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window.open a.href打开窗口referer的问题:
JSP:
<%@ page language="java" import="java.util.*" pageEncoding="UTF-8"%> <% String path = request.getContextPath(); String basePath = request.getScheme() + "://" + request.getServerName() + ":" + request.getServerPort() + path + "/"; %> <!DOCTYPE html> <html> <head> <meta charset="UTF-8"> <title>045index</title> <style type="text/css"> a { border: 1px solid blue;
margin-left: 5px;
} </style> </head> <body> <input type="button" value="window.open:_blank" id="btn001"> <input type="button" value="window.open:winopen" id="btn002"> <input type="button" value="window.open:winopen anotherButton" id="btn003"> <input type="button" value="see how many window open" id="btn004"> <input type="button" value="close windows opened" id="btn005"> <!-- a href 打开的窗口对象不能直接获得到 --> <a href="test8.do" target="_blank">a link _blank </a> <!-- 如果target对象一致,那么打开的窗口就是一致的 --> <a href="test8.do" target="winopen">a link winopen </a> <a href="test8.do" target="winopen">a link winopen2 </a> <!-- 使用a的click事件进行新窗口的打开,调用button的事件 --> <a id="a001" >a link click _blank </a> <a href="test8.do" target="winopen" id="a002" >a link click winopen and href </a> <script type="text/javascript" src="js/jquery-1.11.1.js"></script> <script type="text/javascript" src="b/js/bootstrap.js"></script> <script type="text/javascript" src="js/index046.js"></script> </body> </html>
js:
/**1, 用window.open的时候可以得到打开的窗口对象,可以用来后期关闭; * 2, 用a.href可以打开新的窗口,但是得不到打开的窗口对象,后期无法关闭; * 3, window.open/a.href的target设置为一个固定值winopen,反复打开的窗口都会是同一个窗口; * 4, chrome中window.open/a.href都会有request.getHeader("referer"); * 5, IE中的window.open没有referer,a.href会有referer; * 6, 用<a href="test8.do" target="winopen" id="a002" >的方式可以hack一下, * window.open的方式如果没有referer,会显示空页面,而a.href会打开同样的窗口,这个有 * referer,会显示正常的内容; */ $(function() { $(‘#btn001‘).click(btn001Click); $(‘#btn002‘).click(btn002Click); $(‘#btn003‘).click(btn003Click); $(‘#btn004‘).click(btn004Click); $(‘#btn005‘).click(btn005Click); $(‘#a001‘).click(btn001Click); $(‘#a002‘).click(btn002Click); }); var opens = []; function btn001Click(e) { // 反复点击会打开新的窗口; // 用chrome进行打开,会有request.getHeader("referer") // 用IE进行打开,request.getHeader("referer")会是null; var open = window.open(‘test8.do‘, ‘_blank‘); // chrome中第一次打开窗体有时无法正确设置title // IE中可以正常的设置titile open.document.title=‘a‘; opens.push(open); // return false是为了抑制a的默认事件; return false; } function btn002Click(e) { // 反复点击会打开同一个窗口 var open = window.open(‘test8.do‘, ‘winopen‘); // chrome中第一次打开窗体有时无法正确设置title,第二次打开同一个窗体的时候可能会设置正确 // IE中可以正常的设置titile open.document.title=‘b‘; // 会在opens数组中重复添加相同的窗口对象; opens.push(open); } function btn003Click(e) { // 反复点击会打开同一个窗口,与btn002Click的窗口一致 var open = window.open(‘test8.do‘, ‘winopen‘); // chrome中第一次打开窗体有时无法正确设置title,第二次打开同一个窗体的时候可能会设置正确 // IE中可以正常的设置titile open.document.title=‘c‘; // 会在opens数组中重复添加相同的窗口对象; opens.push(open); } function btn004Click(e) { console.log(opens); } function btn005Click(e) { var i = 0, len = opens.length; for (i = 0; i < len; i++) { console.log(i); // 如果数组中有重复对象,在前面已经关闭了,后面重复关闭不会报异常; opens[i].close(); } }
servlet:
package com.stono.servlet; import java.io.PrintWriter; import javax.servlet.http.HttpServlet; public class TestServlet8 extends HttpServlet { private static final long serialVersionUID = 1L; protected void doGet(javax.servlet.http.HttpServletRequest req, javax.servlet.http.HttpServletResponse resp) throws javax.servlet.ServletException, java.io.IOException { String referer = req.getHeader("referer"); System.out.println(referer); if(referer == null){ return ; } PrintWriter writer = resp.getWriter(); writer.println("this is from com.stono.servlet.TestServlet8"); }; }
关注一下:a.href的一个坑:http://www.cnblogs.com/iyangyuan/p/3979957.html
window.open a.href打开窗口referer的问题
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原文地址:http://www.cnblogs.com/stono/p/4977460.html