会python真的可以为所欲为0(回)
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每天面对着电脑屏幕，敲打键盘。我所面对的并不只是代码，而是一种生活方式。0(回)
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鸽子
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854天前<html xmlns="http://www.w3.org/1999/xhtml"> |
<head> |
<meta http-equiv="Content-Language" content="en-us" /> |
<meta http-equiv="Content-Type" content="text/html; charset=gb2312" /> |
<meta name="GENERATOR" content="Microsoft FrontPage 4.0" /> |
<meta name="ProgId" content="FrontPage.Editor.Document" /> |
<title>BASE64编码加密--http://good521.com--GOOD521娱乐在线,超级搜索,搜软件, 电影下载, 变态资源, 图片搜索, 小说搜索, 论坛搜索, 搜索助手, 桌面搜索, 搜索推广, 搜索优化, 搜索软件, 海量搜索,电骆，BT</title> |
<style type="text/css"> |
/*<![CDATA[*/ |
BODY { |
MARGIN-TOP: 8px |
} |
.style1 { |
COLOR: #ff6633 |
} |
TD { |
FONT-SIZE: 9pt; LINE-HEIGHT: 15pt |
} |
A:link { |
COLOR: #333333; TEXT-DECORATION: none |
} |
A:visited { |
COLOR: #333333; TEXT-DECORATION: none |
} |
A:active { |
COLOR: #ff6600; TEXT-DECORATION: none |
} |
A:hover { |
COLOR: #ff6600 |
} |
.upline { |
BORDER-TOP: #ff6633 1px solid |
} |
.downline { |
BORDER-BOTTOM: #ff6633 1px solid |
} |
.f1 { |
FONT-SIZE: 12px; COLOR: #ff6633; FONT-FAMILY: "Verdana", "Arial", "Helvetica", "sans-serif"; TEXT-DECORATION: none |
} |
.f2 { |
FONT-SIZE: 12px; COLOR: #333333; FONT-FAMILY: "Verdana", "Arial", "Helvetica", "sans-serif"; TEXT-DECORATION: none |
} |
/*]]>*/ |
</style> |
</head> |
<body> |
<div align="center"> |
<center> |
<table border="0" cellpadding="0" cellspacing="0" width="760"> |
<tr> |
<td></td> |
</tr> |
<tr> |
<td width="100%"> |
<table border="0" cellpadding="0" cellspacing="0" style="border-collapse: collapse" bordercolor="#111111" width="100%" id="AutoNumber7"> |
<tr> |
<td width="100%"> |
<table width="100%" border="0" align="center" cellpadding="0" cellspacing="0" bordercolor="#111111" id="AutoNumber8" style="border-collapse: collapse"> |
<tr> |
<td width="103%" align="left" height="30"> |
<p align="center"><font face="宋体"><b>BASE64编码加密</b></font></p> |
</td> |
</tr> |
<tr> |
<td width="103%" align="left"> |
<script language="javascript" type="text/javascript"> |
//<![CDATA[ |
var base64EncodeChars = "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/"; |
var base64DecodeChars = new Array( |
-1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, |
-1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, |
-1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, 62, -1, -1, -1, 63, |
52, 53, 54, 55, 56, 57, 58, 59, 60, 61, -1, -1, -1, -1, -1, -1, |
-1, 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, |
15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, -1, -1, -1, -1, -1, |
-1, 26, 27, 28, 29, 30, 31, 32, 33, 34, 35, 36, 37, 38, 39, 40, |
41, 42, 43, 44, 45, 46, 47, 48, 49, 50, 51, -1, -1, -1, -1, -1); |
function base64encode(str) { |
var out, i, len; |
var c1, c2, c3; |
len = str.length; |
i = 0; |
out = ""; |
while(i < len) { |
c1 = str.charCodeAt(i++) & 0xff; |
if(i == len) |
{ |
out += base64EncodeChars.charAt(c1 >> 2); |
out += base64EncodeChars.charAt((c1 & 0x3) << 4); |
out += "=="; |
break; |
} |
c2 = str.charCodeAt(i++); |
if(i == len) |
{ |
out += base64EncodeChars.charAt(c1 >> 2); |
out += base64EncodeChars.charAt(((c1 & 0x3)<< 4) | ((c2 & 0xF0) >> 4)); |
out += base64EncodeChars.charAt((c2 & 0xF) << 2); |
