废话不多说了，直接步入正题了。

1、批量添加元素session.insert(String string，Object o)

public void batchInsertStudent(){ List<Student> ls = new ArrayList<Student>(); for(int i = 5;i < 8;i++){ Student student = new Student(); student.setId(i); student.setName("maoyuanjun" + i); student.setSex("man" + i); student.setTel("tel" + i); student.setAddress("浙江省" + i); ls.add(student); } SqlSession session = SessionFactoryUtil.getSqlSessionFactory().openSession(); session.insert("mybatisdemo.domain.Student.batchInsertStudent", ls); session.commit(); session.close(); } <insert id="batchInsertStudent" parameterType="java.util.List"> INSERT INTO STUDENT (id,name,sex,tel,address) VALUES <foreach collection="list" item="item" index="index" separator="," > (#{item.id},#{item.name},#{item.sex},#{item.tel},#{item.address}) </foreach> </insert>

2、批量修改session. insert (String string,Object o)

实例1：

public void batchUpdateStudent(){ List<Integer> ls = new ArrayList<Integer>(); for(int i = 2;i < 8;i++){ ls.add(i); } SqlSession session = SessionFactoryUtil.getSqlSessionFactory().openSession(); session.insert("mybatisdemo.domain.Student.batchUpdateStudent",ls); session.commit(); session.close(); } <update id="batchUpdateStudent" parameterType="java.util.List"> UPDATE STUDENT SET name = "5566" WHERE id IN <foreach collection="list" item="item" index="index" open="(" separator="," close=")" > #{item} </foreach> </update>

实例2：

public void batchUpdateStudentWithMap(){ List<Integer> ls = new ArrayList<Integer>(); for(int i = 2;i < 8;i++){ ls.add(i); } Map<String,Object> map = new HashMap<String,Object>(); map.put("idList", ls); map.put("name", "mmao789"); SqlSession session = SessionFactoryUtil.getSqlSessionFactory().openSession(); session.insert("mybatisdemo.domain.Student.batchUpdateStudentWithMap",map); session.commit(); session.close(); } <update id="batchUpdateStudentWithMap" parameterType="java.util.Map" > UPDATE STUDENT SET name = #{name} WHERE id IN <foreach collection="idList" index="index" item="item" open="(" separator="," close=")"> #{item} </foreach> </update>

3、批量删除session.delete(String string,Object o)

public void batchDeleteStudent(){ List<Integer> ls = new ArrayList<Integer>(); for(int i = 4;i < 8;i++){ ls.add(i); } SqlSession session = SessionFactoryUtil.getSqlSessionFactory().openSession(); session.delete("mybatisdemo.domain.Student.batchDeleteStudent",ls); session.commit(); session.close(); } <delete id="batchDeleteStudent" parameterType="java.util.List"> DELETE FROM STUDENT WHERE id IN <foreach collection="list" index="index" item="item" open="(" separator="," close=")"> #{item} </foreach> </delete>

好了，本文到此结束，希望对大家有所帮助。

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