package com.ricky.utils.weixin;
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;
public class WxJSUtil {
public static void main(String[] args) {
JSONObject json1=getTokenTool("wxcc42f613dbf7299f", "e59e10c74c70b1c042b5ecaf454052ac");
String access_token=json1.getString("access_token");
System.out.println(json1.toString());
JSONObject json2=getTicketTool(access_token);
String ticket=json2.getString("ticket");
System.out.println(json2.toString());
System.out.println("access_token:"+access_token);
System.out.println("ticket:"+ticket);
};
public static Map<String, String> sign(String url) {
String appId="wxcc42f613dbf7299f";
String appSecret="e59e10c74c70b1c042b5ecaf454052ac";
String access_token=getTokenTool(appId, appSecret).getString("access_token");
JSONObject ticketJson=getTicketTool(access_token);
System.out.println(ticketJson.toString());
String jsapi_ticket = ticketJson.getString("ticket");
Map<String, String> ret = new HashMap<String, String>();
//这里的jsapi_ticket是获取的jsapi_ticket。
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;
try
{
MessageDigest crypt = MessageDigest.getInstance("SHA-1");
crypt.reset();
crypt.update(string1.getBytes("UTF-8"));
signature = byteToHex(crypt.digest());
System.out.println("crypt="+crypt.toString());
System.out.println("string1="+string1);
System.out.println("signature="+signature);
}
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);
}
public static JSONObject getTicketTool(String access_token){
String url="https://api.weixin.qq.com/cgi-bin/ticket/getticket?access_token="+access_token+"&type=jsapi";
// System.out.println(HttpRequestUtil.httpRequest(url, "GET", ""));
return HttpRequestUtil.httpRequest(url, "GET", "");
}
public static JSONObject getTokenTool(String appId,String appSecret){
String url="https://api.weixin.qq.com/cgi-bin/token?grant_type=client_credential&appid="+appId+"&secret="+appSecret;
// System.out.println(HttpRequestUtil.httpRequest(url, "GET", ""));
return HttpRequestUtil.httpRequest(url, "GET", "");
}
}
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