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iOS -- 获取24节气和节日

iOS -- 获取24节气和节日

作者: __Paddington__ | 来源:发表于2016-10-18 10:57 被阅读387次

获取24节气

//24节气只有(1901 - 2050)之间为准确的节气

const  int START_YEAR =1901;

const  int END_YEAR  =2050;

static int32_t gLunarHolDay[]=

{

0X96,0XB4, 0X96,0XA6, 0X97,0X97, 0X78,0X79, 0X79,0X69, 0X78,0X77,  //1901

0X96,0XA4, 0X96,0X96, 0X97,0X87, 0X79,0X79, 0X79,0X69, 0X78,0X78,  //1902

0X96,0XA5, 0X87,0X96, 0X87,0X87, 0X79,0X69, 0X69,0X69, 0X78,0X78,  //1903

0X86,0XA5, 0X96,0XA5, 0X96,0X97, 0X88,0X78, 0X78,0X79, 0X78,0X87,  //1904

0X96,0XB4, 0X96,0XA6, 0X97,0X97, 0X78,0X79, 0X79,0X69, 0X78,0X77,  //1905

0X96,0XA4, 0X96,0X96, 0X97,0X97, 0X79,0X79, 0X79,0X69, 0X78,0X78,  //1906

0X96,0XA5, 0X87,0X96, 0X87,0X87, 0X79,0X69, 0X69,0X69, 0X78,0X78,  //1907

0X86,0XA5, 0X96,0XA5, 0X96,0X97, 0X88,0X78, 0X78,0X69, 0X78,0X87,  //1908

0X96,0XB4, 0X96,0XA6, 0X97,0X97, 0X78,0X79, 0X79,0X69, 0X78,0X77,  //1909

0X96,0XA4, 0X96,0X96, 0X97,0X97, 0X79,0X79, 0X79,0X69, 0X78,0X78,  //1910

0X96,0XA5, 0X87,0X96, 0X87,0X87, 0X79,0X69, 0X69,0X69, 0X78,0X78,  //1911

0X86,0XA5, 0X96,0XA5, 0X96,0X97, 0X88,0X78, 0X78,0X69, 0X78,0X87,  //1912

0X95,0XB4, 0X96,0XA6, 0X97,0X97, 0X78,0X79, 0X79,0X69, 0X78,0X77,  //1913

0X96,0XB4, 0X96,0XA6, 0X97,0X97, 0X79,0X79, 0X79,0X69, 0X78,0X78,  //1914

0X96,0XA5, 0X97,0X96, 0X97,0X87, 0X79,0X79, 0X69,0X69, 0X78,0X78,  //1915

0X96,0XA5, 0X96,0XA5, 0X96,0X97, 0X88,0X78, 0X78,0X79, 0X77,0X87,  //1916

0X95,0XB4, 0X96,0XA6, 0X96,0X97, 0X78,0X79, 0X78,0X69, 0X78,0X87,  //1917

0X96,0XB4, 0X96,0XA6, 0X97,0X97, 0X79,0X79, 0X79,0X69, 0X78,0X77,  //1918

0X96,0XA5, 0X97,0X96, 0X97,0X87, 0X79,0X79, 0X69,0X69, 0X78,0X78,  //1919

0X96,0XA5, 0X96,0XA5, 0X96,0X97, 0X88,0X78, 0X78,0X79, 0X77,0X87,  //1920

0X95,0XB4, 0X96,0XA5, 0X96,0X97, 0X78,0X79, 0X78,0X69, 0X78,0X87,  //1921

0X96,0XB4, 0X96,0XA6, 0X97,0X97, 0X79,0X79, 0X79,0X69, 0X78,0X77,  //1922

0X96,0XA4, 0X96,0X96, 0X97,0X87, 0X79,0X79, 0X69,0X69, 0X78,0X78,  //1923

0X96,0XA5, 0X96,0XA5, 0X96,0X97, 0X88,0X78, 0X78,0X79, 0X77,0X87,  //1924

0X95,0XB4, 0X96,0XA5, 0X96,0X97, 0X78,0X79, 0X78,0X69, 0X78,0X87,  //1925

0X96,0XB4, 0X96,0XA6, 0X97,0X97, 0X78,0X79, 0X79,0X69, 0X78,0X77,  //1926

0X96,0XA4, 0X96,0X96, 0X97,0X87, 0X79,0X79, 0X79,0X69, 0X78,0X78,  //1927

0X96,0XA5, 0X96,0XA5, 0X96,0X96, 0X88,0X78, 0X78,0X78, 0X87,0X87,  //1928

