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331 lines
12 KiB
331 lines
12 KiB
package com.dsideal.base.DataEase.Model;
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import com.jfinal.kit.Kv;
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import com.jfinal.plugin.activerecord.Db;
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import com.jfinal.plugin.activerecord.Record;
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import com.jfinal.plugin.activerecord.SqlPara;
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import net.sf.json.JSONArray;
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import net.sf.json.JSONObject;
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import java.util.ArrayList;
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import java.util.List;
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public class DataEaseModel {
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//DataEase数据库名称
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public static final String DB_NAME = "dataease";
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/**
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* 获取当前人员可以看到哪些数据集
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*
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* @param identity_id 身份id
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* @return 数据集列表
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*/
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public List<Record> getDataSetByIdentityId(int identity_id) {
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String sql = "select * from t_dp_dataset where owner_id=? order by dataease_id desc";
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return Db.find(sql, identity_id);
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}
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/**
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* 获取数据集对应的表
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*
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* @param dataset_id 数据集id
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* @return
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*/
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public List<Record> getDataSetTableContent(int dataset_id) {
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Record record = getTableName(dataset_id);
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if (record == null) return null;
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String sql = "select * from `" + record.getStr("table_name") + "`";
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List<Record> list = Db.use(DB_NAME).find(sql);
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return list;
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}
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/**
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* 根据数据集id获取表名
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*
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* @param dataset_id 数据集id
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* @return 表对象
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*/
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public Record getTableName(int dataset_id) {
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String sql = "select * from t_dp_dataset where id=?";
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return Db.findFirst(sql, dataset_id);
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}
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/**
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* 保存数据集对应的表
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*
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* @param dataset_id 数据集id
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* @param ja json数组
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*/
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public void saveDataSetTable(int identity_id, int dataset_id, String xmqh, JSONArray ja) {
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String tableName = getTableName(dataset_id).getStr("table_name");
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if (identity_id > 1) {
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String sql = "delete from dataease.`" + tableName + "` where `行政区划`=?";
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Db.update(sql, xmqh);
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} else {
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String sql = "delete from dataease.`" + tableName + "`";
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Db.update(sql);
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}
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List<Record> list = new ArrayList<>();
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for (int i = 0; i < ja.size(); i++) {
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JSONObject jsonObject = ja.getJSONObject(i);
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//遍历jo的每一个属性
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// 或者使用keySet和for-each循环遍历
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Record record = new Record();
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for (Object key : jsonObject.keySet()) {
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Object value = jsonObject.get(key);
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if (value.equals("null")) value = null;
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record.set(key.toString(), value);
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}
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list.add(record);
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}
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Db.use("dataease").batchSave(tableName, list, 100);
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}
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/**
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* 获取指定大屏中的地图配置信息
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*
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* @param bigScreenId 大屏ID
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* @return
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*/
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public List<Record> getMap(long bigScreenId) {
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String sql = "select id,custom_attr from dataease.core_chart_view where scene_id=? and type='map'";
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List<Record> list = Db.find(sql, bigScreenId);
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return list;
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}
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/**
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* 获取城市编码
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*
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* @param cityName 城市名称
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* @return 城市编码
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*/
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public String getCityCode(String cityName) {
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String sql = "select area_code from t_city_code where area_name=?";
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return Db.findFirst(sql, cityName).getStr("area_code");
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}
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/**
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* 修改大屏的城市地图为指定的城市
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*
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* @param dataVisualizationName 大屏名称
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* @param cityName 城市名称
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*/
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public void updateCity(String dataVisualizationName, String cityName) {
