文章或者观点说说等点赞功能实现(thinkphp)

<!-- 点赞 --><div class=‘btm‘><a class=‘zan‘ id="{$article.id}" href="javascript:void(0);">赞(<span>{$article.likescount}</span>)</a></div>

$(".zan").live(‘click‘,function(){ ???????var Oa=$(this); ???????var id=Oa.attr(‘id‘);//获取id属性 ???????var vl=Oa.find("span").text(); ???????????vl=parseInt(vl)+1; ???????if(!$.cookie(id)){ ???????????// console.log(‘没有缓存‘); ???????????$.post("{:U("Article/zan")}",{id:id},function(data){ ???????????????????console.log(data) ???????????????if(data.status==‘ok‘){ ???????????????????alert(‘点赞+1‘);//模拟异步数据加1 ???????????????????$.cookie(id,id);//改变flag初始值，确保函数只执行一次 ???????????????????Oa.find("span").text(vl);//页面元素加1 ???????????????} ???????????},‘json‘); ????????}else{ ???????????// console.log(‘有缓存‘); ???????????alert(‘您已经点过赞了!‘); ???????} ???????return false; ???})

public function zan(){ ?????$data[‘id‘]=isset($_POST[‘id‘])?intval(trim($_POST[‘id‘])):0; ?????$db=M(‘article‘); ?????$res = $db->where($data)->setInc(‘zan‘); ?????if($res){ ???????$this->ajaxReturn($data,‘ok‘,1); ???????exit(); ?????}else{ ???????$this->ajaxReturn($data,‘fail‘,0); ???????exit(); ?????} ???}

/*! * jQuery Cookie Plugin v1.4.1 * https://github.com/carhartl/jquery-cookie * * Copyright 2006, 2014 Klaus Hartl * Released under the MIT license */(function (factory) { ???if (typeof define === ‘function‘ && define.amd) { ???????// AMD (Register as an anonymous module) ???????define([‘jquery‘], factory); ???} else if (typeof exports === ‘object‘) { ???????// Node/CommonJS ???????module.exports = factory(require(‘jquery‘)); ???} else { ???????// Browser globals ???????factory(jQuery); ???}}(function ($) { ???var pluses = /\+/g; ???function encode(s) { ???????return config.raw ? s : encodeURIComponent(s); ???} ???function decode(s) { ???????return config.raw ? s : decodeURIComponent(s); ???} ???function stringifyCookieValue(value) { ???????return encode(config.json ? JSON.stringify(value) : String(value)); ???} ???function parseCookieValue(s) { ???????if (s.indexOf(‘"‘) === 0) { ???????????// This is a quoted cookie as according to RFC2068, unescape... ???????????s = s.slice(1, -1).replace(/\\"/g, ‘"‘).replace(/\\\\/g, ‘\\‘); ???????} ???????try { ???????????// Replace server-side written pluses with spaces. ???????????// If we can‘t decode the cookie, ignore it, it‘s unusable. ???????????// If we can‘t parse the cookie, ignore it, it‘s unusable. ???????????s = decodeURIComponent(s.replace(pluses, ‘ ‘)); ???????????return config.json ? JSON.parse(s) : s; ???????} catch(e) {} ???} ???function read(s, converter) { ???????var value = config.raw ? s : parseCookieValue(s); ???????return $.isFunction(converter) ? converter(value) : value; ???} ???var config = $.cookie = function (key, value, options) { ???????// Write ???????if (arguments.length > 1 && !$.isFunction(value)) { ???????????options = $.extend({}, config.defaults, options); ???????????if (typeof options.expires === ‘number‘) { ???????????????var days = options.expires, t = options.expires = new Date(); ???????????????t.setMilliseconds(t.getMilliseconds() + days * 864e+5); ???????????} ???????????return (document.cookie = [ ???????????????encode(key), ‘=‘, stringifyCookieValue(value), ???????????????options.expires ? ‘; expires=‘ + options.expires.toUTCString() : ‘‘, // use expires attribute, max-age is not supported by IE ???????????????options.path ???? ‘; path=‘ + options.path : ‘‘, ???????????????options.domain ?? ‘; domain=‘ + options.domain : ‘‘, ???????????????options.secure ?? ‘; secure‘ : ‘‘ ???????????].join(‘‘)); ???????} ???????// Read ???????var result = key ? undefined : {}, ???????????// To prevent the for loop in the first place assign an empty array ???????????// in case there are no cookies at all. Also prevents odd result when ???????????// calling $.cookie(). ???????????cookies = document.cookie ? document.cookie.split(‘; ‘) : [], ???????????i = 0, ???????????l = cookies.length; ???????for (; i < l; i++) { ???????????var parts = cookies[i].split(‘=‘), ???????????????name = decode(parts.shift()), ???????????????cookie = parts.join(‘=‘); ???????????if (key === name) { ???????????????// If second argument (value) is a function it‘s a converter... ???????????????result = read(cookie, value); ???????????????break; ???????????} ???????????// Prevent storing a cookie that we couldn‘t decode. ???????????if (!key && (cookie = read(cookie)) !== undefined) { ???????????????result[name] = cookie; ???????????} ???????} ???????return result; ???}; ???config.defaults = {}; ???$.removeCookie = function (key, options) { ???????// Must not alter options, thus extending a fresh object... ???????$.cookie(key, ‘‘, $.extend({}, options, { expires: -1 })); ???????return !$.cookie(key); ???};}));