0X95,0XB4, 0X96,0XA5, 0X96,0X97, 0X88,0X78, 0X78,0X79, 0X77,0X87,  //1929

0X96,0XB4, 0X96,0XA6, 0X97,0X97, 0X78,0X79, 0X79,0X69, 0X78,0X77,  //1930

0X96,0XA4, 0X96,0X96, 0X97,0X87, 0X79,0X79, 0X79,0X69, 0X78,0X78,  //1931

0X96,0XA5, 0X96,0XA5, 0X96,0X96, 0X88,0X78, 0X78,0X78, 0X87,0X87,  //1932

0X95,0XB4, 0X96,0XA5, 0X96,0X97, 0X88,0X78, 0X78,0X69, 0X78,0X87,  //1933

0X96,0XB4, 0X96,0XA6, 0X97,0X97, 0X78,0X79, 0X79,0X69, 0X78,0X77,  //1934

0X96,0XA4, 0X96,0X96, 0X97,0X97, 0X79,0X79, 0X79,0X69, 0X78,0X78,  //1935

0X96,0XA5, 0X96,0XA5, 0X96,0X96, 0X88,0X78, 0X78,0X78, 0X87,0X87,  //1936

0X95,0XB4, 0X96,0XA5, 0X96,0X97, 0X88,0X78, 0X78,0X69, 0X78,0X87,  //1937

0X96,0XB4, 0X96,0XA6, 0X97,0X97, 0X78,0X79, 0X79,0X69, 0X78,0X77,  //1938

0X96,0XA4, 0X96,0X96, 0X97,0X97, 0X79,0X79, 0X79,0X69, 0X78,0X78,  //1939

0X96,0XA5, 0X96,0XA5, 0X96,0X96, 0X88,0X78, 0X78,0X78, 0X87,0X87,  //1940

0X95,0XB4, 0X96,0XA5, 0X96,0X97, 0X88,0X78, 0X78,0X69, 0X78,0X87,  //1941

0X96,0XB4, 0X96,0XA6, 0X97,0X97, 0X78,0X79, 0X79,0X69, 0X78,0X77,  //1942

0X96,0XA4, 0X96,0X96, 0X97,0X97, 0X79,0X79, 0X79,0X69, 0X78,0X78,  //1943

0X96,0XA5, 0X96,0XA5, 0XA6,0X96, 0X88,0X78, 0X78,0X78, 0X87,0X87,  //1944

0X95,0XB4, 0X96,0XA5, 0X96,0X97, 0X88,0X78, 0X78,0X79, 0X77,0X87,  //1945

0X95,0XB4, 0X96,0XA6, 0X97,0X97, 0X78,0X79, 0X78,0X69, 0X78,0X77,  //1946

0X96,0XB4, 0X96,0XA6, 0X97,0X97, 0X79,0X79, 0X79,0X69, 0X78,0X78,  //1947

0X96,0XA5, 0XA6,0XA5, 0XA6,0X96, 0X88,0X88, 0X78,0X78, 0X87,0X87,  //1948

0XA5,0XB4, 0X96,0XA5, 0X96,0X97, 0X88,0X79, 0X78,0X79, 0X77,0X87,  //1949

0X95,0XB4, 0X96,0XA5, 0X96,0X97, 0X78,0X79, 0X78,0X69, 0X78,0X77,  //1950

0X96,0XB4, 0X96,0XA6, 0X97,0X97, 0X79,0X79, 0X79,0X69, 0X78,0X78,  //1951

0X96,0XA5, 0XA6,0XA5, 0XA6,0X96, 0X88,0X88, 0X78,0X78, 0X87,0X87,  //1952

0XA5,0XB4, 0X96,0XA5, 0X96,0X97, 0X88,0X78, 0X78,0X79, 0X77,0X87,  //1953

0X95,0XB4, 0X96,0XA5, 0X96,0X97, 0X78,0X79, 0X78,0X68, 0X78,0X87,  //1954

0X96,0XB4, 0X96,0XA6, 0X97,0X97, 0X78,0X79, 0X79,0X69, 0X78,0X77,  //1955

0X96,0XA5, 0XA5,0XA5, 0XA6,0X96, 0X88,0X88, 0X78,0X78, 0X87,0X87,  //1956

0XA5,0XB4, 0X96,0XA5, 0X96,0X97, 0X88,0X78, 0X78,0X79, 0X77,0X87,  //1957

0X95,0XB4, 0X96,0XA5, 0X96,0X97, 0X88,0X78, 0X78,0X69, 0X78,0X87,  //1958

0X96,0XB4, 0X96,0XA6, 0X97,0X97, 0X78,0X79, 0X79,0X69, 0X78,0X77,  //1959

0X96,0XA4, 0XA5,0XA5, 0XA6,0X96, 0X88,0X88, 0X88,0X78, 0X87,0X87,  //1960

