作业3：PSP记录耗时情况

PSP2.1	Personal Software Process Stage	Time
planning	计划	10min
Estimate	估计这个任务多久完成	150min
Developing	开发	30min
Analysis	需求分析	15min
Coding Standard	代码规范	20min
Coding	具体编码	25miin
Code Review	代码复审	15min
Test	测试	15min
Reporting	报告	15min
Design	具体设计	10min
Postmortem&Report	总结&报告	30min