这里有新鲜出炉的Java设计模式,程序狗速度看过来!
java 是一种可以撰写跨平台应用软件的面向对象的程序设计语言,是由Sun Microsystems公司于1995年5月推出的Java程序设计语言和Java平台(即JavaEE(j2ee), JavaME(j2me), JavaSE(j2se))的总称。
这篇文章主要为大家详细介绍了微信APP支付Java代码,感兴趣的小伙伴们可以参考一下
- import java.io.IOException;
- import java.io.UnsupportedEncodingException;
- import java.util.Random;
- import org.apache.http.ParseException;
- import org.apache.http.client.ClientProtocolException;
- import org.apache.http.client.methods.HttpPost;
- import org.apache.http.entity.StringEntity;
- import org.apache.http.impl.client.DefaultHttpClient;
- import org.apache.http.util.EntityUtils;
- import org.json.JSONArray;
- import org.json.JSONML;
- import org.json.JSONObject;
- public class Test {
- private static final String appid = "wx0378bf81abfe3d26"; //自己设置
- private static final int mch_id = 1252196606; //自己设置
- private static final String api_key = "b8b9c2bbe92d57cc38fde49745056167"; //自己设置
- private static final String notify_url = "http://www.xxx.com/weixin_notify_url.jsp"; //自己设置
- private static final String trade_type = "APP"; //
- public static void main(String[] args) {
- postToWeChat("5455545", "test", 0.01);
- postToWeChat("5455545", "中文", 0.01); //会失败
- }
- /**
- * 提交到微信
- *
- * @param out_trade_no
- * 自己系统的订单号
- * @param body
- * 标题
- * @param money
- * 金额
- * @return
- */
- private static JSONObject postToWeChat(String out_trade_no, String body, double money) {
- StringBuilder xml = new StringBuilder();
- String nonce_str = getRandomString(32);
- String ip = "127.0.0.1"; // 客户端IP自己处理
- JSONObject jso = new JSONObject();
- String prepay_id = "",
- sign = "";
- try {
- String weixinMoney = new java.text.DecimalFormat("#").format(money * 100); // 微信是以分为单位的所以要乘以100
- xml.append("appid=").append(appid).append("&body=").append(new String(body.getBytes("UTF-8"), "utf-8"));
- xml.append("&mch_id=").append(mch_id).append("&nonce_str=").append(nonce_str);
- xml.append("¬ify_url=").append(notify_url).append("&out_trade_no=").append(out_trade_no).append("&spbill_create_ip=").append(ip);
- xml.append("&total_fee=").append(weixinMoney).append("&trade_type=").append(trade_type).append("&key=").append(api_key);
- sign = new Util().MD5Purity(xml.toString()).toUpperCase(); // MD5加密签名加密类自己解决就不放上来了
- xml.delete(0, xml.length());
- xml.append("<xml>");
- xml.append(" <appid>").append(appid).append("</appid>");
- xml.append(" <body>").append(body).append("</body>");
- xml.append(" <mch_id>").append(mch_id).append("</mch_id>");
- xml.append(" <nonce_str>").append(nonce_str).append("</nonce_str>");
- xml.append(" <notify_url>").append(notify_url).append("</notify_url>");
- xml.append(" <out_trade_no>").append(out_trade_no).append("</out_trade_no>");
- xml.append(" <spbill_create_ip>").append(ip).append("</spbill_create_ip>");
- xml.append(" <total_fee>").append(weixinMoney).append("</total_fee>");
- xml.append(" <trade_type>").append(trade_type).append("</trade_type>");
- xml.append(" <sign>").append(sign).append("</sign>");
- xml.append("</xml>");
- HttpPost post = new HttpPost("https://api.mch.weixin.qq.com/pay/unifiedorder");
- StringEntity entity = new StringEntity(xml.toString(), "UTF-8");
- entity.setContentEncoding("utf-8");
- entity.setContentType("text/xml");
- post.setEntity(entity);
- JSONArray childNodes = JSONML.toJSONObject(EntityUtils.toString(new DefaultHttpClient().execute(post).getEntity(), "utf-8")).getJSONArray("childNodes");
- System.out.println(childNodes);
- int len = childNodes.length() - 1;
- for (int i = len; i > -1; i--) {
- JSONObject js = childNodes.getJSONObject(i);
- if (js.get("tagName").equals("prepay_id")) {
- prepay_id = js.getJSONArray("childNodes").getString(0);
- break;
- }
- }
- } catch(UnsupportedEncodingException e) {
- e.printStackTrace();
- } catch(ParseException e) {
- e.printStackTrace();
- } catch(ClientProtocolException e) {
- e.printStackTrace();
- } catch(IOException e) {
- e.printStackTrace();
- }
- jso.put("sign", sign);
- jso.put("appid", appid);
- jso.put("noncestr", nonce_str);
- jso.put("package", "Sign=WXPay");
- jso.put("partnerid", mch_id);
- jso.put("prepayid", prepay_id);
- jso.put("timestamp", System.currentTimeMillis());
- return jso;
- }
- /**
- * 表示生成字符串的长度
- *
- * @param length
- * @return
- */
- private static String getRandomString(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();
- }
- }
来源: http://www.phperz.com/article/17/1116/360444.html