修改iOS讯飞语音识别

local_plugins/azure_speech/ios/azure_speech/Sources/azure_speech/XunFeiAsrHelper.swift

@@ -145,13 +145,29 @@ class XunFeiAsrHelper: NSObject, URLSessionWebSocketDelegate {
     }
     
     private func processResult(_ json: [String: Any]) {
-        guard let dataStr = json["data"] as? String,
-              let dataData = dataStr.data(using: .utf8),
-              let data = try? JSONSerialization.jsonObject(with: dataData, options: []) as? [String: Any] else {
+        var data: [String: Any]? = nil
+        
+        if let dataDict = json["data"] as? [String: Any] {
+            data = dataDict
+        } else if let dataStr = json["data"] as? String,
+                  let dataData = dataStr.data(using: .utf8) {
+            data = try? JSONSerialization.jsonObject(with: dataData, options: []) as? [String: Any]
+        }
+        
+        guard let data = data else {
+            print("\(tag): Failed to parse data field from result")
             return
         }
         
-        let ls = data["ls"] as? Bool ?? false
+        var ls = false
+        if let lsBool = data["ls"] as? Bool {
+            ls = lsBool
+        } else if let lsInt = data["ls"] as? Int {
+            ls = (lsInt != 0)
+        } else if let lsStr = data["ls"] as? String {
+            ls = (lsStr == "true" || lsStr == "1")
+        }
+
         guard let cn = data["cn"] as? [String: Any],
               let st = cn["st"] as? [String: Any],
               let rt = st["rt"] as? [[String: Any]] else {
@@ -229,10 +245,25 @@ class XunFeiAsrHelper: NSObject, URLSessionWebSocketDelegate {
         let signature = calculateSignature(params: params)
         params["signature"] = signature
         
-        var urlComponents = URLComponents(string: baseWsUrl)
-        urlComponents?.queryItems = params.map { URLQueryItem(name: $0.key, value: $0.value) }
+        // 手动构建 URL 查询字符串，确保编码一致性
+        var queryString = ""
+        let allowed = CharacterSet(charactersIn: "abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789-._~")
+        
+        // 按照参数名的字母顺序排序，虽然 HTTP 协议不强制，但通常是个好习惯，也方便调试
+        let sortedParams = params.sorted { $0.key < $1.key }
         
-        return urlComponents?.url?.absoluteString ?? baseWsUrl
+        for (index, (key, value)) in sortedParams.enumerated() {
+            if index > 0 {
+                queryString += "&"
+            }
+            
+            let encodedKey = key.addingPercentEncoding(withAllowedCharacters: allowed) ?? key
+            let encodedValue = value.addingPercentEncoding(withAllowedCharacters: allowed) ?? value
+            
+            queryString += "\(encodedKey)=\(encodedValue)"
+        }
+        
+        return "\(baseWsUrl)?\(queryString)"
     }
     
     private func getUtcTime() -> String {
@@ -247,6 +278,8 @@ class XunFeiAsrHelper: NSObject, URLSessionWebSocketDelegate {
         var baseStr = ""
         var first = true
         
+        let allowed = CharacterSet(charactersIn: "abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789-._~")
+        
         for key in sortedKeys {
              if key == "signature" { continue }
              guard let value = params[key], !value.isEmpty else { continue }
@@ -255,8 +288,9 @@ class XunFeiAsrHelper: NSObject, URLSessionWebSocketDelegate {
                  baseStr += "&"
              }
              
-            let encodedKey = key.addingPercentEncoding(withAllowedCharacters: .urlQueryAllowed) ?? key
-            let encodedValue = value.addingPercentEncoding(withAllowedCharacters: .urlQueryAllowed) ?? value
+            // 使用严格的编码规则
+            let encodedKey = key.addingPercentEncoding(withAllowedCharacters: allowed) ?? key
+            let encodedValue = value.addingPercentEncoding(withAllowedCharacters: allowed) ?? value
              
             baseStr += "\(encodedKey)=\(encodedValue)"
             first = false