在 CSDN 中怎么上载文件呢?谢谢!(内空)

............."$$$$$$$o...................ooooo 
.............."$$$$$$$$$o.........ooo$$$$$$$$$ 
.......ooo$$$$$$$$$$$$$$$....oo$$$$$$$$$$$""" 
.......$$$$$$$$$$$$$$$$o....o$$$$$$$""" 
.........$$$$$$$"""o$$$$$$...$$$$$$ 
..........$$$$$$..o$$$$$"....$$$$$ 
..........$$$$$$.o$$$$$".....$$$$$.....ooo.oo$$$o 
...........$$$$$$$$$$$$$$...$$$$$"...o$$$$$$$$$$$$ 
.........oo$$$$$$$$$$$""....$$$$$$$$$$$$$$$$$$$$$$ 
........."$$$$$$$$$$$ooo....$$$$$$$$$$$$$$$$" 
..........."""$$$$$$$$$$$o..$$$$$$$$$$$$$$$$ 
...........oo$$$$$$$$$$$$"..$$$$.....$$$$$$$ 
......oo$$$$$$$$$$$$$""....o$$$$.....$$$$$$$ 
.....$$$$$$$$$$$$$$$$oooo..$$$$$.....$$$$$$$ 
.....$$$$$$$"."$$$$$$$$$$$$$$$$".....$$$$$$$ 
......""$$$....$$$$$$."$$$$$$$$......$$$$$$$ 
........$$$o..$$$$$$$......$$$$......$$$$$$$ 
......."$$$"oo$$$$$$$......$$$"......$$$$$$$ 
............$$$$$$$$"......""........$$$$$$" 
.............""""....................$$$$$" 
.....................................$$$$" 
.....................................$$" 
....................o$$$o......ooo$$$oo 
..................o$$$$$$$oo$$$$$$$$$$$o 
................o$$$$$$$$$$$$$$$$$$$$$$$ 
..............o$$$$$$"""$$$$$$$$$$$"" 
...........o$$$$$"".......""$$$$$$" 
..........o$""".............$$$$$$ooo 
......................ooooo$$$$$$$$$$$o 
.....................$$$$$$$$$$$$$$$$$$ 
.....................$$$$$$$$$$$$$$""" 
......................"""""$$$$$$$ 
................o$$$o......$$$$$$$.ooooooooooo 
................$$$$$$oooo$$$$$$$$$$$$$$$$$$$$$ 
............oooo$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$ 
.......oo$$$$$$$$$$$$$$$$$$$$$$$$$"""""""""""" 
.....o$$$$$$$$$$$$$$""""...$$$$$$$ 
.....$$$$$$$$"""...........$$$$$$$ 
......"""""................$$$$$$$ 
...........................$$$$$$$ 
...........................$$$$$$$ 
...........................$$$$$$ 
...........................$$$$$" 
............................$$$ 
..............$$$$$o..........oooo 
..............$$$$$$..........$$$$$o 
.............o$$$$$..........o$$$$$$ 
.............$$$$$$..........$$$$$$$oooooo 
.............$$$$$$.......ooo$$$$$$$$$$$$$$$o 
.......$$o...$$$$$$$$o...$$$$$$$$$$$$$$$$$$$$ 
......$$$$...$$$$$$$$$..."$$$$$$$$$$$"$$$$$$" 
.....o$$$$oo$$$$$$$$$......"$$$$$$"...$$$$$$ 
.....$$$$$$$$$$$$$$"........$$$$$"..o$$$$$" 
.....$$$$$$.$$$$$..........$$$$$$$$$$$$$$$$$$$$oo 
....."$$$$$.$$$$$.oooo$$$$$$$$$$$$$$$$$$$$$$$$$$$$ 
......""""..$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$" 
............$$$$$$$$$$$$$$$$$$$"""" 
............$$$$$.""""""$$$$$$" 
............$$$$$......o$$$$$".....oo$$oo 
............$$$$$.....o$$$$$"......$$$$$$$$o 
............$$$$$....o$$$$$........"$$$$$$$$o 
............$$$$$...o$$$$"...........$$$$$$$$ 
............$$$$$...$$$"..............$$$$$$$ 
.............$$$$...""................"$$$$$ 
............."$$"......................"""" 
.......................$$$$o 
......................o$$$$$o.........oooo 
..............o$$$....$$$$$$........o$$$$$o 
.............$$$$$.$$$$$$$$$$$$$o.o$$$$$$" 
............$$$$$"o$$$$$$$$$$$$$$$$$$$$"oo 
...........$$$$...$$$$$$$$"$$$$$$$$$$"o$$$$o 
........o$$$$$..oo$$$$$$$..$$$$$$$$$$o$$$$$ 
........$$$$$$$$$$$$$$$$$oo$$$$$$$$$$$$$" 
........"$$$$$$$$$$$$$$$$$$$$$$$$.$$$$$$$o 
............o$$$$$$$$$$$$""$$$$$$$$$$"$$$$$ 
...........o$$$$.o$$$$$$$oo$$$$$$$$$$$$$$$$ 
..........o$$$$$$$$$$$$$$$$$$$$$$$$$$"$$$$" 
.........o$$$$$$$"""$$$$$$$$$$$$""....""" 
.........."$$""....."$$"$$$$$$ooooooo$$$$$$$$o 
...............ooooo$$$$$$$$$$$$$$$$$$$$$$$$$$o 
.......ooo$$$$$$$$$$$$$$$$$$$$$$$$$$"""""""""" 
......o$$$$$$$$$$$$$$"""$$$$$$....o$$$$o 
......."$$$$$"$$$$......$$$$$$...."$$$$$$o 
.........""..$$$$$......$$$$$$.....$$$$$$$o 
.............$$$$$.....o$$$$$$......$$$$$$$ 
............."$$"...ooo$$$$$$$.......$$$$" 
...................$$$$$$$$$"........"""