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json_formatter.html
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json_formatter.html
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<!DOCTYPE html>
<html>
<head>
<meta charset="UTF-8">
<title>JSON Formatter</title>
<style type="text/css">
body {
font-size: 14px;
}
ul {
padding: 0px;
margin: 0px 0px 0px 26px;
list-style-type: none;
}
li {
position: relative;
}
.hoverable {
-webkit-transition: background-color .2s ease-out 0s;
display: inline-block;
}
.hovered {
-webkit-transition-delay: .2s;
}
.collapsed>.collapsible {
display: none;
}
.ellipsis {
display: none;
}
.collapsed>.ellipsis {
display: inherit;
}
.collapser {
position: absolute;
top: 1px;
left: -1.5em;
cursor: default;
-webkit-user-select: ignore;
}
.toolbox {
opacity: .45;
background-color: #FF80FF;
position: absolute;
right: 0px;
top: 0px;
border-color: #c2c2c2;
border-width: 0 0 1px 1px;
border-style: solid;
border-bottom-left-radius: 4px;
padding-bottom: 3px;
padding-left: 2px;
-webkit-transition: opacity .4s ease-out;
-webkit-user-select: none;
cursor: default;
}
.toolbox:hover {
opacity: 1;
}
.toolbox>* {
padding-left: 3px;
padding-right: 3px;
}
.property {
font-weight: bold;
}
.type-null {
color: gray;
}
.type-boolean {
color: firebrick;
}
.type-number {
color: blue;
}
.type-string {
color: green;
}
.collapser:after {
content: "-";
}
.collapsed>.collapser:after {
content: "+";
}
.ellipsis:after {
content: " … ";
}
.collapsible {
margin-left: 2em;
}
.hoverable {
padding-top: 1px 2px;
border-radius: 2px;
}
.hovered {
background-color: rgba(255, 191, 223, 1);
}
.collapser {
padding-right: 10px;
padding-left: 6px;
}
#wrapper {
position: absolute;
top: 0;
right: 0;
bottom: 0;
left: 0;
}
#wrapper>table {
width: 100%;
height: 100%;
table-layout: fixed;
border: 1px solid gray;
background: lightgray;
}
#wrapper>table td {
border: 1px solid gray;
}
.row1 {
height: 30px;
}
.row2 {
height: 20px;
}
.row3 {
height: 100%;
vertical-align: top;
}
#jsonText {
width: 99%;
height: 100%;
overflow: auto;
}
#jsonHtml {
width: 100%;
height: 100%;
overflow: auto;
position: relative;
height: 100%;
overflow: auto;
overflow: auto;
}
.json-cell {
padding: 0px;
}
.html-cell {
background: #fff;
}
</style>
</head>
<body onload="startup();">
<div id="wrapper">
<table>
<col width="50%">
<col width="50%">
<tr class="row1">
<td>
<input type="button" value="格式化(B)" id="btnFormat" accesskey="b">
<input type="button" value="清空(C)" id="btnClear" accesskey="c">
</td>
<td align="right">
<label for="cbSort"><input type="checkbox" value="排序" id="cbSort" checked="checked" accesskey="s">排序(S)</label>
</td>
</tr>
<tr class="row2">
<td>JSON：</td>
<td>HTML：</td>
</tr>
<tr class="row3">
<td class="json-cell"><textarea id="jsonText" rows="15" wrap="off"></textarea></td>
<td class="html-cell"><div id="jsonHtml"></div></td>
</tr>
</table>
</div>
<script type="text/javascript">
var formatter = (function() {
function htmlEncode(t) {
if (t == null) {
return '';
} else {
var o = {
'&' : '&',
'"' : '"',
'<' : '<',
'>' : '>'
}, s = t.toString(), p;
for (p in o) {
s = s.replace(new RegExp(p, 'g'), o[p]);
}
return s;
}
}
function decorateWithSpan(value, className) {
return '<span class="' + className + '">' + htmlEncode(value) + '</span>';
}
function keysOf(object) {
var keys = Object.keys ? Object.keys(object) : (function(o, p, keys){
keys = [];
for (p in o) {
keys.push(p);
}
return keys;
})(object);
if ($('cbSort').checked) {
keys.sort();
}
return keys;
}
function valueToHTML(value) {
var valueType = typeof value, output = '';
if (value == null) {
