如何在Codeigniter上删除Cookie [英] How to delete cookie on codeigniter
本文介绍了如何在Codeigniter上删除Cookie的处理方法,对大家解决问题具有一定的参考价值,需要的朋友们下面随着小编来一起学习吧!
问题描述
我不知道如何删除Cookie.我想要的是当我提交表格时.cookie也将被删除.我尝试使用delete_cookie("name"),但无法正常工作.我认为是因为 javascript
创建的cookie.请检查我的代码以解决此问题.
I don't know how to delete a cookie. I want is when I submit a form. The cookie is also delete. I try the delete_cookie("name") but is not working. I think because the cookie I created by javascript
. Please check my code to fix this problem.
这是我的示例文本字段:
<input name="cargo_no" type="text" class="validate[required]" id="cargonumber" onchange="setCookie('cargonumberC', this.value, 365);"/>
这是JavaScript
function setCookie(cookieName, cookieValue, nDays) {
var today = new Date();
var expire = new Date();
if (!nDays)
nDays=1;
expire.setTime(today.getTime() + 3600000*24*nDays);
document.cookie = cookieName+"="+escape(cookieValue) + ";expires="+expire.toGMTString();
}
function readCookie(name) {
var nameEQ = name + "=";
var ca = document.cookie.split(';');
for(var i = 0; i < ca.length; i++) {
var c = ca[i];
while (c.charAt(0) == ' ') c = c.substring(1, c.length);
if (c.indexOf(nameEQ) == 0) return c.substring(nameEQ.length, c.length);
}
return null;
}
document.addEventListener('DOMContentLoaded', function() {
var themeSelect = document.getElementById('cargonumber');
var selectedTheme = readCookie('cargonumberC');
if (selectedTheme) {
themeSelect.value = selectedTheme;
}
});
推荐答案
使用Codeigniter,将其放在控制器的save方法内:
Using Codeigniter, put it inside the save method of your controller:
尝试:
delete_cookie('name', $domain, $path);
Details on official documentation
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