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利用DWR来自动填写表格

2008-05-09 10:20 246 查看

1、将dwr.jar放至WEB-INF/lib下面
2、将dwr.xml放至WEB-INF下面
<allow>
<create creator="new" javascript="AddressLookup">
<param name="class" value="zdsystem.AddressLookup"/>
</create>
</allow>

3.在web.xml中添加

<servlet>
<servlet-name>dwr-invoker</servlet-name>
<servlet-class>org.directwebremoting.servlet.DwrServlet</servlet-class>
<init-param>
<param-name>debug</param-name>
<param-value>true</param-value>
</init-param>
</servlet>

<servlet-mapping>
<servlet-name>dwr-invoker</servlet-name>
<url-pattern>/dwr/*</url-pattern>
</servlet-mapping>
4.index.html

<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
<title>Dynamic Address Entry Demo</title>

<script type='text/javascript' src='../dwr/engine.js'> </script>
<script type='text/javascript' src='../dwr/util.js'> </script>
<script type='text/javascript' src='../dwr/interface/AddressLookup.js'> </script>
<script>
function fillAddress() {
var sfzh = dwr.util.getValue("sfz");
AddressLookup.fillAddress(sfzh, function(address) {
dwr.util.setValues(address);
});
}
</script>
</head>
<body>
<div id="tabContents">

<div id="demoDiv">
<table>
<tr>
<td>Zipcode/Postcode:</td>
<td><input id="sfz" type="text" onchange="fillAddress()"/></td>
</tr>
<tr>
<td>姓名:</td>
<td><input id="name" type="text"/></td>
</tr>
<tr>
<td>地址:</td>
<td><input id="address" type="text"/></td>
</tr>
</table>
</body>
</html>

5.AddressLookup.java

package zdsystem;

import java.util.HashMap;
import java.util.Map;
import com.comingnet.db.ProxoolAction;
import org.directwebremoting.util.LocalUtil;

/**
* @author Joe Walker [joe at getahead dot ltd dot uk]
*/
public class AddressLookup
{

private static final String NAME_1 = "name";
private static final String ADDRESS_1 = "address";

public Map fillAddress(String orgsfz)
{
Map reply = new HashMap();
String sfz = LocalUtil.replace(orgsfz, " ", "");

if (sfz.equalsIgnoreCase("4567899999999"))
{
reply.put(NAME_1, "ff");
reply.put(ADDRESS_1, "aa");
}else if (sfz.equalsIgnoreCase("555656556565655"))
{
reply.put(NAME_1, "sss");
reply.put(ADDRESS_1, "Na");
}
else
{
reply.put(NAME_1, "");
reply.put(ADDRESS_1, "");
}

return reply;
}
}

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