anchor.diff:      );
     }
   }
  +
  +
  +///测试 html 代码，不管
  +final testhtml = "<!DOCTYPE html>"
  +    "<html>"
  +    "<head>"
  +    "<meta charset=\"utf-8\">"
  +    "<meta name=\"viewport\" content=\"width=device-width,initial-scale=1,minimum-scale=1,maximum-scale=1,user-scalable=no\" />"
  +    "<title>Local Title</title>"
  +    "<script>"
  +    "function callJS(){"
  +    "alert(\"Android调用了web js\");"
  +    "}"
  +    "function callInterface(){"
  +    "JSCallBackInterface.callback(\"我是web的js哟\");"
  +    "}"
  +    "function callInterface2(){"
  +    "document.location = \"js://Authority?pra1=111&pra2=222\";"
  +    "}"
  +    "function clickPrompt(){"
  +    "Print.postMessage('Hello');"
  +    "}"
  +    "</script>"
  +    "</head>"
  +    "<body>"
  +    "<button type=\"button\" id=\"buttonxx\" onclick=\"callInterface()\">点我调用原生android方法</button>"
  +    "<button type=\"button\" id=\"buttonxx2\" onclick=\"callInterface2()\">点我调用原生android方法2</button>"
  +    "<button type=\"button\" id=\"buttonxx3\" onclick=\"clickPrompt()\">点我调用原生android方法3</button>"
  +    "<input></input>"
  +    "</body>"
  +    "</html>";
  
positive.code:     ]);
    }
  
    @override
    Widget build(BuildContext context) {
  
      /*return Scaffold(
        appBar: new AppBar(
          title: _renderTitle(),
        ),
        body: WebView(
          initialUrl: url,
          javascriptMode: JavascriptMode.unrestricted,
        ),
      );*/
      return new WebviewScaffold(
        withJavascript: true,
        url: url,
        scrollBar:true,
        withLocalUrl: true,
        appBar: new AppBar(
          title: _renderTitle(),
  
negative.code: import 'dart:convert';
  
  import 'package:flutter/cupertino.dart';
  import 'package:flutter/material.dart';
  import 'package:flutter_webview_plugin/flutter_webview_plugin.dart';
  