0XA5,0XB4, 0X96,0XA5, 0X96,0X96, 0X88,0X78, 0X78,0X78, 0X87,0X87,  //1961

0X96,0XB4, 0X96,0XA5, 0X96,0X97, 0X88,0X78, 0X78,0X69, 0X78,0X87,  //1962

0X96,0XB4, 0X96,0XA6, 0X97,0X97, 0X78,0X79, 0X79,0X69, 0X78,0X77,  //1963

0X96,0XA4, 0XA5,0XA5, 0XA6,0X96, 0X88,0X88, 0X88,0X78, 0X87,0X87,  //1964

0XA5,0XB4, 0X96,0XA5, 0X96,0X96, 0X88,0X78, 0X78,0X78, 0X87,0X87,  //1965

0X95,0XB4, 0X96,0XA5, 0X96,0X97, 0X88,0X78, 0X78,0X69, 0X78,0X87,  //1966

0X96,0XB4, 0X96,0XA6, 0X97,0X97, 0X78,0X79, 0X79,0X69, 0X78,0X77,  //1967

0X96,0XA4, 0XA5,0XA5, 0XA6,0XA6, 0X88,0X88, 0X88,0X78, 0X87,0X87,  //1968

0XA5,0XB4, 0X96,0XA5, 0X96,0X96, 0X88,0X78, 0X78,0X78, 0X87,0X87,  //1969

0X95,0XB4, 0X96,0XA5, 0X96,0X97, 0X88,0X78, 0X78,0X69, 0X78,0X87,  //1970

0X96,0XB4, 0X96,0XA6, 0X97,0X97, 0X78,0X79, 0X79,0X69, 0X78,0X77,  //1971

0X96,0XA4, 0XA5,0XA5, 0XA6,0XA6, 0X88,0X88, 0X88,0X78, 0X87,0X87,  //1972

0XA5,0XB5, 0X96,0XA5, 0XA6,0X96, 0X88,0X78, 0X78,0X78, 0X87,0X87,  //1973

0X95,0XB4, 0X96,0XA5, 0X96,0X97, 0X88,0X78, 0X78,0X69, 0X78,0X87,  //1974

0X96,0XB4, 0X96,0XA6, 0X97,0X97, 0X78,0X79, 0X78,0X69, 0X78,0X77,  //1975

0X96,0XA4, 0XA5,0XB5, 0XA6,0XA6, 0X88,0X89, 0X88,0X78, 0X87,0X87,  //1976

0XA5,0XB4, 0X96,0XA5, 0X96,0X96, 0X88,0X88, 0X78,0X78, 0X87,0X87,  //1977

0X95,0XB4, 0X96,0XA5, 0X96,0X97, 0X88,0X78, 0X78,0X79, 0X78,0X87,  //1978

0X96,0XB4, 0X96,0XA6, 0X96,0X97, 0X78,0X79, 0X78,0X69, 0X78,0X77,  //1979

0X96,0XA4, 0XA5,0XB5, 0XA6,0XA6, 0X88,0X88, 0X88,0X78, 0X87,0X87,  //1980

0XA5,0XB4, 0X96,0XA5, 0XA6,0X96, 0X88,0X88, 0X78,0X78, 0X77,0X87,  //1981

0X95,0XB4, 0X96,0XA5, 0X96,0X97, 0X88,0X78, 0X78,0X79, 0X77,0X87,  //1982

0X95,0XB4, 0X96,0XA5, 0X96,0X97, 0X78,0X79, 0X78,0X69, 0X78,0X77,  //1983

0X96,0XB4, 0XA5,0XB5, 0XA6,0XA6, 0X87,0X88, 0X88,0X78, 0X87,0X87,  //1984

0XA5,0XB4, 0XA6,0XA5, 0XA6,0X96, 0X88,0X88, 0X78,0X78, 0X87,0X87,  //1985

0XA5,0XB4, 0X96,0XA5, 0X96,0X97, 0X88,0X78, 0X78,0X79, 0X77,0X87,  //1986

0X95,0XB4, 0X96,0XA5, 0X96,0X97, 0X88,0X79, 0X78,0X69, 0X78,0X87,  //1987

0X96,0XB4, 0XA5,0XB5, 0XA6,0XA6, 0X87,0X88, 0X88,0X78, 0X87,0X86,  //1988

0XA5,0XB4, 0XA5,0XA5, 0XA6,0X96, 0X88,0X88, 0X88,0X78, 0X87,0X87,  //1989

0XA5,0XB4, 0X96,0XA5, 0X96,0X96, 0X88,0X78, 0X78,0X79, 0X77,0X87,  //1990

0X95,0XB4, 0X96,0XA5, 0X86,0X97, 0X88,0X78, 0X78,0X69, 0X78,0X87,  //1991

0X96,0XB4, 0XA5,0XB5, 0XA6,0XA6, 0X87,0X88, 0X88,0X78, 0X87,0X86,  //1992

