js 日期修改

標籤：blog   java   os   io   for   ar   cti   div   

很早之前在CSDN上發的部落格，現在CSDN上得少了，就把這個轉到園子裡來

//重寫toString方法，將時間轉換為Y-m-d H:i:s格式Date.prototype.toString = function(){return this.getFullYear() + "-" + (this.getMonth()+1) + "-" + this.getDate() + " " + this.getHours() + ":" + this.getMinutes() + ":" + this.getSeconds();}//格式化時間字串Date.prototype.toFormatString = function(format){if(format == ""){return this.toString();}var str = ‘‘;str = format.replace(/Y|y/,this.getFullYear()).replace(/M|m/,this.getMonth() + 1).replace(/D|d/,this.getDate()).replace(/H|h/,this.getHours()).replace(/I|i/,this.getMinutes()).replace(/S|s/,this.getSeconds());return str;}//在目前時間上添加年數Date.prototype.addYear = function(years){var cyear = this.getFullYear();cyear += years;this.setYear(cyear);return this;}//在目前時間上添加天數Date.prototype.addDay = function(days){var cd = this.getDate();cd += days;this.setDate(cd);return this;}//在目前時間上添加月數Date.prototype.addMonth = function(months){var cm = this.getMonth();cm += months;this.setMonth(cm);return this;}//將php時間格式(Y-m-d H:i:s)轉化為js日期對象function phpDateToJsDate(phpDate){if(phpDate == ""){return new Date();}return new Date(Date.parse(phpDate.replace(/-/g,"/")));}