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📄 action.jsp

📁 JDBC连接172.16.23.6的Northwind数据库;实现查询与更新
💻 JSP
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<%@ page contentType="text/html;charset=gb2312"%>   
<%@ page import="java.sql.*"%> 

<HTML>

 

 <HEAD>

 <TITLE>查询数据</TITLE>

 </HEAD>

 <BODY>
 
 
 
 <%	String  action,sql;
        action = request.getParameter("actionAction");
        sql=action;
%>



 
<center>
 
	      <%
     try{ 

	      //连接数据库
	      //创建驱动 
	      String url="jdbc:microsoft:sqlserver://Lover:1433;DatabaseName=Northwind";
		String UID="sa";
		String pwd="fushichang";
		
		Class.forName("com.microsoft.jdbc.sqlserver.SQLServerDriver").newInstance();
	out.println("<Font size=4 color=red><b>驱动已创建....</br></b></Font><Font size=4 color=blue><b>Class.forName(\"com.microsoft.jdbc.sqlserver.SQLServerDriver\").newInstance();</br></b></Font>");
		//创建连接 
		 Connection conn=DriverManager.getConnection(url,UID,pwd);
	out.println("<Font size=4 color=red><b>数据库已连接....</br></b></Font><Font size=4 color=blue><b>Connection conn=DriverManager.getConnection(\""+url+"\","+UID+","+pwd+");<br></b></Font>");
		//创建语句执行
		Statement stmt=conn.createStatement(ResultSet.TYPE_SCROLL_SENSITIVE,ResultSet.CONCUR_UPDATABLE);
	out.println("<Font size=4 color=red><b>语句执行已创建....</br></b></Font><Font size=4 color=blue><b>Statement stmt=conn.createStatement(ResultSet.TYPE_SCROLL_SENSITIVE,ResultSet.CONCUR_UPDATABLE);</br></b></Font>");
		//创建结果集 
try
{
		stmt.executeUpdate(sql); 
} catch(Exception ex){out.println(ex.toString()+"<br>");}
	out.println("<Font size=4 color=red><b>执行语句创建结果集....<br></b></Font><Font size=4 color=blue><b>stmt.executeUpdate(\""+sql+"\")</br></b></Font><Font size=4 color=red><b>执行完成!<br></b></Font>");
	      
   
			  stmt.close();   
			  conn.close();
	out.println("<Font size=4 color=red><b>各个对象已全部关闭。<br></b></Font>");
			    

}catch(Exception ex){out.println(ex.toString());} 


%>
  <FORM method="POST" action="./select.jsp" name="selectForm">

       <P><Font size=5><b>请输入SQL查询语句</b></Font> 
       <P>语句 :<INPUT type="text" name="actionSelect" value=Select size="35">
       <P>查询列:<INPUT type="text" name="columnsSelect" value=* size="35">
       <P>查询表:<INPUT type="text" name="tablesSelect" value=Customers size="35">
       <P>条件 :<INPUT type="text" name="conditionsSelect" value="Where CompanyName!='NULL'" size="35">
 
       <P><INPUT type="submit" value="提交" name="btnSubmit"> 

         <INPUT type="reset" value="重写" name="btnClear">
	 
  
  </FORM>
  
  <FORM method="POST" action="./action.jsp" name="ActionForm">

       <P><Font size=5><b>请输入SQL更新语句</b></Font> 
       <P >  <textArea name="actionAction" cols="50" rows="8">Insert Into Customers(CustomerID,CompanyName) Values('FU','FUSHICHANG')</textArea>
       <P><INPUT type="submit" value="提交" name="btnSubmitAction"> 

         <INPUT type="reset" value="重写" name="btnClearAction">  
         
  </FORM> 

  

 
</center>
   </BODY>  

 

 </HTML>  




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