구글 캘린더 API 자바 연동

2019. 4. 12. 20:23

구글 캘린더 API를 자바 기준으로 작성해보겠습니다.

1. 구글캘린더 API 연동

2. Controller구현

3. 화면구현

4. 실행화면

1. 구글캘린더 API 연동

밑에 google API 콘솔로 들어갑니다

https://console.developers.google.com/?hl=ko

프로젝트 만들기 클릭

프로젝트를 만들어줍니다.

라이브러리 -> Calendar API 클릭

사용 설정 클릭

사용자 인증 정보 만들기 클릭

java로 구현하기때문에 웹서버 -> 애플리케이션 데이터 -> 아니요 -> 사용자 인정 정보 클릭

서비스 계정 이름은 아무거나 적고 -> 역할도 적당히 설정 -> 키 유형 JSON 체크 -> 계속

사용자 동의화면을 정해줍니다. -> 저장클릭

사용자 인증 정보 만들기 -> OAuth 클라이언트 ID 클릭

기타유형 -> 생성

접속정보 JSON을 다운 받습니다.

파일명을 변경

client_secret.json

src/main/resources 경로에 넣어줍니다.

dependency

<groupId>com.google.api-client</groupId>

<artifactId>google-api-client</artifactId>

</dependency>

<groupId>com.google.oauth-client</groupId>

<artifactId>google-oauth-client-jetty</artifactId>

</dependency>

<groupId>com.google.apis</groupId>

<artifactId>google-api-services-calendar</artifactId>

</dependency>

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java로 접속할 객체를 만들어줍니다.

GoogleCalendarService.java

package com.t.hc.beans;

import java.io.IOException;

import java.io.InputStream;

import java.io.InputStreamReader;

import java.util.Arrays;

import java.util.List;

import com.google.api.client.auth.oauth2.Credential;

import com.google.api.client.extensions.java6.auth.oauth2.AuthorizationCodeInstalledApp;

import com.google.api.client.extensions.jetty.auth.oauth2.LocalServerReceiver;

import com.google.api.client.googleapis.auth.oauth2.GoogleAuthorizationCodeFlow;

import com.google.api.client.googleapis.auth.oauth2.GoogleClientSecrets;

import com.google.api.client.googleapis.javanet.GoogleNetHttpTransport;

import com.google.api.client.http.HttpTransport;

import com.google.api.client.json.JsonFactory;

import com.google.api.client.json.jackson2.JacksonFactory;

import com.google.api.client.util.store.FileDataStoreFactory;

import com.google.api.services.calendar.Calendar;

import com.google.api.services.calendar.CalendarScopes;

//import com.google.api.services.calendar.model.CalendarList;

//import com.google.api.services.calendar.model.CalendarListEntry;

public class GoogleCalendarService {

private static final String APPLICATION_NAME = "Google Calendar API Java Quickstart";

private static final java.io.File DATA_STORE_DIR = new java.io.File(

System.getProperty("user.home"),

".credentials/calendar-java-quickstart");

private static FileDataStoreFactory DATA_STORE_FACTORY;

private static final JsonFactory JSON_FACTORY = JacksonFactory

.getDefaultInstance();

private static HttpTransport HTTP_TRANSPORT;

private static final List<String> SCOPES = Arrays

.asList(CalendarScopes.CALENDAR);

static {

try {

HTTP_TRANSPORT = GoogleNetHttpTransport.newTrustedTransport();

DATA_STORE_FACTORY = new FileDataStoreFactory(DATA_STORE_DIR);

} catch (Throwable t) {

t.printStackTrace();

System.exit(1);

}

public static Credential authorize() throws IOException {

InputStream in = GoogleCalendarService.class

.getResourceAsStream("/client_secret.json");

GoogleClientSecrets clientSecrets = GoogleClientSecrets.load(

JSON_FACTORY, new InputStreamReader(in));

GoogleAuthorizationCodeFlow flow = new GoogleAuthorizationCodeFlow.Builder(

HTTP_TRANSPORT, JSON_FACTORY, clientSecrets, SCOPES)

.setDataStoreFactory(DATA_STORE_FACTORY)

.setAccessType("offline").build();

Credential credential = new AuthorizationCodeInstalledApp(flow,

new LocalServerReceiver()).authorize("user");

System.out.println("Credentials saved to "

+ DATA_STORE_DIR.getAbsolutePath());

return credential;

}

public static Calendar getCalendarService() throws IOException {

Credential credential = authorize();

return new Calendar.Builder(HTTP_TRANSPORT, JSON_FACTORY, credential)

.setApplicationName(APPLICATION_NAME).build();

}

// public static void main(String[] args) throws IOException {

// com.google.api.services.calendar.Calendar service = getCalendarService();

// // 캘린더 조회

// String pageToken = null;

// do {

// CalendarList calendarList = service.calendarList().list().setPageToken(pageToken).execute();

// List<CalendarListEntry> items1 = calendarList.getItems();

// for (CalendarListEntry calendarListEntry : items1) {

// System.out.println(calendarListEntry.getSummary());

// System.out.println(calendarListEntry.getId());

// }

// pageToken = calendarList.getNextPageToken();

// } while (pageToken != null);

// }

}

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접속 테스트를위해 main메소드를 돌려봅니다.

성공적으로 수행되면 최초호출시 권한요청 브라우저 창이 뜸니다.

성공적으로 calendar 목록데이터를 가져온걸 볼수있습니다.