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//取出大屏的ID值
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String sql = "select * from dataease.data_visualization_info where name =?";
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Record dataVisualizationInfo = Db.findFirst(sql, dataVisualizationName);
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long bigScreenId = dataVisualizationInfo.getLong("id");
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// 配置的内容
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List<Record> list = getMap(bigScreenId);
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for (Record record : list) {
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long id = record.getLong("id");
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com.alibaba.fastjson.JSONObject jo = com.alibaba.fastjson.JSONObject.parseObject(record.getStr("custom_attr"));
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//获取城市编码
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String area_code = getCityCode(cityName);
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//修改城市编码
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jo.getJSONObject("map").put("id", area_code);
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jo.getJSONObject("map").put("level", "city");
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//写到数据库
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String jsonString = jo.toJSONString();
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Db.update("update dataease.core_chart_view set custom_attr=? where id=?", jsonString, id);
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}
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}
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/**
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* 获取数据集的表名
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*
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* @param dataset_group_id 数据集的id
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* @return 表名
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*/
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public String getTableName(long dataset_group_id) {
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Kv kv = Kv.by("dataset_group_id", dataset_group_id);
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SqlPara sqlPara = Db.getSqlPara("DataEase.getTableName", kv);
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return Db.findFirst(sqlPara).getStr("table_name");
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}
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/**
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* 将数据集填充到数据库表中，用于配置此数据集让谁来维护
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*
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* @param parent_name 数据集的父名称
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* @param table_name 表名
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* @param dataset_name 数据集名
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*/
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public void collectDataSet(String parent_name, String table_name, String dataset_name, long dataease_id) {
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String sql = "select count(1) from t_dp_dataset where table_name=?";
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if (Db.queryInt(sql, table_name) == 0) {
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Record record = new Record();
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record.set("parent_name", parent_name.replace("-", ""));
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record.set("table_name", table_name);
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record.set("dataset_name", dataset_name);
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if (parent_name.contains("省")) {
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record.set("owner_id", 1);
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} else if (parent_name.contains("市") || parent_name.contains("州")) {
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record.set("owner_id", 2);
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} else if (parent_name.contains("县")) {
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record.set("owner_id", 3);
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}
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record.set("dataease_id", dataease_id);
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Db.save("t_dp_dataset", "id", record);
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System.out.println("添加数据集成功,parent_name=" + parent_name + ",table_name=" + table_name + ",dataset_name=" + dataset_name);
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}else{
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System.out.println("数据集已存在，跳过添加");
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}
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}
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/**
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* 获取表中不允许为空的列名
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*
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* @param tableName 表名
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* @return 列名列表
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*/
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public List<String> getNotNullColumns(String tableName) {
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List<String> columns = new ArrayList<>();
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String sql = "SELECT COLUMN_NAME FROM information_schema.COLUMNS WHERE TABLE_SCHEMA = ? AND TABLE_NAME = ? AND IS_NULLABLE = 'NO'";
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List<Record> results = Db.find(sql, DataEaseModel.DB_NAME, tableName);
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for (Record result : results) {
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columns.add(result.get("COLUMN_NAME").toString());
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}
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return columns;
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}
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// 检查表是否存在主键
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public boolean hasPrimaryKey(String tableName) {
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String sql = "SELECT COUNT(*) as c FROM information_schema.TABLE_CONSTRAINTS WHERE TABLE_SCHEMA = ? AND TABLE_NAME = ? AND CONSTRAINT_TYPE = 'PRIMARY KEY'";
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return Db.use("dataease").queryInt(sql, DataEaseModel.DB_NAME, tableName) > 0;
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}
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// 添加主键列，并设置为主键
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public void addPrimaryKey(String tableName) {
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// 添加 id 列
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String sql = "ALTER TABLE `" + tableName + "` ADD COLUMN `id` int(11) primary key auto_increment first";
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Db.use(DataEaseModel.DB_NAME).update(sql);
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}
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/**
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* 获取所有以 excel_ 开头的表
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*
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* @return
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*/
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public List<Record> getExcelTable() {
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// 查询所有以 excel_ 开头的表
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String sql = "SELECT TABLE_NAME FROM information_schema.TABLES WHERE TABLE_SCHEMA = 'dataease' AND TABLE_NAME LIKE 'excel\\_%'";
