APP_KEY="";
/**
* 微信支付商户号
*/
public static final String MCH_ID="";
/**
* 商品描述
*/
public static final String BODY="";
/**
* 商户号对应的密钥
*/
public static final String PARTNER_key="";
/**
* 商户id
*/
public static final String PARTNER_ID="";
/**
* 常量固定值
*/
public static final String GRANT_TYPE="client_credential";
/**
* 获取预支付id的接口url
*/
public static String GATEURL = "https://api.mch.weixin.qq.com/pay/unifiedorder";
/**
* 微信服务器回调通知url
*/
public static String NOTIFY_URL="http://192.168.1.114:8079/getnotifyTenPay.do";
}
MD5Util.java
import java.security.MessageDigest;
public class MD5Util {
/**
* MD5加密
* @param b
* @return
*/
private static String byteArrayToHexString(byte b[]) {
StringBuffer resultSb = new StringBuffer();
for (int i = 0; i < b.length; i++)
resultSb.append(byteToHexString(b[i]));
return resultSb.toString();
}
private static String byteToHexString(byte b) {
int n = b;
if (n < 0)
n += 256;
int d1 = n / 16;
int d2 = n % 16;
return hexDigits[d1] + hexDigits[d2];
}
public static String MD5Encode(String origin, String charsetname) {
String resultString = null;
try {
resultString = new String(origin);
MessageDigest md = MessageDigest.getInstance("MD5");
if (charsetname == null || "".equals(charsetname))
resultString = byteArrayToHexString(md.digest(resultString
.getBytes()));
else
resultString = byteArrayToHexString(md.digest(resultString
.getBytes(charsetname)));
} catch (Exception exception) {
}
return resultString;
}
private static final String hexDigits[] = { "0", "1", "2", "3", "4", "5",
"6", "7", "8", "9", "a", "b", "c", "d", "e", "f" };
}
PrepayIdRequestHandler.java
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import java.util.Iterator;
import java.util.Map;
import java.util.Set;
public class PrepayIdRequestHandler extends RequestHandler {
public PrepayIdRequestHandler(HttpServletRequest request,
HttpServletResponse response) {
super(request, response);
}
public String createMD5Sign() {
StringBuffer sb = new StringBuffer();
Set es = super.getAllParameters().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();
sb.append(k + "=" + v + "&");
}
String params=sb.append("key="+ ConstantUtil.APP_KEY).substring(0);
String sign = MD5Util.MD5Encode(params, "utf8");
return sign.toUpperCase();
}
// 提交预支付
public String sendPrepay() throws Exception {
String prepayid = "";
Set es=super.getAllParameters().entrySet();
Iterator it=es.iterator();
StringBuffer sb = new StringBuffer("<xml>");
while(it.hasNext()){
Map.Entry entry = (Map.Entry) it.next();
String k = (String) entry.getKey();
String v = (String) entry.getValue();
sb.append("<"+k+">"+v+"</"+k+">");
}
sb.append("</xml>");
String params=sb.substring(0);
System.out.println("请求参数："+params);
String requestUrl = super.getGateUrl();
System.out.println("请求url："+requestUrl);
TenpayHttpClient httpClient = new TenpayHttpClient();
httpClient.setReqContent(requestUrl);
String resContent = "";
if (httpClient.callHttpPost(requestUrl, params)) {
resContent = httpClient.getResContent();
System.out.println("获取prepayid的返回值："+resContent);
Map<String,String> map= XMLUtil.doXMLParse(resContent);
if(map.containsKey("prepay_id"))
prepayid=map.get("prepay_id");
}
return prepayid;
}
}RequestHandler.java
import com.taiyi.stocklisted.weixinUtil.MD5Util;
import com.taiyi.stocklisted.weixinUtil.TenpayUtil;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import java.io.IOException;
import java.io.UnsupportedEncodingException;
import java.net.URLEncoder;
import java.util.*;
/**
* 请求处理类
* 请求处理类继承此类，重写createSign方法即可。
*
*/
public class RequestHandler {
/** 网关url地址 */
private String gateUrl;
/** 密钥 */
private String key;
/** 请求的参数 */
private SortedMap parameters;
protected HttpServletRequest request;
protected HttpServletResponse response;
/**
* 构造函数
* @param request
* @param response
*/
public RequestHandler(HttpServletRequest request, HttpServletResponse response) {
