img = Image.open(picPath)
img = img.resize((picW, picH))

from PIL import Image
lstChars = list("$@B%8&WM#*oahkbdpqwmZO0QLaCJUYXzczjhdhsdavunxrjft/\|()1{}[]?-_+~<>i!lI;:,\"^`'.") 
def oneChars(r, g, b, alpha = 256):
    global lstChars
    length = len(lstChars)
    gray = int(0.2126 * r + 0.7152 * g + 0.722 * b)
    index =length*gray
    return lstChars[index]
picPath = "C:\Users\Administrator\Desktop\\aaaaa\\aa.png"
picH = 40
picW =  80
img = Image.open(picPath)
img = img.resize((picW, picH))
txt = ""
for y in range(picH):
    for x in range(picW):
        txt += oneChars(img.getpixel((x, y)))
    txt += '\n'

print txt

# -*- coding=utf-8 -*-
from PIL import Image
IMG = 'IMG.jpg' ?# 設(shè)置圖片文件
WIDTH = 150 ?# 設(shè)置字符畫的寬
HEIGHT = 80 ?# 設(shè)置字符畫的高
OUTPUT = 'T.txt' ?# 設(shè)置存放字符畫的文本文件
ascii_char = list("$@B%8&WM#*oahkbdpqwmZO0QLCJUYXzcvunxrjft/\|()1{}[]?-_+~<>i!lI;:,\"^`'. ") ?# 設(shè)置顯示的字符集
# 將256灰度映射到70個字符上
def get_char(r, g, b, alpha=256):
???# alpha為透明度
???# 判斷 alpha 值，為0表示全透明
???if alpha == 0:
???????return ' '
???# 獲取字符集的長度，這里為 70
???length = len(ascii_char)
???# 將 RGB 值轉(zhuǎn)為灰度值 gray，灰度值范圍為 0-255
???gray = int(0.2126 * r + 0.7152 * g + 0.0722 * b)
???# 灰度值范圍為 0-255，而字符集只有 70
???# 需要進(jìn)行如下處理才能將灰度值映射到指定的字符上
???# 防止當(dāng)灰度值為255時，輸出的第70個字符超出列表索引，所以需要將(255+1)
???unit = (255.0 + 1) / length
???# 返回灰度值對應(yīng)的字符
???return ascii_char[int(gray / unit)]
if __name__ == '__main__':

???# 打開并調(diào)整圖片的寬和高
???im = Image.open(IMG)
???im = im.resize((WIDTH, HEIGHT), Image.NEAREST)

???# 初始化輸出的字符串
???txt = ""
???# 遍歷圖片中的每一行
???for i in range(HEIGHT):
???????# 遍歷該行中的每一列
???????for j in range(WIDTH):
???????????# 將 (j,i) 坐標(biāo)的 RGB 像素轉(zhuǎn)為字符后添加到 txt 字符串
???????????txt += get_char(*im.getpixel((j, i)))
???????# 遍歷完一行后需要增加換行符
???????txt += '\n'
???# 輸出到屏幕
???print(txt)
???with open(OUTPUT, 'w') as f:
???????f.write(txt)