<?xml version="1.0" encoding="utf-8" ?><rss version="2.0"><channel><title><![CDATA[SpringMVC]]></title><description><![CDATA[关于为什么SpringMVC加上ResponseBody或者RestController就会返回字符串]]></description><link>https://blog.youkuaiyun.com/javadeworld</link><language>zh-cn</language><generator>https://blog.youkuaiyun.com/</generator><copyright><![CDATA[Copyright &copy; javadeworld]]></copyright><item><title><![CDATA[MySQL GROUP BY 分组 排序]]></title><link>https://blog.youkuaiyun.com/javadeworld/article/details/130958779</link><guid>https://blog.youkuaiyun.com/javadeworld/article/details/130958779</guid><author>javadeworld</author><pubDate>Tue, 30 May 2023 23:00:08 +0800</pubDate><description><![CDATA[查出每个人最大的成绩的课程名称。]]></description><category></category></item><item><title><![CDATA[excel 单元格动态高度]]></title><link>https://blog.youkuaiyun.com/javadeworld/article/details/124151294</link><guid>https://blog.youkuaiyun.com/javadeworld/article/details/124151294</guid><author>javadeworld</author><pubDate>Wed, 13 Apr 2022 16:31:32 +0800</pubDate><description><![CDATA[excel动态高度]]></description><category></category></item><item><title><![CDATA[SpringMVC加上ResponseBody或者RestController能返回String的原理]]></title><link>https://blog.youkuaiyun.com/javadeworld/article/details/88738905</link><guid>https://blog.youkuaiyun.com/javadeworld/article/details/88738905</guid><author>javadeworld</author><pubDate>Fri, 22 Mar 2019 15:26:40 +0800</pubDate><description><![CDATA[1. Controller返回的String作为View的名称
我们发送http://localhost:8080/hello请求到达Controller，Controller返回字符串"/hello"
@RequestMapping("/hello")
public String hello() {
	return "/hello";
}

这个字符串最终会返回到下面方法中的returnValu...]]></description><category></category></item><item><title><![CDATA[Statement和PreparedStatement的理解]]></title><link>https://blog.youkuaiyun.com/javadeworld/article/details/88540194</link><guid>https://blog.youkuaiyun.com/javadeworld/article/details/88540194</guid><author>javadeworld</author><pubDate>Wed, 13 Mar 2019 20:39:24 +0800</pubDate><description><![CDATA[前言
我们用Java操作MySQL数据库的时候大致流程是：

发送SQL语句到MySQL数据库；
数据库进行编译；
数据库执行；

Statement的使用
// 增加多条数据
Connection conn = DriverManager.getConnection(url, user, pwd);
Statement s = conn.createStatement();
for (int i...]]></description><category></category></item></channel></rss>