AJAX实例:根据邮编自动完成地址信息
2008-11-23 12:01
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<SCRIPT type=text/javascript><!--
google_ad_client = "pub-4490194096475053";
/* 内容页,300x250,第一屏 */
google_ad_slot = "3685991503";
google_ad_width = 300;
google_ad_height = 250;
//-->
</SCRIPT>
<SCRIPT src="http://pagead2.googlesyndication.com/pagead/show_ads.js" type=text/javascript>
</SCRIPT>
<SCRIPT>window.google_render_ad();</SCRIPT>
<IFRAME name=google_ads_frame marginWidth=0 marginHeight=0 src="http://pagead2.googlesyndication.com/pagead/ads?client=ca-pub-4490194096475053&dt=1227412845125&lmt=1226285516&prev_slotnames=1891601125&output=html&slotname=3685991503&correlator=1227412845078&url=http%3A%2F%2Fwww.corange.cn%2Farchives%2F2008%2F08%2F1575.html&ea=0&ref=http%3A%2F%2Fwww.corange.cn%2Fhtml%2Fcorange__89.html&frm=0&ga_vid=2091876339.1227189135&ga_sid=1227412789&ga_hid=774336983&ga_fc=true&flash=9.0.124.0&u_h=768&u_w=1024&u_ah=715&u_aw=1024&u_cd=32&u_tz=480&u_java=true&dtd=31" frameBorder=0 width=300 scrolling=no height=250 allowTransparency></IFRAME><script>
function createRequestObject() {
var ro;
var browser = navigator.appName;
if(browser == "Microsoft Internet Explorer"){
ro = new ActiveXObject("Microsoft.XMLHTTP");
}else{
ro = new XMLHttpRequest();
}
return ro;
}
var http = createRequestObject();
function sndReq(zip) {
http.open('get', 'zipcode.PHP?zip='+zip);
http.onreadystatechange = handleResponse;
http.send(null);
}
function handleResponse() {
if(http.readyState == 4){
var response = http.responseText;
var update = new Array();
if(response.indexOf('|' != -1)) {
update = response.split('|');
document.getElementById("city").value = update[0];
document.getElementById("state").value = update[1];
}
}
}
</script>
<h3>Enter A United States Zipcode, Then Tab</h3>
<table align="center">
<tr>
<td>Enter Zipcode:</td>
<td><input type="text" id="zipcode" name="zipcode" onBlur="sndReq(this.value);"/></td>
</tr>
<tr>
<td>City:</td>
<td><input type="text" id="city" name="city"/></td>
</tr>
<tr>
<td>State:</td>
<td><input type="text" id="state" name="state"/></td>
</tr>
</table>
以上是客户输入页面,下面是服务端的处理页面'zipcode.PHP
<?PHP
$dbuser = 'root';
$dbpass = '111111';
$cn = mysql_connect("localhost", $dbuser, $dbpass);
$db = mysql_select_db("ajax");
$sql = "select city, state from zipcodes where zipcode = " . $_REQUEST['zip'];
$rs = mysql_query($sql);
$row = mysql_fetch_array($rs);
echo $row['city'] . "|" . $row['state'];
mysql_close($cn);
?>
当客户输入一个POSTCODE后,zipcode.PHP就接收到它,然后进行从数据表中取出对应的资料,再按一定的格式返回给客户端(此处是以 | 分隔)。最后客户端接收返回的资料,显示在页面上。
if(response.indexOf('|' != -1)) {
update = response.split('|');
document.getElementById("city").value = update[0];
document.getElementById("state").value = update[1];
}
google_ad_client = "pub-4490194096475053";
/* 内容页,300x250,第一屏 */
google_ad_slot = "3685991503";
google_ad_width = 300;
google_ad_height = 250;
//-->
</SCRIPT>
<SCRIPT src="http://pagead2.googlesyndication.com/pagead/show_ads.js" type=text/javascript>
</SCRIPT>
<SCRIPT>window.google_render_ad();</SCRIPT>
<IFRAME name=google_ads_frame marginWidth=0 marginHeight=0 src="http://pagead2.googlesyndication.com/pagead/ads?client=ca-pub-4490194096475053&dt=1227412845125&lmt=1226285516&prev_slotnames=1891601125&output=html&slotname=3685991503&correlator=1227412845078&url=http%3A%2F%2Fwww.corange.cn%2Farchives%2F2008%2F08%2F1575.html&ea=0&ref=http%3A%2F%2Fwww.corange.cn%2Fhtml%2Fcorange__89.html&frm=0&ga_vid=2091876339.1227189135&ga_sid=1227412789&ga_hid=774336983&ga_fc=true&flash=9.0.124.0&u_h=768&u_w=1024&u_ah=715&u_aw=1024&u_cd=32&u_tz=480&u_java=true&dtd=31" frameBorder=0 width=300 scrolling=no height=250 allowTransparency></IFRAME><script>
function createRequestObject() {
var ro;
var browser = navigator.appName;
if(browser == "Microsoft Internet Explorer"){
ro = new ActiveXObject("Microsoft.XMLHTTP");
}else{
ro = new XMLHttpRequest();
}
return ro;
}
var http = createRequestObject();
function sndReq(zip) {
http.open('get', 'zipcode.PHP?zip='+zip);
http.onreadystatechange = handleResponse;
http.send(null);
}
function handleResponse() {
if(http.readyState == 4){
var response = http.responseText;
var update = new Array();
if(response.indexOf('|' != -1)) {
update = response.split('|');
document.getElementById("city").value = update[0];
document.getElementById("state").value = update[1];
}
}
}
</script>
<h3>Enter A United States Zipcode, Then Tab</h3>
<table align="center">
<tr>
<td>Enter Zipcode:</td>
<td><input type="text" id="zipcode" name="zipcode" onBlur="sndReq(this.value);"/></td>
</tr>
<tr>
<td>City:</td>
<td><input type="text" id="city" name="city"/></td>
</tr>
<tr>
<td>State:</td>
<td><input type="text" id="state" name="state"/></td>
</tr>
</table>
以上是客户输入页面,下面是服务端的处理页面'zipcode.PHP
<?PHP
$dbuser = 'root';
$dbpass = '111111';
$cn = mysql_connect("localhost", $dbuser, $dbpass);
$db = mysql_select_db("ajax");
$sql = "select city, state from zipcodes where zipcode = " . $_REQUEST['zip'];
$rs = mysql_query($sql);
$row = mysql_fetch_array($rs);
echo $row['city'] . "|" . $row['state'];
mysql_close($cn);
?>
当客户输入一个POSTCODE后,zipcode.PHP就接收到它,然后进行从数据表中取出对应的资料,再按一定的格式返回给客户端(此处是以 | 分隔)。最后客户端接收返回的资料,显示在页面上。
if(response.indexOf('|' != -1)) {
update = response.split('|');
document.getElementById("city").value = update[0];
document.getElementById("state").value = update[1];
}
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