output += decorateWithSpan('null', 'type-null');
} else if (value && value.constructor == Array) {
output += arrayToHTML(value);
} else if (valueType == 'object') {
output += objectToHTML(value);
} else if (valueType == 'number') {
output += decorateWithSpan(value, 'type-number');
} else if (valueType == 'string') {
if (/^(http|https|ftp|file):\/\/[^\s]+$/.test(value)) {
output += decorateWithSpan('"', 'type-string');
output += '<a href="' + value + '">' + htmlEncode(value) + '</a>';
output += decorateWithSpan('"', 'type-string');
} else {
output += decorateWithSpan('"' + value + '"', 'type-string');
}
} else if (valueType == 'boolean') {
output += decorateWithSpan(value, 'type-boolean');
}
return output;
}
function arrayToHTML(json) {
var i, length, hasContents = false;
var output = '<div class="collapser"></div>[<span class="ellipsis"></span>'
+ '<ul class="array collapsible">';
for (i = 0, length = json.length; i < length; i++) {
hasContents = true;
output += '<li><div class="hoverable">';
output += valueToHTML(json[i]);
if (i < length - 1) {
output += ',';
}
output += '</div></li>';
}
output += '</ul>]';
if (!hasContents) {
output = '[ ]';
}
return output;
}
function objectToHTML(json) {
var i, key, length, keys = keysOf(json), hasContents = false;
var output = '<div class="collapser"></div>{<span class="ellipsis"></span>'
+ '<ul class="obj collapsible">';
for (i = 0, length = keys.length; i < length; i++) {
key = keys[i];
hasContents = true;
output += '<li><div class="hoverable">';
output += '<span class="property">' + htmlEncode(key) + '</span>: ';
output += valueToHTML(json[key]);
if (i < length - 1) {
output += ',';
}
output += '</div></li>';
}
output += '</ul>}';
if (!hasContents) {
output = '{ }';
}
return output;
}
var _NEW_LINE = '\n', _PRINT_INDENT = '\t';
var m = {
'\b': '\\b',
'\t': '\\t',
'\n': '\\n',
'\f': '\\f',
'\r': '\\r',
'"' : '\\"',
'\\': '\\\\'
};
return {
jsonToHTML : function(json) {
var output = '<div id="json">';
output += valueToHTML(json);
output += '</div>';
return output;
},
jsonToString : function(json, _level) {
var t = typeof (json);
if (_level === undefined) {
_level = 0;
} else {
++_level;
}
if (t == 'object') { // Object|Array|null
if (json == null)
return 'null';
else if (json instanceof Date)
return '"' + json.toLocaleString() + '"';
var indent = _PRINT_INDENT;
var l = _level;
while (l--) {
indent += _PRINT_INDENT;
}
var isArray = json instanceof Array;
if (isArray) {
var s = '[' + _NEW_LINE, len = json.length, i, v;
for (i = 0; i < len; i++) {
v = this.jsonToString(json[i], _level);
s += indent + v + ',' + _NEW_LINE;
}
if (len > 0) {
s = s.substring(0, s.length - (',' + _NEW_LINE).length) + _NEW_LINE;
}
s += indent.substring(0, (indent.length - _PRINT_INDENT.length)) + ']';
return s;
} else {
var s = '{' + _NEW_LINE, hasProp = false, count = 0, pp, v;
var keys = keysOf(json), key, i, length;
for (i = 0, length = keys.length; i < length; i++) {
key = keys[i];
pp = '"' + key + '"';
v = this.jsonToString(json[key], _level);
s += indent + pp + ': ' + v + ',' + _NEW_LINE;
hasProp = true;
}
if (hasProp) {
s = s.substring(0, s.length - (',' + _NEW_LINE).length) + _NEW_LINE;
}
s += indent.substring(0, (indent.length - _PRINT_INDENT.length)) + '}';
return s;
}
} else if (t == 'function') { // Function
var s = json.toString();
// return s.replace(/\n|\r/gm, ' ');
return 'function() { /*...*/ }';
} else if (t == 'undefined') { // Undefined
return 'undefined';
} else if (t == 'string') { // String
if (/["\\\x00-\x1f]/.test(json)) {
json = json.replace(/([\x00-\x1f\\"])/g, function(a, b) {
var c = m[b];
