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Apache-2.0

GoSqlGo

简介 | Description

天下武功,唯快不破,程序无非就是接收用户输入、存到数据库。GoSqlGo能让前端直接存取数据库,省掉后端程序员。

缘起 | Origin

一直认为,开发效率最高的方式不是让MVC架构极简(SpringBoot/jFinal),而是彻底省略掉MVC架构和后端程序员,直接由前端搞定一切,由多层架构变成两层,在前端直接写SQL,缩短输入和SQL的矩离,才是最快的开发途径。基于此理念,在2011年本人在这里写了一句预言,没想到技术的发展如此之慢,现在要自己亲手去实现它了,这就是GoSqlGo项目,如果名字翻译成中文,可以翻译成"Sql冲冲冲冲冲",这个比较贴切,它体现了SQL为王,一路狂奔,冲到了前端的意思。

架构 | Software Architecture

GoSqlGo是一个运行于后端的集ORM、Servlet、MVC功能为一身的开发环境,它的最大特点就是动态编译客户端Java代码,所有SQL和Java代码都可以在前端Html页面完成,可以彻底甩掉后端了。 忘掉MVC吧,因为现在架构变成两层了;忘掉事务、ORM吧,前端只需要关注SQL就行了;忘掉FreeMaker之类模板吧,因为Java变成了Javascript中的模板语言。忘掉后端程序员吧,因为后端除了写数据库,本来就没多少事干,现在这点活也由前端接管了。

特点 | Features

前端程序员可以直接在Javascript里写SQL和Java代码,例如以下为一个HTML片段,实测通过,示例位于这里

......
<script src="/js/gosqlgo.js"></script>
<script>
  aamount = qry('"select amount from account where id=?", param("A")'); 
  bamount = java(
     'try{ '
     +' Long amount=iQueryForLongValue("select amount from account where id=?", param("B")," and amount<>?", param(0)); '
     + '  return amount.toString();'
     + '}catch(Exception e){'
     +'	return "0"; '
     +'} ' 
    );
</script>
</head>
<body>
	<h1>Transaction Demo</h1>
	<div class="msgs"></div> 
	<section>
		<header>Account A</header>
		<div id="A" class="amount">
			<script> document.write(aamount); </script>
		</div>
	</section>
	<section>
		<header>Account B</header>
		<div id="B" class="amount">
			<script> document.write(bamount); </script>
		</div>
	</section>

GoSqlGo运行在服务端,只需要进行简单的数据源设定就可以了,详见demo/gsg-tomcat/src/main/java/com/gitee/gosqlgo/demo/InitConfig.java文件内容。

GoSqlGo在客户端只需要添加一个gosqlgo.js,就可以进行服务端调用了,所有业务写在客户端。gosqlgo.js主要有三个方法:

  • qry() 执行单个SQL查询,返回一个文本对象。
  • java() 执行多行Java语句,返回一个文本或JSON对象。
  • tx() 执行多行Java语句并开启事务,返回一个文本或JSON对象,执行过程中如果出错,则事务会自动回滚。

原理 | Description

开发阶段:GoSqlGo在服务端运行,它自带一个动态编译工具,前端发来的SQL和Java片段,被运态编译为Java类,并调用其自带的ORM工具(采用jSqlBox),运行并返回文本或JSON对象。

布署阶段:通过一个打包工具,将前端所有的SQL和原生Java片段打包到服务端去,原有客户端的SQl和JAVA代码在打包后将成为类似于qry('Cdjf0198fgopiadr9h9h','A');之类的通过ID进行的调用,以实现安全性。

安装 | Installation

目前只支持Tomcat7及Java8版本或以上,用git clone下载后,修改"deploy_tomcat.bat"批处理命令中的Tomcat7路径,指向本机的Tomcat安装目录,然后双击这个批处理就可以运行了。
查看: http://127.0.0.1/

注意:目前GoSqlGo并未开发完成,打包工具也没有,且需要本机安装Tomcat7或以上,待正式发布时,将针对Tomcat/SpringBoot/Jetty/Undertow分别发行不同的Sevlet集成版本, 本机不再需要安装Tomcat。

作者其它开源项目 | Other Projects

期望 | Futures

目前GoSqlGo还未完全开发完成,对它感兴趣的请加关注,或发issue提出更好的意见,帮助完善它。也欢迎加入GoSqlGo开发组。

版权 | License

Apache 2.0

关注我 | About Me

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点赞 | DianZan

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简介

天下武功,唯快不破,程序无非就是接收用户输入、存到数据库。GoSqlGo能让前端直接存取数据库,省掉后端程序员。 展开 收起
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