0XA5,0XB3, 0XA5,0XA5, 0XA6,0X96, 0X88,0X88, 0X88,0X78, 0X87,0X87,  //1993

0XA5,0XB4, 0X96,0XA5, 0X96,0X96, 0X88,0X78, 0X78,0X78, 0X87,0X87,  //1994

0X95,0XB4, 0X96,0XA5, 0X96,0X97, 0X88,0X76, 0X78,0X69, 0X78,0X87,  //1995

0X96,0XB4, 0XA5,0XB5, 0XA6,0XA6, 0X87,0X88, 0X88,0X78, 0X87,0X86,  //1996

0XA5,0XB3, 0XA5,0XA5, 0XA6,0XA6, 0X88,0X88, 0X88,0X78, 0X87,0X87,  //1997

0XA5,0XB4, 0X96,0XA5, 0X96,0X96, 0X88,0X78, 0X78,0X78, 0X87,0X87,  //1998

0X95,0XB4, 0X96,0XA5, 0X96,0X97, 0X88,0X78, 0X78,0X69, 0X78,0X87,  //1999

0X96,0XB4, 0XA5,0XB5, 0XA6,0XA6, 0X87,0X88, 0X88,0X78, 0X87,0X86,  //2000

0XA5,0XB3, 0XA5,0XA5, 0XA6,0XA6, 0X88,0X88, 0X88,0X78, 0X87,0X87,  //2001

0XA5,0XB4, 0X96,0XA5, 0X96,0X96, 0X88,0X78, 0X78,0X78, 0X87,0X87,  //2002

0X95,0XB4, 0X96,0XA5, 0X96,0X97, 0X88,0X78, 0X78,0X69, 0X78,0X87,  //2003

0X96,0XB4, 0XA5,0XB5, 0XA6,0XA6, 0X87,0X88, 0X88,0X78, 0X87,0X86,  //2004

0XA5,0XB3, 0XA5,0XA5, 0XA6,0XA6, 0X88,0X88, 0X88,0X78, 0X87,0X87,  //2005

0XA5,0XB4, 0X96,0XA5, 0XA6,0X96, 0X88,0X88, 0X78,0X78, 0X87,0X87,  //2006

0X95,0XB4, 0X96,0XA5, 0X96,0X97, 0X88,0X78, 0X78,0X69, 0X78,0X87,  //2007

0X96,0XB4, 0XA5,0XB5, 0XA6,0XA6, 0X87,0X88, 0X87,0X78, 0X87,0X86,  //2008

0XA5,0XB3, 0XA5,0XB5, 0XA6,0XA6, 0X88,0X88, 0X88,0X78, 0X87,0X87,  //2009

0XA5,0XB4, 0X96,0XA5, 0XA6,0X96, 0X88,0X88, 0X78,0X78, 0X87,0X87,  //2010

0X95,0XB4, 0X96,0XA5, 0X96,0X97, 0X88,0X78, 0X78,0X79, 0X78,0X87,  //2011

0X96,0XB4, 0XA5,0XB5, 0XA5,0XA6, 0X87,0X88, 0X87,0X78, 0X87,0X86,  //2012

0XA5,0XB3, 0XA5,0XB5, 0XA6,0XA6, 0X87,0X88, 0X88,0X78, 0X87,0X87,  //2013

0XA5,0XB4, 0X96,0XA5, 0XA6,0X96, 0X88,0X88, 0X78,0X78, 0X87,0X87,  //2014

0X95,0XB4, 0X96,0XA5, 0X96,0X97, 0X88,0X78, 0X78,0X79, 0X77,0X87,  //2015

0X95,0XB4, 0XA5,0XB4, 0XA5,0XA6, 0X87,0X88, 0X87,0X78, 0X87,0X86,  //2016

0XA5,0XC3, 0XA5,0XB5, 0XA6,0XA6, 0X87,0X88, 0X88,0X78, 0X87,0X87,  //2017

0XA5,0XB4, 0XA6,0XA5, 0XA6,0X96, 0X88,0X88, 0X78,0X78, 0X87,0X87,  //2018

0XA5,0XB4, 0X96,0XA5, 0X96,0X96, 0X88,0X78, 0X78,0X79, 0X77,0X87,  //2019

0X95,0XB4, 0XA5,0XB4, 0XA5,0XA6, 0X97,0X87, 0X87,0X78, 0X87,0X86,  //2020

0XA5,0XC3, 0XA5,0XB5, 0XA6,0XA6, 0X87,0X88, 0X88,0X78, 0X87,0X86,  //2021

0XA5,0XB4, 0XA5,0XA5, 0XA6,0X96, 0X88,0X88, 0X88,0X78, 0X87,0X87,  //2022

0XA5,0XB4, 0X96,0XA5, 0X96,0X96, 0X88,0X78, 0X78,0X79, 0X77,0X87,  //2023

0X95,0XB4, 0XA5,0XB4, 0XA5,0XA6, 0X97,0X87, 0X87,0X78, 0X87,0X96,  //2024

