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liuxd/getEncodeStr.html

Last active September 7, 2017 01:27
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[getEncodeStr] 获得多种编码下的浏览器编码结果。
Raw
getEncodeStr.html
<html>
<script>
parent._urlEncode_iframe_callback && parent._urlEncode_iframe_callback(location.search.split('=')[1]);
</script>
</html>
Raw
index.html
<html>
<head>
<meta http-equiv="content-type" content="text/html;charset=utf-8" />
<meta http-equiv="X-UA-Compatible" content="IE=edge,chrome=1" />
</head>
<body>
<input type="text" id="input" value="中文">
<input type="button" id="btn" value="urlencode">
<select id="charset">
<option value="gbk">gbk</option>
<option value="big5">big5</option>
<option value="utf-8">utf-8</option>
</select>
<div>
编码结果：
<textarea style="display: block" id="output"></textarea>
</div>
<div>
解码： <input type="button" id="deBtn" value="urldecode">
<textarea style="display: block" id="outputDecode"></textarea>
</div>
<!--<img src="data:text/javascript;charset=gbk,window.a='%D6%D0%CE%C4'" id="d">-->
<!--<script charset="gbk" src="data:text/javascript;charset=gbk,alert('%CE%C4')"></script>-->
<script>
/*
var s=document.createElement('script');
s.charset='gbk';
var src=document.getElementById('d').src;
alert(src);
s.src=src;
document.body.appendChild(s);
setTimeout(function(){
alert(window.a)
},300)
*/
function urlencode(str, charset, callback) {
//创建form通过accept-charset做encode
var form = document.createElement('form');
form.method = 'get';
form.style.display = 'none';
form.acceptCharset = charset;
if (document.all) {
//如果是IE那么就调用document.charset方法
window.oldCharset = document.charset;
document.charset = charset;
}
var input = document.createElement('input');
input.type = 'hidden';
input.name = 'str';
input.value = str;
form.appendChild(input);
form.target = '_urlEncode_iframe_';
document.body.appendChild(form);
//隐藏iframe截获提交的字符串
if (!window['_urlEncode_iframe_']) {
var iframe;
if(document.all){
try{
iframe = document.createElement('<iframe name="_urlEncode_iframe_"></iframe>');
}catch(e){
iframe = document.createElement('iframe');
//iframe.name = '_urlEncode_iframe_';
iframe.setAttribute('name', '_urlEncode_iframe_');
}
}else{
iframe = document.createElement('iframe');
//iframe.name = '_urlEncode_iframe_';
iframe.setAttribute('name', '_urlEncode_iframe_');
}
iframe.style.display = 'none';
iframe.width = "0";
iframe.height = "0";
iframe.scrolling = "no";
iframe.allowtransparency = "true";
iframe.frameborder = "0";
iframe.src = 'about:blank';
document.body.appendChild(iframe);
}
//
window._urlEncode_iframe_callback = function(str) {
console.log(str);
callback(str);
if (document.all) {
document.charset = window.oldCharset;
}
}
//设置回调编码页面的地址，这里需要用户修改
form.action = 'getEncodeStr.html';
form.submit();
setTimeout(function() {
form.parentNode.removeChild(form);
iframe.parentNode.removeChild(iframe);
}, 500)
}
function urldecode(str, charset, callback) {
var script = document.createElement('script');
script.id = '_urlDecodeFn_';
window._urlDecodeFn_ = callback;
if (document.all) {
if(navigator.userAgent.indexOf('MSIE 8')>-1){
//对于ie8做特别hack
var link = document.createElement('link');
link.rel = 'stylesheet';
link.type = 'text/css';
link.charset = charset;
link.href = 'data:text/plain;charset=' + charset + ',%23_decode_hidden_el_for_test_%7Bbackground-image%3Aurl(' + str + ')%7D';
alert(link.href);
document.body.appendChild(link);
//然后创建一个隐藏的div，应用这个样式
var div = document.createElement('div');
div.id = '_decode_hidden_el_for_test_';
div.style.display = 'none';
document.body.appendChild(div);
setTimeout(function(){
callback(document.getElementById('_decode_hidden_el_for_test_').currentStyle['backgroundImage'].match(/\("data\:text\/(.+)"\)/)[1]);
link.parentNode.removeChild(link);
div.parentNode.removeChild(div);
}, 300)
}else{
//隐藏iframe截获提交的字符串
if (!window['_urlDecode_iframe_']) {
var iframe;
if(document.all){
try{
iframe = document.createElement('<iframe name="_urlDecode_iframe_"></iframe>');
}catch(e){
iframe = document.createElement('iframe');
//iframe.name = '_urlDecode_iframe_';
iframe.setAttribute('name', '_urlDecode_iframe_');
}
}else{
iframe = document.createElement('iframe');
//iframe.name = '_urlDecode_iframe_';
iframe.setAttribute('name', '_urlDecode_iframe_');
}
//iframe.name = '_urlDecode_iframe_';
iframe.setAttribute('name', '_urlDecode_iframe_');
iframe.style.display = 'none';
iframe.width = "0";
iframe.height = "0";
iframe.scrolling = "no";
iframe.allowtransparency = "true";
iframe.frameborder = "0";
iframe.src = 'about:blank';
document.body.appendChild(iframe);
}
//ie下需要指明charset，然后src=datauri才可以
iframe.contentWindow.document.write('<html><scrip' + 't charset="gbk" src="data:text/javascript;charset=gbk,parent._decodeStr_=\'' + str + '\'"></s'+'cript></html>');
setTimeout(function() {
callback(_decodeStr_);
iframe.parentNode.removeChild(iframe);
}, 300)
}
} else {
var src = 'data:text/javascript;charset=' + charset + ',_urlDecodeFn_("' + str + '");';
src += 'document.getElementById("_urlDecodeFn_").parentNode.removeChild(document.getElementById("_urlDecodeFn_"));';
script.src = src;
document.body.appendChild(script);
}
}
/**编码和解码
*/
document.getElementById('btn').onclick = function() {
urlencode(document.getElementById('input').value, document.getElementById('charset').value, function(str) {
document.getElementById('output').value = str;
})
}
document.getElementById('deBtn').onclick = function() {
urldecode(document.getElementById('output').value, document.getElementById('charset').value, function(str) {
document.getElementById('outputDecode').value = str;
})
}
</script>
</body>
</html>
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