this.request = request;
this.response = response;
this.gateUrl = "https://gw.tenpay.com/gateway/pay.htm";
this.key = "";
this.parameters = new TreeMap();
}
/**
*初始化函数。
*/
public void init() {
//nothing to do
}
/**
*获取入口地址,不包含参数值
*/
public String getGateUrl() {
return gateUrl;
}
/**
*设置入口地址,不包含参数值
*/
public void setGateUrl(String gateUrl) {
this.gateUrl = gateUrl;
}
/**
*获取密钥
*/
public String getKey() {
return key;
}
/**
*设置密钥
*/
public void setKey(String key) {
this.key = key;
}
/**
* 获取参数值
* @param parameter 参数名称
* @return String
*/
public String getParameter(String parameter) {
String s = (String)this.parameters.get(parameter);
return (null == s) ? "" : s;
}
/**
* 设置参数值
* @param parameter 参数名称
* @param parameterValue 参数值
*/
public void setParameter(String parameter, Object parameterValue) {
String v = "";
if(null != parameterValue) {
if(parameterValue instanceof String)
v = ((String) parameterValue).trim();
}
this.parameters.put(parameter, v);
}
/**
* 返回所有的参数
* @return SortedMap
*/
public SortedMap getAllParameters() {
return this.parameters;
}
/**
* 获取带参数的请求URL
* @return String
* @throws UnsupportedEncodingException
*/
public String getRequestURL() throws UnsupportedEncodingException {
this.createSign();
StringBuffer sb = new StringBuffer();
String enc = TenpayUtil.getCharacterEncoding(this.request, this.response);
Set es = this.parameters.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(!"spbill_create_ip".equals(k)) {
sb.append(k + "=" + URLEncoder.encode(v, enc) + "&");
} else {
sb.append(k + "=" + v.replace("\\.", "%2E") + "&");
}
}
//去掉最后一个&
String reqPars = sb.substring(0, sb.lastIndexOf("&"));
return this.getGateUrl() + "?" + reqPars;
}
public void doSend() throws UnsupportedEncodingException, IOException {
this.response.sendRedirect(this.getRequestURL());
}
/**
* 创建md5摘要,规则是:按参数名称a-z排序,遇到空值的参数不参加签名。
*/
protected void createSign() {
StringBuffer sb = new StringBuffer();
Set es = this.parameters.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(null != v && !"".equals(v)
&& !"sign".equals(k) && !"key".equals(k)) {
sb.append(k + "=" + v + "&");
}
}
sb.append("key=" + this.getKey());
String enc = TenpayUtil.getCharacterEncoding(this.request, this.response);
String sign = MD5Util.MD5Encode(sb.toString(), enc).toUpperCase();
this.setParameter("sign", sign);
}
protected HttpServletRequest getHttpServletRequest() {
return this.request;
}
protected HttpServletResponse getHttpServletResponse() {
return this.response;
}
}ResponseHandler.java
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import java.io.IOException;
import java.io.PrintWriter;
import java.io.UnsupportedEncodingException;
import java.util.*;
/**
* 应答处理类
* 应答处理类继承此类，重写isTenpaySign方法即可。
*
*/
public class ResponseHandler {
/** 密钥 */
private String key;
/** 应答的参数 */
private SortedMap parameters;
private HttpServletRequest request;
private HttpServletResponse response;
private String uriEncoding;
/**
* 构造函数
*
* @param request
* @param response
*/
public ResponseHandler(HttpServletRequest request,
HttpServletResponse response) {
this.request = request;
this.response = response;
this.key = "";
this.parameters = new TreeMap();
this.uriEncoding = "";
Map m = this.request.getParameterMap();
Iterator it = m.keySet().iterator();
while (it.hasNext()) {
String k = (String) it.next();
String v = ((String[]) m.get(k))[0];
this.setParameter(k, v);
}
}
/**
*获取密钥
*/
public String getKey() {
return key;
}
/**
*设置密钥
*/
public void setKey(String key) {
this.key = key;
}
/**
* 获取参数值
* @param parameter 参数名称
* @return String
*/
public String getParameter(String parameter) {
String s = (String)this.parameters.get(parameter);
return (null == s) ? "" : s;
}
/**
* 设置参数值
* @param parameter 参数名称
* @param parameterValue 参数值
*/
public void setParameter(String parameter, String parameterValue) {