CalendarDto.java 작성

package com.t.hc.dto;

import java.text.ParseException;

import java.text.SimpleDateFormat;

import java.util.Date;

public class CalendarDto {

private String summary;

private String startDate;

private String startTime;

private String endDate;

private String endTime;

private String description;

private String eventId;

private String calendarId;

{

description = "";

}

public CalendarDto() {}

public Date getStartDateTime() throws ParseException {

SimpleDateFormat format = new SimpleDateFormat("yyyy-MM-ddHH:mm");

return format.parse(startDate+startTime);

}

public Date getEndDateTime() throws ParseException {

SimpleDateFormat format = new SimpleDateFormat("yyyy-MM-ddHH:mm");

return format.parse(endDate+endTime);

}

public String getSummary() {

return summary;

}

public void setSummary(String summary) {

this.summary = summary;

}

public String getStartDate() {

return startDate;

}

public void setStartDate(String startDate) {

this.startDate = startDate;

}

public String getStartTime() {

return startTime;

}

public void setStartTime(String startTime) {

this.startTime = startTime;

}

public String getEndDate() {

return endDate;

}

public void setEndDate(String endDate) {

this.endDate = endDate;

}

public String getEndTime() {

return endTime;

}

public void setEndTime(String endTime) {

this.endTime = endTime;

}

public String getDescription() {

return description;

}

public void setDescription(String description) {

this.description = description;

}

public String getEventId() {

return eventId;

}

public void setEventId(String eventId) {

this.eventId = eventId;

}

public String getCalendarId() {

return calendarId;

}

public void setCalendarId(String calendarId) {

this.calendarId = calendarId;

}

@Override

public String toString() {

return "GoogleCalendarDto [summary=" + summary + ", startDate=" + startDate + ", startTime=" + startTime

+ ", endDate=" + endDate + ", endTime=" + endTime + ", description=" + description + ", eventId="

+ eventId + ", calendarId=" + calendarId + "]";

}

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2. Controller구현

캘린더 리스트 Controller 작성

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package com.t.hc;

import java.io.IOException;

import java.util.List;

import javax.servlet.http.HttpServletRequest;

import org.slf4j.Logger;

import org.slf4j.LoggerFactory;

import org.springframework.stereotype.Controller;

import org.springframework.ui.Model;

import org.springframework.web.bind.annotation.RequestMapping;

import org.springframework.web.bind.annotation.RequestMethod;

import com.google.api.services.calendar.Calendar;

import com.google.api.services.calendar.model.CalendarList;

import com.google.api.services.calendar.model.CalendarListEntry;

import com.t.hc.beans.GoogleCalendarService;

import com.t.hc.dto.CalendarDto;

@Controller

public class HandcodingController {

private Logger logger = LoggerFactory.getLogger(HandcodingController.class);

// 캘린더리스트

@RequestMapping(value="/coding.do", method=RequestMethod.GET)

public String coding(Model model) {

logger.info("calendarList");

try {

Calendar service = GoogleCalendarService.getCalendarService();

CalendarList calendarList = service.calendarList().list().setPageToken(null).execute();

List<CalendarListEntry> items = calendarList.getItems();

model.addAttribute("items", items);

} catch (IOException e) {

e.printStackTrace();

}

return "coding";

}

// 캘린더 생성 처리

@RequestMapping(value="/calendarAdd.do", method=RequestMethod.POST)

public String calendarAdd(CalendarDto calDto) {

logger.info("calendarAdd "+calDto.toString());

try {

Calendar service = GoogleCalendarService.getCalendarService();

com.google.api.services.calendar.model.Calendar calendar = new com.google.api.services.calendar.model.Calendar();

calendar.setSummary(calDto.getSummary());

calendar.setTimeZone("America/Los_Angeles");

service.calendars().insert(calendar).execute();

} catch (IOException e) {

e.printStackTrace();

}

return "redirect:/coding.do";

}

// 캘린더 삭제 처리

@RequestMapping(value="/calendarRemove.do", method=RequestMethod.POST)

public String calendarRemove(HttpServletRequest req) {

logger.info("calendarRemove");

String[] chkVal = req.getParameterValues("chkVal");

try {

Calendar service = GoogleCalendarService.getCalendarService();

for (String calendarId : chkVal) {

service.calendars().delete(calendarId).execute();

}

} catch (IOException e) {

e.printStackTrace();

}

return "redirect:/coding.do";

}

// 캘린더 수정 처리

@RequestMapping(value="/calendarModify.do", method=RequestMethod.POST)

public String calendarModify(CalendarDto calDto) {

logger.info("calendarModify "+calDto.toString());

try {

Calendar service = GoogleCalendarService.getCalendarService();

com.google.api.services.calendar.model.Calendar calendar = service.calendars().get(calDto.getCalendarId()).execute();

calendar.setSummary(calDto.getSummary());

service.calendars().update(calendar.getId(), calendar).execute();

} catch (IOException e) {

e.printStackTrace();

}

return "redirect:/coding.do";

}

// 캘린더 이동처리

@RequestMapping(value="/schdule.do", method=RequestMethod.GET)

public String schdule(Model model, String calendarId, String title) {

logger.info("schdule");

model.addAttribute("calendarId", calendarId);

model.addAttribute("title", title);

return "schdule";

}

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일정이벤트 핸들링할 ajax컨트롤러 작성

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package com.t.hc;

import java.io.IOException;

import java.text.ParseException;

import java.util.ArrayList;

import java.util.HashMap;

import java.util.List;

import java.util.Map;

import org.slf4j.Logger;

import org.slf4j.LoggerFactory;

import org.springframework.web.bind.annotation.RequestMapping;

import org.springframework.web.bind.annotation.RequestMethod;

import org.springframework.web.bind.annotation.RestController;

import com.google.api.client.util.DateTime;

import com.google.api.services.calendar.Calendar;

import com.google.api.services.calendar.model.Event;

import com.google.api.services.calendar.model.EventDateTime;

import com.google.api.services.calendar.model.Events;

import com.t.hc.beans.GoogleCalendarService;

import com.t.hc.dto.CalendarDto;

