SSM +tomcat 中前端ajax请求参数发送后台乱码解决方案

后台接受前端请求参数显示SQL

Creating a new SqlSession
Registering transaction synchronization for SqlSession [org.apache.ibatis.session.defaults.DefaultSqlSession@8355d4a]
JDBC Connection [com.mchange.v2.c3p0.impl.NewProxyConnection@163690a7] will be managed by Spring
==>  Preparing: select fid,fname_l2,fnumber,flongnumber,fisLeaf,fparentid from T_ORG_Admin where fname_l2 like '%???%' 
==> Parameters: 
<==      Total: 0

解决方案

更改"tomcat_home"/conf/server.xml 文件，找到如下节点

更改前：

更改后

最后

重启服务器，再次请求。结果如下：

Creating a new SqlSession
Registering transaction synchronization for SqlSession [org.apache.ibatis.session.defaults.DefaultSqlSession@3f183487]
JDBC Connection [com.mchange.v2.c3p0.impl.NewProxyConnection@52d2282c] will be managed by Spring
==>  Preparing: select fid,fname_l2,fnumber,flongnumber,fisLeaf,fparentid from T_ORG_Admin where fname_l2 like '%前%'