0XA5,0XC3, 0XA5,0XB5, 0XA6,0XA6, 0X87,0X88, 0X88,0X78, 0X87,0X86,  //2025

0XA5,0XB3, 0XA5,0XA5, 0XA6,0XA6, 0X88,0X88, 0X88,0X78, 0X87,0X87,  //2026

0XA5,0XB4, 0X96,0XA5, 0X96,0X96, 0X88,0X78, 0X78,0X78, 0X87,0X87,  //2027

0X95,0XB4, 0XA5,0XB4, 0XA5,0XA6, 0X97,0X87, 0X87,0X78, 0X87,0X96,  //2028

0XA5,0XC3, 0XA5,0XB5, 0XA6,0XA6, 0X87,0X88, 0X88,0X78, 0X87,0X86,  //2029

0XA5,0XB3, 0XA5,0XA5, 0XA6,0XA6, 0X88,0X88, 0X88,0X78, 0X87,0X87,  //2030

0XA5,0XB4, 0X96,0XA5, 0X96,0X96, 0X88,0X78, 0X78,0X78, 0X87,0X87,  //2031

0X95,0XB4, 0XA5,0XB4, 0XA5,0XA6, 0X97,0X87, 0X87,0X78, 0X87,0X96,  //2032

0XA5,0XC3, 0XA5,0XB5, 0XA6,0XA6, 0X88,0X88, 0X88,0X78, 0X87,0X86,  //2033

0XA5,0XB3, 0XA5,0XA5, 0XA6,0XA6, 0X88,0X78, 0X88,0X78, 0X87,0X87,  //2034

0XA5,0XB4, 0X96,0XA5, 0XA6,0X96, 0X88,0X88, 0X78,0X78, 0X87,0X87,  //2035

0X95,0XB4, 0XA5,0XB4, 0XA5,0XA6, 0X97,0X87, 0X87,0X78, 0X87,0X96,  //2036

0XA5,0XC3, 0XA5,0XB5, 0XA6,0XA6, 0X87,0X88, 0X88,0X78, 0X87,0X86,  //2037

0XA5,0XB3, 0XA5,0XA5, 0XA6,0XA6, 0X88,0X88, 0X88,0X78, 0X87,0X87,  //2038

0XA5,0XB4, 0X96,0XA5, 0XA6,0X96, 0X88,0X88, 0X78,0X78, 0X87,0X87,  //2039

0X95,0XB4, 0XA5,0XB4, 0XA5,0XA6, 0X97,0X87, 0X87,0X78, 0X87,0X96,  //2040

0XA5,0XC3, 0XA5,0XB5, 0XA5,0XA6, 0X87,0X88, 0X87,0X78, 0X87,0X86,  //2041

0XA5,0XB3, 0XA5,0XB5, 0XA6,0XA6, 0X88,0X88, 0X88,0X78, 0X87,0X87,  //2042

0XA5,0XB4, 0X96,0XA5, 0XA6,0X96, 0X88,0X88, 0X78,0X78, 0X87,0X87,  //2043

0X95,0XB4, 0XA5,0XB4, 0XA5,0XA6, 0X97,0X87, 0X87,0X88, 0X87,0X96,  //2044

0XA5,0XC3, 0XA5,0XB4, 0XA5,0XA6, 0X87,0X88, 0X87,0X78, 0X87,0X86,  //2045

0XA5,0XB3, 0XA5,0XB5, 0XA6,0XA6, 0X87,0X88, 0X88,0X78, 0X87,0X87,  //2046

0XA5,0XB4, 0X96,0XA5, 0XA6,0X96, 0X88,0X88, 0X78,0X78, 0X87,0X87,  //2047

0X95,0XB4, 0XA5,0XB4, 0XA5,0XA5, 0X97,0X87, 0X87,0X88, 0X86,0X96,  //2048

0XA4,0XC3, 0XA5,0XA5, 0XA5,0XA6, 0X97,0X87, 0X87,0X78, 0X87,0X86,  //2049

0XA5,0XC3, 0XA5,0XB5, 0XA6,0XA6, 0X87,0X88, 0X78,0X78, 0X87,0X87    //2050

};

-(NSString *)getLunarSpecialDate:(NSInteger)iYear Month:(NSInteger)iMonth  Day:(NSInteger)iDay  {

NSArray *chineseDays=[NSArrayarrayWithObjects:

@"小寒",@"大寒",@"立春",@"雨水",@"惊蛰",@"春分",

@"清明",@"谷雨",@"立夏",@"小满",@"芒种",@"夏至",

@"小暑",@"大暑",@"立秋",@"处暑",@"白露",@"秋分",

@"寒露",@"霜降",@"立冬",@"小雪",@"大雪",@"冬至",nil];

long array_index = (iYear -START_YEAR)*12+iMonth -1 ;

int64_t flag =gLunarHolDay[array_index];

int64_t day;

if(iDay <15)

