2025年html在线字符转义工具,用Javascript（js）进行HTML转义工具（处理特殊字符显示）...

科技前沿 • 2025-01-11 07:29 • 阅读 62

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$package("js.lang"); // 没有包管理时，也可简单写成 js = {lang:{}};

js.lang.String = function(){

this.REGX_HTML_ENCODE = /"|&|'||[\x00-\x20]|[\x7F-\xFF]|[\u0100-\u2700]/g;

this.REGX_HTML_DECODE = /&\w+;|(\d+);/g;

this.REGX_TRIM = /(^\s*)|(\s*$)/g;

this.HTML_DECODE = {

">" : ">",

"&" : "&",

" ": " ",

""": "\"",

"©": ""

// Add more

};

this.encodeHtml = function(s){

s = (s != undefined) ? s : this.toString();

return (typeof s != "string") ? s :

s.replace(this.REGX_HTML_ENCODE,

function($0){

var c = $0.charCodeAt(0), r = [""];

c = (c == 0x20) ? 0xA0 : c;

r.push(c); r.push(";");

return r.join("");

});

};

this.decodeHtml = function(s){

var HTML_DECODE = this.HTML_DECODE;

s = (s != undefined) ? s : this.toString();

return (typeof s != "string") ? s :

s.replace(this.REGX_HTML_DECODE,

function($0, $1){

var c = HTML_DECODE[$0];

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if(c == undefined){

// Maybe is Entity Number

if(!isNaN($1)){

c = String.fromCharCode(($1 == 160) ? 32:$1);

}else{

c = $0;

}

return c;

});

};

this.trim = function(s){

s = (s != undefined) ? s : this.toString();

return (typeof s != "string") ? s :

s.replace(this.REGX_TRIM, "");

};

this.hashCode = function(){

var hash = this.__hash__, _char;

if(hash == undefined || hash == 0){

hash = 0;

for (var i = 0, len=this.length; i < len; i++) {

_char = this.charCodeAt(i);

hash = 31*hash + _char;

hash = hash & hash; // Convert to 32bit integer

}

hash = hash & 0x7fffffff;

}

this.__hash__ = hash;

return this.__hash__;

};

js.lang.String.call(js.lang.String);

2025年html在线字符转义工具,用Javascript（js）进行HTML转义工具（处理特殊字符显示）...

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