String v = "";
if(null != parameterValue) {
v = parameterValue.trim();
}
this.parameters.put(parameter, v);
}
/**
* 返回所有的参数
* @return SortedMap
*/
public SortedMap getAllParameters() {
return this.parameters;
}
/**
* 是否财付通签名,规则是:按参数名称a-z排序,遇到空值的参数不参加签名。
* @return boolean
*/
public boolean isTenpaySign() {
StringBuffer sb = new StringBuffer();
Set es = this.parameters.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=" + this.getKey());
//算出摘要
String enc = TenpayUtil.getCharacterEncoding(this.request, this.response);
String sign = MD5Util.MD5Encode(sb.toString(), enc).toLowerCase();
String tenpaySign = this.getParameter("sign").toLowerCase();
return tenpaySign.equals(sign);
}
/**
* 返回处理结果给财付通服务器。
* @param msg: Success or fail。
* @throws IOException
*/
public void sendToCFT(String msg) throws IOException {
String strHtml = msg;
PrintWriter out = this.getHttpServletResponse().getWriter();
out.println(strHtml);
out.flush();
out.close();
}
/**
* 获取uri编码
* @return String
*/
public String getUriEncoding() {
return uriEncoding;
}
/**
* 设置uri编码
* @param uriEncoding
* @throws UnsupportedEncodingException
*/
public void setUriEncoding(String uriEncoding)
throws UnsupportedEncodingException {
if (!"".equals(uriEncoding.trim())) {
this.uriEncoding = uriEncoding;
// 编码转换
String enc = TenpayUtil.getCharacterEncoding(request, response);
Iterator it = this.parameters.keySet().iterator();
while (it.hasNext()) {
String k = (String) it.next();
String v = this.getParameter(k);
v = new String(v.getBytes(uriEncoding.trim()), enc);
this.setParameter(k, v);
}
}
}
protected HttpServletRequest getHttpServletRequest() {
return this.request;
}
protected HttpServletResponse getHttpServletResponse() {
return this.response;
}
}TenpayHttpClient.java
import javax.net.ssl.HttpsURLConnection;
import javax.net.ssl.SSLContext;
import javax.net.ssl.SSLSocketFactory;
import java.io.BufferedOutputStream;
import java.io.IOException;
import java.io.InputStream;
import java.net.HttpURLConnection;
public class TenpayHttpClient {
/** 请求内容，无论post和get，都用get方式提供 */
private String reqContent;
/** 应答内容 */
private String resContent;
/** 请求方法 */
private String method;
/** 错误信息 */
private String errInfo;
/** 超时时间,以秒为单位 */
private int timeOut;
/** http应答编码 */
private int responseCode;
/** 字符编码 */
private String charset;
private InputStream inputStream;
public TenpayHttpClient() {
this.reqContent = "";
this.resContent = "";
this.method = "POST";
this.errInfo = "";
this.timeOut = 30;//30秒
this.responseCode = 0;
this.charset = "utf8";
this.inputStream = null;
}
/**
* 设置请求内容
* @param reqContent 表求内容
*/
public void setReqContent(String reqContent) {
this.reqContent = reqContent;
}
/**
* 获取结果内容
* @return String
* @throws IOException
*/
public String getResContent() {
try {
this.doResponse();
} catch (IOException e) {
this.errInfo = e.getMessage();
//return "";
}
return this.resContent;
}
/**
* 设置请求方法post或者get
* @param method 请求方法post/get
*/
public void setMethod(String method) {
this.method = method;
}
/**
* 获取错误信息
* @return String
*/
public String getErrInfo() {
return this.errInfo;
}
/**
* 设置超时时间,以秒为单位
* @param timeOut 超时时间,以秒为单位
*/
public void setTimeOut(int timeOut) {
this.timeOut = timeOut;
}
/**
* 获取http状态码
* @return int
*/
public int getResponseCode() {
return this.responseCode;
}
protected void callHttp() throws IOException {
if("POST".equals(this.method.toUpperCase())) {
String url = HttpClientUtil.getURL(this.reqContent);
String queryString = HttpClientUtil.getQueryString(this.reqContent);
byte[] postData = queryString.getBytes(this.charset);
this.httpPostMethod(url, postData);
return ;
}
this.httpGetMethod(this.reqContent);
}
public boolean callHttpPost(String url, String postdata) {
boolean flag = false;
byte[] postData;
try {
postData = postdata.getBytes(this.charset);
this.httpPostMethod(url, postData);
