The Ring programming language version 1.6 book - Part 43 of 189

1. Ring Documentation, Release 1.6
stylecolor("black")+stylegradient(58) ])
newline()
text ( "Name : " )
newline() newline()
text ( "Address : " )
newline() newline()
text ( "Phone : " )
newline() newline()
text ( "Age : " )
newline() newline()
text ( "City : " )
newline() newline()
text ( "Country : " )
newline() newline()
text ( "Note : " )
newline() newline()
divend()
divstart([ :style = stylefloatleft()+stylewidth("90%")+
stylecolor("black")+stylegradient(47) ])
divstart([ :style = stylefloatleft() + stylewidth("1%") ])
newline()
divend()
divstart([ :style = stylefloatleft() + stylewidth("95%") ])
newline()
text ( aPageVars["Name"] )
newline() newline()
text ( aPageVars["Address"] )
newline() newline()
text ( aPageVars["Phone"] )
newline() newline()
text ( aPageVars["Age"] )
newline() newline()
text ( aPageVars["City"] )
newline() newline()
text (aPageVars["Country"] )
newline() newline()
text ( aPageVars["Notes"] )
newline() newline()
divend()
divend()
divend()
}
Screen Shot:
48.5. HTTP Get Example 393

2. Ring Documentation, Release 1.6
48.6 HTTP POST Example
The Page User Interface
#!c:ringbinring.exe -cgi
Load "weblib.ring"
Import System.Web
New Page
{
boxstart()
text( "Post Test")
newline()
boxend()
divstart([ :style=StyleFloatLeft()+StyleWidth("100px") ])
newline()
text( "Number1 : " ) newline() newline()
text( "Number2 : " ) newline() newline()
divend()
formpost("ex7.ring")
divstart([ :style = styleFloatLeft()+StyleWidth("200px") ])
newline()
textbox([ :name = "Number1" ]) newline() newline()
textbox([ :name = "Number2" ]) newline() newline()
submit([ :value = "Send" ] )
divend()
formend()
}
Screen Shot:
48.6. HTTP POST Example 394

3. Ring Documentation, Release 1.6
The Response
#!c:ringbinring.exe -cgi
Load "weblib.ring"
Import System.Web
New Page
{
boxstart()
text( "Post Result" )
newline()
boxend()
divstart([ :style = styleFloatLeft()+styleWidth("200px") ])
newline()
text( "Number1 : " + aPageVars["Number1"] )
newline() newline()
text( "Number2 : " + aPageVars["Number2"] )
newline() newline()
text( "Sum : " + (0 + aPageVars["Number1"] + aPageVars["Number2"] ) )
newline()
divend()
}
Screen Shot:
48.6. HTTP POST Example 395

4. Ring Documentation, Release 1.6
48.7 Upload Files
The Page User Interface
#!c:ringbinring.exe -cgi
Load "weblib.ring"
Import System.Web
New page
{
boxstart()
text( "Upload File" )
newline()
boxend()
for x = 1 to 3 newline() next
formupload("ex9.ring")
text( "Customer Name : " )
textbox([ :name = "custname" ])
newline() newline()
divstart([ :style = styleFloatLeft() + styleWidth("90px") ])
uploadfile("file") newline() newline()
uploadfile("file2") newline() newline()
submit([ :value = "Send" ])
divend()
formend()
}
Screen Shot:
48.7. Upload Files 396

5. Ring Documentation, Release 1.6
The Response
#!c:ringbinring.exe -cgi
Load "weblib.ring"
Import System.Web
cUploadPath = "C:/Apache2.2/htdocs/ringapp/upload/"
cUploadFolder = "/ringapp/upload/"
New page
{
boxstart()
text( "Upload Result" )
newline()
boxend()
newline()
divstart([ :style= styleFloatLeft() + styleWidth("100px") ])
text( "Name : " + aPageVars["custname"] )
newline()
divend()
if aPageVars["file"] != char(13)
getuploadedfile(self,"file")
ok
if aPageVars["file2"] != char(13)
getuploadedfile(self,"file2")
ok
}
Func getuploadedfile oObj,cFile
# here we use object.property
# instead of object { } to avoid executing braceend method
cFileName = cUploadPath + oObj.getfilename(aPageVars,cFile)
48.7. Upload Files 397

6. Ring Documentation, Release 1.6
write(cFileName,aPageVars[cFile])
system("chmod a+x "+cFileName)
oObj.newline()
oObj.text( "File "+cFileName+ " Uploaded ..." )
oObj.newline()
imageURL = cUploadFolder+oObj.getfilename(aPageVars,cFile)
oObj.link([ :url = imageURL, :title = "Download" ])
oObj.newline()
oObj.image( [ :url = imageURL , :alt = :image ] )
oObj.newline()
Screen Shot:
48.7. Upload Files 398

7. Ring Documentation, Release 1.6
48.8 Cookies
The Page User Interface
#!c:ringbinring.exe -cgi
Load "weblib.ring"
48.8. Cookies 399

8. Ring Documentation, Release 1.6
Import System.Web
New page
{
boxstart()
text( "Cookie Test" )
newline()
boxend()
newline()
link([ :url = "ex11.ring", :title = "Use Cookies" ])
cookie("custname","Mahmoud Fayed")
cookie("custage",28)
}
Screen Shot:
The Response
#!c:ringbinring.exe -cgi
Load "weblib.ring"
Import System.Web
New Page
{
boxstart()
text( "Cookies Values" )
newline()
boxend()
link([ :url = "ex10.ring", :title = "back" ])
newline()
divstart([:style="float:left;width:200px"])
text( "Name : " + aPageVars["custname"] )
newline()
text( "Age : " + aPageVars["custage"] )
newline()
divend()
}
Screen Shot:
48.8. Cookies 400

9. Ring Documentation, Release 1.6
48.9 URL Encode
The Page User Interface
#!c:ringbinring.exe -cgi
Load "weblib.ring"
Import System.Web
New Page
{
boxstart()
text( "URLEncode" )
newline()
boxend()
link([ :url = "ex5.ring?Name="+URLEncode("-*{Mahmoud}*-")+
"&Address=Egypt&Phone=123456&Age=28&Notes=Programmer",
:title = "Test URL Encode" ])
}
Screen Shot:
Screen Shot:
48.9. URL Encode 401

10. Ring Documentation, Release 1.6
48.10 Templates
Using Templates we can write Ring code inside HTML files
Syntax:
<%= Ring Expression %>
<% Ring Statements %>
The HTML Code
<h1>Listing Numbers</h1>
<table>
<tr>
<th> <%= myheader.cColumn1 %> </th>
<th> <%= myheader.cColumn2 %> </th>
<th></th>
<th></th>
<th></th>
</tr>
<% for x in aNumbers %>
<tr>
<td> <%= x.nValue %> </td>
<td> <%= x.nSquare %> </td>
</tr>
<% next %>
</table>
The Ring Code
#!c:ringbinring.exe -cgi
Load "weblib.ring"
Import System.Web
New NumbersController { start() }
48.10. Templates 402