有沒(méi)有大俠做過(guò)JFreechart,我在做JFreechart的過(guò)程中遇到問(wèn)題:
如:
1 double[][] data = new double[][]
2 {
3 { 672, 766, 223, 540, 126 },
4 { 325, 521, 210, 340, 106 },
5 { 332, 256, 523, 240, 526 } };
6 String[] rowKeys =
7 { "蘋果", "梨子", "葡萄" };
8 String[] columnKeys =
9 { "北京", "上海", "廣州", "成都", "深圳" };
這些數(shù)據(jù),如果我要從數(shù)據(jù)庫(kù)中查詢出來(lái),放入里面應(yīng)該怎么辦??
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