varchar字段作为查询条件时,Mapper.xml文件中不应加‘’
 
	
	
	
	
	
	
	
	
	
	
	
	
	
 |  |  | 
 |  |  |                 bc.name like concat('%', #{name}, '%') and | 
 |  |  |             </if> | 
 |  |  |             <if test="num != null"> | 
 |  |  |                 bc.num = '#{num,jdbcType=VARCHAR}' and | 
 |  |  |                 bc.num = #{num,jdbcType=VARCHAR} and | 
 |  |  |             </if> | 
 |  |  |             <if test="phone != null"> | 
 |  |  |                 bc.phone = '#{phone,jdbcType=VARCHAR}' and | 
 |  |  |                 bc.phone = #{phone,jdbcType=VARCHAR} and | 
 |  |  |             </if> | 
 |  |  |         </trim> | 
 |  |  |     </select> | 
 |  |  | 
 |  |  |                 bc.name like concat('%', #{name}, '%') and | 
 |  |  |             </if> | 
 |  |  |             <if test="num != null"> | 
 |  |  |                 bc.num = '#{num,jdbcType=VARCHAR}' and | 
 |  |  |                 bc.num = #{num,jdbcType=VARCHAR} and | 
 |  |  |             </if> | 
 |  |  |             <if test="phone != null"> | 
 |  |  |                 bc.phone = '#{phone,jdbcType=VARCHAR}' and | 
 |  |  |                 bc.phone = #{phone,jdbcType=VARCHAR} and | 
 |  |  |             </if> | 
 |  |  |         </trim> | 
 |  |  |         order by bc.id DESC | 
 
 |  |  | 
 |  |  |                 name like concat('%', #{name}, '%') and | 
 |  |  |             </if> | 
 |  |  |             <if test="phone != null"> | 
 |  |  |                 phone = '#{phone,jdbcType=VARCHAR}' | 
 |  |  |                 phone = #{phone,jdbcType=VARCHAR} | 
 |  |  |             </if> | 
 |  |  |         </trim> | 
 |  |  |     </select> | 
 |  |  | 
 |  |  |                 name like concat('%', #{name}, '%') and | 
 |  |  |             </if> | 
 |  |  |             <if test="phone != null"> | 
 |  |  |                 phone = '#{phone,jdbcType=VARCHAR}' | 
 |  |  |                 phone = #{phone,jdbcType=VARCHAR} | 
 |  |  |             </if> | 
 |  |  |         </trim> | 
 |  |  |         order by id DESC |