基于JSONView的JSON格式化脚本，方便查看json数据
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// ==UserScript==
// @name JsonView格式化
// @namespace https://greasyfork.org/zh-CN/scripts/27421-jsonview%E6%A0%BC%E5%BC%8F%E5%8C%96
// @version 0.0.5
// @description 基于JSONView的JSON格式化脚本，方便查看json数据
// @author 王洋
// @match http*://*/*
//@required http://apps.bdimg.com/libs/jquery/2.1.4/jquery.min.js
//@license The MIT License (MIT); http://opensource.org/licenses/MIT
// ==/UserScript==
(function() {
'use strict';
//CSS样式
var style ='body {font-family: sans-serif;}' +
'.prop {font-weight: bold;}' +
'.null {color: red;}' +
'.bool {color: blue;}' +
'.num {color: blue;}' +
'.string {color: green;}' +
'.collapser {position: absolute; left: -1em; cursor: pointer;}' +
'li {position: relative;}' +
'li:after {content: ",";}' +
'li:last-child:after {content: "";}' +
'#error {-moz-border-radius: 8px; border: 1px solid #970000; background-color: #F7E8E8; margin: .5em; padding: .5em;}' +
'.errormessage {font-family: monospace; }' +
'#json {font-family: monospace; font-size: 1.1em;}' +
'ul {list-style: none; margin: 0 0 0 2em; padding: 0;}' +
'h1 {font-size: 1.2em;}' +
'.callback + #json {padding-left: 1em;}' +
'.callback {font-family: monospace; color: #A52A2A;}';
//JS脚本
var defaultJs =
'document.addEventListener("DOMContentLoaded", function() {' +
'function collapse(evt) {' +
'var collapser = evt.target;' +
'var target = collapser.parentNode.getElementsByClassName("collapsible");' +
'if ( ! target.length ) {return;}' +
'target = target[0];' +
' if ( target.style.display == "none" ) {' +
'var ellipsis = target.parentNode.getElementsByClassName("ellipsis")[0];' +
'target.parentNode.removeChild(ellipsis);' +
'target.style.display = "";' +
'} else {' +
'target.style.display = "none";' +
'var ellipsis = document.createElement("span");' +
'ellipsis.className = "ellipsis";' +
'ellipsis.innerHTML = " … ";' +
'target.parentNode.insertBefore(ellipsis, target);' +
'}' +
'collapser.innerHTML = ( collapser.innerHTML == "-" ) ? "+" : "-";' +
'}' +
'function addCollapser(item) {' +
'if ( item.nodeName != "LI" ) {' +
'return;' +
'}' +
'var collapser = document.createElement("div");' +
'collapser.className = "collapser";' +
'collapser.innerHTML = "-";' +
'collapser.addEventListener("click", collapse, false);' +
'item.insertBefore(collapser, item.firstChild);' +
'}' +
'var items = document.getElementsByClassName("collapsible");' +
'for( var i = 0; i < items.length; i++) {' +
' addCollapser(items[i].parentNode);' +
'}' +
'}, false);';
function htmlEncode(t) {
return t;
}
function decorateWithSpan(value, className) {
return '<span class="' + className + '">' + htmlEncode(value) + '</span>';
}
// Convert a basic JSON datatype (number, string, boolean, null, object, array) into an HTML fragment.
