本文为大家分享了java微信公众号企业付款的开发代码，供大家参考，具体内容如下
详情参照微信开发者文档 企业付款文档
java代码 定义所传递的参数
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@requestmapping(value = "zhifu", method = requestmethod.get)
public @responsebody string getweixinopenid(string code,
httpservletrequest request)
{
// 订单号 自定义 生成32位uuid
string partner_trade_no = uuidgenerator.getuuid();
// 随机数
string nonce_str = uuidgenerator.getuuid();
// 转账金额(分为单位)1-200
int jine = 100;
// 企业付款信息
string desc = "转账";
// ip地址
string spbill_create_ip = "xx.xx.xx";
// re_user_name
string re_user_name = "xx";
string check_name = checkname.no_check.tostring();
string zfpath = "d:/apiclient_cert.p12";
try
{
// 获取openid
string openid = wechatutil.getbyopenid(appid, secret, code);
// 付款
boolean flag = wechatutil.enterprisepayment(openid, appid, mchid,
nonce_str, partner_trade_no, re_user_name, jine, desc,
spbill_create_ip, check_name, key, zfpath);
// 成功
if (flag)
{
return "success";
}
}
catch (exception e)
{
system.err.println(e.getstacktrace());
}
return "fail";
}
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获取关注本公众号用户唯一标示 获取openid
java代码 获取openid 静态方法
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/**
* 获取openid
*
* @description
* @param appid
* @param secret
* @param code
* @return
* @author shaomiao
*/
public static string getbyopenid(string appid, string secret, string code)
{
string url = "https://api.weixin.qq.com/sns/oauth2/access_token?appid="
+ appid + "&secret=" + secret + "&code=" + code
+ "&grant_type=authorization_code";
string jsonstring = wechatutil.getjsonstring(url);
jsonobject json1 = jsonobject.parseobject(jsonstring);
string openid = json1.get("openid").tostring();
return openid;
}
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企业付款的调用公共方法
java代码
post提交 xml参数
解析回调的xml
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/**
* 企业付款
*
* @description
* @param openid
* @param appid
* @param mchid 商户id
* @param nonce_str
* @param partner_trade_no
* @param re_user_name
* @param jine
* @param desc
* @param spbill_create_ip
* @param check_name
* @return
* @author jobs
* @throws ioexception
* @throws clientprotocolexception
*/
public static boolean enterprisepayment(string openid, string appid,
string mchid, string nonce_str, string partner_trade_no,
string re_user_name, int jine, string desc, string spbill_create_ip,
string check_name, string key, string zfpath) throws exception
{
boolean getsuccess = true;
if (null != openid)
{
// zf
map<string, string> params_map = new linkedhashmap<string, string>();
stringbuffer param = new stringbuffer();
// appid
param.append("mch_appid=" + appid);
// 商户id
param.append("&mchid=" + mchid);
// 随机字符串
// param.append("&nonce_str="
// + zifwutil.string2md5(new date().gettime() + ""));
param.append("&nonce_str=" + nonce_str);
// 订单号自定义
param.append("&partner_trade_no=" + partner_trade_no);
param.append("&openid=" + openid);
// 校验用户姓名选项
/**
* no_check：不校验真实姓名
* force_check：强校验真实姓名（未实名认证的用户会校验失败，无法转账）
* option_check：针对已实名认证的用户才校验真实姓名（未实名认证用户不校验，可以转账成功）
*/
param.append("&check_name=" + check_name);
// 收款用户姓名
param.append("&re_user_name=" + re_user_name);
// 金额
param.append("&amount=" + jine);
// 企业付款描述信息
param.append("&desc=" + desc);
// ip地址
param.append("&spbill_create_ip=" + spbill_create_ip);
string[] params = param.tostring().split("&");
arrays.sort(params);
param = new stringbuffer();
for (string p : params)
{
string[] value = p.split("=");
params_map.put(value[0], value[1]);
param.append(value[0] + "=" + value[1] + "&");
}
// 签名最后
string sign = zifwutil.string2md5(param.tostring() + "key=" + key)
.touppercase();
params_map.put("sign", sign);
string reqstr = zifwutil.toxml(params_map);
// zhengshu
closeablehttpclient httpclient = certificatevalidation(zfpath,
mchid);
