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				|  |  | package com.yihu.iot.controller.common;
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				|  |  | import com.fasterxml.jackson.databind.node.ObjectNode;
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				|  |  | import com.yihu.fastdfs.FastDFSUtil;
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				|  |  | import com.yihu.jw.exception.ApiException;
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				|  |  | import com.yihu.jw.exception.code.ExceptionCode;
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				|  |  | import com.yihu.jw.restmodel.web.MixEnvelop;
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				|  |  | import com.yihu.jw.restmodel.web.endpoint.EnvelopRestEndpoint;
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				|  |  | import com.yihu.jw.restmodel.iot.common.UploadVO;
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				|  |  | import com.yihu.jw.rm.iot.IotRequestMapping;
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				|  |  | import io.swagger.annotations.Api;
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				|  |  | import io.swagger.annotations.ApiOperation;
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				|  |  | import io.swagger.annotations.ApiParam;
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				|  |  | import org.apache.commons.lang.StringUtils;
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				|  |  | import org.springframework.beans.factory.annotation.Autowired;
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				|  |  | import org.springframework.beans.factory.annotation.Value;
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				|  |  | import org.springframework.jdbc.core.JdbcTemplate;
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				|  |  | import org.springframework.web.bind.annotation.*;
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				|  |  | import org.springframework.web.multipart.MultipartFile;
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				|  |  | import java.io.ByteArrayInputStream;
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				|  |  | 
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				|  |  | import java.io.File;
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				|  |  | import java.io.IOException;
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				|  |  | import java.io.InputStream;
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				|  |  | import java.net.URLDecoder;
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				|  |  | import java.util.Base64;
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				|  |  | import java.util.List;
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				|  |  | /**
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