原理:利用Freemarker技术,通过java加载Freemarker模板,将前台输入的参数填入模板里面,通过FileZip压缩一个zip包,然后自动下载下来

1.预先定义好模板

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2.界面输入相关参数

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QQ图片20160429175003

 

3.解析模板生成代码并下载

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最后放出源代码:

package com.et.controller.system.createcode;

import java.util.ArrayList;
import java.util.Date;
import java.util.HashMap;
import java.util.List;
import java.util.Map;

import javax.servlet.http.HttpServletResponse;

import org.springframework.stereotype.Controller;
import org.springframework.web.bind.annotation.RequestMapping;

import com.et.controller.base.BaseController;
import com.et.util.DelAllFile;
import com.et.util.FileDownload;
import com.et.util.FileZip;
import com.et.util.Freemarker;
import com.et.util.PageData;
import com.et.util.PathUtil;

/**
* 类名称:FreemarkerController
* 创建人:Harries
* 创建时间:2015年1月12日
* @version
*/
@Controller
@RequestMapping(value=”/createCode”)
public class CreateCodeController extends BaseController {

/**
* 生成代码
*/
@RequestMapping(value=”/proCode”)
public void proCode(HttpServletResponse response) throws Exception{
PageData pd = new PageData();
pd = this.getPageData();

/* ============================================================================================= */
String packageName = pd.getString(“packageName”); //包名 ========1
String objectName = pd.getString(“objectName”); //类名 ========2
String tabletop = pd.getString(“tabletop”); //表前缀 ========3
tabletop = null == tabletop?””:tabletop.toUpperCase(); //表前缀转大写
String zindext = pd.getString(“zindex”); //属性总数
int zindex = 0;
if(null != zindext && !””.equals(zindext)){
zindex = Integer.parseInt(zindext);
}
List<String[]> fieldList = new ArrayList<String[]>(); //属性集合 ========4
for(int i=0; i< zindex; i++){
fieldList.add(pd.getString(“field”+i).split(“,fh,”)); //属性放到集合里面
}

Map<String,Object> root = new HashMap<String,Object>(); //创建数据模型
root.put(“fieldList”, fieldList);
root.put(“packageName”, packageName); //包名
root.put(“objectName”, objectName); //类名
root.put(“objectNameLower”, objectName.toLowerCase()); //类名(全小写)
root.put(“objectNameUpper”, objectName.toUpperCase()); //类名(全大写)
root.put(“tabletop”, tabletop); //表前缀
root.put(“nowDate”, new Date()); //当前日期

DelAllFile.delFolder(PathUtil.getClasspath()+”admin/ftl”); //生成代码前,先清空之前生成的代码
/* ============================================================================================= */

String filePath = “admin/ftl/code/”; //存放路径
String ftlPath = “createCode”; //ftl路径

/*生成controller*/
Freemarker.printFile(“controllerTemplate.ftl”, root, “controller/”+packageName+”/”+objectName.toLowerCase()+”/”+objectName+”Controller.java”, filePath, ftlPath);

/*生成service*/
Freemarker.printFile(“serviceTemplate.ftl”, root, “service/”+packageName+”/”+objectName.toLowerCase()+”/”+objectName+”Service.java”, filePath, ftlPath);

/*生成mybatis xml*/
Freemarker.printFile(“mapperMysqlTemplate.ftl”, root, “mybatis_mysql/”+packageName+”/”+objectName+”Mapper.xml”, filePath, ftlPath);
Freemarker.printFile(“mapperOracleTemplate.ftl”, root, “mybatis_oracle/”+packageName+”/”+objectName+”Mapper.xml”, filePath, ftlPath);

/*生成SQL脚本*/
Freemarker.printFile(“mysql_SQL_Template.ftl”, root, “mysql数据库脚本/”+tabletop+objectName.toUpperCase()+”.sql”, filePath, ftlPath);
Freemarker.printFile(“oracle_SQL_Template.ftl”, root, “oracle数据库脚本/”+tabletop+objectName.toUpperCase()+”.sql”, filePath, ftlPath);

/*生成jsp页面*/
Freemarker.printFile(“jsp_list_Template.ftl”, root, “jsp/”+packageName+”/”+objectName.toLowerCase()+”/”+objectName.toLowerCase()+”_list.jsp”, filePath, ftlPath);
Freemarker.printFile(“jsp_edit_Template.ftl”, root, “jsp/”+packageName+”/”+objectName.toLowerCase()+”/”+objectName.toLowerCase()+”_edit.jsp”, filePath, ftlPath);

/*生成说明文档*/
Freemarker.printFile(“docTemplate.ftl”, root, “说明.doc”, filePath, ftlPath);

//this.print(“oracle_SQL_Template.ftl”, root); 控制台打印

/*生成的全部代码压缩成zip文件*/
FileZip.zip(PathUtil.getClasspath()+”admin/ftl/code”, PathUtil.getClasspath()+”admin/ftl/code.zip”);

/*下载代码*/
FileDownload.fileDownload(response, PathUtil.getClasspath()+”admin/ftl/code.zip”, “code.zip”);

}

}

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