這篇文章主要介紹了微信開發(fā)之如果使用java獲取簽名signature，具有一定借鑒價(jià)值，感興趣的朋友可以參考下，希望大家閱讀完這篇文章之后大有收獲，下面讓小編帶著大家一起了解一下。
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一、前言
微信接口調(diào)用驗(yàn)證最終需要用到的三個(gè)參數(shù)noncestr、timestamp、signature：
接下來將會(huì)給出獲取這三個(gè)參數(shù)的詳細(xì)代碼
本文的環(huán)境eclipse + maven
本文使用到的技術(shù)HttpClient、Json字符串轉(zhuǎn)map、sha1加密
二、需要用到的jar包
maven依賴的包有：
1、HttpClient包依賴
org.apache.httpcomponents httpcore 4.4.3 org.apache.httpcomponents httpclient 4.5.1
2、json轉(zhuǎn)map相關(guān)包依賴
net.sf.json-lib json-lib 2.4 jdk15 xom xom 1.2.5
三、運(yùn)行結(jié)果
四、詳細(xì)代碼
重慶分公司
重慶分公司
package com.luo.util;
import java.io.IOException;
import java.io.UnsupportedEncodingException;
import java.security.MessageDigest;
import java.security.NoSuchAlgorithmException;
import java.util.ArrayList;
import java.util.HashMap;
import java.util.Iterator;
import java.util.List;
import java.util.Map;
import java.util.Set;
import java.util.UUID;
import net.sf.json.JSONObject;
import org.apache.http.HttpEntity;
import org.apache.http.HttpResponse;
import org.apache.http.NameValuePair;
import org.apache.http.ParseException;
import org.apache.http.client.ClientProtocolException;
import org.apache.http.client.entity.UrlEncodedFormEntity;
import org.apache.http.client.methods.HttpGet;
import org.apache.http.client.methods.HttpPost;
import org.apache.http.client.methods.HttpUriRequest;
import org.apache.http.impl.client.DefaultHttpClient;
import org.apache.http.message.BasicNameValuePair;
import org.apache.http.protocol.HTTP;
import org.apache.http.util.EntityUtils;
public class HttpXmlClient {
public static String post(String url, Map params) {
DefaultHttpClient httpclient = new DefaultHttpClient();
String body = null;
HttpPost post = postForm(url, params);
body = invoke(httpclient, post);
httpclient.getConnectionManager().shutdown();
return body;
}
public static String get(String url) {
DefaultHttpClient httpclient = new DefaultHttpClient();
String body = null;
HttpGet get = new HttpGet(url);
body = invoke(httpclient, get);
httpclient.getConnectionManager().shutdown();
return body;
}
private static String invoke(DefaultHttpClient httpclient,
HttpUriRequest httpost) {
HttpResponse response = sendRequest(httpclient, httpost);
String body = paseResponse(response);
return body;
}
private static String paseResponse(HttpResponse response) {
HttpEntity entity = response.getEntity();
String charset = EntityUtils.getContentCharSet(entity);
String body = null;
try {
body = EntityUtils.toString(entity);
} catch (ParseException e) {
e.printStackTrace();
} catch (IOException e) {
e.printStackTrace();
}
return body;
}
private static HttpResponse sendRequest(DefaultHttpClient httpclient,
HttpUriRequest httpost) {
HttpResponse response = null;
try {
response = httpclient.execute(httpost);
} catch (ClientProtocolException e) {
e.printStackTrace();
} catch (IOException e) {
e.printStackTrace();
}
return response;
}
private static HttpPost postForm(String url, Map params) {
HttpPost httpost = new HttpPost(url);
List nvps = new ArrayList();
Set keySet = params.keySet();
for (String key : keySet) {
nvps.add(new BasicNameValuePair(key, params.get(key)));
}
try {
httpost.setEntity(new UrlEncodedFormEntity(nvps, HTTP.UTF_8));
} catch (UnsupportedEncodingException e) {
e.printStackTrace();
}
return httpost;
}
public static void main(String[] args) {
//獲取access_token
Map params = new HashMap();
params.put("corpid","wx5f24fa0db1819ea2");
params.put("corpsecret","uQtWzF0bQtl2KRHX0amekjpq8L0aO96LSpSNfctOBLRbuYPO4DUBhMn0_v2jHS-9");
String xml = HttpXmlClient.post("https://qyapi.weixin.qq.com/cgi-bin/gettoken",params);
JSONObject jsonMap = JSONObject.fromObject(xml);
Map map = new HashMap();
Iterator it = jsonMap.keys();
while(it.hasNext()) {
String key = (String) it.next();
String u = jsonMap.get(key).toString();
map.put(key, u);
}
String access_token = map.get("access_token");
System.out.println("access_token=" + access_token);
//獲取ticket
params.put("access_token",access_token);
xml = HttpXmlClient.post("https://qyapi.weixin.qq.com/cgi-bin/get_jsapi_ticket",params);
jsonMap = JSONObject.fromObject(xml);
map = new HashMap();
it = jsonMap.keys();
while(it.hasNext()) {
String key = (String) it.next();
String u = jsonMap.get(key).toString();
map.put(key, u);
}
String jsapi_ticket = map.get("ticket");
System.out.println("jsapi_ticket=" + jsapi_ticket);
//獲取簽名signature
String noncestr = UUID.randomUUID().toString();
String timestamp = Long.toString(System.currentTimeMillis() / 1000);
String url="http://mp.weixin.qq.com";
String str = "jsapi_ticket=" + jsapi_ticket +
"&noncestr=" + noncestr +
"×tamp=" + timestamp +
"&url=" + url;
//sha1加密
String signature = SHA1(str);
System.out.println("noncestr=" + noncestr);
System.out.println("timestamp=" + timestamp);
System.out.println("signature=" + signature);
//最終獲得調(diào)用微信js接口驗(yàn)證需要的三個(gè)參數(shù)noncestr、timestamp、signature
}
/**
* @author：羅國輝
* @date： 2015年12月17日 上午9:24:43
* @description： SHA、SHA1加密
* @parameter： str：待加密字符串
* @return： 加密串
**/
public static String SHA1(String str) {
try {
MessageDigest digest = java.security.MessageDigest
.getInstance("SHA-1"); //如果是SHA加密只需要將"SHA-1"改成"SHA"即可
digest.update(str.getBytes());
byte messageDigest[] = digest.digest();
// Create Hex String
StringBuffer hexStr = new StringBuffer();
// 字節(jié)數(shù)組轉(zhuǎn)換為 十六進(jìn)制 數(shù)
for (int i = 0; i < messageDigest.length; i++) {
String shaHex = Integer.toHexString(messageDigest[i] & 0xFF);
if (shaHex.length() < 2) {
hexStr.append(0);
}
hexStr.append(shaHex);
}
return hexStr.toString();
} catch (NoSuchAlgorithmException e) {
e.printStackTrace();
}
return null;
}
} 感謝你能夠認(rèn)真閱讀完這篇文章，希望小編分享的“微信開發(fā)之如果使用java獲取簽名signature”這篇文章對(duì)大家有幫助，同時(shí)也希望大家多多支持創(chuàng)新互聯(lián)，關(guān)注創(chuàng)新互聯(lián)行業(yè)資訊頻道，更多相關(guān)知識(shí)等著你來學(xué)習(xí)!
