java小程序(未签名)可以创建/读取cookie吗? [英] can java applets (not signed) create / read cookies?
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问题描述
我想知道是否可以从未签名的小程序向客户端写入 cookie.
I was wondering if it's possible to write cookies to clients from unsigned applets.
推荐答案
是的,他们可以,您可以为此使用 JSObject.这里需要注意的是,您需要将 jre/lib 目录中的 plugin.jar 添加到您的路径中,以便对其进行编译.
Yes they can, you can use JSObject for this. Small note here, you need to add the plugin.jar from the jre/lib directory to your path in order to get this compiled.
阅读:
import netscape.javascript.JSObject;
String data = "";
String cookiename = "fooCookie";
JSObject myBrowser = JSObject.getWindow(this);
JSObject myDocument = (JSObject) myBrowser.getMember("document");
String myCookie = (String) myDocument.getMember("cookie");
if (myCookie.length() > 0) {
String[] cookies = myCookie.split(";");
for (String cookie : cookies) {
int pos = cookie.indexOf("=");
if (cookie.substring(0, pos).trim().equals(cookiename)) {
data = cookie.substring(pos + 1);
break;
}
}
}
写作:
String data = "test";
String cookiename = "fooCookie";
JSObject win = JSObject.getWindow(this);
JSObject doc = (JSObject) win.getMember("document");
String data = cookiename + "=" + data + "; path=/; expires=Thu, 31-Dec-2019 12:00:00 GMT";
doc.setMember("cookie", data);
不要忘记用 Base64 编码您的数据.
Don't forget to encode your data in Base64.
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