@RestController

public class CalendarAjaxController {

private Logger logger = LoggerFactory.getLogger(CalendarAjaxController.class);

// 일정 데이터 처리

@RequestMapping(value="/calendarEventList.do", method=RequestMethod.POST)

public List<Event> calendarEventList(CalendarDto calDto) {

logger.info("calendarEventList "+calDto.toString());

List<Event> items = new ArrayList<Event>();

try {

com.google.api.services.calendar.Calendar service = GoogleCalendarService.getCalendarService();

Events events = service.events().list(calDto.getCalendarId()).setOrderBy("startTime").setSingleEvents(true).execute();

items = events.getItems();

} catch (IOException e) {

e.printStackTrace();

}

return items;

}

// 일정 저장 처리

@RequestMapping(value="/calendarEventAdd.do", method=RequestMethod.POST)

public Map<String, Boolean> calendarEventAdd(CalendarDto calDto) {

logger.info("calendarEventAdd "+calDto.toString());

boolean isc = false;

try {

Calendar service = GoogleCalendarService.getCalendarService();

Event event = new Event().setSummary(calDto.getSummary()).setDescription(calDto.getDescription());

//시작일

DateTime startDateTime = new DateTime(calDto.getStartDateTime());

EventDateTime start = new EventDateTime().setDateTime(startDateTime).setTimeZone("America/Los_Angeles");

event.setStart(start);

//종료일

DateTime endDateTime = new DateTime(calDto.getEndDateTime());

EventDateTime end = new EventDateTime().setDateTime(endDateTime).setTimeZone("America/Los_Angeles");

event.setEnd(end);

event = service.events().insert(calDto.getCalendarId(), event).execute();

isc = true;

} catch (IOException | ParseException e) {

e.printStackTrace();

}

Map<String, Boolean> map = new HashMap<String, Boolean>();

map.put("isc", isc);

return map;

}

// 일정 삭제

@RequestMapping(value="/calendarEventRemoveOne.do", method=RequestMethod.POST)

public Map<String, Boolean> calendarEventRemoveOne(CalendarDto calDto) {

logger.info("calendarEventRemoveOne "+calDto.toString());

boolean isc = false;

try {

Calendar service = GoogleCalendarService.getCalendarService();

service.events().delete(calDto.getCalendarId(), calDto.getEventId()).execute();

isc = true;

} catch (IOException e) {

e.printStackTrace();

}

Map<String, Boolean> map = new HashMap<String, Boolean>();

map.put("isc", isc);

return map;

}

// 일정 수정

@RequestMapping(value="/calendarEventModify.do", method=RequestMethod.POST)

public Map<String, Boolean> calendarEventModify(CalendarDto calDto) {

logger.info("calendarEventModify "+calDto.toString());

boolean isc = false;

try {

Calendar service = GoogleCalendarService.getCalendarService();

Event event = service.events().get(calDto.getCalendarId(), calDto.getEventId()).execute();

event.setSummary(calDto.getSummary()).setDescription(calDto.getDescription());

service.events().update(calDto.getCalendarId(), event.getId(), event).execute();

isc = true;

} catch (IOException e) {

e.printStackTrace();

}

Map<String, Boolean> map = new HashMap<String, Boolean>();

map.put("isc", isc);

return map;

}

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3. 화면구현

캘린더 리스트화면

coding.jsp

<%@ page language="java" contentType="text/html; charset=UTF-8" pageEncoding="UTF-8"%>

<%@taglib prefix="c" uri="http://java.sun.com/jsp/jstl/core"%>

<!DOCTYPE html>

<html>

<head>

</head>

<body>

<tr>

<th>캘린더이름</th>

<th>캘린더코드</th>

</tr>

<c:forEach items="${items}" var="item">

<tr>

<a href="./schdule.do?calendarId=${item.id}&title=${item.summary}">${item.summary}</a>

</td>

</tr>

</c:forEach>

</table>

</form>

<input type="button" class='btn btn-sm btn-warning' value="캘린더 생성"

onclick="calendarAddForm()" />

<input type="button" class='btn btn-sm btn-warning' value="캘린더 수정"

onclick="calendarModifyForm()" />

<input type="button" class='btn btn-sm btn-warning' value="캘린더 삭제"

onclick="calendarRemove()" />

</div>

<label>캘린더이름</label><input class='form-control' type="text"

name='summary' id='summary' />

</div>

<input type="button" class='btn btn-sm btn-warning' value="확인"

onclick="calendarAdd()" /> <input type="reset"

class='btn btn-sm btn-warning' value="초기화" /> <input

type='button' class='btn btn-sm btn-warning'

data-dismiss='modal' value="취소" />

</div>

</form>

</div>

</div>

<form action="./calendarModify.do" method='post'

id='frmCalendarModify'>

<label>캘린더이름</label><input class='form-control' type="text"

name='summary' id='summaryModify' />

</div>

<input type="button" class='btn btn-sm btn-warning' value="확인"

onclick="calendarModify()" /> <input type="reset"

class='btn btn-sm btn-warning' value="초기화" /> <input

type='button' class='btn btn-sm btn-warning'

data-dismiss='modal' value="취소" />

</div>

</form>

</div>

</body>

</html>

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캘린더 일정화면

schdule.jsp

<%@ page language="java" contentType="text/html; charset=UTF-8" pageEncoding="UTF-8"%>

<!DOCTYPE html>

<html>

<head>

href='./css/sweetalert.css?ver=1.2'>

thead {

text-align: center;

}

thead td {

width: 100px;

}

#tbody td {

height: 150px;

}

#yearMonth {

font: bold;

font-size: 18px;

