批量下载贴吧原图

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批量下载贴吧原图

一键批量下载贴吧中一页的原图
当前为 2017-06-04 提交的版本，查看最新版本。
换行
// ==UserScript==
// @name        批量下载贴吧原图
// @name:zh     批量下载贴吧原图
// @name:en     Batch srcImage downloader for tieba
// @version     1.4
// @description   一键批量下载贴吧中一页的原图
// @description:zh  一键批量下载贴吧中一页的原图
// @description:en  Batch Download Src Image From Baidu Tieba
// @supportURL  http://imcoder.site/article.do?method=detail&aid=124
// @match       http://tieba.baidu.com/*
// @match       https://tieba.baidu.com/*
// @include     http://tieba.baidu.com/*
// @include     https://tieba.baidu.com/*
// @require 	http://code.jquery.com/jquery-latest.js
// @author      Jeffrey.Deng
// @namespace http://greasyfork.icu/users/129338
// ==/UserScript==


//更新日志
// V 1.4 ：  更新对 https 的支持 ； 增大图片匹配成功率

var width = 100;
var height = 100;
var srchost = "https://imgsa.baidu.com/forum/pic/item";

(function(){
    var rightParent = null;
    var html = "";
    var rightLi =  $('#tb_nav').find('li')[  $('#tb_nav').find('li').length - 1 ];

    if( $(rightLi).hasClass('none_right_border') ){
        var tab = $('#tb_nav').find('li')[  $('#tb_nav').find('li').length - 2 ];
        var rightHtml = '<li class=" j_tbnav_tab ">' + $(rightLi).html() + '</li>';
        $(tab).after(rightHtml);
        html = '<li class=" j_tbnav_tab "><div class="tbnav_tab_inner"><p class="space">'+
            '<a  class="nav_icon icon_jingpin  j_tbnav_tab_a" id="batchDownloadBtn"  location="tabplay" >下载</a>'+
            '</p></div></li>';
        $(rightLi).html(html);
    }else {
        html = '<li class="j_tbnav_tab">'+
            '<a class=" j_tbnav_tab_a" id="batchDownloadBtn">下载</a> </li>';
        $(rightLi).after(html);
    }

    $('#batchDownloadBtn').click(function(){
	batchDownload();
    });
})();

/** 批量下载 **/
function batchDownload(){
  try{
      var arr = [];
      var postDiv_1 =  $('.post_bubble_middle');
      var postDiv_2 =  $('.d_post_content');
      var postDiv = $.merge(postDiv_1,postDiv_2);

      $(postDiv).find('img').each(function(i,img){
          if( $(img).attr('class') === 'BDE_Image' && $(img).attr('pic_type')==="0" && $(img).width() >= width ){
              var url = $(img).attr('src');
              var filename = url.substring(url.lastIndexOf('/'));
              var srcUrl = srchost+filename;
              arr.push(srcUrl);
          }
      });

      if(arr.length === 0){
           if( confirm( "未检测到图片，是否切换匹配方式查找" )   ){
               $(postDiv).find('img').each(function(i,img){
                   if( $(img).attr('class') === 'BDE_Image' && $(img).width() >= width ){
                       var url = $(img).attr('src');
                       var filename = url.substring(url.lastIndexOf('/'));
                       var srcUrl = srchost+filename;
                       arr.push(srcUrl);
                   }
               });
           }
      }

      if( confirm( "是否下载 " + arr.length +" 张图片" )   ){
         download(arr);
      }
  }catch(e){

  }

}

/** 下载 **/
function download(arr){
    arr.map(function(i){
        var a = document.createElement('a');
        a.setAttribute('download','');
        a.href=i;
        document.body.appendChild(a);
        a.click();
    });
}