D3js横向纵向关系图加箭头，连接线文字描述，折叠

使用d3.js绘制组织关系图，有横向和纵向的以及箭头流向，连接线文字描述，层级折叠。

 属性            大小     日期    时间   名称
----------- ---------  ---------- -----  ----
     目录           0  2018-07-25 10:01  LearnD3\
     目录           0  2018-07-25 10:01  LearnD3\.vs\
     目录           0  2018-07-25 10:01  LearnD3\.vs\config\
     文件       86077  2018-07-25 10:01  LearnD3\.vs\config\applicationhost.config
     目录           0  2018-07-25 10:01  LearnD3\.vs\LearnD3\
     目录           0  2018-07-25 10:01  LearnD3\.vs\LearnD3\v15\
     文件       44032  2018-07-25 19:15  LearnD3\.vs\LearnD3\v15\.suo
     目录           0  2018-07-25 19:08  LearnD3\LearnD3\
     文件         988  2018-07-25 11:14  LearnD3\LearnD3.sln
     文件       45056  2018-07-13 18:17  LearnD3\LearnD3.v11.suo
     目录           0  2018-07-25 11:14  LearnD3\LearnD3\bin\
     文件        4096  2018-07-25 18:38  LearnD3\LearnD3\bin\LearnD3.dll
     文件         840  2018-07-25 11:15  LearnD3\LearnD3\bin\LearnD3.dll.config
     文件        7680  2018-07-25 18:38  LearnD3\LearnD3\bin\LearnD3.pdb
     文件        8644  2018-07-12 17:21  LearnD3\LearnD3\Callpantd3Tree.html
     文件         658  2018-07-12 13:12  LearnD3\LearnD3\city.json
     文件      337943  2018-07-11 21:43  LearnD3\LearnD3\d3.js
     文件        5556  2018-07-25 18:36  LearnD3\LearnD3\d3tree.html
     文件        3144  2018-07-25 14:54  LearnD3\LearnD3\d3tree2.html
     文件        7150  2018-07-25 19:08  LearnD3\LearnD3\d3treeUP.html
     文件        1029  2018-07-11 21:36  LearnD3\LearnD3\data.json
     文件       12924  2018-07-11 22:03  LearnD3\LearnD3\Index.html
     文件       84345  2018-07-11 21:25  LearnD3\LearnD3\jquery-2.1.4.min.js
     文件        5324  2018-07-25 18:38  LearnD3\LearnD3\LearnD3.csproj
     文件        1166  2018-07-25 18:38  LearnD3\LearnD3\LearnD3.csproj.user
     目录           0  2018-07-11 13:11  LearnD3\LearnD3\obj\
     目录           0  2018-07-25 11:14  LearnD3\LearnD3\obj\Debug\
     文件          42  2018-07-25 10:01  LearnD3\LearnD3\obj\Debug\CoreCompileInputs.cache
     文件        8641  2018-07-25 18:37  LearnD3\LearnD3\obj\Debug\DesignTimeResolveAssemblyReferencesInput.cache
     文件         442  2018-07-25 11:14  LearnD3\LearnD3\obj\Debug\LearnD3.csproj.FileListAbsolute.txt
     文件        3319  2018-07-25 11:14  LearnD3\LearnD3\obj\Debug\LearnD3.csprojResolveAssemblyReference.cache
............此处省略13个文件信息