var index = require('./index');
var klass = [{klass:'三年二班', teacherName:'苍进空', students:['白富美','高富帅']},{klass:'二年二班', teacherName:'苍进空', students:['白富美','高富帅']}];
index.add(klass);
var index = require('./index');
var klass = [{klass:'三年二班', teacherName:'苍进空', students:['白富美','高富帅']}];
var klass2 = [{klass:'二年二班', teacherName:'苍进空', students:['白富美','高富帅']}];
index.add(klass);
index.add(klass2);