Invalid character found in the request target. The valid characters are defined in RFC 7230 and RFC
Invalidcharacterfoundintherequesttarget.ThevalidcharactersaredefinedinRFC7230andRFC3986如下图:2查找原因:查看前端的传参情况,因项目要求是用get,参数类型是数组,提交时url自动转成带有中括号,而后台采用最流行的springboot2