0f677893
 梁灏
update DatePicker
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import dateUtil from '../../utils/date';
const newArray = function(start, end) {
let result = [];
for (let i = start; i <= end; i++) {
result.push(i);
}
return result;
};
export const toDate = function(date) {
date = new Date(date);
if (isNaN(date.getTime())) return null;
return date;
};
export const formatDate = function(date, format) {
date = toDate(date);
if (!date) return '';
return dateUtil.format(date, format || 'yyyy-MM-dd');
};
export const parseDate = function(string, format) {
return dateUtil.parse(string, format || 'yyyy-MM-dd');
};
export const getDayCountOfMonth = function(year, month) {
if (month === 3 || month === 5 || month === 8 || month === 10) {
return 30;
}
if (month === 1) {
if (year % 4 === 0 && year % 100 !== 0 || year % 400 === 0) {
return 29;
} else {
return 28;
}
}
return 31;
};
export const getFirstDayOfMonth = function(date) {
const temp = new Date(date.getTime());
temp.setDate(1);
return temp.getDay();
};
export const DAY_DURATION = 86400000;
export const getStartDateOfMonth = function(year, month) {
const result = new Date(year, month, 1);
const day = result.getDay();
if (day === 0) {
result.setTime(result.getTime() - DAY_DURATION * 7);
} else {
result.setTime(result.getTime() - DAY_DURATION * day);
}
return result;
};
export const getWeekNumber = function(src) {
const date = new Date(src.getTime());
date.setHours(0, 0, 0, 0);
// Thursday in current week decides the year.
date.setDate(date.getDate() + 3 - (date.getDay() + 6) % 7);
// January 4 is always in week 1.
const week1 = new Date(date.getFullYear(), 0, 4);
// Adjust to Thursday in week 1 and count number of weeks from date to week 1.
return 1 + Math.round(((date.getTime() - week1.getTime()) / 86400000 - 3 + (week1.getDay() + 6) % 7) / 7);
};
export const prevMonth = function(src) {
const year = src.getFullYear();
const month = src.getMonth();
const date = src.getDate();
const newYear = month === 0 ? year - 1 : year;
const newMonth = month === 0 ? 11 : month - 1;
const newMonthDayCount = getDayCountOfMonth(newYear, newMonth);
if (newMonthDayCount < date) {
src.setDate(newMonthDayCount);
}
src.setMonth(newMonth);
src.setFullYear(newYear);
return new Date(src.getTime());
};
export const nextMonth = function(src) {
const year = src.getFullYear();
const month = src.getMonth();
const date = src.getDate();
const newYear = month === 11 ? year + 1 : year;
const newMonth = month === 11 ? 0 : month + 1;
const newMonthDayCount = getDayCountOfMonth(newYear, newMonth);
if (newMonthDayCount < date) {
src.setDate(newMonthDayCount);
}
src.setMonth(newMonth);
src.setFullYear(newYear);
return new Date(src.getTime());
};
export const getRangeHours = function(ranges) {
const hours = [];
let disabledHours = [];
(ranges || []).forEach(range => {
const value = range.map(date => date.getHours());
disabledHours = disabledHours.concat(newArray(value[0], value[1]));
});
if (disabledHours.length) {
for (let i = 0; i < 24; i++) {
hours[i] = disabledHours.indexOf(i) === -1;
}
} else {
for (let i = 0; i < 24; i++) {
hours[i] = false;
}
}
return hours;
};
export const limitRange = function(date, ranges) {
if (!ranges || !ranges.length) return date;
const len = ranges.length;
const format = 'HH:mm:ss';
date = dateUtil.parse(dateUtil.format(date, format), format);
for (let i = 0; i < len; i++) {
const range = ranges[i];
if (date >= range[0] && date <= range[1]) {
return date;
}
}
let maxDate = ranges[0][0];
let minDate = ranges[0][0];
ranges.forEach(range => {
minDate = new Date(Math.min(range[0], minDate));
maxDate = new Date(Math.max(range[1], maxDate));
});
return date < minDate ? minDate : maxDate;
};
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