时分秒控件

 1 <!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN"
 2 "http://www.w3.org/TR/html4/loose.dtd">
 3 <html>
 4 <head>
 5 <meta http-equiv="Content-Type" content="text/html; charset=gb2312">
 6 <title>时分秒</title>
 7 </head>
 8 <script language="javascript">
 9 var str = "";
10 document.writeln("<div id="_contents" style="padding:6px; background-color:#E3E3E3; font-size: 12px; border: 1px solid #777777; position:absolute; left:?px; top:?px; ?px; height:?px; z-index:1; visibility:hidden">");
11 str += "u65f6<select id="_hour">";
12 for (h = 0; h <= 9; h++) {
13     str += "<option value="0" + h + "">0" + h + "</option>";
14 }
15 for (h = 10; h <= 23; h++) {
16     str += "<option value="" + h + "">" + h + "</option>";
17 }
18 str += "</select> u5206<select id="_minute">";
19 for (m = 0; m <= 9; m++) {
20     str += "<option value="0" + m + "">0" + m + "</option>";
21 }
22 for (m = 10; m <= 59; m++) {
23     str += "<option value="" + m + "">" + m + "</option>";
24 }
25 str += "</select> u79d2<select id="_second">";
26 for (s = 0; s <= 9; s++) {
27     str += "<option value="0" + s + "">0" + s + "</option>";
28 }
29 for (s = 10; s <= 59; s++) {
30     str += "<option value="" + s + "">" + s + "</option>";
31 }
32 str += "</select> <input name="queding" type="button" onclick="_select()" value="u786eu5b9a" style="font-size:12px" /></div>";
33 document.writeln(str);
34 var _fieldname;
35 function _SetTime(tt) {
36     _fieldname = tt;
37     var ttop = tt.offsetTop;    //TT控件的定位点高
38     var thei = tt.clientHeight;    //TT控件本身的高
39     var tleft = tt.offsetLeft;    //TT控件的定位点宽
40     while (tt = tt.offsetParent) {
41         ttop += tt.offsetTop;
42         tleft += tt.offsetLeft;
43     }
44     document.getElementById("_contents").style.top = ttop + thei + 4;
45     document.getElementById("_contents").style.left = tleft;
46     document.getElementById("_contents").style.visibility = "visible";
47 }
48 function _select() {
49     _fieldname.value = document.getElementById("_hour").value + ":" + document.getElementById("_minute").value + ":" + document.getElementById("_second").value;
50     document.getElementById("_contents").style.visibility = "hidden";
51 }
52 
53 </script>
54 <body>
55 
56 <input name="time" type="text"   onclick="_SetTime(this)"/>
57 
58 </body>
59 </html>
原文地址:https://www.cnblogs.com/huanglibin/p/3571013.html