学生信息表
for (var i = 0; i < 1500; i++)
{
db.mytest.student.insert( {
sid: (i+1),
sname: "学生" + (i+1),
sage: Math.floor(Math.random() * 100) + 6,
ssex: Math.floor(Math.random() * 2),
cid: Math.floor(Math.random() * 100) + 1,
prvn_nam: "省份" + Math.floor(Math.random() * 10),
city_nam: "城市" + Math.floor(Math.random() * 100),
phone: 13500000000 + Math.floor(Math.random() * 100000000),
email: Math.floor(Math.random() * 100000) + "@qq.com"
} );
}