怎么用js写自定义key的base64加密

答案:5 悬赏:40 手机版

解决时间 2021-01-26 14:12

提问者网友：聂風
2021-01-26 05:32

最佳答案

五星知识达人网友：患得患失的劫
2021-01-26 05:46

functionBase64(){//privateproperty_keyStr="ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/=";//publicmethodforencodingthis.encode=function(input){varoutput="";varchr1,chr2,chr3,enc1,enc2,enc3,enc4;vari=0;input=_utf8_encode(input);while(i>2;enc2=((chr1&3)>4);enc3=((chr2&15)>6);enc4=chr3&63;if(isNaN(chr2)){enc3=enc4=64;}elseif(isNaN(chr3)){enc4=64;}output=output+_keyStr.charAt(enc1)+_keyStr.charAt(enc2)+_keyStr.charAt(enc3)+_keyStr.charAt(enc4);}returnoutput;}//publicmethodfordecodingthis.decode=function(input){varoutput="";varchr1,chr2,chr3;varenc1,enc2,enc3,enc4;vari=0;input=input.replace(/[^A-Za-z0-9\+\/\=]/g,"");while(i>4);chr2=((enc2&15)>2);chr3=((enc3&3)127)&&(c>6)|192);utftext+=String.fromCharCode((c&63)|128);}else{utftext+=String.fromCharCode((c>>12)|224);utftext+=String.fromCharCode(((c>>6)&63)|128);utftext+=String.fromCharCode((c&63)|128);}}returnutftext;}//privatemethodforUTF-8decoding_utf8_decode=function(utftext){varstring="";vari=0;varc=c1=c2=0;while(i191)&&(c

全部回答

1楼网友：猎心人
2021-01-26 08:31

functionBase64(){//privateproperty_keyStr="ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/=";//publicmethodforencodingthis.encode=function(input){varoutput="";varchr1,chr2,chr3,enc1,

2楼网友：神也偏爱
2021-01-26 07:48

functionBase64(){//privateproperty_keyStr="ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/=";//publicmethodforencodingthis.encode=function(input){varoutput="";varchr1,chr2,chr3,enc1,

3楼网友：人间朝暮
2021-01-26 07:29

functionBase64(){//privateproperty_keyStr="ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/=";//publicmethodforencodingthis.encode=function(input){varoutput="";varchr1,chr2,chr3,enc1,

4楼网友：执傲
2021-01-26 06:10

你好！ functionBase64(){//privateproperty_keyStr="ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/=";//publicmethodforencodingthis.encode=function(input){varoutput="";varchr1,chr2,chr3,enc1, 如有疑问，请追问。

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