YunNanDsBase/src/main/java/com/dsideal/base/DataEase/Model/DataEaseModel.java

package com.dsideal.base.DataEase.Model;

import com.jfinal.plugin.activerecord.Db;
import com.jfinal.plugin.activerecord.Record;
import net.sf.json.JSONArray;
import net.sf.json.JSONObject;

import java.util.ArrayList;
import java.util.List;

import static com.dsideal.base.Tools.InitDataEaseDataSet.DB_NAME;

public class DataEaseModel {
    /**
     * 获取当前人员可以看到哪些数据集
     *
     * @param identity_id 身份id
     * @return 数据集列表
     */
    public List<Record> getDataSet(int identity_id) {
        String sql = "select * from t_dp_dataset where owner_id=? order by dataset_name";
        return Db.find(sql, identity_id);
    }

    /**
     * 获取数据集对应的表
     *
     * @param dataset_id 数据集id
     * @return
     */
    public List<Record> getDataSetTableContent(int dataset_id) {
        Record record = getTableName(dataset_id);
        if (record == null) return null;
        String sql = "select * from `" + record.getStr("table_name") + "`";
        List<Record> list=Db.use(DB_NAME).find(sql);
        return list;
    }

    /**
     * 根据数据集id获取表名
     *
     * @param dataset_id 数据集id
     * @return 表对象
     */
    public Record getTableName(int dataset_id) {
        String sql = "select * from t_dp_dataset where id=?";
        return Db.findFirst(sql, dataset_id);
    }

    /**
     * 保存数据集对应的表
     *
     * @param dataset_id 数据集id
     * @param ja         json数组
     */
    public void saveDataSetTable(int identity_id, int dataset_id, String xmqh, JSONArray ja) {

        System.out.println(ja);
        String tableName = getTableName(dataset_id).getStr("table_name");
        if (identity_id > 1) {
            String sql = "delete from dataease.`" + tableName + "` where `行政区划`=?";
            Db.update(sql, xmqh);
        } else {
            String sql = "delete from dataease.`" + tableName + "`";
            Db.update(sql);
        }
        List<Record> list = new ArrayList<>();
        for (int i = 0; i < ja.size(); i++) {
            JSONObject jsonObject = ja.getJSONObject(i);
            //遍历jo的每一个属性
            // 或者使用keySet和for-each循环遍历
            Record record = new Record();
            for (Object key : jsonObject.keySet()) {
                Object value = jsonObject.get(key);
                if (value.equals("null")) value = null;
                record.set(key.toString(), value);
            }
            list.add(record);
        }
        Db.use("dataease").batchSave(tableName, list, 100);
    }
}