package com.test.util;
/***
* V型知识库 www.vxzsk.com
*/
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;
public class Sign {
public static void main(String[] args) {
String jsapi_ticket =JsapiTicketUtil.getJSApiTicket();;
// 注意 URL 一定要动态获取,不能 hardcode
String url = "http://www.vxzsk.com/xx/x.do";//url是你请求的一个action或者controller地址,并且方法直接跳转到使用jsapi的jsp界面
Map<String, String> ret = sign(jsapi_ticket, url);
for (Map.Entry entry : ret.entrySet()) {
System.out.println(entry.getKey() + ", " + entry.getValue());
}
};
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 +
"×tamp=" + 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);
}
}
package com.test.util;
import java.io.BufferedReader;
import java.io.IOException;
import java.io.InputStreamReader;
import java.net.MalformedURLException;
import java.net.URL;
import java.net.URLConnection;
import net.sf.json.JSONObject;
import com.test.weixin.TestAcessToken;
/***
* @author V型知识库 www.vxzsk.com
*
*/
public class JsapiTicketUtil {
/***
* 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acess_token
* 来源www.vxzsk.com
* @return
*/
public static String getAccessToken(){
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=TestAcessToken.sendGet(url, "utf-8", 10000);
String accessToken = (String) JSONObject.fromObject(backData).get("access_token");
return accessToken;
}
/***
* 获取jsapiTicket
* 来源 www.vxzsk.com
* @return
*/
public static String getJSApiTicket(){
//获取token
String acess_token= JsapiTicketUtil.getAccessToken();
String urlStr = "https://api.weixin.qq.com/cgi-bin/ticket/getticket?access_token="+acess_token+"&type=jsapi";
String backData=TestAcessToken.sendGet(urlStr, "utf-8", 10000);
String ticket = (String) JSONObject.fromObject(backData).get("ticket");
return ticket;
}
public static void main(String[] args) {
String jsapiTicket = JsapiTicketUtil.getJSApiTicket();
System.out.println("调用微信jsapi的凭证票为:"+jsapiTicket);
}
}