Mvloveyouforever

1、本地安装了 mysql8.0,安装wordpress的时候,本地数据库不能使用 localhost,而必须要用 127.0.0.1 。在 wp-config.php 中修改

2、访问路径去掉 category  复制以下代码到 function.php

//去除分类标志代码
add_action( \'load-themes.php\', \'no_category_base_refresh_rules\');
add_action(\'created_category\', \'no_category_base_refresh_rules\');
add_action(\'edited_category\', \'no_category_base_refresh_rules\');
add_action(\'delete_category\', \'no_category_base_refresh_rules\');
function no_category_base_refresh_rules() {
global $wp_rewrite;
$wp_rewrite -> flush_rules();
}
// Remove category base
add_action(\'init\', \'no_category_base_permastruct\');
function no_category_base_permastruct() {
global $wp_rewrite, $wp_version;
if (version_compare($wp_version, \'3.4\', \'<\')) {
// For pre-3.4 support
$wp_rewrite -> extra_permastructs[\'category\'][0] = \'%category%\';
} else {
$wp_rewrite -> extra_permastructs[\'category\'][\'struct\'] = \'%category%\';
}
}
// Add our custom category rewrite rules
add_filter(\'category_rewrite_rules\', \'no_category_base_rewrite_rules\');
function no_category_base_rewrite_rules($category_rewrite) {
//var_dump($category_rewrite); // For Debugging
$category_rewrite = array();
$categories = get_categories(array(\'hide_empty\' => false));
foreach ($categories as $category) {
$category_nicename = $category -> slug;
if ($category -> parent == $category -> cat_ID)// recursive recursion
$category -> parent = 0;
elseif ($category -> parent != 0)
$category_nicename = get_category_parents($category -> parent, false, \'/\', true) . $category_nicename;
$category_rewrite[\'(\' . $category_nicename . \')/(?:feed/)?(feed|rdf|rss|rss2|atom)/?$\'] = \'index.php?category_name=$matches[1]&feed=$matches[2]\';
$category_rewrite[\'(\' . $category_nicename . \')/page/?([0-9]{1,})/?$\'] = \'index.php?category_name=$matches[1]&paged=$matches[2]\';
$category_rewrite[\'(\' . $category_nicename . \')/?$\'] = \'index.php?category_name=$matches[1]\';
}
// Redirect support from Old Category Base
global $wp_rewrite;
$old_category_base = get_option(\'category_base\') ? get_option(\'category_base\') : \'category\';
$old_category_base = trim($old_category_base, \'/\');
$category_rewrite[$old_category_base . \'/(.*)$\'] = \'index.php?category_redirect=$matches[1]\';
//var_dump($category_rewrite); // For Debugging
return $category_rewrite;
}
// Add \'category_redirect\' query variable
add_filter(\'query_vars\', \'no_category_base_query_vars\');
function no_category_base_query_vars($public_query_vars) {
$public_query_vars[] = \'category_redirect\';
return $public_query_vars;
}
// Redirect if \'category_redirect\' is set
add_filter(\'request\', \'no_category_base_request\');
function no_category_base_request($query_vars) {
//print_r($query_vars); // For Debugging
if (isset($query_vars[\'category_redirect\'])) {
$catlink = trailingslashit(get_option(\'home\')) . user_trailingslashit($query_vars[\'category_redirect\'], \'category\');
status_header(301);
header("Location: $catlink");
exit();
}
return $query_vars;
}

此时,有可能会出现页面404的情况。 后台的固定链接,选择 “朴素” 然后,再修改回来保证正常刷新。

-----------------------------------------------

mac下有时候,修改无效,则 

前往文件夹,输入

/etc

打开 apache2/httpd.conf 这个文件找到

LoadModule rewrite_module libexec/apache2/mod_rewrite.so

把前面的 # 去掉,保存。这样就支持rewrite了。

然后,依然是这个文件,搜索

AllowOverride None

一共有三处,全部改为

AllowOverride All

也就是让服务器支持.htaccess文件

 

 -------------------------------------------------------------

3、获取指定分类信息和链接

WordPress获取指定分类ID的分类名:

<?php echo get_cat_name( $catid );?>

WordPress获取指定分类ID的分类链接:

<?php echo get_category_link( $catid );?>

WordPress获取指定分类ID的分类描述:

<?php echo category_description( $catid01 ); ?>
 
 4、无法上传图片
chmod -R 777 wp-content/

 5、wordpress 修改域名以后,更新文章图片地址

UPDATE dy_posts SET post_content = REPLACE( post_content, \'旧域名\', \'新域名\' );

 

 

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