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1、首先数据表 typecho_contents 中新建一个test_url字段,类型可为字符串

2、后台模板文件write-post.php 插入表单

<p><input type="text" name="test_url" value="<?php $post->test_url(); ?>"/></p>
3、在 WidgetContentsPostEdit.php 这里的 writePost 函数里需要接收新字段参数

public function writePost()

{
    $contents = $this->request->from('password', 'allowComment',
        'allowPing', 'allowFeed', 'slug', 'tags', 'text', 'visibility','test_url');

4.1 WidgetAbstractContents.php 这里的 insert 函数添加新参数

public function insert(array $content)
{

/** 构建插入结构 */
$insertStruct = array(
    'title'         =>  empty($content['title']) ? NULL : htmlspecialchars($content['title']),
    'created'       =>  empty($content['created']) ? $this->options->gmtTime : $content['created'],
    'modified'      =>  $this->options->gmtTime,
    'text'          =>  empty($content['text']) ? NULL : $content['text'],
    'order'         =>  empty($content['order']) ? 0 : intval($content['order']),
    'authorId'      =>  isset($content['authorId']) ? $content['authorId'] : $this->user->uid,
    'template'      =>  empty($content['template']) ? NULL : $content['template'],
    'type'          =>  empty($content['type']) ? 'post' : $content['type'],
    'status'        =>  empty($content['status']) ? 'publish' : $content['status'],
    'password'      =>  empty($content['password']) ? NULL : $content['password'],
    'commentsNum'   =>  empty($content['commentsNum']) ? 0 : $content['commentsNum'],
    'allowComment'  =>  !empty($content['allowComment']) && 1 == $content['allowComment'] ? 1 : 0,
    'allowPing'     =>  !empty($content['allowPing']) && 1 == $content['allowPing'] ? 1 : 0,
    'allowFeed'     =>  !empty($content['allowFeed']) && 1 == $content['allowFeed'] ? 1 : 0,
    'parent'        =>  empty($content['parent']) ? 0 : intval($content['parent']),
    'test_url'         =>  empty($content['test_url']) ? NULL : $content['test_url']
);

4.2 WidgetAbstractContents.php 这里的update函数里构建更新结构加入新字段

public function update(array $content, Typecho_Db_Query $condition)
{

/** 首先验证写入权限 */
if (!$this->isWriteable(clone $condition)) {
    return false;
}
/** 构建更新结构 */
$preUpdateStruct = array(
    'title'         =>  empty($content['title']) ? NULL : htmlspecialchars($content['title']),
    'order'         =>  empty($content['order']) ? 0 : intval($content['order']),
    'text'          =>  empty($content['text']) ? NULL : $content['text'],
    'template'      =>  empty($content['template']) ? NULL : $content['template'],
    'type'          =>  empty($content['type']) ? 'post' : $content['type'],
    'status'        =>  empty($content['status']) ? 'publish' : $content['status'],
    'password'      =>  empty($content['password']) ? NULL : $content['password'],
    'allowComment'  =>  !empty($content['allowComment']) && 1 == $content['allowComment'] ? 1 : 0,
    'allowPing'     =>  !empty($content['allowPing']) && 1 == $content['allowPing'] ? 1 : 0,
    'allowFeed'     =>  !empty($content['allowFeed']) && 1 == $content['allowFeed'] ? 1 : 0,
    'parent'        =>  empty($content['parent']) ? 0 : intval($content['parent']),
    'test_url'         =>  empty($content['test_url']) ? NULL : $content['test_url'],
);

4.3 WidgetAbstractContents.php select函数里添加查询新字段

public function select()
{

return $this->db->select('table.contents.cid', 'table.contents.title', 'table.contents.slug', 'table.contents.created', 'table.contents.authorId',
'table.contents.modified', 'table.contents.type', 'table.contents.status', 'table.contents.text', 'table.contents.commentsNum', 'table.contents.order',
'table.contents.template', 'table.contents.password', 'table.contents.allowComment', 'table.contents.allowPing', 'table.contents.allowFeed',
'table.contents.parent','table.contents.test_url')->from('table.contents');

}

问题是添加了字段,但字段内容网站搜索框搜索不到

撰写答案

SegmentFault

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