function valueToHTML(value) {
var valueType = typeof value;
var output = "";
if (value == null) {
output += decorateWithSpan('null', 'null');
} else if (value && value.constructor == Array) {
output += arrayToHTML(value);
} else if (valueType == 'object') {
output += objectToHTML(value);
} else if (valueType == 'number') {
output += decorateWithSpan(value, 'num');
} else if (valueType == 'string') {
if (/^(http|https):\/\/[^\s]+$/.test(value)) {
value = htmlEncode(value);
output += '<a href="' + value + '">' + value + '</a>';
} else {
output += decorateWithSpan('"' + value + '"', 'string');
}
} else if (valueType == 'boolean') {
output += decorateWithSpan(value, 'bool');
}
return output;
}
// Convert an array into an HTML fragment
function arrayToHTML(json) {
var output = '[<ul class="array collapsible">';
var hasContents = false;
for (var prop in json) {
hasContents = true;
output += '<li>';
output += valueToHTML(json[prop]);
output += '</li>';
}
output += '</ul>]';
if (!hasContents) {
output = "[ ]";
}
return output;
}
// Convert a JSON object to an HTML fragment
function objectToHTML(json) {
var output = '{<ul class="obj collapsible">';
var hasContents = false;
for (var prop in json) {
hasContents = true;
output += '<li>';
output += '<span class="prop">' + htmlEncode(prop) + '</span>: ';
output += valueToHTML(json[prop]);
output += '</li>';
}
output += '</ul>}';
if (!hasContents) {
output = "{ }";
}
return output;
}
// Convert a whole JSON object into a formatted HTML document.
function jsonToHTML(json, callback, uri) {
var output = '';
if (callback) {
output += '<div class="callback">' + callback + ' (</div>';
output += '<div id="json">';
} else {
output += '<div id="json">';
}
output += valueToHTML(json);
output += '</div>';
if (callback) {
output += '<div class="callback">)</div>';
}
return toHTML(output, uri);
}
// Produce an error document for when parsing fails.
function errorPage(error, data, uri) {
var output = '<div id="error">Error parsing JSON: ' + error.message + '</div>';
output += '<h1>' + error.stack + ':</h1>';
output += '<div id="json">' + htmlEncode(data) + '</div>';
return toHTML(output, uri + ' - Error');
}
// Wrap the HTML fragment in a full document. Used by jsonToHTML and errorPage.
function toHTML(content, title) {
return '<doctype html>' +
'<html><head><title>' + title + '</title>' +
'<style type="text/css">' +
style +
'</style>' +
'<script type="text/javascript">' +
defaultJs +
'</script>' +
'</head><body>' +
content +
'</body></html>';
}
//格式化函数
function formateJSON() {
var data = document.body.innerHTML;
var uri = document.location.href;
data = data.replace(/<(?:.|\s)*?>/g, ''); //Aggressively strip HTML.
// Test if what remains is JSON or JSONp
var json_regex = /^\s*([\[\{].*[\}\]])\s*$/; // Ghetto, but it works
var jsonp_regex = /^[\s\u200B\uFEFF]*([\w$\[\]\.]+)[\s\u200B\uFEFF]*\([\s\u200B\uFEFF]*([\[{][\s\S]*[\]}])[\s\u200B\uFEFF]*\);?[\s\u200B\uFEFF]*$/;
var jsonp_regex2 = /([\[\{][\s\S]*[\]\}])\)/;
var is_json = json_regex.test(data);
var is_jsonp = jsonp_regex.test(data);
console.log("JSONView: is_json=" + is_json + " is_jsonp=" + is_jsonp);
if (is_json || is_jsonp) {
console.log("JSONView: sexytime!");
// Sanitize & output -- all magic from JSONView Firefox
var outputDoc = '';
// text = text.match(jsonp_regex)[1];
var cleanData = '',
callback = '';
var callback_results = jsonp_regex.exec(data);
if (callback_results && callback_results.length == 3) {
console.log("THIS IS JSONp");
callback = callback_results[1];
cleanData = callback_results[2];
} else {
console.log("Vanilla JSON");
cleanData = data;
}
console.log(cleanData);
// Covert, and catch exceptions on failure
try {
// var jsonObj = this.nativeJSON.decode(cleanData);
var jsonObj = JSON.parse(cleanData);
if (jsonObj) {
outputDoc = jsonToHTML(jsonObj, callback, uri);
console.log(outputDoc);
} else {
throw "There was no object!";
}
} catch (e) {
console.log(e);
alert(e);
return;
//关闭错误输出页面
//outputDoc = errorPage(e, data, uri);
}
var links = '<style type="text/css">' +
style +
'</style>' +
'<script type="text/javascript">' +
defaultJs +
'</script>';
document.body.innerHTML = links + outputDoc;
}
}
//执行格式化脚本
formateJSON();
})();