flag = true;
} catch (IOException e1) {
e1.printStackTrace();
}
return flag;
}
/**
* 以http post方式通信
* @param url
* @param postData
* @throws IOException
*/
protected void httpPostMethod(String url, byte[] postData)
throws IOException {
HttpURLConnection conn = HttpClientUtil.getHttpURLConnection(url);
this.doPost(conn, postData);
}
/**
* 以http get方式通信
*
* @param url
* @throws IOException
*/
protected void httpGetMethod(String url) throws IOException {
HttpURLConnection httpConnection =
HttpClientUtil.getHttpURLConnection(url);
this.setHttpRequest(httpConnection);
httpConnection.setRequestMethod("GET");
this.responseCode = httpConnection.getResponseCode();
this.inputStream = httpConnection.getInputStream();
}
/**
* 以https get方式通信
* @param url
* @param sslContext
* @throws IOException
*/
protected void httpsGetMethod(String url, SSLContext sslContext)
throws IOException {
SSLSocketFactory sf = sslContext.getSocketFactory();
HttpsURLConnection conn = HttpClientUtil.getHttpsURLConnection(url);
conn.setSSLSocketFactory(sf);
this.doGet(conn);
}
protected void httpsPostMethod(String url, byte[] postData,
SSLContext sslContext) throws IOException {
SSLSocketFactory sf = sslContext.getSocketFactory();
HttpsURLConnection conn = HttpClientUtil.getHttpsURLConnection(url);
conn.setSSLSocketFactory(sf);
this.doPost(conn, postData);
}
/**
* 设置http请求默认属性
* @param httpConnection
*/
protected void setHttpRequest(HttpURLConnection httpConnection) {
//设置连接超时时间
httpConnection.setConnectTimeout(this.timeOut * 1000);
//不使用缓存
httpConnection.setUseCaches(false);
//允许输入输出
httpConnection.setDoInput(true);
httpConnection.setDoOutput(true);
}
/**
* 处理应答
* @throws IOException
*/
protected void doResponse() throws IOException {
if(null == this.inputStream) {
return;
}
//获取应答内容
this.resContent=HttpClientUtil.InputStreamTOString(this.inputStream,this.charset);
//关闭输入流
this.inputStream.close();
}
/**
* post方式处理
* @param conn
* @param postData
* @throws IOException
*/
protected void doPost(HttpURLConnection conn, byte[] postData)
throws IOException {
// 以post方式通信
conn.setRequestMethod("POST");
// 设置请求默认属性
this.setHttpRequest(conn);
// Content-Type
conn.setRequestProperty("Content-Type",
"application/x-www-form-urlencoded");
BufferedOutputStream out = new BufferedOutputStream(conn
.getOutputStream());
final int len = 1024; // 1KB
HttpClientUtil.doOutput(out, postData, len);
// 关闭流
out.close();
// 获取响应返回状态码
this.responseCode = conn.getResponseCode();
// 获取应答输入流
this.inputStream = conn.getInputStream();
}
/**
* get方式处理
* @param conn
* @throws IOException
*/
protected void doGet(HttpURLConnection conn) throws IOException {
//以GET方式通信
conn.setRequestMethod("GET");
//设置请求默认属性
this.setHttpRequest(conn);
//获取响应返回状态码
this.responseCode = conn.getResponseCode();
//获取应答输入流
this.inputStream = conn.getInputStream();
}
}
TenpayUtil.java
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import java.text.SimpleDateFormat;
import java.util.Date;
public class TenpayUtil {
/**
* 把对象转换成字符串
* @param obj
* @return String 转换成字符串,若对象为null,则返回空字符串.
*/
public static String toString(Object obj) {
if(obj == null)
return "";
return obj.toString();
}
/**
* 把对象转换为int数值.
*
* @param obj
* 包含数字的对象.
* @return int 转换后的数值,对不能转换的对象返回0。
*/
public static int toInt(Object obj) {
int a = 0;
try {
if (obj != null)
a = Integer.parseInt(obj.toString());
} catch (Exception e) {
}
return a;
}
/**
* 获取当前时间 yyyyMMddHHmmss
* @return String
*/
public static String getCurrTime() {
Date now = new Date();
SimpleDateFormat outFormat = new SimpleDateFormat("yyyyMMddHHmmss");
String s = outFormat.format(now);
return s;
}
/**
* 获取当前日期 yyyyMMdd
* @param date
* @return String
*/
public static String formatDate(Date date) {
SimpleDateFormat formatter = new SimpleDateFormat("yyyyMMdd");
String strDate = formatter.format(date);
return strDate;
}
/**
* 取出一个指定长度大小的随机正整数.
