Insert JSP form into MySQL
I tried this code but it got this error.
org.apache.jasper.JasperException: Exception in JSP: /tutorials/insert_test.jsp:143
140: Driver DriverInsert = (Driver)Class.forName(MM_db_DRIVER).newInstance();
141: Connection ConnInsert = DriverManager.getConnection(MM_db_STRING,MM_db_USERNAME,MM_db_PASSWORD);
142: PreparedStatement Insert = ConnInsert.prepareStatement("INSERT INTO novoim.chat (words) VALUES ('text') ");
143: Insert.executeUpdate();
144: %><!DOCTYPE html PUBLIC "-//WAPFORUM//DTD XHTML Mobile 1.0//EN" "http://www.wapforum.org/DTD/xhtml-mobile10.dtd">
145: <html xmlns="http://www.w3.org/1999/xhtml">
146: <head>
<%@ page contentType="text/html; charset=utf-8" language="java" import="java.sql.*" errorPage="" %>
<%@ include file="Connections/db.jsp" %>
<%
// *** Edit Operations: declare variables
// set the form action variable
String MM_editAction = request.getRequestURI();
if (request.getQueryString() != null && request.getQueryString().length() > 0) {
String queryString = request.getQueryString();
String tempStr = "";
for (int i=0; i < queryString.length(); i++) {
if (queryString.charAt(i) == '<') tempStr = tempStr + "<";
else if (queryString.charAt(i) == '>') tempStr = tempStr + ">";
else if (queryString.charAt(i) == '"') tempStr = tempStr + """;
else tempStr = tempStr + queryString.charAt(i);
}
MM_editAction += "?" + tempStr;
}
// connection information
String MM_editDriver = null, MM_editConnection = null, MM_editUserName = null, MM_editPassword = null;
// redirect information
String MM_editRedirectUrl = null;
// query string to execute
StringBuffer MM_editQuery = null;
// boolean to abort record edit
boolean MM_abortEdit = false;
// table information
String MM_editTable = null, MM_editColumn = null, MM_recordId = null;
// form field information
String[] MM_fields = null, MM_columns = null;
%>
<%
// *** Insert Record: set variables
if (request.getParameter("MM_insert") != null && request.getParameter("MM_insert").toString().equals("form1")) {
MM_editDriver= MM_db_DRIVER;
MM_editConnection = MM_db_STRING;
MM_editUserName= MM_db_USERNAME;
MM_editPassword= MM_db_PASSWORD;
MM_editTable = "novoim.chat";
MM_editRedirectUrl = "";
String MM_fieldsStr = "text|value";
String MM_columnsStr = "words|',none,''";
// create the MM_fields and MM_columns arrays
java.util.StringTokenizer tokens = new java.util.StringTokenizer(MM_fieldsStr,"|");
MM_fields = new String[tokens.countTokens()];
for (int i=0; tokens.hasMoreTokens(); i++) MM_fields = tokens.nextToken();
tokens = new java.util.StringTokenizer(MM_columnsStr,"|");
MM_columns = new String[tokens.countTokens()];
for (int i=0; tokens.hasMoreTokens(); i++) MM_columns = tokens.nextToken();
// set the form values
for (int i=0; i+1 < MM_fields.length; i+=2) {
MM_fields[i+1] = ((request.getParameter(MM_fields)!=null)?(String)request.getParameter(MM_fields):"");
}
// append the query string to the redirect URL
if (MM_editRedirectUrl.length() != 0 && request.getQueryString() != null) {
MM_editRedirectUrl += ((MM_editRedirectUrl.indexOf('?') == -1)?"?":"&") + request.getQueryString();
}
}
%>
<%
// *** Insert Record: construct a sql insert statement and execute it
if (request.getParameter("MM_insert") != null) {
// create the insert sql statement
