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smart-campus/src/main/java/yangtz/cs/liu/wechat/controller/api/WxApiController.java

@@ -11,6 +11,10 @@ import com.ruoyi.common.core.redis.RedisCache;
 import com.ruoyi.common.exception.ServiceException;
 import com.ruoyi.common.exception.ServiceException;
 import com.ruoyi.common.utils.StringUtils;
 import com.ruoyi.common.utils.StringUtils;
 import com.ruoyi.common.utils.http.HttpUtils;
 import com.ruoyi.common.utils.http.HttpUtils;
+
+import java.io.UnsupportedEncodingException;
+import java.security.MessageDigest;
+import java.security.NoSuchAlgorithmException;
 import java.util.concurrent.TimeUnit;
 import java.util.concurrent.TimeUnit;
 import javax.servlet.http.HttpServletRequest;
 import javax.servlet.http.HttpServletRequest;
 import org.slf4j.Logger;
 import org.slf4j.Logger;
@@ -318,10 +322,9 @@ public class WxApiController extends BaseController {
     @GetMapping("/getsignature")
     @GetMapping("/getsignature")
     @ResponseBody
     @ResponseBody
     public AjaxResult getsignature(String url) throws Exception {
     public AjaxResult getsignature(String url) throws Exception {
-            Map<String,String> map = new HashMap<String,String>();
-            //获取accesToken
-            String token = accessTokenUtil.getToken();
-            //获取jsapi_ticket
+        //获取accesToken
+        String token = accessTokenUtil.getToken();
+        //获取jsapi_ticket
         String ticket = null;
         String ticket = null;
         //ticket = redisCache.getCacheObject("ticket");
         //ticket = redisCache.getCacheObject("ticket");
         if (StringUtils.isEmpty(ticket)){
         if (StringUtils.isEmpty(ticket)){
@@ -332,30 +335,42 @@ public class WxApiController extends BaseController {
              ticket = jsonObject.get("ticket").toString();
              ticket = jsonObject.get("ticket").toString();
            // redisCache.setCacheObject("ticket", ticket, 5, TimeUnit.MINUTES);
            // redisCache.setCacheObject("ticket", ticket, 5, TimeUnit.MINUTES);
         }
         }
-            //生成JS-SDK权限验证的签名
-            //1.生成随机字符串
-            String uuid = UUID.randomUUID().toString();
-            //去掉“-”符号
-            String noncester = uuid.replaceAll("-", "");
-            //2获取时间戳
-            long timestamp = System.currentTimeMillis()/1000;
-            //3.
-            Map<String, String> maps = new TreeMap<String,String>();
-            maps.put("noncestr", noncester);
-            maps.put("jsapi_ticket", ticket);
-            maps.put("timestamp",String.valueOf(timestamp));
-            maps.put("url", url);
-            String createLinkString = createLinkString(maps);
-            log.info(createLinkString);
-            //sha1签名，得到signature
-            String signature = Sha1Util.sha12(createLinkString);
-            map.put("noncestr",noncester);
-            map.put("jsapi_ticket",ticket);
-            map.put("timestamp",String.valueOf(timestamp));
-            map.put("url",url);
-            map.put("signature",signature);
-            map.put("cstoken",token);
-            return AjaxResult.success(map);
+        //生成JS-SDK权限验证的签名
+        String noncester = create_nonce_str();
+        String timestamp = create_timestamp();
+        String string1;
+        String signature = "";
+        //3.
+        //注意这里参数名必须全部小写，且必须有序
+        string1 = "jsapi_ticket=" + ticket +
+                "&noncestr=" + noncester +
+                "&timestamp=" + timestamp +
+                "&url=" + url;
+        System.out.println(string1);
+        log.info(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();
+        }
+        Map<String,String> map = new HashMap<String,String>();
+        map.put("noncestr",noncester);
+        map.put("jsapi_ticket",ticket);
+        map.put("timestamp",timestamp);
+        map.put("url",url);
+        map.put("signature",signature);
+        map.put("cstoken",token);
+        return AjaxResult.success(map);
 
 
 
 
     }
     }
@@ -379,8 +394,22 @@ public class WxApiController extends BaseController {
         }
         }
         return prestr;
         return prestr;
     }
     }
-
-
+    private static String create_nonce_str() {
+        return UUID.randomUUID().toString();
+    }
+    private static String create_timestamp() {
+        return Long.toString(System.currentTimeMillis() / 1000);
+    }
+    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;
+    }
 
 
 
 
     /**
     /**