jquery导出excel（解决中文乱码导出）

(function($) { $.base64 = function(options) { var defaults = { data:"", type:0, unicode:true }; var opts = $.extend(defaults,options); var keyStr = "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/="; UnicodeChr = function(){ return 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