📄 zccheck_jsp.java
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package org.apache.jsp;
import javax.servlet.*;
import javax.servlet.http.*;
import javax.servlet.jsp.*;
import java.sql.*;
public final class zccheck_jsp extends org.apache.jasper.runtime.HttpJspBase
implements org.apache.jasper.runtime.JspSourceDependent {
private static java.util.Vector _jspx_dependants;
public java.util.List getDependants() {
return _jspx_dependants;
}
public void _jspService(HttpServletRequest request, HttpServletResponse response)
throws java.io.IOException, ServletException {
JspFactory _jspxFactory = null;
PageContext pageContext = null;
HttpSession session = null;
ServletContext application = null;
ServletConfig config = null;
JspWriter out = null;
Object page = this;
JspWriter _jspx_out = null;
PageContext _jspx_page_context = null;
try {
_jspxFactory = JspFactory.getDefaultFactory();
response.setContentType("text/html; charset=GBK");
pageContext = _jspxFactory.getPageContext(this, request, response,
null, true, 8192, true);
_jspx_page_context = pageContext;
application = pageContext.getServletContext();
config = pageContext.getServletConfig();
session = pageContext.getSession();
out = pageContext.getOut();
_jspx_out = out;
out.write('\n');
request.setCharacterEncoding("gb2312");
out.write("\n");
out.write("<link href=\"2.css\" rel=\"stylesheet\" type=\"text/css\" />\n");
out.write("<HTML><BODY><center>\n");
out.write("<div id=\"container\">\n");
out.write("<div id=\"Header\"></div> \n");
out.write("<html><body>\n");
String getname = request.getParameter("name");
out.write('\n');
Statement stmt=null; PreparedStatement pstmt=null;String str = "select * from adm where name='"+getname+"'"; //加载JDBC-ODBC桥驱动 try { Class.forName("sun.jdbc.odbc.JdbcOdbcDriver"); //定义JDBC URL }catch (Exception e) { out.println(e.getMessage()); } try{ System.out.print("SQL:" + str); String url = "jdbc:odbc:s"; //得到与数据库的连接 Connection con = DriverManager.getConnection(url); stmt = con.createStatement(); ResultSet g = stmt.executeQuery(str);if(g.next()) { out.print("<script>type='text/JavaScript'>alert('对不起，该帐号已注册');</script>"); }else out.print("<script>type='text/JavaScript'>alert('恭喜，该帐号可以注册');</script>"); } catch (Exception e) {} //加载JDBC-ODBC桥驱动
out.write("\n");
out.write("<FORM Action=\"zccheck.jsp\" method=\"POST\" name=\"myform\">\n");
out.write("请输入帐号<input type=\"text\" name=\"name\" style=\"height:18px;width:100px\"> \n");
out.write("<br><br><br><br><br><input type=submit name=\"submit\" value=\"查看帐号是否可用\" >\n");
out.write("<input type=\"button\" name = \"a\" value = \"返回\" onclick = \"javacscript:history.back()\">\n");
out.write("</FORM></center>\n");
out.write("</HTML></BODY>\n");
} catch (Throwable t) {
if (!(t instanceof SkipPageException)){
out = _jspx_out;
if (out != null && out.getBufferSize() != 0)
out.clearBuffer();
if (_jspx_page_context != null) _jspx_page_context.handlePageException(t);
}
} finally {
if (_jspxFactory != null) _jspxFactory.releasePageContext(_jspx_page_context);
}
}
}
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