Project structure:
Slightly modify the source code and then uploaded, take a look below demand.
demand:
A demand: analysis of the number of letters each year, showing out by Echarts line chart.
Demand II: analysis of the proportion of complaints and letters belonging to the consultation, showing it by Echarts pie.
Demand Three: Quantitative Analysis of various government departments to answer letters, by Echarts histogram showing up.
A: The number of letters each year
II: letters are part of the proportion of complaints, advice and recommendations
Third, the number of various government departments to answer the letter (from the former seven)
