数据源
准备原始数据
2份原始模拟数据源的链接可在此下载:点我与点我 使用sqliteBrower打开db.
元数据:
db4469e0e6bb480dbd08fe00db878292
各列字段代表的意义:
COL_0_0
:SubjectCOL_0_1
:YearCOL_0_2
:TermCOL_0_3
:MonthCOL_0_4
:DayCOL_0_5
:GradeCOL_0_6
:ClassCOL_0_7
:TeacherCOL_0_8
:Teacher's Session DurationCOL_0_9
:Teacher's case countCOL_0_10
:Student's case count of DoneCOL_0_11
:Student's case count of Correct
元数据:
499a4c557cc34b94ab7e33de202ae527
各列字段代表的意义:
COL_0_0
:SubjectCOL_0_1
:YearCOL_0_2
:TermCOL_0_3
:MonthCOL_0_4
:DayCOL_0_5
:GradeCOL_0_6
:ClassCOL_0_7
:StudentCOL_0_8
:Student's PerformanceCOL_0_9
:Student's Total Quantity of HomeworkCOL_0_10
:Student's Doen Quantity of Homework
定义多维结构
将多维数据源的结构以json定义:
[
{
"dataSetId": "abaa7259-9a26-4210-b3d8-ca7f0b7bebe8",
"dimensions": [
{
"granularities": [
{
"key": "COL_0_0",
"title": "Subject"
}
],
"key": "Dimension_1",
"title": "Subject"
},
{
"granularities": [
{
"key": "COL_0_1",
"title": "Year"
},
{
"key": "COL_0_2",
"sort": "NXSortOperationAsc",
"title": "Term"
},
{
"key": "COL_0_3",
"title": "Month"
},
{
"key": "COL_0_4",
"title": "Day"
}
],
"key": "Dimension_2",
"title": "Time"
},
{
"granularities": [
{
"key": "COL_0_5",
"title": "Grade"
},
{
"key": "COL_0_6",
"title": "Class"
},
{
"key": "COL_0_7",
"title": "Teacher"
}
],
"key": "Dimension_3",
"title": "Unit"
}
],
"measures": [
{
"key": "COL_0_8",
"title": "Teacher's Session Duration"
},
{
"key": "COL_0_9",
"title": "Teacher's case count"
},
{
"key": "COL_0_10",
"title": "Student's case count of Done"
},
{
"key": "COL_0_11",
"title": "Student's case count of Correct"
}
]
},
{
"dataSetId": "842e1994-dad5-4914-829b-5a12799db135",
"dimensions": [
{
"granularities": [
{
"key": "COL_0_0",
"title": "Subject"
}
],
"key": "Dimension_1",
"title": "Subject"
},
{
"granularities": [
{
"key": "COL_0_1",
"title": "Year"
},
{
"key": "COL_0_2",
"sort": "NXSortOperationAsc",
"title": "Term"
},
{
"key": "COL_0_3",
"title": "Month"
},
{
"key": "COL_0_4",
"title": "Day"
}
],
"key": "Dimension_2",
"title": "Time"
},
{
"granularities": [
{
"key": "COL_0_5",
"title": "Grade"
},
{
"key": "COL_0_6",
"title": "Class"
},
{
"key": "COL_0_7",
"title": "Student"
}
],
"key": "Dimension_3",
"title": "Unit"
}
],
"measures": [
{
"key": "COL_0_8",
"title": "Student's Performance"
},
{
"key": "COL_0_9",
"title": "Student's Total Quantity of Homework"
},
{
"key": "COL_0_10",
"title": "Student's Doen Quantity of Homework"
}
]
}
]
维粒度设定解析
sort
:将该粒度的数据进行相应的排序操作。可选项有:NXSortOperationNone(不排序),NXSortOperationAsc(增序),NXSortOperationDesc(降序)
使用服务器生成多维数据db
将上面的json转化为NXCubeStructure,并生成多层级的sqlitedb.此处源数据从sqlite里读的,因此使用NXProducerSQLiteDataSource. 若源数据从mysql,oracle读的,使用相应的NXProducerMysqlDataSource,NXProducerOracleDataSource。
接下来需要定义图表配置文件。 点我跳转