// 获取数据库连接
//    val url = MongoClientURI("mongodb://192.168.56.160:27017/")
//    val mc = MongoClient(url)
    val mc = MongoClient("192.168.56.160", 27017)
    val db = mc("mydemo") // 加载数据库
    val tab = db("userinfos")
    // todo 查
    val where = MongoDBObject("name" -> "zhangsan")
    tab.find(where).foreach(println)
    // todo 查询姓张
    tab.filter(_.get("name").toString.startsWith("zhang")).foreach(println)
    // todo 查所有
    val rdd = tab.map(x=>{
      (x.get("id"),x.get("name"),x.get("age"))
    })
    // todo 增加
    val row = MongoDBObject("id" -> "5", "name" -> "zhaoyun", "age" -> 1300)
    tab.insert(row)