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return Db.use(DataEaseModel.DB_NAME).find(sql);
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}
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/**
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* 添加主键
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*/
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public void addPrimaryKey() {
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// 查询所有以 excel_ 开头的表
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List<Record> tables = getExcelTable();
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for (Record table : tables) {
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String tableName = table.getStr("TABLE_NAME");
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//没有主键的表，添加上主键
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if (!hasPrimaryKey(tableName)) {
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System.out.println("表" + tableName + "没有主键，正在添加主键...");
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addPrimaryKey(tableName);
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System.out.println("添加主键成功");
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}
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}
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}
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/**
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* 将Excel表中不允许为空的列改为允许为空
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*/
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public void updateNotNullColumns() {
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// 查询所有以 excel_ 开头的表
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List<Record> tables = getExcelTable();
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for (Record table : tables) {
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String tableName = table.getStr("TABLE_NAME");
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//获取非空列
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List<String> cols = getNotNullColumns(tableName);
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for (String col : cols) {
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if (!col.equals("id")) {
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System.out.println("列" + col + "非空，正在去掉不允许为空的限制...");
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//去掉不允许为空的限制
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String sql = "ALTER TABLE `" + tableName + "` MODIFY `" + col + "` VARCHAR(255) NULL";
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Db.use(DataEaseModel.DB_NAME).update(sql);
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System.out.println("去掉不允许为空的限制成功");
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}
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}
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}
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}
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/**
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* 将数据集添加到数据库中
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*/
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public void collectDataSet() {
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//1、获取树根
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SqlPara sqlPara = Db.getSqlPara("DataEase.getTreeRoot");
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Record rRoot = Db.findFirst(sqlPara);
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long rootId = rRoot.getLong("id");
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//2、查询有哪些数据集
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Kv kv = Kv.by("id", rootId);
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kv.set("dataset", true);
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sqlPara = Db.getSqlPara("DataEase.getAllDataSet", kv);
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List<Record> list = Db.find(sqlPara);
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for (Record record : list) {
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long dataease_id = record.getLong("id");
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//数据集父名称
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String parent_name = record.getStr("parent_name");
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//数据集名称
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String dataset_name = record.getStr("name");
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//对应的表名
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String table_name = getTableName(dataease_id);
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//将这些数据集扫描到表中，然后标识这个数据集由谁来维护
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collectDataSet(parent_name, table_name, dataset_name, dataease_id);
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}
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}
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/**
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* 获取指定省份下的所有市
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*
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* @param area_name
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* @return
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*/
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public Record getAreaByName(String area_name) {
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String sql = "select * from t_dm_area where area_name=?";
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return Db.findFirst(sql, area_name);
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}
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/**
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* 指定父级id获取所有子级
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*
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* @param parent_id 父级id
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* @return
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*/
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public List<Record> getAreaList(String parent_id) {
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String sql = "select * from t_dm_area where parent_id=?";
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return Db.find(sql, parent_id);
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}
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/**
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* 指定表格是不是有指定名称的列
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* @param tableName 表名
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* @return
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*/
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public boolean hasNoColumnName(String tableName, String columnName) {
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String sql = "SELECT COLUMN_NAME FROM INFORMATION_SCHEMA.COLUMNS WHERE TABLE_SCHEMA = 'dataease' AND TABLE_NAME = ? AND COLUMN_NAME = ?";
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return Db.find(sql, tableName,columnName).isEmpty();
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}
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/**
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* 添加上指定名称的列
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* @param tableName 表名
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* @param columnName 列名
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*/
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public void addColumn(String tableName, String columnName){
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String sql="ALTER TABLE `"+tableName+"` ADD COLUMN `"+columnName+"` varchar(255) NULL";
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Db.use(DataEaseModel.DB_NAME).update(sql);
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}
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}
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