<% @ page import = "java.sql. *"%>
add message inTo Table </ title> </ head> <body> < % String name = request.getParameter ("name"); string mail = request.getParameter ("mail"); string title = request.getParameter ("Title"); string content = request.getParameter ("content"); if (Name == NULL) Name = ""; if (title == NULL) Title = ""; if (content == NULL) Content = ""; if (mail == null) Mail = ""; if (Name .length () == 0) Out.println ("The name of the message cannot be empty!"); else if (title.length () == 0) Out.println ("message theme can not be empty!"); Else IF (content.length () == 0) Out.println ("message content is not empty!"); else {java.util.date Date = new java.util.date (); string datetime = new timestamp (Date .gettime ()). TOSTRING (); Try {class.forname ("sun.jdbc.odbc.jdbcodbcdriver); string url =" jdbc: odbc: user_db "; connection con = drivermanager.getConnection (URL," Inso " , "Insher"); preparedStatement Stm = Con.PrepareStatement ("Insert Into Message Values (?,?,?,?)"); stm.setstring (1, title); stm.setstring (2, name); IF (mail.length () == 0) stm.setstring (3, null); ELS E stm.setstring (3, mail); stm.setstring (4, datetime); stm.setstring (5, content); try {stm.executeQuery ();} catch (exception e) {}con.close (); } Catch (Exception E) {}%> <jsp: forward page = "view_message.jsp" /> <%}%> </ body> </ html> <! - add_message.jsp - <% @ Page Import = "java.sql. *"%> <html> <head> <title> address message inTo Table <</p>
<p>/ Title> </ head> <body> <% string name = request.getParameter ("name"); string mail = request.getParameter ("mail"); string title = request.getParameter ("Title"); string Content = Request.getParameter ("content"); if (name == null) Name = ""; if (title == null) title = ""; if (content == null) content = "; if (mail = = NULL) MAIL = ""; if (name.length () == 0) Out.println ("The name of the message cannot be empty!"); Else IF (title.length () == 0) Out.println "The message theme can not be empty!"); Else IF () == 0) Out.println ("message content is not empty!"); Else {java.util.date Date = new java.util. Date (); string datetime = new timestamp (Date.getTime ()). TOSTRING (); try {class.forname ("sun.jdbc.odbc.jdbcodbcdriver); string url =" jdbc: odbc: user_db "; connection Con = DriverManager.getConnection (URL, "Inso", "Insher"); preparedStatement Stm = Con.PrepareStatement ("Insert Into Message Values (?,?,?,?,?)"; stm.setstring (1, Title ); stm.setstring (2, name); if (mail.length () == 0) stm.setstring (3, null); else stm.setstring (3, mail); stm.setstring (4, datetime); Stm.setstring (5, content); try {stm.executeQuery ();} catch (exception e) {} con.close ();} catch (exception e) {}%> <jsp: forward page = "view_message.jsp" /> <%}%> </ body> < / html> <! - index.html -> <html> <head> <title> message board </ title> </ head> <body> <table width = "90%" align = "center" border = 1 cellspacing = "0" cellpadding = "0" bordercolordark = "# 88A6DD"</p>
<p>Bordercolorlight = "# 88a6dd"> <tr> <td align = "center" BGColor = "# 8886dd"> Visitor message board </ td> <TR> <TR> <TD> <table align = "center" border = 1 cellspacing = "0" cellpadding = "0" bordercolordark = "# 888a6dd" bordercolorlight = "# 888a6dd"> <form action = "add_message.jsp"> <TD> <TD> Name: </ td> <td bgcolor = "# 88a6dd"> <input type = "text" name = "name" size = 25> <td> </ tr> <tr> <td bgcolor = "# 88a6dd"> e-mail: </ td> < TD BGCOLOR = "# 88a6dd"> <input type = "text" name = "mail" size = 25> <td> <TR> <TD> <TD> topic: </ td> <td bgcolor = "# 88A6DD "> <input type =" name = "title" size = 25> <td> </ tr> <tr> <td value = "top" bgcolor = "# 888a6dd"> message: </ td> <TD> <textarea name = "content" ROWS = 7 COLS = 25> </ TEXTAREA> </ TD> <TD Colspan = 3> <table align = "Width =" 100% "cellspacing =" 0 "cellpadding =" 0 "bordercolordark =" # 88A6DD "bordercolorlight =" # 888a6dd "> <tr> <TD align =" center "bgcolor =" # 88A6dd "> <input type =" submit "value = "Submit Message"> </ TD> <TD Align = "Center"> <a href="view_message.jsp"> <font size = 2> View message </ font> </a> </ td> <td align =</p>
