react native webview html发送post

重写window.postMessage

     <WebView
                            ref={ref=>{
                                this.webView = ref
                            }}
                            style={{flex:1}}
                            source={{uri:getApi('/h5/invitation/mine')}}
                            onMessage={(event)=>{
                                const data = event.nativeEvent.data
                                this.handleMessage(JSON.parse( data) )
                            }}
                            onLoad={()=>{

                            }}
                            javaScriptEnabled={true}
                            injectedJavaScript={`(function() {
                            window.postMessage = function(data) {
                            window.ReactNativeWebView.postMessage(data)
                            }
                            })();`
                            }
                        />