这里有一个答案，http://stackoverflow.com/questions/3066586/get-string-in-yyyymmdd-format-from-js-date-object Altered piece of code I often use: Date.prototype.yyyymmdd = function() { var mm = this.getMonth() + 1; // getMonth() is zero-based var dd = this.getDate(); return [this.getFullYear……

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