Java 包 org.apache.poi.ss.usermodel 不存在错误
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package org.apache.poi.ss.usermodel does not exist error
提问by rockenpeace
I have a problem related to my adf application in jdeveloper 11g. When i build my application,i take these errors:
我有一个与 jdeveloper 11g 中的 adf 应用程序相关的问题。当我构建我的应用程序时，我会犯这些错误：
These errors in code-behind:
代码隐藏中的这些错误：
import org.apache.poi.ss.usermodel.Cell;
import org.apache.poi.ss.usermodel.DateUtil;
import org.apache.poi.ss.usermodel.Sheet;
import org.apache.poi.ss.usermodel.Workbook;
import org.apache.poi.ss.usermodel.WorkbookFactory;
I have investigated this error and i have learned that this error is related to apache poi. I have controlled my application and i have poi-3.9-20121203.jarfile in my application folder :
我调查了这个错误，我了解到这个错误与 apache poi 相关。我已经控制了我的应用程序，并且我的应用程序文件夹中有poi-3.9-20121203.jar文件：
C:\roket1\ViewController\public_html\WEB-INF\lib
C:\roket1\ViewController\public_html\WEB-INF\lib
What can i do to get rid of these errors ? Thanks in advance.
我该怎么做才能摆脱这些错误？提前致谢。
采纳答案by Ashish
If you are using JDeveloper then you can add libraries to your classpath with the following:
如果您使用的是 JDeveloper，那么您可以使用以下命令将库添加到您的类路径中：
Add the JAR files you want to be in the classpath to the project's libraries. (Double click on a project to go to project settings - libraries- and shuttle the correct libraries to the right , or add your own libraries.
将您想要在类路径中的 JAR 文件添加到项目的库中。（双击一个项目进入项目设置 - 库 - 并将正确的库移到右侧，或者添加您自己的库。
回答by e.doroskevic
It looks like you haven't constructed a path with the package you are willing to use inside your project.
看起来您还没有使用您愿意在项目中使用的包构建路径。
Please refer to the following threads:
请参考以下主题：
How to set the java.library.path from Eclipse
如何从 Eclipse 设置 java.library.path
How to setup classpath in Netbeans?
That should resolve the problem.
那应该可以解决问题。