*
* @param length
* int 设定所取出随机数的长度。length小于11
* @return int 返回生成的随机数。
*/
public static int buildRandom(int length) {
int num = 1;
double random = Math.random();
if (random < 0.1) {
random = random + 0.1;
}
for (int i = 0; i < length; i++) {
num = num * 10;
}
return (int) ((random * num));
}
/**
* 获取编码字符集
* @param request
* @param response
* @return String
*/
public static String getCharacterEncoding(HttpServletRequest request,
HttpServletResponse response) {
if(null == request || null == response) {
return "gbk";
}
String enc = request.getCharacterEncoding();
if(null == enc || "".equals(enc)) {
enc = response.getCharacterEncoding();
}
if(null == enc || "".equals(enc)) {
enc = "gbk";
}
return enc;
}
/**
* 获取unix时间，从1970-01-01 00:00:00开始的秒数
* @param date
* @return long
*/
public static long getUnixTime(Date date) {
if( null == date ) {
return 0;
}
return date.getTime()/1000;
}
/**
* 时间转换成字符串
* @param date 时间
* @param formatType 格式化类型
* @return String
*/
public static String date2String(Date date, String formatType) {
SimpleDateFormat sdf = new SimpleDateFormat(formatType);
return sdf.format(date);
}
}
UUID.java
import java.util.Date;
public class UUID {
private static Date date = new Date();
private static StringBuilder buf = new StringBuilder();
private static int seq = 0;
private static final int ROTATION = 99999;
public static synchronized long next() {
if (seq > ROTATION)
seq = 0;
buf.delete(0, buf.length());
date.setTime(System.currentTimeMillis());
String str = String.format("%1$tY%1$tm%1$td%1$tk%1$tM%1$tS%2$05d", date, seq++);
return Long.parseLong(str);
}
private UUID(){
}
}
WXUtil.java
import java.util.Random;
public class WXUtil {
/**
* 生成随机字符串
* @return
*/
public static String getNonceStr() {
Random random = new Random();
return MD5Util.MD5Encode(String.valueOf(random.nextInt(10000)), "utf8");
}
/**
* 获取时间戳
* @return
*/
public static String getTimeStamp() {
return String.valueOf(System.currentTimeMillis() / 1000);
}
}
XMLUtil.java
import java.io.IOException;
import java.io.InputStream;
import java.util.HashMap;
import java.util.Iterator;
import java.util.List;
import java.util.Map;
import java.util.Map.Entry;
import java.util.Set;
import org.jdom.Document;
import org.jdom.Element;
import org.jdom.JDOMException;
import org.jdom.input.SAXBuilder;
import java.io.ByteArrayInputStream;
public class XMLUtil {
/**
* 解析xml,返回第一级元素键值对。如果第一级元素有子节点，则此节点的值是子节点的xml数据。
* @param strxml
* @return
* @throws JDOMException
* @throws IOException
*/
public static Map doXMLParse(String strxml) throws JDOMException, IOException {
strxml = strxml.replaceFirst("encoding=\".*\"", "encoding=\"UTF-8\"");
if(null == strxml || "".equals(strxml)) {
return null;
}
Map m = new HashMap();
InputStream in = new ByteArrayInputStream(strxml.getBytes("UTF-8"));
SAXBuilder builder = new SAXBuilder();
Document doc = builder.build(in);
Element root = doc.getRootElement();
List list = root.getChildren();
Iterator it = list.iterator();
while(it.hasNext()) {
Element e = (Element) it.next();
String k = e.getName();
String v = "";
List children = e.getChildren();
if(children.isEmpty()) {
v = e.getTextNormalize();
} else {
v = XMLUtil.getChildrenText(children);
}
m.put(k, v);
}
//关闭流
in.close();
return m;
}
/**
* 获取子结点的xml
* @param children
* @return String
*/
public static String getChildrenText(List children) {
StringBuffer sb = new StringBuffer();
if(!children.isEmpty()) {
Iterator it = children.iterator();
while(it.hasNext()) {
Element e = (Element) it.next();
String name = e.getName();
String value = e.getTextNormalize();
List list = e.getChildren();
sb.append("<" + name + ">");
if(!list.isEmpty()) {
sb.append(XMLUtil.getChildrenText(list));
}
sb.append(value);
sb.append("</" + name + ">");
}
}
return sb.toString();
}
/**
* 获取xml编码字符集
* @param strxml
* @return
* @throws IOException
* @throws JDOMException
*/
public static String getXMLEncoding(String strxml) throws JDOMException, IOException {
InputStream in = HttpClientUtil.String2Inputstream(strxml);
SAXBuilder builder = new SAXBuilder();
Document doc = builder.build(in);
in.close();
return (String)doc.getProperty("encoding");
}
/**
* 支付成功，返回微信那服务器
* @param return_code
* @param return_msg
* @return
*/
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>";
}
public static String createXML(Map<String,Object> map){
Set<Entry<String,Object>> set=map.entrySet();
set.iterator();
return null;
}
}至此微信调用就已完成，祝你成功！