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转自 https://github.com/freedev/solr-import-export-json
根据自己需要做对应修改
As the title states, this little project will help you to save your collection in json format and restore it where and when you need.
Please report issues at https://github.com/freedev/solr-import-export-json/issues
To execute this console app you need to satisfy few dependency (java 8, git, maven), if you are a java developer probably you already have everything, on the other hand if not if you have Linux execute the following commands:
sudo apt-get update
sudo add-apt-repository ppa:openjdk-r/ppa
sudo apt-get update
sudo apt-get install openjdk-8-jdk
sudo apt-get install maven
git clone https://github.com/freedev/solr-import-export-json.git
cd solr-import-export-json
mvn clean package
Now you're ready.
This is the list of command line parameters.
usage: myapp [-a <arg>] [-d] [-D] [-f <arg>] [-h] [-k <arg>] [-o <arg>]
[-s <arg>] [-S <arg>]
solr-import-export-json
-a,--actionType <arg> action type [import|export|backup|restore]
-d,--deleteAll delete all documents before import
-D,--dryRun dry run test
-f,--filterQuery <arg> filter Query during export
-h,--help help
-k,--uniqueKey <arg> specify unique key for deep paging
-o,--output <arg> output file
-s,--solrUrl <arg> solr url
-S,--skipFields <arg> comma separated fields list to skip during
export/import, this field accepts start and end
wildcard *. So you can specify skip all fields
starting with name_*
export all documents into a json file
./run.sh -s http://localhost:8983/solr/collection -a export -o /tmp/collection.json
import documents from json
./run.sh -s http://localhost:8983/solr/collection -a import -o /tmp/collection.json
export part of documents, like adding a fq Solr parameter to the export
./run.sh -s http://localhost:8983/solr/collection -a export -o /tmp/collection.json --filterQuery field:value
import documents from json but first delete all documents in the collection
./run.sh -s http://localhost:8983/solr/collection -a import -o /tmp/collection.json --deleteAll
export documents and skip few fields. In the example the will be skipped the fields: field1_a, all the fields starting with field2_ and all the fields ending with _date
./run.sh -s http://localhost:8983/solr/collection -a export -o /tmp/collection.json --skipFields field1_a,field2_*,*_date
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