}

</style>

</head>

<body>

<tr>

<button type='button' class='btn btn-sm btn-warning'

id='moveFastPre' onclick="moveFastMonthPre()">«</button>

<button type='button' class='btn btn-sm btn-warning' id='movePre'

onclick="moveMonthPre()">‹</button> <span

id='yearMonth'></span>

<button type='button' class='btn btn-sm btn-warning' id='moveNext'

onclick="moveMonthNext()">›</button>

<button type='button' class='btn btn-sm btn-warning'

id='moveFastNext' onclick="moveFastMonthNext()">»</button>

<span>${title}</span> <input class='btn btn-sm btn-info'

type="button" value="주" onclick='tabWeek()' /> <input

class='btn btn-sm btn-info' type="button" value="월"

onclick='tabMonth()' /> <input class='btn btn-sm btn-info'

type="button" value="목록" onclick='location.href="./coding.do"' />

</div>

</td>

</tr>

<tr>

</tr>

</thead>

</table>

</div>

<form class='form-margin40' role='form' action="#" method='post'

id='frmSchdule'>

<label>제목</label> <input type='text' class='form-control'

id='summary' name='summary'

placeholder="예: 오후 7시에 멕시코 음식점에서 저녁식사">

</div>

<label>시작시간</label> <input class='form-control' type="time"

id='startTime' name='startTime'>

</div>

<label>시작날짜</label> <input class='form-control startDate'

type="date" id='startDate' name='startDate' readonly="readonly">

</div>

<label>종료시간</label> <input class='form-control' type="time"

id='endTime' name='endTime'>

</div>

<label>종료날짜</label> <input class='form-control startDate'

type="date" id='endDate' name='endDate'>

</div>

<textarea rows="7" class='form-control' id="description"

name='description'></textarea>

</div>

<input type="button" class='btn btn-sm btn-warning' value="확인"

onclick="calendarSchduleAdd()" /> <input type="reset"

class='btn btn-sm btn-warning' value="초기화" /> <input

type='button' class='btn btn-sm btn-warning'

data-dismiss='modal' value="취소" />

</div>

</form>

</div>

</div>

<form class='form-margin40' role='form' action="#" method='post'

id='frmSchduleModify'>

<label>제목</label> <input type='text' class='form-control'

id='modifySummary' name='summary'>

</div>

<textarea rows="7" class='form-control' id="modifyDescription"

name='description'></textarea>

</div>

<input type="hidden" id="modifyEventId" name="eventId" /> <input

type="hidden" name="calendarId" value="${calendarId}" />

<input type="button" class='btn btn-sm btn-warning' value="확인"

onclick="modifyEvent()" /> <input type="reset"

class='btn btn-sm btn-warning' value="초기화" /> <input

type='button' class='btn btn-sm btn-warning'

data-dismiss='modal' value="취소" />

</div>

</form>

</div>

</body>

</html>

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화면 라이브러리는 부트스트랩, jQuery, sweetalert을 씁니다.

기타 util javaScript

stringBuffer.js

// StringBuffer

var StringBuffer = function() {

this.buffer = new Array();

};

StringBuffer.prototype.append = function(str) {

this.buffer[this.buffer.length] = str;

};

StringBuffer.prototype.toString = function() {

return this.buffer.join("");

};

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달력연산객체를 하나 만들어줍니다.

calendar.js

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// 캘린더 객체

var calendar = {

LEAF : [ 31, 29, 31, 30, 31, 30, 31, 31, 30, 31, 30, 31 ], //윤년

PLAIN : [ 31, 28, 31, 30, 31, 30, 31, 31, 30, 31, 30, 31 ], //평년

iscLeafCheck :

//윤년 판단

function(year) {

var isc = false;

if ((year % 4 == 0 && year % 100 != 0) || year % 400 == 0) { // 윤년이면

isc = true;

}

return isc;

daysY :

//년도에 따른 일수 누적

function(year) {

var daySum = 0;

for (var i = 1; i < year; i++) {

if (this.iscLeafCheck(i)) {

daySum += 366;

} else {

daySum += 365;

}

return daySum;

daysM :

//년도누적 + 월 일수 누적

function(year, month) {

var daySum = this.daysY(year);

for (var i = 1; i < month; i++) {

daySum += this.PLAIN[i - 1];

}

if (month >= 2 && this.iscLeafCheck(year)) {

daySum++;

}

return daySum;

daysD :

//년도누적 + 월 누적 + 일수 누적

function(year, month, day) {

return this.daysM(year, month) + day;

lastDay :

// 구하고자 하는 년월의 최대 일수

function(year, month) {

var last_day = 0;

if (this.iscLeafCheck(year)) {

last_day = this.LEAF[month - 1];

} else {

last_day = this.PLAIN[month - 1];

}

return last_day;

isBeforeDays :

// 앞의 달에 년도 분기

function(year, month) {

var days = 0;

if (month == 1) {

days = this.lastDay(year - 1, 12);

} else {

days = this.lastDay(year, month - 1);

}

return days;

make :

// 해당달력을 배열로 반환

function(year, month) {

var dateOfWeek = (this.daysD(year, month, 1)) % 7;

var beforeLastDay = this.isBeforeDays(year, month);

var startLastDay = beforeLastDay - dateOfWeek + 1;

var last_day = this.lastDay(year, month); // 구하고자 하는 년월의 최대 일수

var lastWeekDays = (7 - (dateOfWeek + last_day) % 7) % 7;

if (this.iscLeafCheck(year)) {

startLastDay++;

lastWeekDays++;

}

var dayArray = new Array();

var cnt = 0;

for (var i = startLastDay; i <= beforeLastDay; i++, cnt++) {

dayArray[cnt] = i;

}

for (var i = 1; i <= last_day; i++, cnt++) {

dayArray[cnt] = i;

}

for (var i = 1; i <= lastWeekDays; i++, cnt++) {

dayArray[cnt] = i;

