基于.NET的农产品市场行情信息采集——以重庆农产品市场行情查询网为例
陈诗琴1, 李文江2

Information Collection for Market Quotation of Agricultural Products Based on .NET——Taking Chongqing Market Quotation of Agricultural Products as an Example
Chen Shiqin1, Li Wenjiang2
图2 按产品分类循环的采集过程