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张志墙_Mybatis2/src/main/java/com/ces/mybatis/service/IUserService.java

+package com.ces.mybatis.service;
+package com.ces.mybatis.service;
+
+import java.util.List;
+
+import org.apache.ibatis.annotations.Param;
+
+import com.ces.mybatis.model.User;
+
+public interface IUserService {
+	List<User> getAll();
+    int insert(User user);
+    int delete(String userId);
+    int update(User user);
+    User find(String userId);
+    boolean insertOrUpdateByBatch(List<User> list);
+}