WebConfig 继承的类过期，用代替类WebMvcConfigurationSupport 又无效，能否帮忙支招
java.lang.ClassCastException: Result cannot be cast to java.lang.String
atorg.springframework.http.converter.StringHttpMessageConverter.getContentLength(StringHttpMessageConverter.java:43)
at org.springframework.http.converter.AbstractHttpM
WebConfig 继承的类过期，用代替类WebMvcConfigurationSupport 又无效，能否帮忙支招 java.lang.ClassCastException: Result cannot be cast to java.lang.String atorg.springframework.http.converter.StringHttpMessageConverter.getContentLength(StringHttpMessageConverter.java:43) at org.springframework.http.converter.AbstractHttpM
重新下载看看，找不到代码了