easymybatis.commonSql.xml Maven / Gradle / Ivy

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<?xml version="1.0" encoding="UTF-8" ?>
<!DOCTYPE mapper PUBLIC "-//mybatis.org//DTD Mapper 3.0//EN" "http://mybatis.org/dtd/mybatis-3-mapper.dtd" >
<mapper namespace="common">

	<!-- 自定义字段 -->
	<sql id="selfColumns">
		<foreach collection="columns" item="column" separator="," >
           	${column}
        </foreach>
	</sql>
	<!-- 其它表字段 -->
	<sql id="otherTableColumns">
		<if test="otherTableColumns!=null">
		<trim prefix="," suffixOverrides=",">
			<foreach collection="otherTableColumns" item="column" separator="," >
            	${column}
            </foreach>
		</trim>
		</if>
	</sql>
	
	<sql id="sqlColumns">
		<choose>
            <when test="columns.size>0">
           		<include refid="common.selfColumns" />
            </when>
            <otherwise>
            	<include refid="baseColumns" />
            </otherwise>
		</choose>
		
		<include refid="common.otherTableColumns" />
	</sql>
	
	<sql id="orderBy">
		<if test="orderable">
			ORDER BY ${order}
		</if>
	</sql>
	<sql id="limit">
		<if test="!isQueryAll">
			LIMIT #{start},#{limit}
		</if>
	</sql>
	
	<sql id="join">
	   <if test="joinExpressions!=null">
            <foreach collection="joinExpressions" item="joinExpressionsItem">
                ${joinExpressionsItem.joinSql}
            </foreach>
        </if>
	</sql>
	<sql id="condition">
	   <if test="valueExpressions!=null">
           <foreach collection="valueExpressions" item="valueExpressionsItem">
               <if test="valueExpressionsItem.value != null">
                   ${valueExpressionsItem.joint}
                   ${valueExpressionsItem.column}
                   ${valueExpressionsItem.equal}
                   #{valueExpressionsItem.value}
               </if>
           </foreach>
       </if>
       <if test="listExpressions!=null">
           <foreach collection="listExpressions" item="listExpressionsItem">
               <if test="listExpressionsItem.value.size>0">
                   ${listExpressionsItem.joint}
                   ${listExpressionsItem.column}
                   ${listExpressionsItem.equal}
                   <foreach collection="listExpressionsItem.value" item="value" open="("
                       separator="," close=")">
                       #{value}
                   </foreach>
               </if>
           </foreach>
       </if>
       <if test="sqlExpressions!=null">
           <foreach collection="sqlExpressions" item="sqlExpressionsItem">
               ${sqlExpressionsItem.joint} 
               (${sqlExpressionsItem.sql})
           </foreach>
       </if>
	</sql>

	<!-- 条件语句块 -->
	<sql id="where">
		<include refid="common.join" />
		<where>
 			<include refid="common.condition" />
		</where>
	</sql>
	
	<sql id="updateWhere">
		<if test="query.joinExpressions!=null">
			<foreach collection="query.joinExpressions" item="joinExpressionsItem">
				${joinExpressionsItem.joinSql}
			</foreach>
		</if>
		<where>
			<if test="query.valueExpressions!=null">
				<foreach collection="query.valueExpressions" item="valueExpressionsItem">
					<if test="valueExpressionsItem.value != null">
						${valueExpressionsItem.joint}
						${valueExpressionsItem.column}
						${valueExpressionsItem.equal}
						#{valueExpressionsItem.value}
					</if>
				</foreach>
			</if>
			<if test="query.listExpressions!=null">
				<foreach collection="query.listExpressions" item="listExpressionsItem">
					<if test="listExpressionsItem.value.size>0">
						${listExpressionsItem.joint}
						${listExpressionsItem.column}
						${listExpressionsItem.equal}
						<foreach collection="listExpressionsItem.value" item="value"
							open="(" separator="," close=")">
							#{value}
						</foreach>
					</if>
				</foreach>
			</if>
			<if test="query.sqlExpressions!=null">
				<foreach collection="query.sqlExpressions" item="sqlExpressionsItem">
					${sqlExpressionsItem.joint}
					(${sqlExpressionsItem.sql})
				</foreach>
			</if>
		</where>
	</sql>
	
	<!-- 聚合查询 -->
	
	<!-- 查询列 -->
	<sql id="projectionColumn">
		<foreach collection="projectionList.projections" item="projection" separator=",">
			${projection.sql}
		</foreach>
	</sql>
	<!-- group by -->
	<sql id="groupBy">
		<if test="groupByList.projections.size>0">
			GROUP BY 
			<foreach collection="groupByList.projections" item="projection"
				separator="," >
				${projection.sql}
			</foreach>
		</if>
	</sql>
	<!-- having -->
	<sql id="having">
		<trim prefix="HAVING" prefixOverrides="AND|OR">
			<if test="valueHavingExpressions!=null">
				<foreach collection="valueHavingExpressions" item="valueExpressionsItem">
					<if test="valueExpressionsItem.value != null">
						${valueExpressionsItem.joint}
						${valueExpressionsItem.column}
						${valueExpressionsItem.equal}
						#{valueExpressionsItem.value}
					</if>
				</foreach>
			</if>
			<if test="listHavingExpressions!=null">
				<foreach collection="listHavingExpressions" item="listExpressionsItem">
					<if test="listExpressionsItem.value!=null">
						${listExpressionsItem.joint}
						${listExpressionsItem.column}
						${listExpressionsItem.equal}
						<foreach collection="listExpressionsItem.value" item="value" open="("
							separator="," close=")">
							#{value}
						</foreach>
					</if>
				</foreach>
			</if>
			<if test="sqlHavingExpressions!=null">
				<foreach collection="sqlHavingExpressions" item="sqlExpressionsItem">
					${sqlExpressionsItem.joint} 
					(${sqlExpressionsItem.sql})
				</foreach>
			</if>
		</trim>
	</sql>
	
</mapper>