10 jar package special effects (favorites) are recommended-php Tutorial

This article describes how to use Android to operate Excel files in Android to operate Excel files to export reports mainly using the open source library jxl, which was first used in java but can also be used in Android. Similar to POI, because there are many dependent libraries, it can only be used in java, not Android. To use jxl, you need to import jxl in the Android project. jar package, jxl can complete basic read and write operations in Excel. the supported and unsupported situations are as follows: 1. jxl only supports Excel2... this article describes how to use Android to operate Excel files in Android to operate Excel files to export reports mainly using the open source library jxl, which was first used in java but can also be used in Android. Similar to POI, because there are many dependent libraries, it can only be used in java, not Android. To use jxl, you need to import jxl in the Android project. the jar package and jxl can complete basic Excel read/write operations. the supported and unsupported situations are as follows: 1. jxl only supports Excel2003 format, but does not support Excel2007 format. Xls files are supported, but xlsx files are not supported. 2. jxl does not support direct modification of excel files, but it can be indirectly modified by copying a new file to overwrite the original file. 3. jxl can only recognize images in PNG format, but cannot recognize images in other formats. As shown above, jxl does not support Excel2007, which is very bad, especially when Excel2007 has become the mainstream Excel format. However, there is still a 2007 format for Android reading.

1. 10 articles about export reports are recommended.

Introduction: This article mainly introduces how to package java into executable jar and execute the relevant information of the main method specified in the jar package. the detailed sample code is provided in this article, it has some reference value for everyone. let's take a look at it.

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The above is the details of the special effects (favorites) of 10 recommended jar packages. For more information, see other related articles in the first PHP community!