Spring Boot Example of Exposing REST Service

Step1:- Downlaod STS as IDE
Step 2:- Create Spring Boot Project
rigth click -> New -- > Others -->Spring Starter Project

This will create below given project structure for you

Step 3:- Create Bean file with getter and setter method

Step 4:- Create Controller class

Step 5:- As we are using Maven we need to use following pom.xml

Step 6:- Run the project using maven build and once the jar files created execute the below command

C:\workspace-sts-3.9.4.RELEASE\spring-boot-rest\target>java -jar spring-boot-rest-0.0.1-SNAPSHOT.jar

and see hit the browser with this url

http://localhost:8083/siddhu/message?name=siddhudhumale

How can I listen for keypress event on the whole page in AngularJS 2 – 6

Add following line on @component decorator class

host: {‘(document:keypress)’: ‘handleKeyboardEvent($event)’}

and implement handleKeyboardEvent(event:KeyboardEvent)

i.e.

@Component({

selector:’app-add-component’,

templateUrl:’./add-component.component.html’,

styleUrls: [‘./add-component.component.css’],

// tslint:disable-next-line:use-host-property-decorator

host: {‘(document:keypress)’:’handleKeyboardEvent($event)’}

})

handleKeyboardEvent(event: KeyboardEvent) {

console.log(event);

if (event.keyCode===13)

{

console.log(“Enter key pressed 13”);

} else if (event.keyCode === 40)

{

} else if (event.keyCode === 38)

{

}

}

How to disable browser back button in AngularJS 2 to 6

Use location.onPopState to the same in AppComponent

import { PlatformLocation } from ‘@angular/common’;

constructor(location: PlatformLocation, private router: Router) {

location.onPopState(() => {

console.log(‘pressed back in add!!!!!’);

//this.router.navigateByUrl(‘/multicomponent’);

//history.forward();

});