sendCaptcha(){
     if(!this.is_mobile(this.props.auth.mobile)){ return Alert.alert("手机号不合法" );}
     //this.context.showProgressHUD();
     NativeModules.SMSLogin.sendCaptcha(this.props.auth.mobile, this.getZone(), (response)=> {
         console.log("sendCaptcha In Callback",response);
         //this.context.dismissProgressHUD();
         if(response.error == 0){
             return Alert.alert("验证码发送成功");
         }else{
             // 477 当前手机号发送短信的数量超过当天限额
             return Alert.alert(
                 response.result.getVerificationCode
             );
         }
     });
 }
    verifyCaptcha(){
        return this.props.dispatch(appActions.login({user_id:1,mobile:"18666666666"}));
        if(!this.is_mobile(this.props.auth.mobile))
            return Alert.alert("手机号不合法");

        if(this.props.auth.captcha.length != 4)
            return Alert.alert( "验证码须为4位");

        //this.context.showProgressHUD();
        NativeModules.SMSLogin.verifyCaptcha(this.props.auth.captcha,this.props.auth.mobile, this.getZone(), (response) => {
            //this.context.dismissProgressHUD();
            console.log("sendCaptcha In Callback",response);
            if(response.error == 0){
                //this.context.store.setAuthUserInfo(response.result.user_info);
                //Alert.alert(
                //    "登陆成功"
                //);
                //this.props.tabNav.pop();
                this.props.dispatch(appActions.login(response.result.user_info));
            }else{
                return Alert.alert(response.result);
            }
        });
    }