孔的博客

【代码】beetl 引擎布局。

这里使用QueryRunner查询 @Override public List<User> allUser() throws SQLException { String sql ="select * from `user`"; List<User> query = Qr.qr().query(sql, new BeanListHandler<User>(User.class)); System.out.print

${表达式}${requestScope}${sessionScope}${pageContext}${applicationScope}<% String str = "Hello"; request.setAttribute(str, str);%>${Hello}<% int[] arr = {1, 2, 3, 4, 5};%><%-- ${数组名[索引]}--%>${arr[1]}${arr[3]}<%

jsp 也是servlet ，就是拼接HTML的servletpublic final class _01_jsp extends org.apache.jasper.runtime.HttpJspBase implements org.apache.jasper.runtime.JspSourceDependent, org.apache.jasper.runtime.JspSourceImports继承了HttpServletjava.lang.Obje

简单实例JSP 连接MySQL实现增删改查，注册登录。**1，运行环境MySQL5.5，Tomacat7，JDBC驱动，Eclipse Luna-SR2 **2，环境配置下载Java 专用的连接MySQL的驱动包mysql-connector-java-5.1.47-bin.jar。MySQL官网可以下载，下载地址https://dev.mysql.com/downloads/connec...