DataSet合并两个集合
		最后更新:2025-07-24 11:08:52
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		状态:未完成
		
	
	
	
		set1与set2合并生成新的集合
DataSet set = set1.unionAll(set2)
合并不重复的集合,根据ID,CODE判断是否重复
DataSet set = set1.union(set2,"ID","CODE")
	
	
DataSet set = set1.unionAll(set2)
合并不重复的集合,根据ID,CODE判断是否重复
DataSet set = set1.union(set2,"ID","CODE")
