JFreechart 获取map里的参数乱码。求解

Question

plot.setURLGenerator(new StandardPieURLGenerator("VisitCount!visitAddressMaintain","area","pieIdex"));利用map和饼图关联,想获取area参数的值,但是后台获取是 ????±±??? 这样的乱码，求大神解!

Answer 1

鼠标悬浮在饼图上,能看到area的参数还是好的

Answer 2

<area shape="poly" coords="242,127,262,109,285,93,400,216,400,216" title="龙岗区: (500, 5%)" alt="" href="view.jsp?area=%E9%BE%99%E5%B2%97%E5%8C%BA&amp;pieIndex=0"/>
Map里的href area参数的值乱码