js 记录用户浏览历史记录 Bug 修复版本-php手册-php.cn

js 记录用户浏览历史记录 Bug 修复版本

WBOY

Release： 2016-06-07 11:42:04

Original

1125 people have browsed it

前一个版本存在删除历史记录bug问题，特此修复.用法不变
http://www.thinkphp.cn/code/513.html

另外提供html5版
http://www.thinkphp.cn/code/669.html
/** * History * @author yulipu */ function History(key) { this.limit = 10; // 最多10条记录 this.key = key || 'y_his'; // 键值 this.jsonData = null; // 数据缓存 this.cacheTime = 24; // 24 小时 this.path = '/'; // cookie path } History.prototype = { constructor : History ,setCookie: function(name, value, expiresHours, options) { options = options || {}; var cookieString = name + '=' + encodeURIComponent(value); //判断是否设置过期时间 if(undefined != expiresHours){ var date = new Date(); date.setTime(date.getTime() + expiresHours * 3600 * 1000); cookieString = cookieString + '; expires=' + date.toUTCString(); } var other = [ options.path ? '; path=' + options.path : '', options.domain ? '; domain=' + options.domain : '', options.secure ? '; secure' : '' ].join(''); document.cookie = cookieString + other; } ,getCookie: function(name) { // cookie 的格式是个个用分号空格分隔 var arrCookie = document.cookie ? document.cookie.split('; ') : [], val = '', tmpArr = ''; for(var i=0; i<arrcookie.length></arrcookie.length> tmpArr = arrCookie[i].split('='); tmpArr[0] = tmpArr[0].replace(' ', ''); // 去掉空格 if(tmpArr[0] == name) { val = decodeURIComponent(tmpArr[1]); break; } } return val.toString(); } ,deleteCookie: function(name) { this.setCookie(name, '', -1, {"path" : this.path}); //console.log(document.cookie); } ,initRow : function(title, link, other) { return '{"title":"'+title+'", "link":"'+link+'", "other":"'+other+'"}'; } ,parse2Json : function(jsonStr) { var json = []; try { json = JSON.parse(jsonStr); } catch(e) { //alert('parse error');return; json = eval(jsonStr); } return json; } // 添加记录 ,add : function(title, link, other) { var jsonStr = this.getCookie(this.key); //alert(jsonStr); return; if("" != jsonStr) { this.jsonData = this.parse2Json(jsonStr); // 排重 for(var x=0; x<this.jsondata.length></this.jsondata.length> if(link == this.jsonData[x]['link']) { return false; } } // 重新赋值组装 json 字符串 jsonStr = '[' + this.initRow(title, link, other) + ','; for(var i=0; i<this.limit-1></this.limit-1> if(undefined != this.jsonData[i]) { jsonStr += this.initRow(this.jsonData[i]['title'], this.jsonData[i]['link'], this.jsonData[i]['other']) + ','; } else { break; } } jsonStr = jsonStr.substring(0, jsonStr.lastIndexOf(',')); jsonStr += ']'; } else { jsonStr = '['+ this.initRow(title, link, other) +']'; } //alert(jsonStr); this.jsonData = this.parse2Json(jsonStr); this.setCookie(this.key, jsonStr, this.cacheTime, {"path" : this.path}); } // 得到记录 ,getList : function() { // 有缓存直接返回 if(null != this.jsonData) { return this.jsonData; // Array } // 没有缓存从 cookie 取 var jsonStr = this.getCookie(this.key); if("" != jsonStr) { this.jsonData = this.parse2Json(jsonStr); } return this.jsonData; } // 清空历史 ,clearHistory : function() { this.deleteCookie(this.key); this.jsonData = null; } };

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