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Javascript实现的自动验证函数

2008-04-14 16:22 405 查看

<!-- #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" onclick="validate(); return false;">




27<SCRIPT LANGUAGE="JavaScript">...


28<!--


29//validate()


30//-->


31</SCRIPT>


32</FORM>


33</BODY>


34</HTML>



validate.js




function 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


<%


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%>
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