jxyh/src/main/java/sys/sc/opplugin/utils/DatFileCreatUtils.java

package sys.sc.opplugin.utils;

import com.grapecity.documents.excel.Q;
import kd.bos.algo.DataSet;

import kd.bos.algo.Row;
import kd.bos.dataentity.entity.DynamicObject;
import kd.bos.dataentity.metadata.dynamicobject.DynamicObjectType;
import kd.bos.db.DB;
import kd.bos.db.DBRoute;
import kd.bos.entity.EntityMetadataCache;
import kd.bos.orm.query.QCP;
import kd.bos.orm.query.QFilter;
import kd.bos.orm.query.multi.QFilterFtlikeTransFunction;
import kd.bos.servicehelper.BusinessDataServiceHelper;
import kd.scm.bid.formplugin.report.biddetailquery.QingFiledContent;

import java.io.*;
import java.util.ArrayList;
import java.util.List;

/**
 * @author cjz
 * @date 2024/9/18 16:30
 * @description:生成dat文件方法封装
 */
public class DatFileCreatUtils {
    //表名
    private  String nckdentry;
    //业务编码
    private String bizappnum;
    //生成表的字段list
    private  List<String> selector;
    //生成文件位置
    private  String filePath;
    //分隔符
    private String spiltsign;
    //结尾符
    private String endsign;

    public DatFileCreatUtils(String nckdentry,String bizappnum,List<String> selector,String filePath,String spiltsign,String endsign)
    {
        this.nckdentry=nckdentry;
        this.bizappnum=bizappnum;
        this.selector=selector;
        this.filePath=filePath;
        this.spiltsign=spiltsign;
        this.endsign=endsign;
    }

    public void creatDatFile() {
        QFilter filtercol=new QFilter("number",QCP.equals,bizappnum);
        //业务云
        DynamicObject bizappcloudDy=BusinessDataServiceHelper
                .loadSingle("bos_devportal_bizapp","id,bizcloud.number",new QFilter[]{filtercol});
        //业务云编码
        String bizcloudnum=bizappcloudDy.getString("bizcloud.number");
        String sql = " /*dialect*/ select "+String.join(",", selector)+" from "+nckdentry;
        DataSet dataSet = DB.queryDataSet(this.getClass().getName(),DBRoute.of(bizcloudnum),sql,null);
        try {
            File file = new File(filePath);
            //文件路径不存在则创建文件
            if (!file.exists()) {
                File parentDir = file.getParentFile();
                if (parentDir != null && !parentDir.exists()) {
                    parentDir.mkdirs();
                }
                file.createNewFile();
            }
            try (BufferedWriter writer = new BufferedWriter(new OutputStreamWriter(new FileOutputStream(filePath), "GBK"))) {
                while(dataSet.hasNext()) {
                    Row data = dataSet.next();
                    StringBuilder line = new StringBuilder();
                    for (String field : selector) {
                        //分割符
                        line.append(data.get(field) != null ? data.get(field).toString() : "").append(spiltsign);
                    }
                    line.setLength(line.length() - 1);
                    //结尾符
                    line.append(endsign);
                    writer.write(line.toString());
                    writer.newLine();
                }
            }
        } catch (IOException ex) {
            ex.printStackTrace();
        }
    }
}