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Mysql 如何在Mybatis中的select sql中指定数字类型?_Mysql_Mybatis_Ibatis_Spring Mybatis - Fatal编程技术网

Mysql 如何在Mybatis中的select sql中指定数字类型?

Mysql 如何在Mybatis中的select sql中指定数字类型?,mysql,mybatis,ibatis,spring-mybatis,Mysql,Mybatis,Ibatis,Spring Mybatis,我想根据search number参数选择一个结果,例如,如果我通过了7,我想要像select*from student where DATE\u SUB(CURDATE(),INTERVAL 7 DAY) 从学生中选择* 和日期(CURDATE(),INTERVAL{intervalDay}DAY) <!-- pd is hasmap type --> <select id="selectstudentresult" parameterType="page" resultTy

我想根据search number参数选择一个结果,例如,如果我通过了
7
,我想要像
select*from student where DATE\u SUB(CURDATE(),INTERVAL 7 DAY)

从学生中选择*
和日期(CURDATE(),INTERVAL{intervalDay}DAY)
<!-- pd is hasmap type -->
<select id="selectstudentresult" parameterType="page" resultType="pd">
 select * from student 
  <where>      
   <if test="pd.intervalDay!=null">
    and  DATE_SUB(CURDATE(), INTERVAL ${pd.intervalDay} DAY) <= date(a.UPDATETIME)
    </if>
 </where>
<select id="selectstudentresult" parameterType="page" resultType="pd">
 select * from student 
  <where>      
   <if test="intervalDay!=null">
    and  DATE_SUB(CURDATE(), INTERVAL #{intervalDay} DAY) <= date(a.UPDATETIME)
    </if>
 </where>