帝国CMS批量设置文章正文第一张图片为缩略图的方法
执行以下脚本的时候请 先备份数据库!文本存放的新闻正文字段不可用!
打开网站后台,找到系统—系统设置—备份与恢复数据—执行SQL语句:
新闻正文字段作为主表的情况用以下SQL语句:
update phome_ecms_news
set titlepic =
concat(
replace(
SUBSTRING_INDEX(
SUBSTRING_INDEX(newstext,
‘src=’, –
1),
‘.gif’,
1),
‘”‘,
”),
‘.gif’)
where newstext
like ‘%.gif%’ and titlepic=
”;
update phome_ecms_news
set titlepic =
concat(
replace(
SUBSTRING_INDEX(
SUBSTRING_INDEX(newstext,
‘src=’, –
1),
‘.jpg’,
1),
‘”‘,
”),
‘.gif’)
where newstext
like ‘%.jpg%’ and titlepic=
”;
update phome_ecms_news
set titlepic =
concat(
replace(
SUBSTRING_INDEX(
SUBSTRING_INDEX(newstext,
‘src=’, –
1),
‘.png’,
1),
‘”‘,
”),
‘.png’)
where newstext
like ‘%.png%’ and titlepic=
”;
新闻正文字段作为副表的情况用以下SQL语句:
update [!db.pre!]ecms_news_data_1 a, [!db.pre!]ecms_news b
set b.titlepic=
concat(
replace(
SUBSTRING_INDEX(
SUBSTRING_INDEX(a.newstext,
‘src=’, –
1),
‘.gif’,
1),
‘”‘,
”),
‘.gif’)
where a.newstext
like ‘%.gif%’ and b.titlepic=
”
and a.id=b.id;
update [!db.pre!]ecms_news_data_1 a, [!db.pre!]ecms_news b
set b.titlepic=
concat(
replace(
SUBSTRING_INDEX(
SUBSTRING_INDEX(a.newstext,
‘src=’, –
1),
‘.jpg’,
1),
‘”‘,
”),
‘.jpg’)
where a.newstext
like ‘%.jpg%’ and b.titlepic=
”
and a.id=b.id;
update [!db.pre!]ecms_news_data_1 a, [!db.pre!]ecms_news b
set b.titlepic=
concat(
replace(
SUBSTRING_INDEX(
SUBSTRING_INDEX(a.newstext,
‘src=’, –
1),
‘.png’,
1),
‘”‘,
”),
‘.png’)
where a.newstext
like ‘%.png%’ and b.titlepic=
”
and a.id=b.id;