直接贴代码吧:
首先,index_test.jsp页面的代码如下:
复制代码 代码如下:
<%@ page language="java" pageEncoding="utf-8"%>
<%@ page contentType="text/html;charset=utf-8"%>
<%
request.setCharacterEncoding("UTF-8");
response.setCharacterEncoding("UTF-8");
response.setContentType("text/html;charset=utf-8");
%>
人员操作
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删除人员
关闭
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query_test.jsp页面代码如下:
复制代码 代码如下:
<%@ page language="java" import="java.util.*,java.sql.*" pageEncoding="utf-8"%>
<%@ page contentType="text/html;charset=utf-8"%>
<%
request.setCharacterEncoding("UTF-8");
response.setCharacterEncoding("UTF-8");
response.setContentType("text/html; charset=utf-8");
%>
<%
Connection con=null;
String url="jdbc:mysql://localhost/html_db?user=root&password=123456";
//html_db为数据库名
Class.forName("org.gjt.mm.mysql.Driver").newInstance();//新建实例
Connection conn= DriverManager.getConnection(url);//建立连接
Statement stmt=conn.createStatement(ResultSet.TYPE_SCROLL_SENSITIVE,ResultSet.CONCUR_UPDATABLE);
String sql="select * from person_tb";
ResultSet rs=stmt.executeQuery(sql);
while(rs.next()) {%>
ID:<%=rs.getString("id")%>
姓名:<%=rs.getString("name")%>
性别:<%=rs.getString("sex")%>
年龄:<%=rs.getString("age")%>
<%}%>
<%out.print("恭喜你!数据库操作成功! ");%>
<%
rs.close();
stmt.close();
conn.close();
%>
insert_test.jsp页面代码如下:
复制代码 代码如下:
<%@ page language="java" import="java.util.*,java.sql.*" pageEncoding="utf-8"%>
<%@ page contentType="text/html;charset=utf-8"%>
<%
request.setCharacterEncoding("UTF-8");
response.setCharacterEncoding("UTF-8");
response.setContentType("text/html; charset=utf-8");
%>
往数据库插入数据
<%
String id=request.getParameter("id"); //从表单获得
String name=request.getParameter("name"); //从表单获得
String sex=request.getParameter("sex"); //从表单获得
String age=request.getParameter("age"); //从表单获得
try
{
/** 连接数据库参数 **/
String driverName = "com.mysql.jdbc.Driver"; //驱动名称
String DBUser = "root"; //mysql用户名
String DBPasswd = "123456"; //mysql密码
String DBName = "html_db"; //数据库名
String connUrl = "jdbc:mysql://localhost/" + DBName + "?user=" + DBUser + "&password=" + DBPasswd;
Class.forName(driverName).newInstance();
Connection conn = DriverManager.getConnection(connUrl);
Statement stmt = conn.createStatement();
stmt.executeQuery("SET NAMES UTF8");
String insert_sql = "insert into person_tb values('" + id + "','" + name + "','" + sex + "','" + age + "')";
String query_sql = "select * from person_tb";
try {
stmt.execute(insert_sql);
}catch(Exception e) {
e.printStackTrace();
}
try {
ResultSet rs = stmt.executeQuery(query_sql);
while(rs.next()) {
%>
ID:<%=rs.getString("id")%>
姓名:<%=rs.getString("name")%>
性别:<%=rs.getString("sex")%>
年龄:<%=rs.getString("age")%>
<%
}
}catch(Exception e) {
e.printStackTrace();
}
//rs.close();
stmt.close();
conn.close();
}catch (Exception e) {
e.printStackTrace();
}
%>
首先,index_test.jsp页面的代码如下:
复制代码 代码如下:
<%@ page language="java" pageEncoding="utf-8"%>
<%@ page contentType="text/html;charset=utf-8"%>
<%
request.setCharacterEncoding("UTF-8");
response.setCharacterEncoding("UTF-8");
response.setContentType("text/html;charset=utf-8");
%>
<>
<>
删除人员
关闭
<>
<>
<>
query_test.jsp页面代码如下:
复制代码 代码如下:
<%@ page language="java" import="java.util.*,java.sql.*" pageEncoding="utf-8"%>
<%@ page contentType="text/html;charset=utf-8"%>
<%
request.setCharacterEncoding("UTF-8");
response.setCharacterEncoding("UTF-8");
response.setContentType("text/html; charset=utf-8");
%>
<%
Connection con=null;
String url="jdbc:mysql://localhost/html_db?user=root&password=123456";
//html_db为数据库名
Class.forName("org.gjt.mm.mysql.Driver").newInstance();//新建实例
Connection conn= DriverManager.getConnection(url);//建立连接
Statement stmt=conn.createStatement(ResultSet.TYPE_SCROLL_SENSITIVE,ResultSet.CONCUR_UPDATABLE);
String sql="select * from person_tb";
ResultSet rs=stmt.executeQuery(sql);
while(rs.next()) {%>
ID:<%=rs.getString("id")%>
姓名:<%=rs.getString("name")%>
性别:<%=rs.getString("sex")%>
年龄:<%=rs.getString("age")%>
<%}%>
<%out.print("恭喜你!数据库操作成功! ");%>
<%
rs.close();
stmt.close();
conn.close();
%>
insert_test.jsp页面代码如下:
复制代码 代码如下:
<%@ page language="java" import="java.util.*,java.sql.*" pageEncoding="utf-8"%>
<%@ page contentType="text/html;charset=utf-8"%>
<%
request.setCharacterEncoding("UTF-8");
response.setCharacterEncoding("UTF-8");
response.setContentType("text/html; charset=utf-8");
%>
<%
String id=request.getParameter("id"); //从表单获得
String name=request.getParameter("name"); //从表单获得
String sex=request.getParameter("sex"); //从表单获得
String age=request.getParameter("age"); //从表单获得
try
{
/** 连接数据库参数 **/
String driverName = "com.mysql.jdbc.Driver"; //驱动名称
String DBUser = "root"; //mysql用户名
String DBPasswd = "123456"; //mysql密码
String DBName = "html_db"; //数据库名
String connUrl = "jdbc:mysql://localhost/" + DBName + "?user=" + DBUser + "&password=" + DBPasswd;
Class.forName(driverName).newInstance();
Connection conn = DriverManager.getConnection(connUrl);
Statement stmt = conn.createStatement();
stmt.executeQuery("SET NAMES UTF8");
String insert_sql = "insert into person_tb values('" + id + "','" + name + "','" + sex + "','" + age + "')";
String query_sql = "select * from person_tb";
try {
stmt.execute(insert_sql);
}catch(Exception e) {
e.printStackTrace();
}
try {
ResultSet rs = stmt.executeQuery(query_sql);
while(rs.next()) {
%>
ID:<%=rs.getString("id")%>
姓名:<%=rs.getString("name")%>
性别:<%=rs.getString("sex")%>
年龄:<%=rs.getString("age")%>
<%
}
}catch(Exception e) {
e.printStackTrace();
}
//rs.close();
stmt.close();
conn.close();
}catch (Exception e) {
e.printStackTrace();
}
%>