www.gusucode.com > matlab从零到进阶程序与数据 > matlab从零到进阶程序与数据/第8章 数据库连接/MyYahoo.m
function [stock_Price]=MyYahoo(StockName, StartDate, EndDate, Freq) % This engine is used for a rapid searching in Yahoo!Finance for retriving % Financial Data. startdate=StartDate; enddate=EndDate; ms=num2str(str2num(datestr(startdate, 'mm'))-1); ds=datestr(startdate, 'dd'); ys=datestr(startdate, 'yyyy'); me=num2str(str2num(datestr(enddate, 'mm'))-1); de=datestr(enddate, 'dd'); ye=datestr(enddate, 'yyyy'); url2Read=sprintf('http://ichart.finance.yahoo.com/table.csv?s=%s&a=%s&b=%s&c=%s&d=%s&e=%s&f=%s&g=%s&ignore=.csv', StockName, ms, ds, ys, me, de, ye, Freq); s=urlread(url2Read); [Date Open High Low Close Volume AdjClose]=strread(s,'%s %s %s %s %s %s %s','delimiter',','); Date(1)=[]; AdjClose(1)=[]; row=size(Date, 1); for i = 1:row Date_temp(i, 1)=datenum(cell2mat(Date(i)), 'yyyy-mm-dd'); AdjClose_temp(i, 1)=str2num(cell2mat(AdjClose(i))); end stock_Price=[Date_temp, AdjClose_temp]; root=[pwd, '\']; filename=[root, StockName, '.mat']; save(filename, 'stock_Price') ; end