elasticsearch highlighting

PUT /my_index

{
  "mappings": {
    "doc_type": {
      "properties": {
        "content": {
          "type": "string",
          "term_vector": "with_positions_offsets",
          "analyzer": "snowball"
        }
      }
    }
  }
}

POST /_search

{
  "query": {
    "multi_match": {
      "query": "公司",
      "type": "best_fields",
      "fields": [
        "title",
        "content"
      ]
    }
  },
  "filter": {
    "term": {
      "site": "baidu.com"
    }
  },
  "highlight": {
    "fields": {
      "content": {
        "fragment_size": 100,
        "number_of_fragments": 2,
        "no_match_size": 100,
        "term_vector": "with_positions_offsets",
        "boundary_chars": " 。,?",
        "max_boundary_size": 80,
        "force_source": true
      }
    }
  }
}

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