day= 15 - ((flag>>4)&0x0f);

else

day = ((flag)&0x0f)+15;

long index = -1;

if(iDay == day){

index = (iMonth-1) *2 + (iDay>15?1: 0);

}

if ( index >=0  && index < [chineseDayscount] ) {

[chineseDays objectAtIndex:index];

//NSLog(@"%@",chineseDays[index]);

_day = chineseDays[index];

return_day;

} else {

returnnil;

}

}

引用自：
http://blog.csdn.net/yuleidnf/article/details/51372642

获取节日

// 这里是异步获取数据，所以获取完成后需要回到主线程刷新界面
// events为获取的全部事件数据
__weak typeof(self) weakSelf = self;
    EKEventStore *store = [[EKEventStore alloc] init];
    [store requestAccessToEntityType:EKEntityTypeEvent completion:^(BOOL granted, NSError *error) {
        
        if(granted) {
            NSDate *startDate = self.minimumDate;
            NSDate *endDate = self.maximumDate;
            NSPredicate *fetchCalendarEvents = [store predicateForEventsWithStartDate:startDate endDate:endDate calendars:nil];
            NSArray<EKEvent *> *eventList = [store eventsMatchingPredicate:fetchCalendarEvents];
            NSArray<EKEvent *> *events = [eventList filteredArrayUsingPredicate:[NSPredicate predicateWithBlock:^BOOL(EKEvent * _Nullable event, NSDictionary<NSString *,id> * _Nullable bindings) {
                return event.calendar.subscribed;
            }]];
            
            dispatch_async(dispatch_get_main_queue(), ^{
                if (!weakSelf) return;
                weakSelf.events = events;
                [weakSelf.calendar reloadData];
            });
            
        } else {
            
            // Alert
            UIAlertController *alertController = [[UIAlertController alloc] init];
            alertController.title = @"Error";
            alertController.message = @"Permission of calendar is required for fetching events.";
            [alertController addAction:[UIAlertAction actionWithTitle:@"OK" style:UIAlertActionStyleCancel handler:nil]];
        }
    }];

// 返回的filteredEvent包含了date对应的时间里所有的事件
//  (EKEvent *)event.title即为事件的名称
- (NSArray<EKEvent *> *)eventsForDate:(NSDate *)date
{
    NSArray<EKEvent *> *filteredEvents = [self.events filteredArrayUsingPredicate:[NSPredicate predicateWithBlock:^BOOL(EKEvent * _Nullable evaluatedObject, NSDictionary<NSString *,id> * _Nullable bindings) {
        return [evaluatedObject.occurrenceDate isEqualToDate:date];
    }]];
    return filteredEvents;
}

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