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package com.landtool.lanbase.modules.sys.service.impl;
 
import org.apache.commons.io.IOUtils;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Service;
 
import com.landtool.lanbase.common.utils.GeneratorUtils;
import com.landtool.lanbase.modules.sys.dao.SysGeneratorDao;
import com.landtool.lanbase.modules.sys.service.SysGeneratorService;
 
import java.io.ByteArrayOutputStream;
import java.util.List;
import java.util.Map;
import java.util.zip.ZipOutputStream;
 
/**
 * @author lanbase
 * @Description: TODO()
 * @date 2017-6-23 15:07
 */
@Service("sysGeneratorService")
public class SysGeneratorServiceImpl implements SysGeneratorService {
 
    @Autowired
    private SysGeneratorDao sysGeneratorDao;
 
    @Override
    public List<Map<String, Object>> queryList(Map<String, Object> map) {
        return sysGeneratorDao.queryList(map);
    }
 
    @Override
    public int queryTotal(Map<String, Object> map) {
        return sysGeneratorDao.queryTotal(map);
    }
 
    @Override
    public Map<String, String> queryTable(String tableName) {
        return sysGeneratorDao.queryTable(tableName);
    }
 
    @Override
    public List<Map<String, String>> queryColumns(String tableName) {
        return sysGeneratorDao.queryColumns(tableName);
    }
 
    @Override
    public byte[] generatorCode(String[] tableNames) {
        ByteArrayOutputStream outputStream = new ByteArrayOutputStream();
        ZipOutputStream zip = new ZipOutputStream(outputStream);
 
        for(String tableName : tableNames){
            //查询表信息
            Map<String, String> table = queryTable(tableName);
            //查询列信息
            List<Map<String, String>> columns = queryColumns(tableName);
            //生成代码
            GeneratorUtils.generatorCode(table, columns, zip);
        }
        IOUtils.closeQuietly(zip);
        return outputStream.toByteArray();
    }
}