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如何在 JasperReports 中使用条件 TextField?

  • 作者: 爱生活-爱老婆
  • 来源: 51数据库
  • 2023-01-29

问题描述

我想要一对取决于值的 TextField.并且y"值应根据空白进行调整.

I would like to have a pair of TextFields depending on a value. And the "y"-value should be adjusted depending on the empty space.

当值为 "0" 我想隐藏 TextField.

When the value is "0" I would like to hide the TextField.

即我想隐藏 staticText 和 textField 如果参数 red 等于 "0" 并且有蓝色值向上移动,在下面的 jrxml 代码中:

I.e. I would like to hide the staticText and the textField if the parameter red is equal to "0" and have the blue values moved up, in the jrxml-code below:

  <staticText>
    <reportElement x="100" y="30" width="100" height="30"/>
    <text><![CDATA[Red items:]]></text>
  </staticText>
  <textField>
    <reportElement x="200" y="30" width="40" height="30"/>
    <textFieldExpression>
      <![CDATA[$P{red}]]>
    </textFieldExpression>
  </textField>

  <staticText>
    <reportElement x="100" y="60" width="100" height="30"/>
    <text><![CDATA[Blue items:]]></text>
  </staticText>
  <textField>
    <reportElement x="200" y="60" width="40" height="30"/>
    <textFieldExpression>
      <![CDATA[$P{blue}]]>
    </textFieldExpression>
  </textField>

输出示例:

//if blue = 3 and red = 2    if blue = 3 and red = 0    if blue = 0 and red = 2
    Red items: 2               Blue items: 3              Red items: 2
    Blue items: 3    

这些文本字段将放置在我的报告的末尾.我该怎么做?

These TextFields will be placed at the end of my report. How can I do this?

推荐答案

<reportElement ...>
    <printWhenExpression><![CDATA[$P{red} == 0]]></printWhenExpression>
</reportElement>

您可以使用 iReport 以令人愉悦的 UI 对其进行修改.

You can use iReport to modify this with a pleasant UI.

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