Java exports all tables of the database to excel
This example shares the method of exporting all tables of a database to excel in Java for your reference. The specific contents are as follows
Step 1: how to operate excel with POI
Step 2: export all tables of the specified database
analysis:
1: How many tables are there in a database and what is the table name? DDDDataBaseMetadate. getMetadate(). getTables(null,null,new String[]{Table}); - The file name of Excel.
2: select * for each table. - name of each sheet.
3: analysis table structure, rs.getmetadate(); ResultSetMedated
4: multiple columns. What are the column names - the field name is the first line of information in the sheet.
5: get the data C of each row and put it after the first row of the sheet.
The above is the whole content of this article. I hope it will be helpful to your study.