if (c) {
return c;
}
c = b.charCodeAt();
return '\\u00' + Math.floor(c / 16).toString(16) + (c % 16).toString(16);
});
}
return '"' + json + '"';
} else { // Number|Boolean
return '' + json;
}
}
};
})(),
addEventHandler = document.addEventListener ? function(el, type, fn, cap) {
if (!el) {
return;
} else if (el.addEventListener) {
el.addEventListener(type, fn, !!cap);
} else {
el['on' + type] = fn;
}
} : function(el, type, fn) {
if (!el) {
return;
} else if (el.attachEvent) {
el.attachEvent('on' + type, fn);
} else {
el['on' + type] = fn;
}
},
removeEventHandler = document.removeEventListener ? function(el, type, fn, cap) {
if (!el) {
return;
} else if (el.removeEventListener) {
el.removeEventListener(type, fn, !!cap);
} else {
el['on' + type] = null;
}
} : function(el, type, fn) {
if (!el) {
return;
} else if (el.detachEvent) {
el.detachEvent('on' + type, fn);
} else {
el['on' + type] = null;
}
},
getElementsByClassName = document.getElementsByClassName ? function(clzName, rootNode, tag) {
var ret = [], nodes = (rootNode || document).getElementsByClassName(clzName), i = 0, node;
tag = tag ? tag.toUpperCase() : '*';
for (; node = nodes[i++];) {
if (tag === '*' || node.tagName === tag) {
ret.push(node);
}
}
return ret;
} : function(clzName, rootNode, tag) {
var ret = [], names = clzName.split(/[ ]+/), len = names.length, i = len;
var nodes = (rootNode || document).getElementsByTagName(tag || '*'), j = 0;
var patterns = [], node, nodeClz, match, k;
while (--i > -1) {
patterns.push(new RegExp('(^|\\s)' + names[i] + '(\\s|$)'));
}
for (; node = nodes[j++];) {
match = false;
nodeClz = node.className;
for (k = 0; k < len; k++) {
if (!(match = patterns[k].test(nodeClz))) {
break;
}
}
if (match) {
ret.push(node);
}
}
return ret;
},
hasClass = function(elem, value) {
var elemClass = elem && elem.className;
if (elemClass) {
var classNames = (value + '').split(/[\.\s]\s*\.?/), cl = classNames.length;
var SPACE = ' ', clzName = SPACE + elemClass + SPACE, j = 0, ret = cl && true;
for (; j < cl; j++) {
if (clzName.indexOf(SPACE + classNames[j] + SPACE) < 0) {
ret = false;
break;
}
}
if (ret) {
return true;
}
}
return false;
},
addClass = function(elem, value) {
if (!elem) {
return;
}
var elemClass = elem.className;
if (!elemClass) {
elem.className = value;
} else {
var classNames = (value + '').split(/[\.\s]\s*\.?/), cl = classNames.length;
var SPACE = ' ', clzName = SPACE + elemClass + SPACE, setClass = elemClass, j = 0;
for (; j < cl; j++) {
if (clzName.indexOf(SPACE + classNames[j] + SPACE) < 0) {
setClass += SPACE + classNames[j];
}
}
elem.className = setClass.replace(/^\s+|\s+$/g, '');
}
},
removeClass = function(elem, value) {
if (!elem || !elem.className) {
return;
}
var elemClass = elem.className;
var classNames = (value + '').split(/[\.\s]\s*\.?/), cl = classNames.length;
if (!cl) {
elem.className = '';
} else {
var SPACE = ' ', clzName = (SPACE + elemClass + SPACE).replace(/[\n\t]/g, SPACE), j = 0, needle;
for (; j < cl; j++) {
needle = SPACE + classNames[j] + SPACE;
while (clzName.indexOf(needle) >= 0) {
clzName = clzName.replace(needle, SPACE);
}
}
elem.className = clzName.replace(/^\s+|\s+$/g, '');
}
},
forEach = function(o, cb, s) {
var n, l;
if (!o) {
return 0;
}
s = s || o;
if (o.length !== undefined) {
for (n = 0, l = o.length; n < l; n++) {
if (cb.call(s, o[n], n, o) === false)
return 0;
}
} else {
for (n in o) {
if (o.hasOwnProperty(n)) {
if (cb.call(s, o[n], n, o) === false)
return 0;
}
}
}
return 1;
},
indexOf = function(item, array, i) {
var len;
if (array) {
if (Array.prototype.indexOf) {