}

return dayArray;

makeOne :

// 달력 한개만

function(year, month){

var last_day = this.lastDay(year, month); // 구하고자 하는 년월의 최대 일수

var dayArray = new Array();

var cnt = 0;

for (var i = 1; i <= last_day; i++, cnt++) {

dayArray[cnt] = i;

}

return dayArray;

}

Colored by Color Scripter

캘린더 리스트 화면을 핸들링할 javaScript

calendarList.js

// 캘린더 생성폼 호출

function calendarAddForm() {

$('#calendarAddForm').modal();

}

// 캘린더 생성 처리

function calendarAdd() {

var summary = $('#summary').val();

if(summary.trim() == '' || summary.trim().length == 0) {

swal('이름','입력해주세요');

return false;

}

$('#frmCalendarAdd').submit();

}

//전체체크

function checkAllDel(bool) {

var chkVal = document.getElementsByName("chkVal");

for (var i = 0; i < chkVal.length; i++) {

chkVal[i].checked = bool;

}

//캘린더 삭제

function calendarRemove() {

var chkVal = document.getElementsByName("chkVal");

var n = 0;

for (var i = 0; i < chkVal.length; i++) {

if(chkVal[i].checked == true){

n++;

}

if(n>0){

$('#frmCalendarRemove').submit();

}else {

swal("캘린더 삭제", '선택해주세요');

}

// 캘린더 수정 호출

function calendarModifyForm() {

var chkVal = document.getElementsByName("chkVal");

var summarys = document.getElementsByName("summarys");

var n = 0;

var calendarId = '';

var summary = '';

for (var i = 0; i < chkVal.length; i++) {

if(chkVal[i].checked == true){

n++;

calendarId = chkVal[i].value;

summary = summarys[i].value;

}

if(n==1) {

$('#frmCalendarModify').find('#summaryModify').val(summary);

$('#frmCalendarModify').find('#calendarIdModify').val(calendarId);

}else if(n>1) {

swal("캘린더 수정", '1개만 선택해주세요');

return false;

}else {

swal("캘린더 수정", '선택해주세요');

return false;

}

$('#calendarModifyForm').modal();

}

// 캘린더 수정 처리

function calendarModify() {

$('#frmCalendarModify').submit();

}

Colored by Color Scripter

일정을 핸들링할 js

calendarSchdule.js

var data = {} // List<Event>

var locationMonth = 0; // 현재 달력위치

var locationYear = 0; // 현재 년도위치

var locationWeek = 0; // 현재 주차위치

// 날짜 테그를 만들어준다

function dayTagFormat(year, month, day) {

var tag = new StringBuffer();

tag.append("<td id="+year+month+day+">");

tag.append("<a onclick='schduleAdd("+year+","+month+","+day+")'>"+numFormat(day)+"</a>");

tag.append("</td>");

return tag.toString();

}

//숫자 5 -> 05 변경

function numFormat(num) {

var str = ''+num;

if(num<10 && str.indexOf('0') == -1 || str.length == 1) {

str = '0'+num;

}

return str;

}

// 시간을 리턴한다

function getTime(item) {

return numFormat(item.getHours()) + ":" + numFormat(item.getMinutes());

}

// 일정추가 폼

function schduleAdd(year, month, day) {

$('.startDate').val(year + "-" + numFormat(month) + "-" + numFormat(day));

$('#summary').val('');

$('#startTime').val('');

$('#endTime').val('');

$('#description').val('');

$('#schduleForm').modal();

}

// 유효성 검사 일정 저장처리

function calendarSchduleAdd() {

var summary = $('#summary').val();

var startTime = $('#startTime').val().split(":");

var endTime = $('#endTime').val().split(":");

if(summary.trim() == '' || summary.trim().length == 0) {

swal('제목','입력해주세요');

return false;

}else if($('#startTime').val() == '') {

swal('시작시간','입력해주세요');

return false;

}else if($('#endTime').val() == '') {

swal('종료시간','입력해주세요');

return false;

}else if(new Date(0,0,0,endTime[0],endTime[1]).getTime() - new Date(0,0,0,startTime[0],startTime[1]).getTime() < 0) {

swal('시간','종료시간이 시작시간보다 늦습니다');

return false;

}else if($('#endDate').val() == '') {

swal('종료날짜','입력해주세요');

return false;

}else if(new Date($('#endDate').val()).getTime() - new Date($('#startDate').val()).getTime() < 0) {

swal('날짜','종료일이 시작일보다 늦습니다');

return false;

}

$("#schduleForm").modal('hide');

swal('calendar', 'google토큰이 필요합니다.');

$.ajax({

url: './calendarEventAdd.do',

type: 'post',

async: false,

data : $('#frmSchdule').serialize(),

success: function(msg) {

if(msg.isc) {

swal('저장', '성공하였습니다');

}else {

swal('저장', '실패하였습니다');

}

});

calendarEventList();

screenWriteMonth();

}

//달력의 해당 날짜의 요일을 구하기위해 현재위치 반환

function monthDayIndex(month, day) {

for(var i=0; i<month.length; i++) {

if(month[i]==day) {

return i;

}

// 달력 이전으로 이동

function moveMonthPre() {

locationMonth--;

screenWriteMonth();

}

// 달력 다음으로 이동

function moveMonthNext() {

locationMonth++;

screenWriteMonth();

}

// 달력 이전 년도로 이동

function moveFastMonthPre() {

locationYear--;

screenWriteMonth();

}

// 달력 다음 년도로 이동

function moveFastMonthNext() {

locationYear++;

screenWriteMonth();

}

// 화면에 달력과 이벤트를 그려준다

function screenWriteMonth() {

var date = new Date();

var month = date.getMonth()+1+locationMonth;

if(month == 0) {

locationYear--;

locationMonth = 12 - Math.abs(locationMonth);

month = date.getMonth()+1+locationMonth;

