代码生成器的源码编写

代码生成器模板
package entity;
import java.util.Date;
import java.io.Serializable;

public class ${table.className} implements Serializable  {

      <#list table.columns as column>
        private ${column.javaType} ${column.filedName};
       </#list>


          <#list table.columns as column>
            public void set${column.upperFiledName}(${column.javaType} ${column.filedName}){
                this.${column.filedName}=${column.filedName};
            }

            public ${column.javaType} get${column.upperFiledName}(){
                return this.${column.filedName};
            }
</#list>	
}

package cn.code;

import freemarker.template.Configuration;
import freemarker.template.Template;

import java.io.File;
import java.io.FileOutputStream;
import java.io.OutputStreamWriter;
import java.util.HashMap;
import java.util.Map;


public class Generator {

    private  Configuration configuration;


    //path 模板路径
    public void init(String path) throws Exception{
         configuration = new Configuration(Configuration.getVersion());

           configuration.setDirectoryForTemplateLoading(new File(path));


    }
    //tempName模板文件的名称
    // savePath 保存路径
     public void process(String tempName,String savePath,Map<String,Object> param)throws Exception{
        //获取模板对应实例
        Template template=configuration.getTemplate(tempName);
          //组装数据
        //初始化保存路径
         FileOutputStream fos=new  FileOutputStream(savePath);
         OutputStreamWriter outputStreamWriter=new OutputStreamWriter(fos);
         //传参，生成数据
         template.process(param,outputStreamWriter);

     }



}

package cn.code;
import cn.code.Moudle.Column;
import cn.code.Moudle.Table;
import cn.code.utils.StringUtils;

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

/**
 * Created by zezhong.shang on 17-6-5.
 */
public class TableUtils {

    private static String DBDRIVER = PropertiesUtils.get("database.properties", "driver");

    private static String DBURL = PropertiesUtils.get("database.properties", "url");

    private static String DBUSER = PropertiesUtils.get("database.properties", "user");

    private static String DBPASS = PropertiesUtils.get("databas