return Array.prototype.indexOf.call(array, item, i);
}
len = array.length;
i = i ? i < 0 ? Math.max(0, len + i) : i : 0;
for (; i < len; i++) {
// Skip accessing in sparse arrays
if (i in array && array[i] === item) {
return i;
}
}
}
return -1;
}, formatCount = 0;
function $(id) {
return document.getElementById(id);
}
function startup() {
$('btnClear').onclick = function() {
$('jsonText').value = '';
$('jsonHtml').innerHTML = '';
$('jsonText').focus();
};
$('btnFormat').onclick = function() {
try {
var data = $('jsonText').value, json;
if (!data) {
return;
}
json = eval('(' + data + ')');
$('jsonText').value = formatter.jsonToString(json);
} catch (e) {
alert('Parse json error: ' + e.message);
return;
}
var html, parentElement, toolboxElement, expandElement, reduceElement, collapsers;
html = formatter.jsonToHTML(json);
parentElement = $('jsonHtml');
parentElement.innerHTML = html;
//
toolboxElement = document.createElement('div');
toolboxElement.className = 'toolbox';
expandElement = document.createElement('span');
expandElement.title = 'expand all';
expandElement.innerText = '+';
reduceElement = document.createElement('span');
reduceElement.title = 'reduce all';
reduceElement.innerText = '-';
toolboxElement.appendChild(expandElement);
toolboxElement.appendChild(reduceElement);
parentElement.appendChild(toolboxElement);
formatCount++;
if (formatCount === 1) { // 仅需绑定一次
// 内部对象的“折叠/展开”
addEventHandler(parentElement, 'click', function(event) {
var collapsed, ev = event || window.event, target = ev.target || ev.srcElement;
if (target.className == 'collapser') {
collapsed = getElementsByClassName('collapsible', target.parentNode)[0];
if (hasClass(collapsed.parentNode, 'collapsed')) {
removeClass(collapsed.parentNode, 'collapsed');
} else {
addClass(collapsed.parentNode, 'collapsed');
}
}
}, false);
// 单一key/value区域高亮
addEventHandler(parentElement, 'mouseover', (function() {
var lastLI;
function onmouseOut() {
if (lastLI) {
removeClass(lastLI.firstChild, 'hovered');
lastLI = null;
}
}
return function(event) {
var ev = event || window.event, target = ev.target || ev.srcElement;
var element = target, str = '';
if (element.tagName != 'LI') {
while (element && element.tagName != 'LI') {
element = element.parentNode;
}
if (element && element.tagName == 'LI') {
if (lastLI && element != lastLI) {
removeClass(lastLI.firstChild, 'hovered');
}
addClass(element.firstChild, 'hovered');
lastLI = element;
do {
if (hasClass(element.parentNode, 'array')) {
var index = indexOf(element, element.parentNode.children);
str = '[' + index + ']' + str;
}
if (hasClass(element.parentNode, 'obj')) {
str = '.' + element.firstChild.firstChild.innerText + str;
}
element = element.parentNode.parentNode.parentNode;
} while (element.tagName == 'LI');
if (str.charAt(0) == '.') {
str = str.substring(1);
}
return;
}
}
onmouseOut();
};
})(), false);
}
//
collapsers = document.querySelectorAll('#json .collapsible .collapsible');
// 展开所有内部对象
addEventHandler(expandElement, 'click', function() {
forEach(collapsers, function(collapsed) {
if (hasClass(collapsed.parentNode, 'collapsed')) {
removeClass(collapsed.parentNode, 'collapsed');
}
});
}, false);
// 折叠所有内部对象
addEventHandler(reduceElement, 'click', function() {
forEach(collapsers, function(collapsed) {
if (!hasClass(collapsed.parentNode, 'collapsed')) {
addClass(collapsed.parentNode, 'collapsed');
}
});
}, false);
};
$('jsonText').focus();
}
</script>
<!-- UY BEGIN -->
<div id="uyan_frame"></div>
<script type="text/javascript" id="UYScript" src="http://v1.uyan.cc/js/iframe.js?UYUserId=1640483" async=""></script>
<!-- UY END -->
</body>
</html>