增加字符串转Base64的功能

This commit is contained in:
枫谷剑仙 2023-06-30 21:56:45 +08:00
parent d4ffe43f9e
commit 439309dcd5
5 changed files with 122 additions and 26 deletions

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@ -26,9 +26,6 @@ const teamsCount = 2;
<script type="text/javascript" src="library/jy4340132-aaa/pcm_player.js"></script>
<script type="text/javascript" src="library/jy4340132-aaa/adpcm.js"></script>
<!--▲ADPCM播放相关-->
<script type="text/javascript">
var formation = new Formation(teamsCount,5);
</script>
<style type="text/css">
.show-team-name-right .team-total-info .team-awoken,
.show-team-name-left .team-total-info .team-awoken,

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@ -52,23 +52,125 @@ function localStorage_getBoolean(name, defaultValue = false){
}
// 将字符串转为二进制字符串
String.prototype.toUTF16BinaryString = function() {
const charCodes16Arr = [...this].map(char=>char.charCodeAt(0)); //将每个字符转为数字
const codeUnits = new Uint16Array(charCodes16Arr); //将每个字符存入 2 字节中。警告:仅限 0xFFFF 前的Unicode字符之后的就得换 Uint32Array
const charCodes = new Uint8Array(codeUnits.buffer); //每两个存入中
const result = [...charCodes].map(code=>String.fromCharCode(code)).join('');
return result;
String.prototype.toUTF8Blob = function() {
return new Blob([this.valueOf()], {
type: 'text/plain'
});
}
Blob.prototype.toBase64 = function() {
return new Promise((resolve, reject) => {
const fileReader = new FileReader();
fileReader.onload = (event) => {
resolve(event.target?.result);
};
// readAsDataURL
fileReader.readAsDataURL(this.valueOf());
fileReader.onerror = () => {
reject(new Error('blobToBase64 error'));
};
});
}
String.fromBinaryString = function(binary) {
const bytes = new Uint8Array([...binary].map(char=>char.charCodeAt(0)));
const charCodes = new Uint16Array(bytes.buffer);
const result = [...charCodes].map(code=>String.fromCharCode(code)).join('');
return result;
}
String.fromBase64 = function(base64) {
return String.fromBinaryString(atob(base64));
const Base64 = {
strToBase64: function(str) {
const encoder = new TextEncoder()
const view = encoder.encode(str);
const base64 = Base64.encodeFromUint8Array(view);
return base64;
},
base64ToStr: function(base64) {
const decoder = new TextDecoder()
const view = Base64.decodeToUint8Array(base64);
const str = decoder.decode(view);
return str;
},
//Base64还原成Uint8Array
decodeToUint8Array: function base64DecToArr(sBase64, nBlocksSize) {
function b64ToUint6(nChr) {
return nChr > 64 && nChr < 91
? nChr - 65
: nChr > 96 && nChr < 123
? nChr - 71
: nChr > 47 && nChr < 58
? nChr + 4
: nChr === 43
? 62
: nChr === 47
? 63
: 0;
}
const sB64Enc = sBase64.replace(/[^A-Za-z0-9+/]/g, ""); // Remove any non-base64 characters, such as trailing "=", whitespace, and more.
const nInLen = sB64Enc.length;
const nOutLen = nBlocksSize
? Math.ceil(((nInLen * 3 + 1) >> 2) / nBlocksSize) * nBlocksSize
: (nInLen * 3 + 1) >> 2;
const taBytes = new Uint8Array(nOutLen);
let nMod3;
let nMod4;
let nUint24 = 0;
let nOutIdx = 0;
for (let nInIdx = 0; nInIdx < nInLen; nInIdx++) {
nMod4 = nInIdx & 3;
nUint24 |= b64ToUint6(sB64Enc.charCodeAt(nInIdx)) << (6 * (3 - nMod4));
if (nMod4 === 3 || nInLen - nInIdx === 1) {
nMod3 = 0;
while (nMod3 < 3 && nOutIdx < nOutLen) {
taBytes[nOutIdx] = (nUint24 >>> ((16 >>> nMod3) & 24)) & 255;
nMod3++;
nOutIdx++;
}
nUint24 = 0;
}
}
return taBytes;
},
//Uint8Array编码成Base64
encodeFromUint8Array: function base64EncArr(aBytes) {
function uint6ToB64(nUint6) {
return nUint6 < 26
? nUint6 + 65
: nUint6 < 52
? nUint6 + 71
: nUint6 < 62
? nUint6 - 4
: nUint6 === 62
? 43
: nUint6 === 63
? 47
: 65;
}
let nMod3 = 2;
let sB64Enc = "";
const nLen = aBytes.length;
let nUint24 = 0;
for (let nIdx = 0; nIdx < nLen; nIdx++) {
nMod3 = nIdx % 3;
// To break your base64 into several 80-character lines, add:
// if (nIdx > 0 && ((nIdx * 4) / 3) % 76 === 0) {
// sB64Enc += "\r\n";
// }
nUint24 |= aBytes[nIdx] << ((16 >>> nMod3) & 24);
if (nMod3 === 2 || aBytes.length - nIdx === 1) {
sB64Enc += String.fromCodePoint(
uint6ToB64((nUint24 >>> 18) & 63),
uint6ToB64((nUint24 >>> 12) & 63),
uint6ToB64((nUint24 >>> 6) & 63),
uint6ToB64(nUint24 & 63)
);
nUint24 = 0;
}
}
return (
sB64Enc.substring(0, sB64Enc.length - 2 + nMod3) +
(nMod3 === 2 ? "" : nMod3 === 1 ? "=" : "==")
);
}
}
//Buffer转16进制字符串
Uint8Array.prototype.toHex = function() {
return [...this].map(n=>n.toString(16).padStart(2,'0')).join('');

