微信硬件控制接入案例SpringMVC+WeUI+jsapi

package com.lanya.util; import java.io.BufferedReader; import java.io.IOException; import java.io.InputStreamReader; import java.io.UnsupportedEncodingException; import java.net.MalformedURLException; import java.net.URL; import java.net.URLConnection; import java.security.MessageDigest; import java.security.NoSuchAlgorithmException; import java.util.Formatter; import java.util.HashMap; import java.util.Map; import java.util.UUID; import net.sf.json.JSONObject; /*** * * @author vxzsk.com原创 * */ public class WeChatUtil { public final static String getticket_url="https://api.weixin.qq.com/cgi-bin/ticket/getticket?access_token=";//接口凭据 /*** * 模拟get请求 * @param url * @param charset * @param timeout * @return */ public static String sendGet(String url, String charset, int timeout) { String result = ""; try { URL u = new URL(url); try { URLConnection conn = u.openConnection(); conn.connect(); conn.setConnectTimeout(timeout); BufferedReader in = new BufferedReader(new InputStreamReader(conn.getInputStream(), charset)); String line=""; while ((line = in.readLine()) != null) { result = result + line; } in.close(); } catch (IOException e) { return result; } } catch (MalformedURLException e) { return result; } return result; } /*** * 获取调用微信jsapi接口凭据 * @param access_token * @return * V型知识库www.vxzsk.com原创 */ public static String getJsapiTicket(String access_token){ String jsonData=HttpUtil.sendGet(getticket_url+access_token+"&type=jsapi", "utf-8", 30000); JSONObject jsonObj = JSONObject.fromObject(jsonData); String errcode = jsonObj.getString("errcode"); String ticket = null; if(errcode.equals("0")){ ticket = jsonObj.getString("ticket"); } return ticket; } /*** * 获取accessToken * @param appid 你公众号基本设置里的应用id * @param appSecret 你公众号基本设置里的应用密钥 * V型知识库www.vxzsk.com原创 * @return */ public static String getAccessToken(String appid,String appSecret){ String url ="https://api.weixin.qq.com/cgi-bin/token?grant_type=client_credential&appid="+appid+"&secret="+appSecret+""; String backData=WeChatUtil.sendGet(url, "utf-8", 10000); System.out.println("返回："+backData); JSONObject json = JSONObject.fromObject(backData); String access_token = json.getString("access_token"); return access_token; } /*** * 获取界面调用jsapi的所需参数 * @param jsapi_ticket 凭据 * @param url 界面请求地址 * @return */ public static Map<String, String> sign(String jsapi_ticket, String url) { Map<String, String> ret = new HashMap<String, String>(); 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); } /** * @param args */ public static void main(String[] args) { String appid="你公众号基本设置里的应用id";//应用ID String appSecret="你公众号基本设置里的应用密钥";//(应用密钥) String url ="https://api.weixin.qq.com/cgi-bin/token?grant_type=client_credential&appid="+appid+"&secret="+appSecret+""; String backData=WeChatUtil.sendGet(url, "utf-8", 10000); System.out.println("返回："+backData); JSONObject json = JSONObject.fromObject(backData); String access_token = json.getString("access_token"); } }