常用的PHP/JS-HTML转换函数

HTML转换函数

function ChangeString(str)
    {
    str = str_replace("<","&lt;",str);
    str = str_replace(">","&gt;",str);
    str = str_replace(" ","&nbsp;",str);
    str = str_replace("\n","<br>",str);
    str = str_replace("&","&amp;",str);
    return str;
}

js字符过滤html标签互转函数

function htmlencode(str) {
     str = str.replace(/&/g, '&');
     str = str.replace(/</g, '&lt;');
     str = str.replace(/>/g, '&gt;');
     str = str.replace(/(?:t| |v|r)*n/g, '<br />');
     str = str.replace(/  /g, '&nbsp; ');
     str = str.replace(/t/g, '&nbsp; &nbsp; ');
     str = str.replace(/x22/g, '&quot;');
     str = str.replace(/x27/g, '&#39;');
     return str;
}

function htmldecode(str) {
     str = str.replace(/&amp;/gi, '&');
     str = str.replace(/&nbsp;/gi, ' ');
     str = str.replace(/&quot;/gi, '"');
     str = str.replace(/&#39;/g, "'");
     str = str.replace(/&lt;/gi, '<');
     str = str.replace(/&gt;/gi, '>');
     str = str.replace(/<br[^>]*>(?:(rn)|r|n)?/gi, 'n');
     return str;
}

function textencode(str) {
     str = str.replace(/&amp;/gi, '&');
     str = str.replace(/</g, '&lt;');
     str = str.replace(/>/g, '&gt;');
     return str;
}

function textdecode(str) {
     str = str.replace(/&amp;/gi, '&');
     str = str.replace(/&lt;/gi, '<');
     str = str.replace(/&gt;/gi, '>');
     return str;
}

标签: 字符转换

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