{"id":5924,"date":"2017-08-27T19:54:00","date_gmt":"2017-08-27T17:54:00","guid":{"rendered":"https:\/\/www.tomislavstankovic.com\/blog\/?p=5924"},"modified":"2019-01-05T19:53:11","modified_gmt":"2019-01-05T17:53:11","slug":"ionic3-slanje-podataka-api","status":"publish","type":"post","link":"https:\/\/www.tomislavstankovic.com\/blog\/ionic3-slanje-podataka-api\/","title":{"rendered":"Ionic 3 – Slanje podataka na API"},"content":{"rendered":"

Ovim blog postom \u017eelim pokazati kako na jednostavan i brz na\u010din mo\u017eete napraviti Ionic<\/em> aplikaciju koja \u0107e slati podatke na API<\/em>. U ovom \u0107u slu\u010daju koristiti jednostavan JSON Server<\/em><\/a>, ali jednako samo tako mogao koristiti i NodeJS API<\/em><\/a>, API<\/em> koji podr\u017eava slanje datoteka<\/a> ili Google Drive API<\/em><\/a>. Ali kao \u0161to sam i rekao, kako bi zadr\u017eao jednostavnost i kako ne bi oti\u0161ao previ\u0161e u \u0161irinu u ovom \u0107u primjeru koristiti jednostavan JSON Server API<\/em>.<\/p>\n

Postavljanje aplikacije<\/h2>\n

Kreirati \u0107emo novi Ionic<\/em> projekt<\/a>, i dodati podr\u0161ku za Android<\/em> platformu<\/a><\/p>\n

$ ionic start Ionic3API blank\r\n$ cd Ionic3API\r\n$ ionic cordova platform add android<\/pre>\n
Izrada i pokretanje API-ja<\/h2>\n
API<\/em> se nalazi u datoteci db.json<\/strong> sa sljede\u0107im sadr\u017eajem<\/p>\n
{\r\n  \"Imenik\": [\r\n    {\r\n      \"id\": 1,\r\n      \"ime\": \"Ivan Ivanovi\u0107\",\r\n\t  \"telefon\" : \"0038501555444\",\r\n\t  \"vrsta\": \"PO\"\r\n    },\r\n    {\r\n      \"id\": 2,\r\n      \"ime\": \"Mate Mati\u0107\",\r\n\t  \"telefon\" : \"0038501555333\",\r\n\t   \"vrsta\": \"PO\"\r\n    },\r\n\t{\r\n      \"id\": 3,\r\n      \"ime\": \"Pero Papar\",\r\n\t  \"telefon\" : \"0038501555222\",\r\n\t  \"vrsta\": \"PR\"\r\n    }\r\n  ]\r\n}<\/pre>\n
Pokre\u0107emo ga naredbom <\/p>\n
$ json-server --watch db.json<\/pre>\n
Servis za API<\/h2>\n
Sada \u0107emo napraviti servis<\/a> koji \u0107e u na\u0161oj Ionic<\/em> aplikaciji slu\u017eiti za pozivanje API<\/em>-ja.<\/p>\n
$ ionic generate provider api<\/pre>\n
Servis za  API<\/em> \u0107e izgledati ovako<\/p>\n
import { Injectable } from '@angular\/core';\r\nimport { Http } from '@angular\/http';\r\nimport 'rxjs\/add\/operator\/map';\r\n\r\n@Injectable()\r\nexport class ApiProvider {\r\n\r\n  constructor(public _http: Http) {\r\n    console.log('Hello ApiProvider Provider');\r\n  }\r\n\r\ngetUsers(){\r\n    return this._http.get('http:\/\/localhost:3000\/imenik')\r\n      .map(res => res.json());\r\n  }\r\n\r\npostUser(a:any){\r\n    return this._http.post('http:\/\/localhost:3000\/imenik', a)\r\n      .map(res => res.json());\r\n  }\r\n\r\n}<\/pre>\n
Zna\u010di, imamo funkciju getUsers();<\/span> koja \u0107e dohva\u0107ati popis svih osoba u imeniku, kao i funkciju postUser(a:any);<\/span>  za dodavanje nove osobe u imenik.<\/p>\n
Forma za unos<\/h2>\n
Sada mo\u017eemo napraviti formu za unos sadr\u017eaja.  Forma \u0107e se sastojati od samo tri polja. Jedno polje za ime i prezime, drugo za broj telefona, a tre\u0107e polje tj. padaju\u0107i izbornik s opcijama za odabir poslovnog ili privatnog broja. Ispod svega toga prikazat \u0107emo popis svih osoba.<\/p>\n
Forma nema nikakvih specijalnih uvjeta i provjera niti je bilo koje polje ozna\u010deno kao obavezno. Osim toga, ispod forme imamo popis do sada dodanih osoba.<\/p>\n
