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mybatis foreach数组
select-sql语句in的用法,在
mybatis
中sql中in是怎么用的
答:
在
Mybatis
的Mapper中是这么写: select * from tab where zi_duan1 = #{s} and zi_duan2 = #{d} and zi_duan3 in <
foreach
item="item" index="index" collection="list" open="("separator="," close=")"> {item} </foreach> ...
mybatis
执行批量更新的时候,总会报错。
答:
你这条sql就有问题,批量后面的id怎么会是= ,批量的id是个
数组
,批量的关键字是in
mybatis
delete标签
答:
mybatis
在一个delete标签写多条delete语句 解决办法:直接写多条delete语句 [html] view plain copy <delete id="deleteComboInfo"> delete from amb_pairs where id in <
foreach
collection="id.split(',')" close=")" open="(" separator="," item="item"> {item} </foreach> ;delete ...
java怎么去掉sql中
foreach
的逗号
答:
<
foreach
collection="split2" index="index" item="item" separator=","> ……</foreach> 这是
mybatis
的写法,collection属性是遍历的集合,separator是生成sql中每项间的分隔符。因为你的语句中separator=","所以才出现了你说的多出逗号的情况 将separator=","改为 separator=" "就不会有多余...
mybatis
里的页面的if标签怎么用
答:
select id ,username ,birthday from user where username like '%小明%'and (id = 16 or id = 22 or id = 25)<
foreach
collection="ids"open="and ("close=")"item="id"separator="or"> id = {id} 还有很的查询条件 [html]view plain copy select id,username,birthday from user ...
mybatis
@delete怎么增加参数
答:
public List<UserExtension> selectAllUsers(Param("user") UserExtension user,Param("begin") int begin,Param("end") int end);
mybatis
中多条件删除例子如下:<delete id="delMultiByIds2" parameterType="java.util.List"> delete from tb_duty where<
foreach
collection="list" item="item" ...
mybatis
怎么写in list
答:
<if test="locationCodeList !=null and locationCodeList.size()>0"> and location_code in <
foreach
collection="locationCodeList" item="lcNo" index="index" open="(" close=")" separator=","> #{lcNo} </foreach> </if> ...
mybatis
是不是不支持批量插入id自增长的数据
答:
<selectKey resultType="long" keyProperty="id" order="BEFORE"> SELECT T旦供测佳爻簧诧伪超镰_MSG_SMSINFO_SEQ.NEXTVAL as id from dual </selectKey> INSERT INTO T_MSG_SMSINFO ( <include refid="columns_auotmsgsending" /> ) VALUES <
foreach
collection="list" item="item" index="...
mybatis
查询checkbox
答:
mybatis
有个
foreach
标签,先给你看个小例子,http://blog.csdn.net/bareheadzzq/article/details/8006131;理解了这个和你的差不多
foreach
sqlnode属于哪个jar
答:
就在
mybatis
的jar包中。/* */ package org.apache.ibatis.builder.xml.dynamic;/* */ /* */ import java.util.Iterator;/* */ import java.util.Map;/* */ import org.apache.ibatis.parsing.GenericTokenParser;/* */ import org.apache.ibatis.parsing.TokenHandler;/* ...
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