JAVA H5微信分享-白红宇

JAVA H5微信分享

阅读量：5137 次

发布时间：2019-06-13

本文共 3656 字，大约阅读时间需要 12 分钟。

一、前台代码：

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二、java后台代码：

package com.unionpay.acp.sdk;import java.util.UUID;import java.util.Map;import java.util.HashMap;import java.util.Formatter;import java.security.MessageDigest;import java.security.NoSuchAlgorithmException;import java.io.UnsupportedEncodingException;import net.sf.json.JSONObject;import com.xx.common.config.Global;import com.unionpay.acp.sdk.HttpClient;/*** 微信分享签名**/public class Sign {public static void main(String[] args) {// String jsapi_ticket = "kgt8ON7yVITDhtdwci0qecRXz9HyXuyXgIslzmd3ri0s5EnLrVZZfrPJotRfKWQ-TTuQ2ZMAK86GUlWF1PHhcg";};public static Map
      
        getResult(){// String jsapi_ticket = getTicket();// 注意 URL 一定要动态获取，不能 hardcodeString url = "http://www.xx.com/operation/mybusi/barcode";// String url = Global.getConfig("wx.shareUrl");Map
       
         ret = sign(getTicket(), url);ret.put("appId", getAppId());return ret;}private static String getAppId(){return Global.getConfig("wx.appid");}private static String getToken(){String accessToken = "";String url = "https://api.weixin.qq.com/cgi-bin/token?grant_type=client_credential&appid="+getAppId()+"&secret="+Global.getConfig("wx.secret");HttpClient hc = new HttpClient(url, 30000, 30000);try {int status = hc.sendGet("utf-8");if (200 == status) {String resultString = hc.getResult();if (null != resultString && !"".equals(resultString)) {JSONObject json = JSONObject.fromObject(resultString);if (null==json.get("errcode")){accessToken = json.get("access_token").toString();} else {System.out.println(resultString);}}}else{System.out.println("返回http状态码["+status+"]，请检查请求报文或者请求地址是否正确");}} catch (Exception e) {e.printStackTrace();}return accessToken;}private static String getTicket(){String ticket = "";String url = "https://api.weixin.qq.com/cgi-bin/ticket/getticket?access_token="+getToken()+"&type=jsapi";HttpClient hc = new HttpClient(url, 30000, 30000);try {int status = hc.sendGet("utf-8");if (200 == status) {String resultString = hc.getResult();if (null != resultString && !"".equals(resultString)) {JSONObject json = JSONObject.fromObject(resultString);if ("0".equals(json.getString("errcode"))){ticket = json.getString("ticket");} else {System.out.println(resultString);}}}else{System.out.println("返回http状态码["+status+"]，请检查请求报文或者请求地址是否正确");}} catch (Exception e) {e.printStackTrace();}return ticket;}public static Map
        
          sign(String jsapi_ticket, String url) {Map
         
           ret = new HashMap
          
           ();String nonce_str = create_nonce_str();String timestamp = create_timestamp();String string1;String signature = "";//注意这里参数名必须全部小写，且必须有序string1 = "jsapi_ticket=" + jsapi_ticket +"&noncestr=" + nonce_str +"&timestamp=" + timestamp +"&url=" + url;System.out.println(string1);try{MessageDigest crypt = MessageDigest.getInstance("SHA-1");crypt.reset();crypt.update(string1.getBytes("UTF-8"));signature = byteToHex(crypt.digest());}catch (NoSuchAlgorithmException e){e.printStackTrace();}catch (UnsupportedEncodingException e){e.printStackTrace();}ret.put("url", url);ret.put("jsapi_ticket", jsapi_ticket);ret.put("nonceStr", nonce_str);ret.put("timestamp", timestamp);ret.put("signature", signature);return ret;}private static String byteToHex(final byte[] hash) {Formatter formatter = new Formatter();for (byte b : hash){formatter.format("%02x", b);}String result = formatter.toString();formatter.close();return result;}private static String create_nonce_str() {return UUID.randomUUID().toString();}private static String create_timestamp() {return Long.toString(System.currentTimeMillis() / 1000);}}