IP地址输入栏

时间：2007-02-18 来源：PHP爱好者

提示：您可以先修改部分代码再运行 <html xmlns:v="urn:schemas-microsoft-com:vml">
<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-php爱好者_[url]www.phpfans.net[/url]</title>
<style>

</style>
</head>

<body bgcolor=threedface>
<div id="alertInfoDiv" style="position: absolute; left:100; top:40; display:none">
<v:roundrect strokecolor="black" fillcolor="infobackground" style="position:relative;left:30;top:5;width:130px;z-index:9">
<v:shadow on="t" type="single" color="silver" offset="3pt,-3pt"></v:shadow>
<v:textbox id="alertInfo" style="font-family:Arial,Tahoma;font-size:10pt;color:infotext;line-</v:textbox>
</v:roundrect>
<v:oval strokecolor="black" fillcolor="infobackground" style="position:relative;left:-120;top:20;width:14px;z-index:8">
<v:shadow on="t" type="single" color="silver" offset="3pt,-3pt"></v:shadow>
</v:oval>
<v:oval strokecolor="black" fillcolor="infobackground" style="position:relative;left:-160;top:32;width:10px;Z-index:7">
<v:shadow on="t" type="single" color="silver" offset="3pt,-3pt"></v:shadow>
</v:oval>
</div>
IP地址输入栏：
<div style="position: absolute; left: 50; top:115; text-align: center; vertical-align: middle;">

<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";
  VMLAlert("请输入一个界于1和223之间的数值。",67);
  //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";
  VMLAlert("请输入一个界于1和223之间的数值。",67);
  //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";
  var theSrcName = event.srcElement.name;
  var theAlertPos = theSrcName=="IPInput1" ? 95 : (theSrcName=="IPInput2" ? 122 :150);
  VMLAlert("请输入一个界于0和255之间的数值。",theAlertPos);
  //alert("请输入一个界于0和255之间的数值。")
  event.srcElement.select();
  }
}
}

function VMLAlert(alertText,alertPos) {
with (document.all) {
  alertInfo.innerHTML = alertText;
  alertInfoDiv.style.left = alertPos;
  alertInfoDiv.style.display = "";
}
setTimeout('document.all.alertInfoDiv.style.display = "none"',3000);

}
</script>
</div>
</body>
</html>
提示：您可以先修改部分代码再运行