54 lines
1.6 KiB
Standard ML
54 lines
1.6 KiB
Standard ML
#!/usr/bin/env fun
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/*
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* This file is part of the Fun programming language.
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* https://fun-lang.xyz/
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*
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* Copyright 2026 Johannes Findeisen
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* Licensed under the terms of the Apache-2.0 license.
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* https://opensource.org/license/apache-2-0
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*
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* Added: 2026-03-25
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*/
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#include <net/cgi.fun>
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cgi = CGI()
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cgi.content_type("text/html; charset=utf-8")
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pmap = cgi.params()
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// Build HTML with a form at the top to submit POST data back to this script
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html = "<html><body>"
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html = html + "<h1>Submit data</h1>"
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html = html + "<form method=\"POST\" action=\"\">"
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html = html + "<label>A: <input type=\"text\" name=\"a\" value=\"1\"></label><br>"
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html = html + "<label>B: <input type=\"text\" name=\"b\" value=\"2\"></label><br>"
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html = html + "<label>C: <input type=\"text\" name=\"c\" value=\"3\"></label><br>"
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html = html + "<button type=\"submit\">Submit</button>"
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html = html + "</form>"
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html = html + "<h1>POST fields</h1><ul>"
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// Always show fields a, b, and c (print names even if no value was submitted)
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names = ["a", "b", "c"]
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i_name = 0
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n_names = len(names)
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while (i_name < n_names)
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k = names[i_name]
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vals = cgi.param_all(k)
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i = 0
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n = len(vals)
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joined = ""
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while (i < n)
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if (i > 0) joined = joined + ", "
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joined = joined + cgi.escape_html(vals[i])
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i = i + 1
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html = html + "<li><b>" + cgi.escape_html(k) + "</b>: " + joined + "</li>"
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i_name = i_name + 1
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html = html + "</ul></body></html>"
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cgi.send(html)
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/* Possible output (POST with body: "a=1&b=2&c=3"):
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Status: 200 OK
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Content-Type: text/html; charset=utf-8
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<html><body><h1>POST fields</h1><ul><li><b>a</b>: 1</li><li><b>b</b>: b, 2</li><li><b>c</b>: 3</li></ul></body></html>
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*/
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