See the requirements of the job: http: //edu.cnblogs.com/campus/nenu/2019fall/homework/9953
A week PSP, the type of task, start time, end time, break time, delta time.
B. the progress bar: the number of lines of code, Bo number of characters, used in software engineering knowledge.
Third, Bo number of characters, the cumulative amount of code line chart.
Fourth, the PSP this week, pie charts, according to the classification task, given the proportion of time.
