MySQL------如何安装mysql-connector-java-5.1.38.zip

下载地址：http://dev.mysql.com/downloads/connector/j/

安装mysql-connector-java-5.1.38.zip：
1.解压文件-》把里面的mysql-connector-java-5.1.38-bin.jar文件复制到-》E:\Tomcat\lib
2.右键Web工程-》properties-》Libraries-》Add External JARs-》mysql-connector-java-5.1.38-bin.jar添加进来-》finish

 

检查安装是否成功：

<%@ page language="java" import="java.util.*" pageEncoding="UTF-8"%>
<%
    String path = request.getContextPath();
    String basePath = request.getScheme() + "://"
            + request.getServerName() + ":" + request.getServerPort()
            + path + "/";
%>
<%@ page import="java.sql.*" %>
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">
<html>
<head>
<base href="<%=basePath%>">
<title>My JSP 'testconnection.jsp' starting page</title>
</head>

<body>
    <%
        //student为数据库名字，加上useSSL=true不然报错
        String url="jdbc:mysql://localhost:3306/student?useSSL=true";
        String useName="root";
        String password="2277092";
        Connection conn=null;
        try{
            Class.forName("com.mysql.jdbc.Driver");
        }
        catch(ClassNotFoundException e){
            out.print("加载驱动器类出现异常");
        }
        try{
            conn=null;
            conn=DriverManager.getConnection(url,useName,password);
        }
        catch(SQLException e){
            out.print("连接数据库的过程中出现SQL异常");
        }
        if(conn==null){
            out.print("连接数据库失败");
        }
        else{
            out.print("连接数据库成功");
        }
        try{
            conn.close();
        }
        catch(SQLException e){
            out.print("关闭数据库连接时出现SQL异常");
        }
        
     %>
</body>
</html>

 

posted @ 2016-03-24 17:28  玉天恒  阅读(16991)  评论(0)  编辑  收藏  举报