几款实用 Wordpress 插件

之前看到给朋友做网站的英国老爷爷装了一堆 Wordpress Plugin，正好手边有个项目把 Wordpress 当 REST API 来用，就小小研究下了装了下面这几个 Plugin：

如果安装 Wordpress Plugin 提示权限不够需要输入 FTP 账号验证的话，可以 SSH 到 Server 上配置下权限，Apache 和 Nginx 的默认用户是 www-data，通过以下文件可以看到:

$ cat /etc/nginx/nginx.conf

或者：

$ ps -ef |grep apache2

我们要做的就是把 Wordpress 所在目录的所有权交给 www-data:

$ sudo chgrp -R www-data ./wordpress
$ sudo chown -R www-data:www-data ./wordpress

接下来，重启，使配置生效:

$ sudo service nginx restart

然后就发现终于可以愉快地玩耍啦！

1. JSON API

虽然 Wordpress 在 4.4 Clifford 开始把 REST API 纳入到 Core 中，但是我接触的时候用了 JSON API 这个插件。

This plugin was created at The Museum of Modern Art for the weblog Inside/Out, which is served from Ruby on Rails. Instead of reimplementing the site templates as a WordPress theme, we opted for a Rails front-end that displays content served from a WordPress back-end. JSON API provides the necessary interface for retrieving content and accepting comment submissions.

事实上我就是看了这段介绍才对 REST API 有初步的认识，使用非常简单，比如对一个刚装完的 Wordpress 发送 GET request http://localhost/wordpress/?json=1 会返回 JSON 如下：

{
  "status": "ok",
  "count": 1,
  "count_total": 1,
  "pages": 1,
  "posts": [
    {
      "id": 1,
      "type": "post",
      "slug": "hello-world",
      "url": "http:\/\/localhost\/wordpress\/?p=1",
      "title": "Hello world!",
      "title_plain": "Hello world!",
      "content": "<p>Welcome to WordPress. This is your first post. Edit or delete it, then start blogging!<\/p>\n",
      "excerpt": "Welcome to WordPress. This is your first post. Edit or delete it, then start blogging!\n",
      "date": "2009-11-11 12:50:19",
      "modified": "2009-11-11 12:50:19",
      "categories": [],
      "tags": [],
      "author": {
        "id": 1,
        "slug": "admin",
        "name": "admin",
        "first_name": "",
        "last_name": "",
        "nickname": "",
        "url": "",
        "description": ""
      },
      "comments": [
        {
          "id": 1,
          "name": "Mr WordPress",
          "url": "http:\/\/wordpress.org\/",
          "date": "2009-11-11 12:50:19",
          "content": "<p>Hi, this is a comment.<br \/>To delete a comment, just log in and view the post's comments. There you will have the option to edit or delete them.<\/p>\n",
          "parent": 0
        }
      ],
      "comment_count": 1,
      "comment_status": "open"
    }
  ]
}

Our old friend, in JSON format now. LOL. 我用了 NodeJS 的 Request middleware 去 call Wordpress 的 REST API 获取 JSON。

2. Magic Fields 2

强烈推荐 Magic Fields 2 这个插件，可以根据不同需求生成表单，主要是

1. JSON API

2. Magic Fields 2

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