httppost httppost = new httppost(
"https://api.mch.weixin.qq.com/mmpaymkttransfers/promotion/transfers");
stringentity myentity = new stringentity(reqstr, "utf-8");
httppost.setentity(myentity);
system.out.println("executing request" + httppost.getrequestline());
closeablehttpresponse response = httpclient.execute(httppost);
system.out.println(response.getstatusline());
httpentity resentity = response.getentity();
inputstreamreader reader = new inputstreamreader(
resentity.getcontent(), "utf-8");
char[] buff = new char[1024];
int length = 0;
stringbuffer strhuxml = new stringbuffer();
while ((length = reader.read(buff)) != -1)
{
strhuxml.append(new string(buff, 0, length));
system.out.println(new string(buff, 0, length));
}
// httpclient.close();
httpclient.getconnectionmanager().shutdown();
// string ret = zifwutil.post(
// "https://api.mch.weixin.qq.com/mmpaymkttransfers/promotion/transfers",
// reqstr);
// 解析传过来的xml
document document = documenthelper.parsetext(strhuxml.tostring());
// 得到xml根元素
element root = document.getrootelement();
// 得到根元素的所有子节点
list<element> elementlist = root.elements();
string errors = "";
for (element e : elementlist)
{
// result_code业务
if ("return_code".equals(e.getname())
&& !"success".equals(e.gettext()))
{
getsuccess = false;
}
if ("result_code".equals(e.getname())
&& !"success".equals(e.gettext()))
{
getsuccess = false;
}
}
}
return getsuccess;
}
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微信签名验证证书
验证证书公共方法
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/**
* 验证证书公共方法
*
* @description
* @param zfpath 证书的路径
* @param mchid 商户id
* @return
* @throws exception
* @author jobs
*/
// shanghuid
// 验证证书
@suppresswarnings("deprecation")
public static closeablehttpclient certificatevalidation(string zfpath,
string mchid) throws exception
{
// 指定读取证书格式为pkcs12
keystore keystore = keystore.getinstance("pkcs12");
// 证书地址
fileinputstream instream = new fileinputstream(new file(zfpath));
try
{
keystore.load(instream, mchid.tochararray());
}
finally
{
instream.close();
}
// trust own ca and all self-signed certs
sslcontext sslcontext = sslcontexts.custom()
.loadkeymaterial(keystore, mchid.tochararray()).build();
// allow tlsv1 protocol only
sslconnectionsocketfactory sslsf = new sslconnectionsocketfactory(
sslcontext, new string[] { "tlsv1" }, null,
sslconnectionsocketfactory.browser_compatible_hostname_verifier);
closeablehttpclient httpclient = httpclients.custom()
.setsslsocketfactory(sslsf).build();
return httpclient;
}
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微信公共方法 字符串转xml
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/**
* 微信支付拼接xml
*
* @param params
* @return
*/
public static string toxml(map<string, string> params)
{
string xml = "<xml>";
for (string key : params.keyset())
{
if ("body".equals(key) || "attach".equals(key)
|| "sign".equals(key))
{
xml += "<" + key + "><![cdata[" + params.get(key) + "]]></"
+ key + ">";
}
else
{
xml += "<" + key + ">" + params.get(key) + "</" + key + ">";
}
}
xml += "</xml>";
return xml;
}
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微信公共方法 字符串md5
加密
用来加密签名
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/***
* md5加码 生成32位md5码
*/
public static string string2md5(string instr)
{
stringbuffer buf = new stringbuffer();
try
{
messagedigest md = messagedigest.getinstance("md5");
md.update(instr.getbytes("utf-8"));
byte b[] = md.digest();
int i;
for (int offset = 0; offset < b.length; offset++)
{
i = b[offset];
if (i < 0)
i += 256;
if (i < 16)
buf.append("0");
buf.append(integer.tohexstring(i));
}
}
catch (exception e)
{
e.printstacktrace();
}
return buf.tostring();
}
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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/shaomiaojava/article/details/50562550