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jQuery实现的Ajax小例子
jQuery实现的Ajax小例子jsp代码:
<%@ page language=
"java"
import
=
"java.util.*"
pageEncoding=
"UTF-8"
%>
<%
String path = request.getContextPath();
String basePath = request.getScheme()+
"://"
+request.getServerName()+
":"
+request.getServerPort()+path+
"/"
;
%>
<!DOCTYPE HTML PUBLIC
"-//W3C//DTD HTML 4.01 Transitional//EN"
>
<html>
<head>
<title>My JSP
"index.jsp"
starting page</title>
<meta http-equiv=
"pragma"
content=
"no-cache"
>
<meta http-equiv=
"cache-control"
content=
"no-cache"
>
<meta http-equiv=
"expires"
content=
"0"
>
<meta http-equiv=
"keywords"
content=
"keyword1,keyword2,keyword3"
>
<meta http-equiv=
"description"
content=
"This is my page"
>
<!--
<link rel=
"stylesheet"
type=
"text/css"
href=
"styles.css"
>
-->
<script type=
"text/javascript"
src=
"<%=basePath%>js/jquery-1.6.4.min.js"
></script>
</head>
<script type=
"text/javascript"
>
function ajaxrequest(){
$.ajax({
type:
"get"
,
url:
"lpm"
,
dataType:
"text"
,
data:
"name=hello world&age=15"
,
success:function(msg){
$(
"#name"
).val(msg);
}
});
}
function ajaxre2(){
$.get(
"lpm"
,{name:
"lpm"
,age:
"25"
},function(msg){
$(
"#wenben"
).val(msg);
});
}
</script>
<body>
<input type=
"button"
id=
"name"
value=
"按钮"
onclick=
"ajaxrequest()"
/>
<input type=
"text"
id=
"wenben"
onfocus=
"ajaxre2()"
/>
</body>
</html>
web.xml配置servlet:
<servlet>
<servlet-name>lpm</servlet-name>
<servlet-
class
>com.chinasoft.lpm</servlet-
class
>
</servlet>
<servlet-mapping>
<servlet-name>lpm</servlet-name>
<url-pattern>/lpm</url-pattern>
</servlet-mapping>
servlet代码:
package
com.chinasoft;
import
java.io.IOException;
import
java.io.PrintWriter;
import
javax.servlet.ServletException;
import
javax.servlet.http.HttpServlet;
import
javax.servlet.http.HttpServletRequest;
import
javax.servlet.http.HttpServletResponse;
public
class
lpm
extends
HttpServlet {
public
void
doGet(HttpServletRequest request, HttpServletResponse response)
throws
ServletException, IOException {
response.setContentType(
"text/html"
);
PrintWriter out = response.getWriter();
String name=request.getParameter(
"name"
);
String age=request.getParameter(
"age"
);
out.println(name+
":"
+age);
}
public
void
doPost(HttpServletRequest request, HttpServletResponse response)
throws
ServletException, IOException {
this
.doGet(request, response);
}
}
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