📄 add_jsp.java
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package org.apache.jsp;
import javax.servlet.*;
import javax.servlet.http.*;
import javax.servlet.jsp.*;
import java.sql.*;
import java.security.*;
import java.math.*;
public final class add_jsp extends org.apache.jasper.runtime.HttpJspBase
implements org.apache.jasper.runtime.JspSourceDependent {
private static final JspFactory _jspxFactory = JspFactory.getDefaultFactory();
private static java.util.List _jspx_dependants;
static {
_jspx_dependants = new java.util.ArrayList(1);
_jspx_dependants.add("/conn.jsp");
}
private javax.el.ExpressionFactory _el_expressionfactory;
private org.apache.AnnotationProcessor _jsp_annotationprocessor;
public Object getDependants() {
return _jspx_dependants;
}
public void _jspInit() {
_el_expressionfactory = _jspxFactory.getJspApplicationContext(getServletConfig().getServletContext()).getExpressionFactory();
_jsp_annotationprocessor = (org.apache.AnnotationProcessor) getServletConfig().getServletContext().getAttribute(org.apache.AnnotationProcessor.class.getName());
}
public void _jspDestroy() {
}
public void _jspService(HttpServletRequest request, HttpServletResponse response)
throws java.io.IOException, ServletException {
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 {
response.setContentType("text/html; charset=gb2312");
pageContext = _jspxFactory.getPageContext(this, request, response,
"", true, 8192, true);
_jspx_page_context = pageContext;
application = pageContext.getServletContext();
config = pageContext.getServletConfig();
session = pageContext.getSession();
out = pageContext.getOut();
_jspx_out = out;
out.write("\r\n");
out.write("\r\n");
out.write("\r\n");
java.sql.Connection conn;
java.sql.Statement stmt;
java.sql.ResultSet rs;
Class.forName("com.microsoft.jdbc.sqlserver.SQLServerDriver").newInstance();
String url="jdbc:microsoft:sqlserver://127.0.0.1:1433;DatabaseName=modules";
String user="sa";
String password="123";
conn=DriverManager.getConnection(url,user,password);
stmt=conn.createStatement(ResultSet.TYPE_SCROLL_SENSITIVE,ResultSet.CONCUR_UPDATABLE);
out.write('\r');
out.write('\n');
out.write('\r');
out.write('\n');
String act=request.getParameter("act");
if("login".equals(act)){
String username=request.getParameter("username");
String userpwd=request.getParameter("userpwd");
rs=stmt.executeQuery("select id,userpwd from guestbook_user where username='"+username+"'");
if(rs.next()){
MessageDigest md=MessageDigest.getInstance("MD5");
//计算md5函数
md.update((username+userpwd).getBytes());
//digest()最后确定返回md5 hash值，返回值为8为字符串。因为md5 hash值是16位的hex值，实际上就是8位的字符
//BigInteger函数则将8位的字符串转换成16位hex值，用字符串来表示；得到字符串形式的hash值
userpwd = new BigInteger(1,md.digest()).toString(16);
if(userpwd.equals(rs.getString("userpwd")))
session.setAttribute("userid",rs.getString("id"));
else
out.print("<script language='JavaScript'>alert('用户密码错误!');</script>");
}
else
out.print("<script language='JavaScript'>alert('用户名不存在!');</script>");
}
String condition="select * from system";
rs=stmt.executeQuery(condition);
rs.next();
out.write("\r\n");
out.write("\r\n");
out.write("<html>\r\n");
out.write("<style type=\"text/css\">\r\n");
out.write("<!--\r\n");
out.write("@import url(\"style.css\");\r\n");
out.write(".style2 {font-size: 9pt}\r\n");
out.write("-->\r\n");
out.write("</style>\r\n");
out.write("\r\n");
out.write("</head>\r\n");
out.write("<script language=\"JavaScript\">\r\n");
out.write("<!--\r\n");
out.write("function check()\r\n");
out.write("{\r\n");
out.write(" if( form.name.value==\"\" )\r\n");
out.write(" {\r\n");
out.write(" alert(\"\\请输入您的名字！！\")\r\n");
out.write(" form.name.focus();\r\n");
out.write(" return false;\r\n");
out.write(" }\r\n");
out.write(" if( form.name.value.length>12 )\r\n");
out.write(" {\r\n");
out.write(" alert(\"\\请输入小于12个字符的中文或英文名字!!\")\r\n");
out.write(" form.name.focus();\r\n");
out.write(" return false;\r\n");
out.write(" }\r\n");
out.write("if( form.qq.value!=\"\" )\r\n");
out.write("{\r\n");
out.write(" if( isNumberString(form.qq.value,\"1234567890\")!=1 )\r\n");
out.write("\t{\r\n");
out.write(" alert(\"\\请输入正确的QQ号!!\")\r\n");
out.write("\t\tform.qq.focus();\r\n");
out.write(" return false;\r\n");
out.write(" }\r\n");
out.write("}\r\n");
out.write("if( form.email.value!=\"\" )\r\n");
out.write("{\r\n");
out.write("\tif ( fIsNumber(form.email.value,\"1234567890abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ._-@\")!=1 )\r\n");
out.write("\t{\r\n");
out.write("\t\talert(\"\\您使用了非e-mail地址用符的内容！！\");\r\n");
out.write("\t\tform.email.focus();\r\n");
out.write("\t\treturn false;\t\t\r\n");
out.write("\t}\r\n");
out.write("}\r\n");
out.write(" if( form.http.value.length>150 )\r\n");
out.write(" {\r\n");
out.write(" alert(\"\\您的个人主页的地址太长了！！\")\r\n");
out.write(" form.http.focus();\r\n");
out.write(" return false;\r\n");
out.write(" }\r\n");
out.write("\r\n");
out.write("if( form.content.value==\"\")\r\n");
out.write("\t {\r\n");
out.write(" alert(\"\\请输入您所添加内容！！\")\r\n");
out.write(" form.content.focus();\r\n");
out.write(" return false;\r\n");
out.write(" }\r\n");
out.write("else\r\n");
out.write("{\r\n");
out.write(" if( form.content.value.length>500 )\r\n");
out.write(" {\r\n");
out.write(" alert(\"\\您所添加内容太常了，应在500字符以内！！\")\r\n");
out.write(" form.content.focus();\r\n");
out.write(" return false;\r\n");
out.write(" }\r\n");
out.write("}\r\n");
out.write("return true;\r\n");
out.write("}\r\n");
out.write("\r\n");
out.write("function check2(){\r\n");
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