javascript - js中如何将数组转化为base64encode的字符串?
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问题描述
问 题
数组就像这样:
[21,23,0,0,0,0,21,255,43,154,87,32,4,13,64,7,86,52,1,23,16,57,73,1]
若是btoa([21,23,0,0,0,0,21,255,43,154,87,32,4,13,64,7,86,52,1,23,16,57,73,1])
结果如下:
"MjEsMjMsMCwwLDAsMCwyMSwyNTUsNDMsMTU0LDg3LDMyLDQsMTMsNjQsNyw4Niw1MiwxLDIzLDE2LDU3LDczLDE="
atob("MjEsMjMsMCwwLDAsMCwyMSwyNTUsNDMsMTU0LDg3LDMyLDQsMTMsNjQsNyw4Niw1MiwxLDIzLDE2LDU3LDczLDE=")
"21,23,0,0,0,0,21,255,43,154,87,32,4,13,64,7,86,52,1,23,16,57,73,1"
转过去再转回来已经变成"21,23,0,0,0,0,21,255,43,154,87,32,4,13,64,7,86,52,1,23,16,57,73,1"这样的= =
好吧。。我脑袋秀逗了,忘记还有分割文本然后Parserint还原了。。。等会自己上答案
解决方案
var arry = [21, 23, 0, 0, 0, 0, 21, 255, 43, 154, 87, 32, 4, 13, 64, 7, 86, 52, 1, 23, 16, 57, 73, 1];
var str = base64Encode(arry);//转换字符串
console.log(str);
var arry2= base64Decode(str).split(',');
console.log(arry2);//转回数组
function base64Encode(input) {
var rv;
rv = encodeURIComponent(input);
rv = unescape(rv);
rv = window.btoa(rv);
return rv;
}
function base64Decode(input) {
rv = window.atob(input);
rv = escape(rv);
rv = decodeURIComponent(rv);
return rv;
}
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