微信ticket问题

playlet-admin/src/main/java/com/playlet/web/controller/tool/WxController.java

@@ -9,6 +9,8 @@ import org.springframework.beans.factory.annotation.Autowired;
 import org.springframework.stereotype.Controller;
 import org.springframework.web.bind.annotation.*;
 
+import java.util.Map;
+
 /**
  * <p>微信服务端接口</p>
  * @author clunt
@@ -49,8 +51,8 @@ public class WxController {
     @ApiOperation(value = "获取jsapi_ticket", httpMethod = "GET")
     @GetMapping("/getWxTicket")
     @ResponseBody
-    public Result<String> getWxTicket(){
-        return Result.success(wxService.getWxTicket());
+    public Result<Map<String, String>> getWxTicket(@RequestParam(value = "url") String url){
+        return Result.success(wxService.getWxTicket(url));
     }
 
 }

playlet-admin/src/main/java/com/playlet/web/service/WxService.java

@@ -1,5 +1,7 @@
 package com.playlet.web.service;
 
+import java.util.Map;
+
 /**
  * <p>微信service类</p>
  * @author clunt
@@ -14,6 +16,6 @@ public interface WxService {
 
     String getWxInfo(String openId, String accessToken);
 
-    String getWxTicket();
+    Map<String, String> getWxTicket(String requestUrl);
 
 }

playlet-admin/src/main/java/com/playlet/web/service/impl/WxServiceImpl.java

@@ -10,6 +10,12 @@ import lombok.extern.slf4j.Slf4j;
 import org.springframework.beans.factory.annotation.Autowired;
 import org.springframework.stereotype.Service;
 
+import java.security.MessageDigest;
+import java.util.Formatter;
+import java.util.HashMap;
+import java.util.Map;
+import java.util.Random;
+
 @Slf4j
 @Service
 @RequiredArgsConstructor(onConstructor = @__(@Autowired))
@@ -62,7 +68,7 @@ public class WxServiceImpl implements WxService {
     }
 
     @Override
-    public String getWxTicket() {
+    public Map<String, String> getWxTicket(String requestUrl) {
         String accessTokenResult = HttpUtils.sendGet("https://api.weixin.qq.com/cgi-bin/token?grant_type=client_credential&appid=wx2b7d9259c1188067&secret=919165aae35838480986555f6c03ae6f");
         log.info("accessTokenResult : {} ", accessTokenResult);
         String accessToken = JSONObject.parseObject(accessTokenResult).getString("access_token");
@@ -70,6 +76,58 @@ public class WxServiceImpl implements WxService {
         log.info("调用微信获取Ticket,入参url:{}", url);
         String result = HttpUtils.sendGet(url);
         log.info("调用微信获取Ticket,响应内容:{}", result);
+        String ticket = JSONObject.parseObject(result).getString("ticket");
+        //生成11位时间戳
+        long time11 = System.currentTimeMillis() / 1000;
+        String timestamp = String.valueOf(time11);
+        //生成16位随机字符串
+        String nonce = create16String();
+        String string1 = "jsapi_ticket=" + ticket + "&noncestr=" + nonce + "&timestamp=" + timestamp + "&url=" + requestUrl;
+        // 2.1这里利用了hutool的加密工具类
+        log.info("使用sha1加密前的细信息：===>【{}】", string1);
+        String signature = "";
+        try {
+            MessageDigest crypt = MessageDigest.getInstance("SHA-1");
+            crypt.reset();
+            crypt.update(string1.getBytes("UTF-8"));
+            signature = encryptSha1(crypt.digest());
+        } catch (Exception e) {
+            log.info(e.getMessage());
+        }
+        Map<String,String> resultMap = new HashMap();
+        resultMap.put("signature", signature);
+        resultMap.put("timestamp", timestamp);
+        resultMap.put("nonce", nonce);
+        resultMap.put("url", url);
+        resultMap.put("ticket", ticket);
+        return resultMap;
+    }
+
+
+    /***
+     * 生成微信sha1方法签名
+     **/
+    public static String encryptSha1(final byte[] hash) {
+        Formatter formatter = new Formatter();
+        for (byte b : hash) {
+            formatter.format("%02x", b);
+        }
+        String result = formatter.toString();
+        formatter.close();
         return result;
     }
+
+
+    /***
+     * 生成16位随机大小写加数字的字符串
+     **/
+    public static String create16String(){
+        String a = "ZXCVBNMASDFGHJKLQWERTYUIOPzxcvbnmasdfghjklqwertyuiop0123456789";
+        StringBuilder con = new StringBuilder();
+        Random random = new Random();
+        for (int i = 0; i < 16; i++) {
+            con.append(a.charAt(random.nextInt(62)));
+        }
+        return con.toString();
+    }
 }