<p>"center" bgcolor = "# 88A6DD"> <input type = "reset" value = "Re-filled"> </ td> </ tr> </ table> </ td> </ tr> </ form> </ Table> </ td> </ tr> </ table> </ body> </ html> <html> <head> <title> message board </ title> </ head> <body> <table width = "60 % "align =" center "border = 1 cellspacing =" 0 "cellpadding =" 0 "bordercolordark =" # 88A6DD "bordercolorlight =" # 88A6DD "> <tr> <TD align =" center "BGColor =" # 888a6dd "> Visitor message board </ TD> </ TD> <Table align = "center" border = 1 cellspacing = "0" cellpadding = "0" bordercolordark = "# 88a6dd" bordercolorlight = "# 888a6dd"> <Form action = "add_message.jsp"> <tr> <td> Name: </ td> <td bgcolor = "# 88a6dd"> <input type = "text" name = "name" size = 25> </ td > </ Tr> <tr> <td bgcolor = "# 88A6DD"> E-mail: </ td> <td bgcolor = "# 888a6dd"> <input type = "text" name = "mail" size = 25> </ TD> <TD> Topic: </ TD> <TD BGColor = "# 88A6DD"> <input type = "text" name = "title" size = 25> </ td> < / TR> <TR> <TD VALIGN = "TOP" BGColor = "# 88A6DD"> Message: </ td> <TD> <textarea name = "content" rows = 7 cols = 25> </ textarea> </ td > </ TR> <TR> <</p>
<p>TD colspan = 3> <table align = "center" width = "100%" cellspacing = "0" cellpadding = "0" bordercolordark = "# 888a6dd" bordercolorlight = "# 88A6DD"> <tr> <td align = "center "BGCOLOR =" # 88A6DD "> <input type =" submit "value =" Submit Message "> </ td> <TD align =" center "> <a href="view_message.jsp"> <font size = 2> View message </ font> </a> </ td> <td align = "center" bgcolor = "# 888a6dd"> <input type = "reset" value = "Re-filing"> </ td> </ tr> </ Table> </ td> </ tr> </ form> </ table> </ td> </ tr> </ table> </ body> </ html> <! - view_message.jsp -> <% @ page import = "java.sql. *"%> <html> <head> <title> show the message in the table </ title> </ head> <body> <p align = "center"> All Visitors Message </ p> <hr> <% try {class.forname ("sun.jdbc.odbc.jdbcodbcodbdriver); string url =" jdbc: odbc: user_db "; connection con = DriverManager.getConnection (URL," Insher "," insher "); statement stm = con.createstatement (); resultset result = stm.executeQuery (" select count (*) from message "; int message_count = 0; if (Result.next ()) {message_count = Result.Getint (1); result.close ();} if (Message_Count> 0) {result = STM. ExecuteQuery ("Select * from message order by time desc"); while (result.next ()) {string title = result.getstring ("title"); string name = result.getstring ("name"); string mail = Result.getstring ("</p>
<p>"); timestamp time = result.gettimestamp (" time "); date date_time = new date (time.gettime ()); time.gettime = new time (Time.getTime ()); string content = result.getstring (" ");%> <table width =" 100% "align =" center "border = 1 cellspacing =" 0 "cellpadding =" 0 "bordercolordark =" # 000000 "Bordercolorlight =" # 888a6dd "> <tr> <TD BGColor = "# 88a6dd"> <font size = 2> topic: </ font> </ td> <TD colspan = 3> <% = title%> </ td> </ tr> <tr> <td bgcolor = "# 88A6DD"> <font size = 2> Messager: </ font> </ td> <TD> <% = Name%> </ TD> <TD BGColor = "# 888a6dd"> <font size = 2> E-mail: </ font> </ td> <td> <% out.println ("<a href = mailto:" "</A>");%> </ td> </ tr> <tr> <td bgcolor = "# 88A6DD"> <font size = 2> Message time: </ font> </ td> <TD colspan = 3> <% out.println ("<font size = 2> " DATE_TIME " TIME_TIME "</ font>");%> <td> </ tr> <tr> <td align = "center> <% out.println (" (" message_count " ) ")");%> </ td> <td colspan = 3> <% = content%> </ td> </ TR> </ table> <% out.println ("<hr>"); message_count-- } result.close (); con.close ();} else {Out.println ("There is currently no message!"); con.close ();}} Catch (Exception E) {OUT.Println (E);}%> <p align = "center"</p>
<p>> <a href="../message/index.html"> I want to leave a message </a> </ p> </ body> </ html> <! - view_message.jsp -> <% @Page Import = "java.sql. *"%> <html> <head> <title> show the message in the table </ title> </ head> <body> <p align = "center"> All visitor message </ p > <hr> <% try {class.Forname ("sun.jdbc.odbc.jdbcodbcdriver"); string url = "jdbc: odbc: user_db"; connection con = drivermanager.getConnection (URL, "Inso", "Inso" ); Statement stm = con.createstatement (); resultset result = stm.executequery ("select count (*) from message"); int message_count = 0; if (Result.Next ()) {Message_count = Result.Getint (1 ); result.close ();} if (message_count> 0) {result = stm.executeQuery ("SELECT * from message order by time dec"); while (result.next ()) {string title = result.getstring "Title"); string name = result.getstring ("name"); string mail = result.getstring ("mail"); timestamp time = result.getTimeStamp ("time"); Date Date_time = new date (Time.gettime ()); Time time_time = new time (time.gettime ()); string content = result.getstring ("content");%> <Table width = "100%" Align = "center" border = 1 cellspacing = "0" cellpadding = "0" bordercolordark = "# 000000" Bordercolorlight = "# 888a6dd"> <tr> <td bgcolor = "# 88a6dd"> <font size = 2> theme : </ Font> </ td> <td colspan = 3> <% = title%> </ td> </ tr> <tr> <td bgcolor = "# 88A6DD"> <font size = 2> Message: <</p></div><div class="text-center mt-3 text-grey">
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