<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=gb2312">
<meta name="GENERATOR" content="Microsoft FrontPage 4.0">
<meta name="ProgId" content="FrontPage.Editor.Document">
<title>IP-like Input</title>
<style>
<!--
div.IPDiv { background: #FFFFFF; width: 120; margin:0; font-family: Arial,Tahoma; font-size: 10pt; text-align: center; border-top: 2 ridge threedshadow; border-left: 2 ridge threedshadow; border-right: 2 inset threedhighlight; border-bottom: 2 inset threedhighlight }
input.IPInput { width: 24; margin:0; font-family: Arial,Tahoma; font-size: 10pt; text-align: center; border-width: 0 }
-->
</style>
</head>
<body bgcolor=threedface>
只能输入0-255之间的整数,第一个点前除外
<script>
IPlikeInputStr = "";
IPlikeInputStr += '<div class="IPDiv">';
for (i=0;i<4;i++) {
IPlikeInputStr += '<input class="IPInput" name="IPInput'+i+'" type="text" size="3" maxlength="3" onkeypress="keyHandle()" onkeyup="checkInput()">'+((i==3) ? '' : '.');
}
IPlikeInputStr += '</div>';
document.write(IPlikeInputStr);
function keyHandle() {
if (event.keyCode<48||event.keyCode>57) {
event.returnValue = false;
}
}
function checkInput() {
if (event.srcElement.name=="IPInput0") {
if (event.srcElement.value==0&&event.srcElement.value.length==3) {
event.srcElement.value="1";
alert("请输入一个界于1和223之间的数值");
event.srcElement.select();
}
if (event.srcElement.value>223) {
event.srcElement.value="223";
alert("请输入一个界于1和223之间的数值");
event.srcElement.select();
}
}
else {
if (event.srcElement.value>255) {
event.srcElement.value="255";
alert("请输入一个界于0和255之间的数值")
event.srcElement.select();
}
}
}
</script>
</body>
</html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=gb2312">
<meta name="GENERATOR" content="Microsoft FrontPage 4.0">
<meta name="ProgId" content="FrontPage.Editor.Document">
<title>IP-like Input</title>
<style>
<!--
div.IPDiv { background: #FFFFFF; width: 120; margin:0; font-family: Arial,Tahoma; font-size: 10pt; text-align: center; border-top: 2 ridge threedshadow; border-left: 2 ridge threedshadow; border-right: 2 inset threedhighlight; border-bottom: 2 inset threedhighlight }
input.IPInput { width: 24; margin:0; font-family: Arial,Tahoma; font-size: 10pt; text-align: center; border-width: 0 }
-->
</style>
</head>
<body bgcolor=threedface>
只能输入0-255之间的整数,第一个点前除外
<script>
IPlikeInputStr = "";
IPlikeInputStr += '<div class="IPDiv">';
for (i=0;i<4;i++) {
IPlikeInputStr += '<input class="IPInput" name="IPInput'+i+'" type="text" size="3" maxlength="3" onkeypress="keyHandle()" onkeyup="checkInput()">'+((i==3) ? '' : '.');
}
IPlikeInputStr += '</div>';
document.write(IPlikeInputStr);
function keyHandle() {
if (event.keyCode<48||event.keyCode>57) {
event.returnValue = false;
}
}
function checkInput() {
if (event.srcElement.name=="IPInput0") {
if (event.srcElement.value==0&&event.srcElement.value.length==3) {
event.srcElement.value="1";
alert("请输入一个界于1和223之间的数值");
event.srcElement.select();
}
if (event.srcElement.value>223) {
event.srcElement.value="223";
alert("请输入一个界于1和223之间的数值");
event.srcElement.select();
}
}
else {
if (event.srcElement.value>255) {
event.srcElement.value="255";
alert("请输入一个界于0和255之间的数值")
event.srcElement.select();
}
}
}
</script>
</body>
</html>
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