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  • 前端传多个数组集合,后端接收并匹配

    传参格式

     后端接收并在SQL匹配

     @GetMapping(value = "xj/node/openApi/subnets")
        @ApiOperation(value = "查询openApi子网接口", httpMethod = "GET", response = String.class)
        public Map<String, Object> listResourceOpenApiSubnets(
                @ApiParam(value = "子网地址", required = false) @RequestParam(required = false, name = "subnetIp") String subnetIp,
                @ApiParam(value = "子网名称", required = false) @RequestParam(required = false, name = "subnetName") String subnetName,
                @ApiParam(value = "关键字", required = false) @RequestParam(required = false, name = "key") String key,
                @ApiParam(value = "子网", required = false) @RequestParam(required = false, name = "subnetIps") String subnetIps) {
            HashMap<String, Object> paramMap = new HashMap<>();
            Optional.ofNullable(subnetIp).map(t -> paramMap.put("subnetIp", t));
            Optional.ofNullable(subnetName).map(t -> paramMap.put("subnetName", t));
            Optional.ofNullable(key).map(t -> paramMap.put("key", t));
            String[] subnetIpArray = subnetIps.split(",");
            List<String> subnetIpList = new ArrayList<>();
            for (String item : subnetIpArray) {
                StringBuffer stringBuffer = new StringBuffer();
                stringBuffer.append("'");
                stringBuffer.append(item);
                stringBuffer.append("'");
                subnetIpList.add(stringBuffer.toString());
            }
            paramMap.put("subnetIpList", StringUtils.join(subnetIpList, ","));
    
            val resultList = resourceService.listResourceOpenApiSubnets(getCurrentLoginId(), paramMap);
            val resultMap = new HashMap<String, Object>();
            resultMap.put("record", resultList);
            return resultMap;
        }

    SQL

    <select id="selectRNOpenApiSubnets" parameterType="map" resultType="java.util.LinkedHashMap">
            <![CDATA[
                SELECT a.*,b.use FROM xjyd_openapi_subnet a
                left join (SELECT a.subnet_id,group_CONCAT(a.`use`) `use` FROM xjyd_openapi_subnet_use a GROUP BY a.subnet_id) b on a.subnet_id = b.subnet_id
            ]]>
            <where>
                <if test='subnetName != null'>
                    <![CDATA[ and a.subnet_name = #{subnetName} ]]>
                </if>
                <if test='subnetIp != null'>
                    <![CDATA[ and CONCAT('%.',a.subnet_ip,'.%') like CONCAT('%.',#{subnetIp},'.%') ]]>
                </if>
                <if test='subnetIpList != null'>
                    <![CDATA[ and a.subnet_ip in (${subnetIpList}) ]]>
                </if>
                <if test='key != null'>
                    <![CDATA[ and (CONCAT('%.',a.subnet_ip,'.%') like CONCAT('%.',#{key},'.%')
                                   or a.subnet_name like CONCAT('%',#{key},'%')
                                   )
                    ]]>
                </if>
            </where>
        </select>
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  • 原文地址:https://www.cnblogs.com/fenghh/p/12175324.html
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