1)能随机产生一串字符,包括字母下划线空格和特殊字符等

2)可设定难度级别,难度低的可只产生字母

3)用户用键盘输入的内容在下方显示,与范文相同的字符(正确)用黑色显示,与范文不同的(错误)用红色显示

4)记录和显示打字速度,并给出正确率

5)给出打字排行榜

6)程序界面美观.-1) can be randomly generated string of characters, including letters underlined spaces and special characters, such as 2) can set the difficulty level, a low degree of difficulty can be produced only letters 3) the user with keyboard input in the content shown below, with the same Fanwen characters (right) in black show with a different model (wrong) with a red display 4) record and display typing speed, and gives the correct rate of 5) are given top typing 6) program interface aesthetic.