chart.py 文件源码

def gData(stock): 
    stockFile=stock+".txt"
    date,closep,highp,lowp,openp,volume= np.loadtxt(stockFile,delimiter=',',unpack=True,converters={0: mdates.strpdate2num('%Y%m%d')})
    fig=plt.figure() 
    ax1=plt.subplot(1,1,1) # how much by how much by 
    ax1.plot(date,openp) 
    ax1.plot(date,highp) 
    ax1.plot(date,lowp) 
    ax1.plot(date,closep)
    ax1.xaxis.set_major_locator(mticker.MaxNLocator(10)) #max10days 
    ax1.xaxis.set_major_formatter(mdates.DateFormatter('%Y-%m-%d'))
    for label in ax1.xaxis.get_ticklabels(): 
        label.set_rotation(45)
    plt.show()