= str1
            user.password = str2;
            user.caller = "web";
            request.params = user
     
            var requestData =JSON.stringify(request);
            //call native method
            window.WebViewJavascriptBridge.callHandler(
                'functionInNative'
                , requestData
                , function(responseData) {
                    //WebViewJavascriptBridge.js #88 已经转成object
                    document.getElementById("show").innerHTML = "native rep