}else if(month == 13) {

locationYear++;

locationMonth = locationMonth - 12;

month = date.getMonth()+1+locationMonth;

}

var months = [month-1, month, month+1];

if(month == 1) {

months = [12, month, month+1];

}else if(month == 12) {

months = [month-1, month, 1];

}

var year = date.getFullYear()+locationYear;

var monthDay = calendar.make(year, months[1]);

var tag = new StringBuffer();

var startIndex = monthDayIndex(monthDay, 1);

var lastIndex = monthDayIndex(calendar.makeOne(year, months[1]), calendar.lastDay(year, months[1])) + startIndex;

for(var i=0; i<monthDay.length; i++) {

if(i%7 == 0) {

tag.append('<tr>');

}

if(i<startIndex) {

if(months[0]==12) {

tag.append(dayTagFormat(year-1, months[0], monthDay[i]));

}else {

tag.append(dayTagFormat(year, months[0], monthDay[i]));

}

}else if(i <= lastIndex) {

tag.append(dayTagFormat(year, months[1], monthDay[i]));

}else {

if(months[2]==1) {

tag.append(dayTagFormat(year+1, months[2], monthDay[i]));

}else {

tag.append(dayTagFormat(year, months[2], monthDay[i]));

}

if(i%7 == 6) {

tag.append('</tr>');

}

$('#tbody').html(tag.toString());

$('#yearMonth').text(year + "년 " + numFormat(months[1]) + "월");

if(data.chk) {

for(var i=0; i<data.cnt; i++) {

var itemMonth = data.start[i].getMonth()+1;

var itemYear = data.start[i].getFullYear();

if((itemMonth == months[1] || itemMonth == months[0] || itemMonth == months[2])

&& (itemYear == year || itemYear == year-1 || itemYear == year+1)) {

$('#'+itemYear+itemMonth+data.start[i].getDate()).append(eventTagFormat(getTime(data.start[i]), data.title[i], data.eventId[i], data.description[i]));

}

// 일정 태그를 만들어 준다

function eventTagFormat(time, title, eventId, description) {

var tag = new StringBuffer();

tag.append("<p>");

tag.append('<a data-toggle="collapse" data-target="#collapseExample'+eventId+'" aria-expanded="false" aria-controls="collapseExample" onclick="collapse(\''+eventId+'\')">');

tag.append(time+" "+title);

tag.append('</a>');

tag.append('<div class="collapse" id="collapseExample'+eventId+'">');

if(description == null) {

tag.append('<div class="well">내용이 없습니다</div>');

}else {

tag.append('<div class="well">'+description+'</div>');

}

tag.append('<div style="text-align: right;"><input type="button" class="btn btn-sm btn-warning" value="수정" onclick="modifyEventModal(\''+title+'\',\''+eventId+'\',\''+description+'\')"/> ');

tag.append('<input type="button" class="btn btn-sm btn-warning" value="삭제" onclick="removeEventOne(\''+eventId+'\')"/></div>');

tag.append('</div>');

tag.append("</p>");

return tag.toString();

}

// collapse 처리

function collapse(eventId) {

$('.collapse').not('#collapseExample'+eventId).each(function(){

$(this).attr('class', 'collapse collapse');

});

}

// 일정수정 modal

function modifyEventModal(title, eventId, description) {

$('#modifySummary').val(title);

if(description != 'undefined') {

$('#modifyDescription').val(description);

}else {

$('#modifyDescription').val('');

}

$('#modifyEventId').val(eventId);

$('#schduleFormModify').modal();

}

// 일정수정 처리

function modifyEvent() {

var summary = $('#modifySummary').val();

if(summary.trim() == '' || summary.trim().length == 0) {

swal('제목','입력해주세요');

return false;

}

$("#schduleFormModify").modal('hide');

$.ajax({

url: './calendarEventModify.do',

type: 'post',

async: false,

data: $('#frmSchduleModify').serialize(),

success: function(msg) {

if(msg.isc) {

swal('수정', '성공하였습니다');

}else {

swal('수정', '실패하였습니다');

}

});

calendarEventList();

if($('#chk').val() == '1') {

screenWriteWeek();

}else {

screenWriteMonth();

}

// 일정삭제

function removeEventOne(eventId) {

$.ajax({

url: './calendarEventRemoveOne.do',

type: 'post',

async: false,

data : {

"eventId" : eventId,

"calendarId" : $('#calendarId').val()

success: function(msg) {

if(msg.isc) {

swal('삭제', '성공하였습니다');

}else {

swal('삭제', '실패하였습니다');

}

});

calendarEventList();

if($('#chk').val() == '1') {

screenWriteWeek();

}else {

screenWriteMonth();

}

// ajax로 이벤트 데이터를 받는다

function calendarEventList() {

$.ajax({

url: './calendarEventList.do',

type: 'post',

data: {

"calendarId" : $('#calendarId').val()

async: false,

success: function(lists) {

if(lists.length != 0) {

data.chk = true;

data.cnt = lists.length;

data.title = new Array();

data.description = new Array();

data.start = new Array();

data.end = new Array();

data.eventId = new Array();

$.each(lists, function(i, item){

data.title[i] = item.summary;

data.description[i] = item.description;

data.start[i] = new Date(item.start.dateTime.value);

data.end[i] = new Date(item.end.dateTime.value);

data.eventId[i] = item.id;

});

}else {

data.chk = false;

}

});

}

// 주단위로 화면에 그린다

function screenWriteWeek() {

var date = new Date();

var month = date.getMonth()+1+locationMonth;

if(month == 0) {

locationYear--;

locationMonth = 12 - Math.abs(locationMonth);

month = date.getMonth()+1+locationMonth;

