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update table <trim prefix="SET" suffixOverrides=","> <if test="items != null and items != ''">items = #{items},</if> <if test="publishDate != null">publish_...

一.当成员变量中有List这样的成员变量 1.javabean public class User { private Long userId; private String phone; private String username; private List roles; } 2.resultMap 备注:如果是int 3.sql SELECT a.user_id,a.phon...