微信APP支付Java代码
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2024-03-31 21:05:22
本文实例为大家分享了java微信app支付代码,供大家参考,具体内容如下
import java.io.ioexception;
import java.io....
本文实例为大家分享了java微信app支付代码,供大家参考,具体内容如下
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(); } }
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