Java batch files are compressed, exported and downloaded to the local sample code

It mainly uses org apache. tools. zip. Zipoutputstream is a zip stream. Here, take EXECL as an example.

Idea: first write the zip stream into the HTTP response output stream, and then write the excel stream into the zip stream (there is no need to generate a file and then package it. Just read and write the data from the EXECL template, output it to the zip stream, and set the file name for each stream)

For example, 1. 0 exists in the EXECL file under webapp xls，2. xls，3. Xls file

1.Controller

2.Service

The final result generates a report Zip, which contains three files 1 xls,2. xls,3. xls

summary

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