update example file and fix contentType change

.fvm/fvm_config.json

@@ -0,0 +1,3 @@
+{
+  "flutterSdkVersion": "1.22.6"
+}

example/lib/main.dart

@@ -25,6 +25,8 @@ class MyHomePage extends StatefulWidget {
 }
 
 class _MyHomePageState extends State<MyHomePage> {
+  TextEditingController _textController =
+      TextEditingController(text: 'https://');
   @override
   void initState() {
     super.initState();
@@ -32,26 +34,39 @@ class _MyHomePageState extends State<MyHomePage> {
     NetTool.dio.get("https://192.168.31.255:8888");
     NetTool.dio.get("https://www.baidu.com", queryParameters: {'test': 'test'});
     NetTool.dio.get("https://www.baidu.com/ahefbawfbe.html");
-    NetTool.dio.post(
-      "https://www.baidu.com/ahefbawfbe.html",
-      data: FormData.fromMap({'test': 'test'}),
-    );
-
+    NetTool.dio.post("https://www.baidu.com/ahefbawfbe.html",
+        data: FormData.fromMap({'test': 'test'}));
     NetTool.dio.get(
         "https://www.baidu.com/img/PCtm_d9c8750bed0b3c7d089fa7d55720d6cf.png");
     PowerLogger.start(context);
     LoggerData.addData('TEST');
   }
 
+  @override
+  void dispose() {
+    _textController?.dispose();
+    super.dispose();
+  }
+
   @override
   Widget build(BuildContext context) {
     return Scaffold(
       appBar: AppBar(
         title: Text(widget.title),
       ),
+      body: Container(
+        padding: EdgeInsets.all(10),
+        alignment: Alignment.center,
+        child: TextField(
+          controller: _textController,
+          decoration: InputDecoration(
+            filled: true,
+          ),
+        ),
+      ),
       floatingActionButton: FloatingActionButton(
         onPressed: () {
-          NetTool.dio.get("https://www.baidu.com");
+          NetTool.dio.get(_textController.text);
         },
       ),
     );

lib/src/parser/dio_parser/dio_parser.dart

@@ -29,18 +29,12 @@ class DioParser {
   /// get dio contentType
   ContentType get type {
     String _ctype = response.headers.map['content-type'].first;
-    switch (_ctype) {
-      case 'text/plain':
-        return ContentType.TEXT_PLAIN;
-      case 'text/html':
-        return ContentType.TEXT_HTML;
-      case 'text/css':
-        return ContentType.TEXT_CSS;
-      case 'text/javascript':
-        return ContentType.TEXT_JS;
-      case 'application/json':
-        return ContentType.JSON;
-    }
+
+    if (_ctype.contains('text/plain')) return ContentType.TEXT_PLAIN;
+    if (_ctype.contains('text/html')) return ContentType.TEXT_HTML;
+    if (_ctype.contains('text/css')) return ContentType.TEXT_CSS;
+    if (_ctype.contains('text/javascript')) return ContentType.TEXT_JS;
+    if (_ctype.contains('application/json')) return ContentType.JSON;
     if (_ctype.contains('image/')) return ContentType.IMAGE;
     if (_ctype.contains('audio/')) return ContentType.AUDIO;
     if (_ctype.contains('video/')) return ContentType.VIDEO;