我在SQLite数据库中有一个表,我有一个名为Account的模式。我还有一个搜索用户的表单。在我的控制器中,我这样做:
my $params ||= $c->req->parameters; # Don't know what the difference is between ||= and =, did that way because someone had done it to and it works
my $search_term = $params->{search};
if( $c->request->params{submit} )
{
$c->stash->{search_term} = $search_term;
$c->stash->{search_results} = $c->model("DB::Account")->find({
firstname => { like => "%$search_term%" },
}) if $c->stash->{search_term};
}
然后在我看来,我有类似的东西。
[% IF search_results > 0 %]
[% FOREACH results IN search_results %]
[% results.email %] <br/>
[% results.firstname %]
[% END %]
上面的代码工作正常。我想要做的是搜索与firstname
,lastname
或其他列匹配的表格,而不只是一列。
我对Catalyst框架和Perl相当陌生(曾经用perl做过,但不是很高级),所以任何帮助和技巧都会受到赞赏。
答案 0 :(得分:2)
至于此:
my $params ||= $c->req->parameters;
与:
相同my $params = $params || $c->req->parameters; # when $params is not defined
# it will be used the part after ||
从表中搜索行。方法find
只能找到一行。
$c->stash->{search_results} = $c->model("DB::Account")->find({
firstname => { like => "%$search_term%" },
});
要查找所有行,您应使用方法search
或search_rs
。像这样:
$c->stash->{search_results} = $c->model("DB::Account")->search({
firstname => { like => "%$search_term%" },
lastname => "Smith",
email => "jsmith@abc.de"
})
这就是全部!有关详细信息,请阅读DBIx::Class::ResultSet
<强> UPD 强>
要在tt文件中查看结果,您应该使用:
[% WHILE (row = search_results.next) %]
[% row.email %]
[% row.firstname %]
[% END %]