WEB开发网
开发学院网页设计JavaScript Javascript实现的自动验证函数 阅读

Javascript实现的自动验证函数

 2007-04-06 19:56:26 来源:WEB开发网   
核心提示:test.htm 1<!-- #include file="message.inc" --> 2<HTML> 3<HEAD> 4<TITLE> New Document </TITLE> 5 <meta http-equiv=&qu

test.htm
 1<!-- #include file="message.inc" -->
 2<HTML>
 3<HEAD>
 4<TITLE> New Document </TITLE>
 5   <meta http-equiv="content-type" content="text/html; charset=shift_jis" />
 6   <meta http-equiv="PRagma" content="no-cache">
 7   <meta http-equiv="cache-control" content="no-cache">
 8   <meta http-equiv="expires" content="0">
 9<script src="common.js"></script>
10<script src="validate.js"></script>
11
12</HEAD>
13
14<BODY>
15<FORM METHOD=POST ACTION="">
16ID<INPUT TYPE="text" id="txtInt" NAME="txtInt" maxlength="6" feildtype="integer" msg=",<%=IMSG0002%>" ><br>
17ID<INPUT TYPE="text" id="txtInt" NAME="txtInt" maxlength="6" feildtype="integer" msg=",<%=IMSG0002%>" ><br>
18ID<INPUT TYPE="text" id="txtInt" NAME="txtInt" maxlength="6" feildtype="integer" msg=",<%=IMSG0002%>" ><br>
19ID<INPUT TYPE="text" id="txtInt" NAME="txtInt" maxlength="6" feildtype="integer" msg=",<%=IMSG0002%>" ><br>
20
21名称<INPUT TYPE="text" id="txtString" NAME="txtString" maxlength="5" feildtype="string" msg="<%=IMSG0003%>,<%=IMSG0004%>" mustitem="true"><br>
22名称<INPUT TYPE="text" id="txtString" NAME="txtString" maxlength="5" feildtype="string" msg="<%=IMSG0003%>,<%=IMSG0004%>" mustitem="true"><br>
23名称<INPUT TYPE="text" id="txtString" NAME="txtString" maxlength="5" feildtype="string" msg="<%=IMSG0003%>,<%=IMSG0004%>" mustitem="true"><br>
24
25名称2<INPUT TYPE="text" id="txtStr" NAME="txtStr" maxlength="5" feildtype="string" msg="<%=IMSG0003%>,<%=IMSG0004%>" mustitem="true"><br>
26<INPUT TYPE="button" value="submit" >
27<SCRIPT LANGUAGE="javaScript">
28<!--
29//validate()
30//-->
31</SCRIPT>
32</FORM>
33</BODY>
34</HTML>
35
validate.js
 1function validate(){
 2
 3   //var objs = document.all;
 4   //var Elements = document.getElementsByTagName("*");
 5   var Elements;
 6   var ctlArray;
 7   var ctlArrayName;
 8   var i, j;
 9   var elLen, arrLen;
10   var msgs;
11
12   Elements = document.getElementsByTagName("input");
13   arrName ="";
14
15   for ( i in Elements ) {
16   elLen = Elements[i].length;
17
18     if (elLen > 1) {
19       ctlArray = Elements[i];
20       arrLen = ctlArray.length;
21
22       if (arrName != ctlArray[0].name) {
23         arrName = ctlArray[0].name;
24
25         for (j=0; j < arrLen; j++) {
26           if (checkValue(ctlArray[j]) == false) {
27             return false;
28           }
29         }
30
31       }
32
33     }else{
34
35       if (checkValue(Elements[i]) == false) {
36         return false;
37       }
38     }
39   }
40
41   return true;
42}
43
44function checkValue (obj){
45
46   var len;
47   len = obj.maxLength;
48
49   if ( obj.type == "text" ) {
50
51     //if (obj.msg != undefined ) {
52     if ( obj.msg ) {
53       msgs = obj.msg.split(",");
54     } else {
55       return true;
56     }
57
58     if ( trim(obj.value) == "" && obj.mustitem && obj.mustitem == "true") {
59       alert(msgs[0]);
60       getFocusSelect(obj);
61       return false;
62     }else {
63
64       if ( trim(obj.value) != ""&& obj.feildtype && obj.feildtype == "integer" ) {
65
66         if ( checkNumLen(obj.value, len) == false ) {
67           alert(msgs[1]);
68           getFocusSelect(obj);
69           return false;
70         }
71
72       } else if ( trim(obj.value) != "" && obj.feildtype && obj.feildtype == "string" ) {
73
74         if ( getLenthByByte(trim(obj.value)) > len){
75           alert(msgs[1]);
76           getFocusSelect(obj);
77           return false;
78         }
79       }
80     }
81   }
82
83}

message.inc 1<%
2Const IMSG0001 = "ID必须输入!"
3Const IMSG0002 = "ID输入格式错误!"
4Const IMSG0003 = "名称必须输入!"
5Const IMSG0004 = "名称输入格式错误!"
6%>
http://www.cnblogs.com/meil/archive/2007/04/05/700772.html

Tags:Javascript 实现 自动

编辑录入:爽爽 [复制链接] [打 印]
赞助商链接