<ion-header>\r\n  <ion-navbar>\r\n    <ion-title>\r\n      Ionic 3 - API\r\n    <\/ion-title>\r\n  <\/ion-navbar>\r\n<\/ion-header>\r\n\r\n<ion-content padding>\r\n \r\n<ion-item>\r\n  <ion-label floating>Ime i prezime<\/ion-label>\r\n  <ion-input type=\"text\" [(ngModel)]=\"imenik.ime\" [ngModelOptions]=\"{standalone: true}\"><\/ion-input>\r\n<\/ion-item>\r\n\r\n<ion-item>\r\n  <ion-label floating>Broj telefona\/mobitela<\/ion-label>\r\n  <ion-input type=\"number\" [(ngModel)]=\"imenik.broj\" [ngModelOptions]=\"{standalone: true}\"><\/ion-input>\r\n<\/ion-item>\r\n\r\n<ion-item>\r\n  <ion-label floating>Poslovni ili privatni broj<\/ion-label>\r\n  <ion-select [(ngModel)]=\"imenik.vrsta\" okText=\"Odaberi\" cancelText=\"Odustani\">\r\n    <ion-option value=\"PR\">Privatni<\/ion-option>\r\n    <ion-option value=\"PO\">Poslovni<\/ion-option>\r\n  <\/ion-select>\r\n<\/ion-item>\r\n\r\n<button ion-button full outline (click)=\"dodajOsobu(imenik);\">Dodaj<\/button>\r\n\r\n<h3>Popis osoba:<\/h3>\r\n<ion-list *ngIf=\"popisOsoba\">\r\n  <ion-item *ngFor=\"let popis of popisOsoba\">\r\n     - {{ popis.ime }}\r\n  <\/ion-item>\r\n<\/ion-list>\r\n\r\n<\/ion-content><\/pre>\n
Funkcionalnost \u0107e se nalaziti u home.ts<\/strong><\/p>\n
import { Component } from '@angular\/core';\r\nimport { NavController } from 'ionic-angular';\r\nimport { ApiProvider } from '.\/..\/..\/providers\/api\/api';\r\n\r\n@Component({\r\n  selector: 'page-home',\r\n  templateUrl: 'home.html',\r\n  providers: [ApiProvider]\r\n})\r\nexport class HomePage {\r\n\r\n  imenik:any = {};\r\n  popisOsoba:any;\r\n\r\n  constructor(public _navCtrl: NavController,\r\n              public _api: ApiProvider) {\r\n\r\n   this.imenik.ime = '';\r\n   this.imenik.broj = null;\r\n   this.imenik.vrsta = '';\r\n\r\n  }\r\n\r\n  ionViewWillEnter(){\r\n     this.prikaziOsobe();\r\n  }\r\n\r\n\r\n  dodajOsobu(imenik){\r\n   console.log(imenik);\r\n  } \r\n\r\n  prikaziOsobe(){\r\n     this._api.getUsers().subscribe(res => {\r\n       this.popisOsoba = res;\r\n       console.log(this.popisOsoba);\r\n   })\r\n  }\r\n\r\n}<\/pre>\n
Sada mo\u017eemo provjeriti radi li uop\u0107e na\u0161a forma za unos. <\/p>\n
\"Ionic<\/a><\/p>\n
Kada smo zaklju\u010dili da forma ispisuje podatke koje smo upisali mo\u017eemo dovr\u0161iti funkciju za unos osobe dodajOsobu();<\/span> koja \u0107e sada izgledati ovako<\/p>\n
 dodajOsobu(imenik){\r\n   console.log(imenik);\r\n\r\n   this._api.postUser(imenik).subscribe(res => {\r\n        \/\/Osvje\u017ei popis osoba\r\n        this.prikaziOsobe();\r\n   })\r\n\r\n  } <\/pre>\n
I kona\u010dni rezultat izgleda ovako<\/p>\n
\"Ionic<\/a><\/p>\n
Zaklju\u010dak<\/h2>\n
Primjer koji ste ovdje imali priliku vidjeti najosnovnija je verzija i samo jedan od na\u010dina kako slati podatke iz Ionic<\/em> aplikacije na API<\/em> i ne preporu\u010dujem da ovaj na\u010din slanja podataka koristite u produkcijskim verzijama aplikacije. Zapravo, ako ga i koristite ne\u0107e se dogoditi ni\u0161ta lo\u0161e, ali samo \u017eelim naglasiti da postoje i bolji na\u010dini<\/a> o kojima \u0107u nekom drugom prilikom.<\/p>\n
{\r\n    \"name\": \"Ionic3API\",\r\n    \"version\": \"0.0.1\",\r\n    \"author\": \"Tomislav Stankovi\u0107\",\r\n    \"homepage\": \"https:\/\/www.tomislavstankovic.com\/\",\r\n    \"private\": true,\r\n    \"scripts\": {\r\n        \"clean\": \"ionic-app-scripts clean\",\r\n        \"build\": \"ionic-app-scripts build\",\r\n        \"lint\": \"ionic-app-scripts lint\",\r\n        \"ionic:build\": \"ionic-app-scripts build\",\r\n        \"ionic:serve\": \"ionic-app-scripts serve\"\r\n    },\r\n    \"dependencies\": {\r\n        \"@angular\/common\": \"4.1.3\",\r\n        \"@angular\/compiler\": \"4.1.3\",\r\n        \"@angular\/compiler-cli\": \"4.1.3\",\r\n        \"@angular\/core\": \"4.1.3\",\r\n        \"@angular\/forms\": \"4.1.3\",\r\n        \"@angular\/http\": \"4.1.3\",\r\n        \"@angular\/platform-browser\": \"4.1.3\",\r\n        \"@angular\/platform-browser-dynamic\": \"4.1.3\",\r\n        \"@ionic-native\/core\": \"3.12.1\",\r\n        \"@ionic-native\/splash-screen\": \"3.12.1\",\r\n        \"@ionic-native\/status-bar\": \"3.12.1\",\r\n        \"@ionic\/storage\": \"2.0.1\",\r\n        \"cordova-android\": \"^6.2.3\",\r\n        \"cordova-plugin-console\": \"^1.0.5\",\r\n        \"cordova-plugin-device\": \"^1.1.4\",\r\n        \"cordova-plugin-splashscreen\": \"^4.0.3\",\r\n        \"cordova-plugin-statusbar\": \"^2.2.2\",\r\n        \"cordova-plugin-whitelist\": \"^1.3.1\",\r\n        \"ionic-angular\": \"3.6.0\",\r\n        \"ionic-plugin-keyboard\": \"^2.2.1\",\r\n        \"ionicons\": \"3.0.0\",\r\n        \"rxjs\": \"5.4.0\",\r\n        \"sw-toolbox\": \"3.6.0\",\r\n        \"zone.js\": \"0.8.12\"\r\n    },\r\n    \"devDependencies\": {\r\n        \"@ionic\/app-scripts\": \"2.1.3\",\r\n        \"@ionic\/cli-plugin-ionic-angular\": \"1.4.1\",\r\n        \"ionic\": \"3.9.2\",\r\n        \"typescript\": \"2.3.4\"\r\n    },\r\n    \"description\": \"Ionic3API\",\r\n    \"cordova\": {\r\n        \"plugins\": {\r\n            \"cordova-plugin-console\": {},\r\n            \"cordova-plugin-device\": {},\r\n            \"cordova-plugin-splashscreen\": {},\r\n            \"cordova-plugin-statusbar\": {},\r\n            \"cordova-plugin-whitelist\": {},\r\n            \"ionic-plugin-keyboard\": {}\r\n        },\r\n        \"platforms\": [\r\n            \"android\"\r\n        ]\r\n    }\r\n}<\/pre>\n","protected":false},"excerpt":{"rendered":"
Ovim blog postom \u017eelim pokazati kako na jednostavan i brz na\u010din mo\u017eete napraviti Ionic aplikaciju koja \u0107e slati podatke na API. U ovom \u0107u slu\u010daju koristiti jednostavan JSON Server, ali jednako samo tako mogao koristiti i NodeJS API, API koji podr\u017eava slanje datoteka ili Google Drive API. Ali kao \u0161to sam i rekao, kako bi … Nastavi \u010ditati Ionic 3 – Slanje podataka na API<\/span><\/a><\/p>\n","protected":false},"author":1,"featured_media":5925,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_monsterinsights_skip_tracking":false,"_monsterinsights_sitenote_active":false,"_monsterinsights_sitenote_note":"","_monsterinsights_sitenote_category":0,"footnotes":""},"categories":[564,351],"tags":[376,352,400,457],"class_list":["post-5924","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-mobile","category-razvoj","tag-api","tag-ionic","tag-ionic-3","tag-json-server"],"yoast_head":"\nIonic 3 - Slanje podataka na API - Tomislav Stankovi\u0107<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.tomislavstankovic.com\/blog\/ionic3-slanje-podataka-api\/\" \/>\n<meta property=\"og:locale\" content=\"hr_HR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Ionic 3 - Slanje podataka na API - Tomislav Stankovi\u0107\" \/>\n<meta property=\"og:description\" content=\"Ovim blog postom \u017eelim pokazati kako na jednostavan i brz na\u010din mo\u017eete napraviti Ionic aplikaciju koja \u0107e slati podatke na API. U ovom \u0107u slu\u010daju koristiti jednostavan JSON Server, ali jednako samo tako mogao koristiti i NodeJS API, API koji podr\u017eava slanje datoteka ili Google Drive API. 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