StringBuffer MM_tableValues = new StringBuffer(), MM_dbValues = new StringBuffer();
String[] MM_dbValues_prep = new String[MM_fields.length/2];
for (int i=0; i+1 < MM_fields.length; i+=2) {
String formVal = MM_fields[i+1];
String elem;
java.util.StringTokenizer tokens = new java.util.StringTokenizer(MM_columns[i+1],",");
elem = (String)tokens.nextToken(); // consume the delim
String altVal= ((elem = (String)tokens.nextToken()) != null && elem.compareTo("none")!=0)?elem:"";
String emptyVal = ((elem = (String)tokens.nextToken()) != null && elem.compareTo("none")!=0)?elem:"";
if (formVal.length() == 0) {
if(emptyVal.equals("NULL")) {
formVal = null;
} else if(emptyVal.charAt(0) == '\'') {
formVal = emptyVal.substring(1, emptyVal.length()-1);
} else {
formVal = emptyVal;
}
} else if (altVal.length() != 0) {
if(altVal.charAt(0) == '\'') {
formVal = altVal.substring(1, altVal.length()-1);
} else {
formVal = altVal;
}
}
MM_dbValues_prep[i/2] = formVal;
MM_tableValues.append((i!=0)?",":"").append(MM_columns);
MM_dbValues.append((i!=0)?",":"").append('?');
}
MM_editQuery = new StringBuffer("insert into " + MM_editTable);
MM_editQuery.append(" (").append(MM_tableValues.toString()).append(") values (");
MM_editQuery.append(MM_dbValues.toString()).append(")");
if (!MM_abortEdit) {
// finish the sql and execute it
Driver MM_driver = (Driver)Class.forName(MM_editDriver).newInstance();
Connection MM_connection = DriverManager.getConnection(MM_editConnection,MM_editUserName,MM_editPassword);
PreparedStatement MM_editStatement = MM_connection.prepareStatement(MM_editQuery.toString());
for(int i=0; i<MM_dbValues_prep.length; i++) {
MM_editStatement.setObject(i+1, MM_dbValues_prep);
}
MM_editStatement.executeUpdate();
MM_connection.close();
// redirect with URL parameters
if (MM_editRedirectUrl.length() != 0) {
response.sendRedirect(response.encodeRedirectURL(MM_editRedirectUrl));
return;
}
}
}
%>
<%
Driver Drivertest2 = (Driver)Class.forName(MM_db_DRIVER).newInstance();
Connection Conntest2 = DriverManager.getConnection(MM_db_STRING,MM_db_USERNAME,MM_db_PASSWORD);
PreparedStatement Statementtest2 = Conntest2.prepareStatement("SELECT * FROM novoim.chat");
ResultSet test2 = Statementtest2.executeQuery();
boolean test2_isEmpty = !test2.next();
boolean test2_hasData = !test2_isEmpty;
Object test2_data;
int test2_numRows = 0;
%>
<%
Driver DriverInsert = (Driver)Class.forName(MM_db_DRIVER).newInstance();
Connection ConnInsert = DriverManager.getConnection(MM_db_STRING,MM_db_USERNAME,MM_db_PASSWORD);
PreparedStatement Insert = ConnInsert.prepareStatement("INSERT INTO novoim.chat (words) VALUES ('text') ");
Insert.executeUpdate();
%><!DOCTYPE html PUBLIC "-//WAPFORUM//DTD XHTML Mobile 1.0//EN" "http://www.wapforum.org/DTD/xhtml-mobile10.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
<title>Untitled Document</title>
</head>
<body>
<form name="form1" id="form1" method="POST" action="<%=MM_editAction%>">
<label>
<input name="text" type="text" id="text" size="110" maxlength="500" />
</label>
<label>
<input type="submit" name="send" id="send" value="send" />
</label>
<input type="hidden" name="MM_insert" value="form1" />
</form>
</body>
</html>
<%
test2.close();
Statementtest2.close();
Conntest2.close();
%>
<%
ConnInsert.close();
%>
