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v2ex显示图片，将a链接的图片转为直接显示
// ==UserScript==
// @name v2ex显示图片 v2ex.com
// @description v2ex显示图片，将a链接的图片转为直接显示
// @include https://www.v2ex.com/t/*
// @require https://code.jquery.com/jquery-3.1.1.min.js
// @grant aogg
// @version 1.2.3
// @namespace https://greasyfork.org/users/25818
// ==/UserScript==
var a = $('#Main .box>.cell a[rel="nofollow"]');
var a_img = a.filter('[href$=".jpg"],[href$=".JPG"],[href$=".png"],[href$=".PNG"],[href$=".gif"],[href$=".GIF"]');
a_img.each(function(i){
if (0){
this.innerHTML = '<img src="'+this.href+'" class="embedded_image" border="0" onerror="this.parentNode.innerHTML = this.src" />';
}else{
// 防盗链破解
var url = this.href,
frameid = 'frameimg' + Math.random(),
imgRandom = 0?Math.random():'',
e = $(this);
var html = ('<script>var iframeImg'+i+' = \'<img width="100%" id="img" src="'+url+'?'+imgRandom+'" onerror="parent.document.getElementById(\\\''+frameid+'\\\').parentNode.innerHTML = \\\''+url+'\\\'; " />'+
'<script>window.onload = function() { parent.document.getElementById("'+frameid+'").height = document.getElementById("img").height+"px"; document.body.style.margin=0; };<\'+\'/script>\';'+
';</script>');
e.html(html);
// 必须分开，先执行js
var iframeHtml = '<iframe id="'+frameid+'" src="javascript:parent.iframeImg'+i+';" frameBorder="0" scrolling="no" width="100%"></iframe>';
e.append(iframeHtml);
}
});
console.log('转换为图片的数量：' + a_img.length);
function addGlobalStyle(css) {
var head, style;
head = document.getElementsByTagName('head')[0];
if (!head) { return; }
style = document.createElement('style');
style.type = 'text/css';
style.innerHTML = css;
head.appendChild(style);
}
console.log('完成');