1.html页面遍历值时候出现红线
如图：
解决：File==》 settings==》Editor==》Inspections
如图：
将途中所示的√去掉。
2.运行获取页面信息报错
freemarker.core.NonStringOrTemplateOutputException: For "${...}" content: Expected a string or something automatically convertible to string (number, date or boolean), or "template output" , but this has evaluated to a sequence (wrapper: f.t.SimpleSequence):
==> usernames [in template "user/list.html" at line 23, column 25]
----
FTL stack trace ("~" means nesting-related):
- Failed at: ${usernames} [in template "user/list.html" at line 23, column 23]
----
.........
上网查找说未获取到值，在application.properties添加spring.freemarker.settings.classic_compatible=true
但仍然报错，最后自己找到application.properties里的spring.freemarker.suffix配置信息应该为.ftl,而不是html。