mybatis 参数查询修改前片段
AND a.source in (#{source})mybatis 参数查询修改后片段
AND a.source in (${source})

AND a.source in ('top_news','net_music','knowledge_sns','wb')   

AND a.source in ("top_news","net_music","knowledge_sns","wb") 

<?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="com.thinkgem.jeesite.modules.backend.dao.ChannelDao">
<sql id="channelColumns">a.id AS "id",a.name AS "name",a.source AS "source",a.url AS "url",a.create_by AS "createBy.id",a.update_by AS "updateBy.id",a.update_date AS "updateDate",a.create_date AS "createDate",a.remarks AS "remarks",a.del_flag AS "delFlag"
</sql><sql id="channelJoins">
</sql><select id="findList" resultType="Channel">SELECT <include refid="channelColumns"/>FROM mkt_channel a<include refid="channelJoins"/><where>a.del_flag = #{DEL_FLAG_NORMAL}<if test="source != null and source!=''">AND a.source in (#{source})</if><if test="createBy != null">AND  a.create_by = #{createBy.id}</if></where><choose><when test="page !=null and page.orderBy != null and page.orderBy != ''">ORDER BY ${page.orderBy}</when><otherwise>ORDER BY a.update_date DESC</otherwise></choose>
</select>
</mapper>

@Controller
@RequestMapping(value = "${a}/backend/channel")
public class ChannelController extends BaseController {@Autowiredprivate ChannelService channelService;@Autowiredprivate SystemService systemService;@RequiresPermissions("backend:channel:view")@RequestMapping(value = {"list", ""})public String list(Channel channel, HttpServletRequest request, HttpServletResponse response, Model model) {String sourceName= request.getParameter("sourceName");String srcStr = null;boolean srcFindDo = false;if(StringUtils.isNotEmpty(sourceName)) {Map<String, Object> findedChannelMap = SourceUtils.getInstance().searchSourceList(sourceName);srcStr = (String) findedChannelMap.get("srcStr");srcFindDo = true;}String createBy = request.getParameter("createBy");channel.setCreateBy(null);createBy = XssFilter.getInstance().cleanXssChars(createBy);if(StringUtils.isNotEmpty(createBy)) {User user = systemService.getUserById(createBy);if(null != user) {channel.setCreateBy(user);}}Page<Channel> page = new Page<>();if(srcFindDo && StringUtils.isEmpty(srcStr)){page.setList(new ArrayList<>());page.setPageNo(0);page.setPageSize(0);page.setCount(0);page.setMessage("没有找到数据");}else {channel.setUtmSource(labelStr);page = channelService.findPage(new Page<Channel>(request, response), channel);}model.addAttribute("page", page);return "modules/backend/channelList";}
}

package com.thinkgem.jeesite.common.utils;import com.thinkgem.jeesite.modules.backend.entity.ChannelSource;
import com.thinkgem.jeesite.modules.sys.entity.Dict;
import com.thinkgem.jeesite.modules.sys.utils.DictUtils;
import org.apache.logging.log4j.LogManager;
import org.apache.logging.log4j.Logger;
import java.util.*;public class SourceUtils {private Logger logger = LogManager.getLogger(SourceUtils.class);private ChannelSourceFacade channelSourceFacade;private static SourceUtils instance;private SourceUtils() {channelSourceFacade = SpringContextHolder.getBean(ChannelSourceFacade.class);}public static SourceUtils getInstance() {if (null == instance) {instance = new SourceUtils();}return instance;}/*** 获取所有的来源列表* @return*/public List<ChannelSource> getAllSource() {List<ChannelSource> dataList = new ArrayList<>();Response<List<ChannelSource>> response = channelSourceFacade.getChannelSourceList();dataList = response.getData(); return dataList;}/*** 根据来源名称模糊查找渠道* @return*/public Map<String,Object> searchChannelList(String label,String desc,String code) {Map<String,Object> dictMap = new HashMap<>();String labelStr = "";List<ChannelSource> findedList = new ArrayList<>();List<ChannelSource> srcList = getAllChannelDict();if(null != srcList && srcList.size() > 0) {for (ChannelSource item : srcList) {if (dictMap.containsKey(item.getLabel())) {continue;}if(channelMatch(name,item)) {findedList.add(item);srcStr = String.format("%s'%s',",srcStr,item.getLabel());}}}if(srcStr.length() > 1) {//移除最后一个逗号和2个引号srcStr = srcStr.substring(0, srcStr.length() - 1);}dictMap.put("srcStr",srcStr);dictMap.put("findedList",findedList);return dictMap;}private boolean channelMatch(String sourceName,Dict item) {boolean result = true;name = null == name ? "" : name;if (StringUtils.isNotEmpty(name)) {if (dict.getDescription().indexOf(desc) == -1) {result = false;return result;}}return result;}}