}else if(month == 13) {

locationYear++;

locationMonth = locationMonth - 12;

month = date.getMonth()+1+locationMonth;

}

var year = date.getFullYear()+locationYear;

if(locationWeek < 0) {

locationMonth--;

month = date.getMonth()+1+locationMonth;

if(month == 0) {

locationYear--;

locationMonth = 12 - Math.abs(locationMonth);

month = date.getMonth()+1+locationMonth;

year = date.getFullYear()+locationYear;

}

if(new Date(year, month-1, calendar.lastDay(year, month)).getDay() == 6) {

locationWeek = calendar.make(year, month).length/7-1;

}else {

locationWeek = calendar.make(year, month).length/7-2;

}

}else if(locationWeek > calendar.make(year, month).length/7-2) {

locationMonth++;

month = date.getMonth()+1+locationMonth;

if(month == 13) {

locationYear++;

locationMonth = locationMonth - 12;

month = date.getMonth()+1+locationMonth;

year = date.getFullYear()+locationYear;

}

locationWeek = 0;

}

var months = [month-1, month, month+1];

if(month == 1) {

months = [12, month, month+1];

}else if(month == 12) {

months = [month-1, month, 1];

}

var monthDay = calendar.make(year, months[1]);

var start = 0+locationWeek*7;

var last = 6+locationWeek*7;

var startIndex = monthDayIndex(monthDay, 1);

var lastIndex = monthDayIndex(calendar.makeOne(year, months[1]), calendar.lastDay(year, months[1])) + startIndex;

for(var i=start; i<=last; i++) {

if(i<startIndex) {

$('.week').eq(i%7).text('('+numFormat(months[0])+'.'+numFormat(monthDay[i])+')');

}else if(i <= lastIndex) {

$('.week').eq(i%7).text('('+numFormat(months[1])+'.'+numFormat(monthDay[i])+')');

}else {

$('.week').eq(i%7).text('('+numFormat(months[2])+'.'+numFormat(monthDay[i])+')');

}

if(locationWeek != 0) {

$('#yearMonth').text(year + "년 " + numFormat(months[1]) + "월 " + numFormat(monthDay[start]) + "일 ~ " + numFormat(months[1]) + "월 " + numFormat(monthDay[last]) + "일");

}else {

if(months[1] == 1) {

$('#yearMonth').text((year-1) + "년 " + numFormat(months[0]) + "월 " + numFormat(monthDay[start]) + "일 ~ " + year + "년 " + numFormat(months[1]) + "월 " + numFormat(monthDay[last]) + "일");

}else {

$('#yearMonth').text(year + "년 " + numFormat(months[0]) + "월 " + numFormat(monthDay[start]) + "일 ~ " + numFormat(months[1]) + "월 " + numFormat(monthDay[last]) + "일");

}

var tag = new StringBuffer();

for(var i=0, j=0, k=0; i<384; i++) {

if(i%8 == 0) {

tag.append('<tr style="text-align: center;">');

j++;

}

if(j%2 == 1) {

if(i%8 == 0) {

tag.append('<td rowspan="2" style="height: 5px;></td>');

tag.append('<td style="height: 5px; border-bottom: 1px dotted orange;">'+numFormat(k++)+':00</td>');

}else {

tag.append('<td class="'+j+'" style="height: 5px; border-bottom: 1px dotted orange;"></td>');

}

}else {

if(i%8 < 7) {

tag.append('<td class="'+j+'" style="height: 5px; border-top: 1px dotted orange;"></td>');

}

if(i%8 == 7) {

tag.append('</tr>');

}

$('#tbody').html(tag.toString());

// 캘린더 날짜정보 처리 고민필요 지금은 귀찮으니 대충 작성

if(data.chk) {

for(var i=start; i<=last; i++) {

for(var j=0; j<data.cnt; j++) {

if(i<startIndex) {

weekStartTimeAppend(i, j, monthDay, months, year, -1);

weekEndTimeAppend(i, j, monthDay, months, year, -1);

}else if(i <= lastIndex) {

if(monthDay[i] == data.start[j].getDate() && months[1] == data.start[j].getMonth()+1 && year == data.start[j].getFullYear()) {

if(data.start[j].getMinutes() < 30) {

$('.'+(data.start[j].getHours()*2+1)).eq(i%7).html(eventTagFormat(getTime(data.start[j]), data.title[j], data.eventId[j], data.description[j]));

}else {

$('.'+(data.start[j].getHours()*2+2)).eq(i%7).html(eventTagFormat(getTime(data.start[j]), data.title[j], data.eventId[j], data.description[j]));

}

if(data.start[j].getHours() != data.end[j].getHours() || (data.start[j].getMinutes() < 30 && data.end[j].getMinutes() >= 30)) {

if(monthDay[i] == data.end[j].getDate() && months[1] == data.end[j].getMonth()+1 && year == data.end[j].getFullYear()) {

if(data.end[j].getMinutes() < 30) {

$('.'+(data.end[j].getHours()*2+1)).eq(i%7).html(eventTagFormatEnd(getTime(data.end[j]), data.title[j], data.eventId[j], data.description[j]));

}else {

$('.'+(data.end[j].getHours()*2+2)).eq(i%7).html(eventTagFormatEnd(getTime(data.end[j]), data.title[j], data.eventId[j], data.description[j]));

}

}else {

weekStartTimeAppend(i, j, monthDay, months, year, 1);

weekEndTimeAppend(i, j, monthDay, months, year, 1);

}

// startTime Tag append

function weekStartTimeAppend(i, j, monthDay, months, year, num) {

if(monthDay[i] == data.start[j].getDate() && months[0] == data.start[j].getMonth()+1) {

if(months[0] == 12 && year+num == data.start[j].getFullYear()) {

if(data.start[j].getMinutes() < 30) {

$('.'+(data.start[j].getHours()*2+1)).eq(i%7).html(eventTagFormat(getTime(data.start[j]), data.title[j], data.eventId[j], data.description[j]));

