Write me a code for adding, deleting, modifying and checking jpa

開発 2023-07-29 19:22:51 訪問数: null

答：public class JPATest { public static void main(String[] args) { // 增加 String sql = "insert into tableName (field1, field2) values(?, ?)"; Object[] params = {"value1", "value2"}; int rowCount = JPAUtil.executeUpdate(sql, params);

// 删除
    S

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