Hi All,
I am generating  Pdf for Account object using lightning components.in that client side controller file it will through 
component.setParams() callback failed..i passed the accountId also but getting same error.can any one help me on this issue becuase i am new to lightning exp.
my code is
apex cls
public class TextVFPDFController {
    public Account acc{get;set;}
    public TextVFPDFController(){
        Id accId = apexpages.currentpage().getparameters().get('id');
        acc = [select id,Name from Account where id=: accId];
    }
}

vf page
<apex:page controller="TextVFPDFController" renderAs="PDF">
    {!acc.Name}
</apex:page>

component

<aura:component implements="force:appHostable,flexipage:availableForAllPageTypes,flexipage:availableForRecordHome,force:hasRecordId,forceCommunity:availableForAllPageTypes,force:lightningQuickAction" access="global" controller="TestAppController" >
    <aura:attribute name = "accountId" type = "Account" />
    <lightning:button variant = "brand" label = "Generate Pdf" onclick = "{!c.savePDF}" />
</aura:component>

client-side controller.js

({
    savePDF : function(component, event, helper) {
        var action = component.get("c.savePDFAccount");
        action.setCallback(this, function(response) {
            component.setParams({"recordId" : component.get("v.accountId")});
            var state = response.getState();
            if (state === "SUCCESS") {
                component.set("v.recordId",response.getReturnValue());
                alert('Attachment saved successfully');
                              
            }        
               else {
                        console.log("Unknown error");
                    }
                
        });
        $A.enqueueAction(action);
    }
})

server-side controller.cls

public class TestAppController {
    @auraEnabled
    public static void savePDFAccount(String recordId){
        PageReference pdfPage = new PageReference('/apex/TextVFPDF');
        pdfPage.getParameters().put('Id',recordId);
        Blob pdfContent = pdfPage.getContent();
        Attachment attach1= new Attachment();
        //attach1.ParentId = parentId;
        attach1.Name = 'Test Attachment for PDF';
        attach1.Body = pdfContent;
        attach1.contentType = 'application/pdf';
        insert attach1;
        
    }
}

and the error is

Uncaught Error in $A.getCallback() [component.setParams is not a function]
Callback failed: apex://TestAppController/ACTION$savePDFAccount

can any one help this issue
thanks in advance