服务器之家

服务器之家 > 正文

微信开发之使用java获取签名signature

时间:2020-06-08 12:25     来源/作者:u013142781

一、前言

微信接口调用验证最终需要用到的三个参数noncestr、timestamp、signature

微信开发之使用java获取签名signature

接下来将会给出获取这三个参数的详细代码
本文的环境eclipse + maven
本文使用到的技术HttpClient、Json字符串转map、sha1加密

二、需要用到的jar包

maven依赖的包有:

1、HttpClient包依赖

java" id="highlighter_601961">
?
1
2
3
4
5
6
7
8
9
10
<dependency>
 <groupId>org.apache.httpcomponents</groupId>
 <artifactId>httpcore</artifactId>
 <version>4.4.3</version>
</dependency>
<dependency>
 <groupId>org.apache.httpcomponents</groupId>
 <artifactId>httpclient</artifactId>
 <version>4.5.1</version>
</dependency>

2、json转map相关包依赖

?
1
2
3
4
5
6
7
8
9
10
11
<dependency>
 <groupId>net.sf.json-lib</groupId>
 <artifactId>json-lib</artifactId>
 <version>2.4</version>
 <classifier>jdk15</classifier>
</dependency>
<dependency>
 <groupId>xom</groupId>
 <artifactId>xom</artifactId>
 <version>1.2.5</version>
</dependency>

三、运行结果

微信开发之使用java获取签名signature

四、详细代码

?
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
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<String, String> 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<String, String> params) {
 
 HttpPost httpost = new HttpPost(url);
 List<NameValuePair> nvps = new ArrayList<NameValuePair>();
 
 Set<String> 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) {
 //获取access_token
 Map<String, String> params = new HashMap<String, String>();
 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<String, String> map = new HashMap<String, String>();
 Iterator<String> 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);
 
 //获取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<String, String>();
 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);
 
 //获取签名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 +
  "&timestamp=" + 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);
 //最终获得调用微信js接口验证需要的三个参数noncestr、timestamp、signature
 }
 
 /**
 * @author:罗国辉
 * @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加密只需要将"SHA-1"改成"SHA"即可
  digest.update(str.getBytes());
  byte messageDigest[] = digest.digest();
  // Create Hex String
  StringBuffer hexStr = new StringBuffer();
  // 字节数组转换为 十六进制 数
  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;
 }
}

五、工程下载

微信获取签名工程

以上就是本文的全部内容,希望对大家的学习有所帮助,也希望大家多多支持服务器之家。

原文链接:http://blog.csdn.net/u013142781/article/details/50429704

相关文章

热门资讯

歪歪漫画vip账号共享2020_yy漫画免费账号密码共享
歪歪漫画vip账号共享2020_yy漫画免费账号密码共享 2020-04-07
2020微信伤感网名听哭了 让对方看到心疼的伤感网名大全
2020微信伤感网名听哭了 让对方看到心疼的伤感网名大全 2019-12-26
沙雕群名称大全2019精选 今年最火的微信群名沙雕有创意
沙雕群名称大全2019精选 今年最火的微信群名沙雕有创意 2019-07-07
玄元剑仙肉身有什么用 玄元剑仙肉身境界等级划分
玄元剑仙肉身有什么用 玄元剑仙肉身境界等级划分 2019-06-21
男生常说24816是什么意思?女生说13579是什么意思?
男生常说24816是什么意思?女生说13579是什么意思? 2019-09-17
返回顶部