How to parse pdf or Word documents and save them to the mysql database in different chapters

Recently, I was working on a project with many national standard documents in a standardized format. 1. main content and applicability this standard specifies the definition, content, and design rules of the spine. 2 define the cover and seal of the 2.1 book connection book. it is a turning point that is bound by seams, nails, sticks, or other methods. 2.2 Edge name publication seal 4 the name of the spine lined up along the edge of the spine. 3. design and use 3. 1 ...... 3. 2 ...... how to parse the document content is saved in different fields of the mysql database in different chapters and written in java. Mysql documentation-word database

Recently, I was working on a project with many national standard documents in a standardized format. 1. main content and applicability This standard defines the definition, content, and design rules of the spine. 2 define the cover and seal of the 2.1 book connection book. it is a turning point that is bound by seams, nails, sticks, or other methods. 2.2 Edge name publication seal 4 the name of the spine lined up along the edge of the spine. 3. design and use 3.1 ...... 3.2 ...... how to parse the document content, and save it in different fields of the mysql database in different chapters and write it in java.