- da or
danish
- nl or
dutch
- en or
english
- fi or
finnish
- fr or
french
- de or
german
- hu or
hungarian
- it or
italian
- nb or
norwegian
- pt or
portuguese
- ro or
romanian
- ru or
russian
- es or
spanish
- sv or
swedish
- tr or
turkish
db.de.ensureIndex( {txt: "text"}, {default_language: "german"} )
mongodb fulltextsearch 关于语言的设置选项
原文：http://blog.csdn.net/terry_water/article/details/43671749
