9 to simultaneously search multiple index, or more type

1. Search all index (caution):
   GET  /_search
2. Under a search index of all type, (do not type can be specified)
   GET /beauties/_search
3. A plurality of search indexes, among the plurality of indexes, with a comma (,) separated
   GET /beauties,test_index/_search
4. Wildcards search index of all content match
   GET /*e*,b*/_search
5. A search index, the more type
   GET /beauties/my,cn/_search
6. Search all index, specify the type, (with _all index refers to all generations)
   GET /_all/my,cn/_search