servlet怎么接受JS函数中的数组
日期：2014-05-16 浏览次数：20547 次
servlet如何接受JS函数中的数组
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<%@ 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>
<base href="<%=basePath%>">
<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="js/lib/jquery-1.4.4.js"></script>
</head>
<script type="text/javascript">
var arr = new Array();
for(var i = 0; i < 5; i++){
arr[i] = "huangbiao----"+i;
}
//alert(arr.toString());//将数组以字符串的形式展现出来
function testJson(){
var date = new Date();
var timestamp = date.getTime();
//alert(timestamp);
//参数后面加上时间戳是以为ajax机制利用了缓存，如果参数一致就不会再次发送请求了
//前面的../表示路径要在上一个目录，才能发送请求
$.get("servlet/GetServletJson", { HB: "[111,222,333]",time:timestamp,arr:arr.toString()},
//function方法是接受server端传递过来的方法
function(data){
//alert(data);
});
}
</script>
<body>
<input type="button" value="发送一个数组JSON" id="testLog" onclick="testJson()">
</body>
</html>
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servlet接受AJAX传递过来的参数
package hb.com;
import java.io.BufferedReader;
import java.io.IOException;
import java.io.PrintWriter;
import java.util.ArrayList;
import java.util.List;
import javax.servlet.ServletException;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
public class GetServletJson extends HttpServlet {
public void doGet(HttpServletRequest request, HttpServletResponse response)
throws ServletException, IOException {
this.doPost(request, response);
}
public void doPost(HttpServletRequest request, HttpServletResponse response)
throws ServletException, IOException {
System.out.println(request.getParameter("HB"));
System.out.println(request.getParameter("time"));
System.out.println(request.getParameter("arr"));
System.out.println(request.getParameterValues("arr"));
}
}
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将数组格式的字符串转换为字符串数组
public class Test {
/**
* @param args
*/
public static void main(String[] args) {
// TODO Auto-generated method stub
String ss = "[111, 222, 333, 444]";
String a[] = ss.replace("[", "").replace("]", "").split(",");
for(int i = 0 ; i < a.length; i++){
System.out.println(a[i].replace(" ", ""));
}
}
}
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