【问题】
由于不小心，把之前wordpress中retina的主题更新成最新的0.2版本了，导致原先我手动在0.1的基础上修改的很多代码，使得支持多个菜单，prev和next post，帖子的已读次数等，都丢失了。
所以很是悲剧。然后现在只好一点点手动去重新改写对应的代码，以添加对应的功能。
【解决过程】
下面记录折腾的过程。
1.先是用FileZilla 3.5.3去下载下来对应的retina\lib\structure\menu.php，然后用notepad++打开，结果显示有点问题，每一行都多了一个换行的效果，所以很是悲催。
先不管了，手动删除多余空行，接着按照之前的记忆，去修改对应的代码，改好后，再上传到服务器上，替换原先的menu.php。结果重新打开www.crifan.com，网站却无法显示了，显示500错误。看来是代码添加的有问题了。
2.后来只好去retina的官方网站上面，下载最新的源码，然后找到对应的menu.php，再重新替换回来，然后网站才能正常打开。
3.后来再次重新用notepad++打开menu.php，结果显示又正常了，没了多余的换行了。
然后接着修改代码，去参考这里：
http://www.dayunet.com/WordPress-method-multiple-custom-menu.html
修改后的代码menu.php为：
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 | <?php/** This theme uses wp_nav_menu() in two locations.*/register_nav_menus( array( 'primary-menu' => 'Primary Menu', 'second-menu' => 'Second Menu', ));/** * Primary Menu *//** Primary Menu Callback */function retina_primary_menu_cb() { wp_page_menu (); }/** Build Primary Menu */function retina_primary_menu() { echo '<div class="menu1"> <div class="menu1-data">'; if ( has_nav_menu( 'primary-menu' ) ): $args = array( 'container' => 'div', 'container_class' => 'primary-container', 'theme_location' => 'primary-menu', 'menu_class' => 'sf-menu1', 'depth' => 0, 'fallback_cb' => 'retina_primary_menu_cb' ); $args2 = array( 'container' => 'div', 'container_class' => 'primary-container', 'theme_location' => 'second-menu', 'menu_class' => 'sf-menu1', 'depth' => 0, 'fallback_cb' => 'retina_primary_menu_cb' ); wp_nav_menu( $args ); wp_nav_menu( $args2 ); else: retina_primary_menu_cb(); endif; echo '<div class="clear"></div> </div> <!-- end .menu1-data --> </div> <!-- end .menu1 -->'; }/** Primary Menu Init */add_action( 'retina_after_header', 'retina_primary_menu_init' );function retina_primary_menu_init() { retina_primary_menu(); }?> |
然后登陆网站后台管理界面，就可以看到对应的显示效果了：
然后就照葫芦画瓢，去添加更多的菜单项。
然后又一共添加了9个，登陆后台管理页面，刷新后，效果如下：
最后共添加了所需要的12个，相关代码如下：
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 | register_nav_menus( array( 'primary-menu' => 'Primary Menu', 'second-menu' => 'Second Menu', 'third-menu' => 'Third Menu', 'fourth-menu' => 'Fourth Menu', 'fifth-menu' => 'Fifth Menu', 'sixth-menu' => 'Sixth Menu', 'seventh-menu' => 'Seventh Menu', 'eighth-menu' => 'Eighth Menu', 'nighth-menu' => 'Nighth Menu', 'tenth-menu' => 'Tenth Menu', 'eleventh-menu' => 'Eleventh Menu', 'twelveth-menu' => 'Twelveth Menu', )); |
和
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 | if ( has_nav_menu( 'primary-menu' ) ): $args = array( 'container' => 'div', 'container_class' => 'primary-container', 'theme_location' => 'primary-menu', 'menu_class' => 'sf-menu1', 'depth' => 0, 'fallback_cb' => 'retina_primary_menu_cb' ); $args2 = array( 'container' => 'div', 'container_class' => 'primary-container', 'theme_location' => 'second-menu', 'menu_class' => 'sf-menu1', 'depth' => 0, 'fallback_cb' => 'retina_primary_menu_cb' ); $args3 = array( 'container' => 'div', 'container_class' => 'primary-container', 'theme_location' => 'third-menu', 'menu_class' => 'sf-menu1', 'depth' => 0, 'fallback_cb' => 'retina_primary_menu_cb' ); $args4 = array( 'container' => 'div', 'container_class' => 'primary-container', 'theme_location' => 'fourth-menu', 'menu_class' => 'sf-menu1', 'depth' => 0, 'fallback_cb' => 'retina_primary_menu_cb' ); $args5 = array( 'container' => 'div', 'container_class' => 'primary-container', 'theme_location' => 'fifth-menu', 'menu_class' => 'sf-menu1', 'depth' => 0, 'fallback_cb' => 'retina_primary_menu_cb' ); $args6 = array( 'container' => 'div', 'container_class' => 'primary-container', 'theme_location' => 'sixth-menu', 'menu_class' => 'sf-menu1', 'depth' => 0, 'fallback_cb' => 'retina_primary_menu_cb' ); $args7 = array( 'container' => 'div', 'container_class' => 'primary-container', 'theme_location' => 'seventh-menu', 'menu_class' => 'sf-menu1', 'depth' => 0, 'fallback_cb' => 'retina_primary_menu_cb' ); $args8 = array( 'container' => 'div', 'container_class' => 'primary-container', 'theme_location' => 'eighth-menu', 'menu_class' => 'sf-menu1', 'depth' => 0, 'fallback_cb' => 'retina_primary_menu_cb' ); $args9 = array( 'container' => 'div', 'container_class' => 'primary-container', 'theme_location' => 'nighth-menu', 'menu_class' => 'sf-menu1', 'depth' => 0, 'fallback_cb' => 'retina_primary_menu_cb' ); $args10 = array( 'container' => 'div', 'container_class' => 'primary-container', 'theme_location' => 'tenth-menu', 'menu_class' => 'sf-menu1', 'depth' => 0, 'fallback_cb' => 'retina_primary_menu_cb' ); $args11 = array( 'container' => 'div', 'container_class' => 'primary-container', 'theme_location' => 'eleventh-menu', 'menu_class' => 'sf-menu1', 'depth' => 0, 'fallback_cb' => 'retina_primary_menu_cb' ); $args12 = array( 'container' => 'div', 'container_class' => 'primary-container', 'theme_location' => 'twelveth-menu', 'menu_class' => 'sf-menu1', 'depth' => 0, 'fallback_cb' => 'retina_primary_menu_cb' ); wp_nav_menu( $args ); wp_nav_menu( $args2 ); wp_nav_menu( $args3 ); wp_nav_menu( $args4 ); wp_nav_menu( $args5 ); wp_nav_menu( $args6 ); wp_nav_menu( $args7 ); wp_nav_menu( $args8 ); wp_nav_menu( $args9 ); wp_nav_menu( $args10 ); wp_nav_menu( $args11 ); wp_nav_menu( $args12 ); |
这12个全部建立好后，把之前就已经存在的菜单（这个是之前就自己建立好的，和主题是脱离的，所以没被覆盖掉），设置好对应关系，
再打开主页，就可以看到主页中的菜单显示效果就是所想要的12个了：
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