Python处理时间日期坐标轴过程详解

from matplotlib.dates import DateFormatter, WeekdayLocator, DayLocator, MONDAY,YEARLY

monthdays = MonthLocator()

mondays = WeekdayLocator(MONDAY) # 主要刻度

alldays = DayLocator() # 次要刻度

ax.xaxis.set_major_locator(mondays)ax.xaxis.set_minor_locator(alldays)

mondayFormatter = DateFormatter('%Y-%m-%d') # 如：2-29-2015dayFormatter = DateFormatter('%d') # 如：12ax.xaxis.set_major_formatter(mondayFormatter)

for label in ax1.get_xticklabels():label.set_rotation(30)label.set_horizontalalignment('right')