Ireport里参数和变量有什么区别
在什么时候使用变量
什么时候该使用参数
他们有什么区别
谢谢
问题点数:0、回复次数:2Top
1 楼comtomwww12(comtomwww12)回复于 2005-04-04 08:04:28 得分 0
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2 楼singlebigstone(一道烟)回复于 2005-04-20 22:51:14 得分 0
Parameters are object references that are passed-in to the report filling operations.
Report variables are special objects build on top of a report expression. They can be used to simplify the report design by declaring only once an expression that is heavily used throughout the report design or to perform various calculations on the corresponding expression.Top




