Overview POI reports
Statement of needs
In the enterprise application development, Excel report is one of the most common reporting needs. Excel report development is generally divided into two forms:
For ease of operation, upload the data based on the report of the bulk Excel
Excel reports generated by the java code.
In Saas-HRM system, there are a large number of reports operating, then the next course is to learn together to develop enterprise-level reporting.
Two forms of Excel
Currently the world face divided into two major versions of Excel Excel2003 and Excel2007 and above the two versions, the difference between the two is as follows:
Excel2003 is a unique binary format, which is a core structure compound document type structure, a small amount of data stored; Excel2007 core structure is an XML type structure, using XML-based compression, it occupies less space higher operational efficiency