}else {

$('.'+(data.start[j].getHours()*2+2)).eq(i%7).html(eventTagFormat(getTime(data.start[j]), data.title[j], data.eventId[j], data.description[j]));

}

}else if(year == data.start[j].getFullYear()) {

if(data.start[j].getMinutes() < 30) {

$('.'+(data.start[j].getHours()*2+1)).eq(i%7).html(eventTagFormat(getTime(data.start[j]), data.title[j], data.eventId[j], data.description[j]));

}else {

$('.'+(data.start[j].getHours()*2+2)).eq(i%7).html(eventTagFormat(getTime(data.start[j]), data.title[j], data.eventId[j], data.description[j]));

}

// endTime Tag append

function weekEndTimeAppend(i, j, monthDay, months, year, num) {

if(data.start[j].getHours() != data.end[j].getHours() || (data.start[j].getMinutes() < 30 && data.end[j].getMinutes() >= 30)) {

if(monthDay[i] == data.end[j].getDate() && months[2] == data.end[j].getMonth()+1) {

if(months[2] == 1 && year+num == data.end[j].getFullYear()) {

if(data.end[j].getMinutes() < 30) {

$('.'+(data.end[j].getHours()*2+1)).eq(i%7).html(eventTagFormatEnd(getTime(data.end[j]), data.title[j], data.eventId[j], data.description[j]));

}else {

$('.'+(data.end[j].getHours()*2+2)).eq(i%7).html(eventTagFormatEnd(getTime(data.end[j]), data.title[j], data.eventId[j], data.description[j]));

}

}else if(year == data.end[j].getFullYear()) {

if(data.end[j].getMinutes() < 30) {

$('.'+(data.end[j].getHours()*2+1)).eq(i%7).html(eventTagFormatEnd(getTime(data.end[j]), data.title[j], data.eventId[j], data.description[j]));

}else {

$('.'+(data.end[j].getHours()*2+2)).eq(i%7).html(eventTagFormatEnd(getTime(data.end[j]), data.title[j], data.eventId[j], data.description[j]));

}

//일정 종료 태그를 만들어 준다

function eventTagFormatEnd(time, title, eventId, description) {

var tag = new StringBuffer();

tag.append("<p>");

tag.append('<a style="color: red;" data-toggle="collapse" data-target="#collapseExample'+eventId+'" aria-expanded="false" aria-controls="collapseExample" onclick="collapse(\''+eventId+'\')">');

tag.append(time+" "+title);

tag.append('</a>');

tag.append("</p>");

return tag.toString();

}

// 이전 주 이동

function moveWeekPre() {

locationWeek--;

screenWriteWeek();

}

// 다음 주 이동

function moveWeekNext() {

locationWeek++;

screenWriteWeek();

}

//이전 달 주 이동

function moveFastWeekPre() {

locationMonth--;

screenWriteWeek();

}

// 다음 달 주 이동

function moveFastWeekNext() {

locationMonth++;

screenWriteWeek();

}

// 주단위로 바꾼다

function tabWeek() {

$('#movePre').attr('onclick', 'moveWeekPre()');

$('#moveNext').attr('onclick', 'moveWeekNext()');

$('#moveFastPre').attr('onclick', 'moveFastWeekPre()');

$('#moveFastNext').attr('onclick', 'moveFastWeekNext()');

if($('#chk').val() != '1') {

$('#thead tr:eq(0) td:eq(0)').attr('colspan', '8');

$('#thead tr:eq(1)').prepend('<td>시간</td>');

$('#chk').val('1');

}

screenWriteWeek();

}

// 월단위로 바꾼다

function tabMonth() {

$('#movePre').attr('onclick', 'moveMonthPre()');

$('#moveNext').attr('onclick', 'moveMonthNext()');

$('#moveFastPre').attr('onclick', 'moveFastMonthPre()');

$('#moveFastNext').attr('onclick', 'moveFastMonthNext()');

if($('#chk').val() != '0') {

$('#thead tr:eq(0) td:eq(0)').attr('colspan', '7');

$('#thead tr:eq(1) td:eq(0)').remove();

$('.week').text('');

$('#chk').val('0');

}

screenWriteMonth();

}

$(document).ready(function(){

calendarEventList();

screenWriteMonth();

});

Colored by Color Scripter

4. 실행화면

캘린더 리스트 화면

캘린더 생성시 modal처리 화면

캘린더 수정시 modal처리 화면

캘린더 삭제시 sweetalert처리 화면

일정 월 처리화면

일정 주 처리화면

일정 상세보기 화면

일정등록 modal처리 화면

일정 수정처리 modal처리 화면

일정 삭제시 sweetalert처리 화면

일정 주 상세보기 화면

이상으로 google calendar API 구현이였는데요

저는 java로 구현했기때문에

만약 배포시 권한동의화면을 띄워야하는데 전혀 써먹지 못합니다.(java코드에서 브라우저를 실행시키기때문에 ㅋㅋ)

소감으로는 API를 쓰는데 생각보다 많은 노력이 필요하고 그 시간에 DB구축하고도 남아돌기 때문에 추천하지 않습니다.

만약 만든다면 배포할때를 위해 javaScript로 구현하시기 바랍니다.

참고 API문서

연동 : https://developers.google.com/google-apps/calendar/quickstart/js

CRUD 코드 : https://developers.google.com/google-apps/calendar/v3/reference/events/get

Data속성 : https://developers.google.com/google-apps/calendar/v3/reference/events

GoogleCalendarAPI.zip

출처 : https://handcoding.tistory.com/20

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