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@ -7,6 +7,7 @@ let currentPlayerData; //当前玩家数据
let markedFilter = []; //收藏的特殊搜索
let defaultLevel = 99; //默认等级
const teamBigBoxs = []; //储存全部teamBigBox
const allMembers = []; //储存所有成员,包含辅助
@ -299,7 +300,7 @@ MemberTeam.prototype.loadFromMember = function(m) {
if (m.skilllevel != undefined) this.skilllevel = m.skilllevel;
};
var Formation = function(teamCount, memberCount) {
let Formation = function(teamCount, memberCount) {
this.title = "";
this.detail = "";
this.teams = [];
@ -329,10 +330,12 @@ var Formation = function(teamCount, memberCount) {
this.teams.push(team);
}
};
//初始化队伍结构
let formation = new Formation(teamsCount, teamsCount == 2 ? 5 : 6);
Formation.prototype.outObj = function() {
const obj = {};
if (this.title != undefined && this.title.length > 0) obj.t = this.title;
if (this.detail != undefined && this.detail.length > 0) obj.d = this.detail;
if (this?.title?.length > 0) obj.t = this.title;
if (this?.detail?.length > 0) obj.d = this.detail;
obj.f = this.teams.map(t => {
const teamArr = [];
teamArr[0] = t[0].map(m =>

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@ -26,9 +26,6 @@ const teamsCount = 1;
<script type="text/javascript" src="library/jy4340132-aaa/pcm_player.js"></script>
<script type="text/javascript" src="library/jy4340132-aaa/adpcm.js"></script>
<!--▲ADPCM播放相关-->
<script type="text/javascript">
var formation = new Formation(teamsCount,6);
</script>
</head>
<body class="solo">

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@ -26,9 +26,6 @@ const teamsCount = 3;
<script type="text/javascript" src="library/jy4340132-aaa/pcm_player.js"></script>
<script type="text/javascript" src="library/jy4340132-aaa/adpcm.js"></script>
<!--▲ADPCM播放相关-->
<script type="text/javascript">
var formation = new Formation(teamsCount,6);
</script>
<style type="text/css">
.formation-box{
width: calc(var(--head-block-width) * 7);