out += "="; |
break; |
} |
c3 = str.charCodeAt(i++); |
out += base64EncodeChars.charAt(c1 >> 2); |
out += base64EncodeChars.charAt(((c1 & 0x3)<< 4) | ((c2 & 0xF0) >> 4)); |
out += base64EncodeChars.charAt(((c2 & 0xF) << 2) | ((c3 & 0xC0) >>6)); |
out += base64EncodeChars.charAt(c3 & 0x3F); |
} |
return out; |
} |
function base64decode(str) { |
var c1, c2, c3, c4; |
var i, len, out; |
len = str.length; |
i = 0; |
out = ""; |
while(i < len) { |
/* c1 */ |
do { |
c1 = base64DecodeChars[str.charCodeAt(i++) & 0xff]; |
} while(i < len && c1 == -1); |
if(c1 == -1) |
break; |
/* c2 */ |
do { |
c2 = base64DecodeChars[str.charCodeAt(i++) & 0xff]; |
} while(i < len && c2 == -1); |
if(c2 == -1) |
break; |
out += String.fromCharCode((c1 << 2) | ((c2 & 0x30) >> 4)); |
/* c3 */ |
do { |
c3 = str.charCodeAt(i++) & 0xff; |
if(c3 == 61) |
return out; |
c3 = base64DecodeChars[c3]; |
} while(i < len && c3 == -1); |
if(c3 == -1) |
break; |
out += String.fromCharCode(((c2 & 0XF) << 4) | ((c3 & 0x3C) >> 2)); |
/* c4 */ |
do { |
c4 = str.charCodeAt(i++) & 0xff; |
if(c4 == 61) |
return out; |
c4 = base64DecodeChars[c4]; |
} while(i < len && c4 == -1); |
if(c4 == -1) |
break; |
out += String.fromCharCode(((c3 & 0x03) << 6) | c4); |
} |
return out; |
} |
function utf16to8(str) { |
var out, i, len, c; |
out = ""; |
len = str.length; |
for(i = 0; i < len; i++) { |
c = str.charCodeAt(i); |
if ((c >= 0x0001) && (c <= 0x007F)) { |
out += str.charAt(i); |
} else if (c > 0x07FF) { |
out += String.fromCharCode(0xE0 | ((c >> 12) & 0x0F)); |
out += String.fromCharCode(0x80 | ((c >> 6) & 0x3F)); |
out += String.fromCharCode(0x80 | ((c >> 0) & 0x3F)); |
} else { |
out += String.fromCharCode(0xC0 | ((c >> 6) & 0x1F)); |
out += String.fromCharCode(0x80 | ((c >> 0) & 0x3F)); |
} |
} |
return out; |
} |
function utf8to16(str) { |
var out, i, len, c; |
var char2, char3; |
out = ""; |
len = str.length; |
i = 0; |
while(i < len) { |
c = str.charCodeAt(i++); |
switch(c >> 4) |
{ |
case 0: case 1: case 2: case 3: case 4: case 5: case 6: case 7: |
// 0xxxxxxx |
out += str.charAt(i-1); |
break; |
case 12: case 13: |
// 110x xxxx 10xx xxxx |
char2 = str.charCodeAt(i++); |
out += String.fromCharCode(((c & 0x1F) << 6) | (char2 & 0x3F)); |
break; |
case 14: |
// 1110 xxxx 10xx xxxx 10xx xxxx |
char2 = str.charCodeAt(i++); |
char3 = str.charCodeAt(i++); |
out += String.fromCharCode(((c & 0x0F) << 12) | |
((char2 & 0x3F) << 6) | |
((char3 & 0x3F) << 0)); |
break; |
} |
} |
return out; |
} |
function doit() { |
var f = document.f |
f.output.value = base64encode(utf16to8(f.source.value)) |
f.decode.value = utf8to16(base64decode(f.output.value)) |
} |
//]]> |
</script> |
</td> |
<td> |
<form name="f"> |
<p align="left">原码<br /> |
<textarea name="source" rows="4" cols="104" wrap="soft"> |
</textarea><br /> |
<br /> |
Base64 encode<br /> |
<textarea name="output" rows="4" cols="104" wrap="soft"> |
</textarea><br /> |
<br /> |
Base64 decode<br /> |
<textarea name="decode" rows="4" cols="104" wrap="soft"> |
</textarea><br /> |
<br /> |
<input type="button" value="转换" onclick="doit()" /></p> |
</form> |
</td> |
</tr> |
<tr> |
<td width="103%" align="left"> </td> |
</tr> |
</table> |
</td> |
</tr> |
</table> |
</td> |
</tr> |
<tr> |
<td></td> |
</tr> |
</table> |
</center> |
</div> |
</body> |
</html> |
