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@ -1,10 +1,10 @@
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package com.ruoyi.jjh.declaration.service.impl;
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package com.ruoyi.jjh.declaration.service.impl;
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import cn.hutool.core.bean.BeanUtil;
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import com.alibaba.excel.EasyExcel;
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import com.alibaba.fastjson2.JSONArray;
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import com.alibaba.fastjson2.JSONObject;
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import com.baomidou.mybatisplus.extension.plugins.pagination.Page;
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import com.baomidou.mybatisplus.extension.plugins.pagination.Page;
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import com.baomidou.mybatisplus.extension.service.impl.ServiceImpl;
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import com.baomidou.mybatisplus.extension.service.impl.ServiceImpl;
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import com.ruoyi.common.exception.ServiceException;
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import com.ruoyi.common.utils.file.FileUtils;
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import com.ruoyi.jjh.declaration.entity.BmsTemplateInfo;
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import com.ruoyi.jjh.declaration.entity.BmsTemplateInfo;
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import com.ruoyi.jjh.declaration.mapper.BmsTemplateInfoMapper;
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import com.ruoyi.jjh.declaration.mapper.BmsTemplateInfoMapper;
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import com.ruoyi.jjh.declaration.service.IBmsEnterpriseDirectoryService;
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import com.ruoyi.jjh.declaration.service.IBmsEnterpriseDirectoryService;
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@ -12,12 +12,12 @@ import com.ruoyi.jjh.declaration.service.IBmsTemplateInfoService;
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import org.springframework.beans.factory.annotation.Autowired;
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import org.springframework.beans.factory.annotation.Autowired;
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import org.springframework.stereotype.Service;
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import org.springframework.stereotype.Service;
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import javax.servlet.ServletOutputStream;
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import javax.servlet.http.HttpServletRequest;
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import javax.servlet.http.HttpServletRequest;
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import javax.servlet.http.HttpServletResponse;
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import javax.servlet.http.HttpServletResponse;
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import java.io.ByteArrayOutputStream;
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import java.io.IOException;
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import java.io.IOException;
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import java.io.InputStream;
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import java.time.LocalDate;
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import java.time.LocalDate;
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import java.util.ArrayList;
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import java.util.List;
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import java.util.List;
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/**
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/**
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@ -57,61 +57,39 @@ public class BmsTemplateInfoServiceImpl extends ServiceImpl<BmsTemplateInfoMappe
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/**
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/**
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* 导出模板表单
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* 导出模板表单
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*
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*
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* @param request
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* @param response
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* @param id
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* @param id
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* @return
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* @return
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* @author emiya.xie
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* @author emiya.xie
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* @create 2023/8/31 10:25
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* @create 2023/8/31 10:25
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*/
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*/
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@Override
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@Override
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public void exportTemplate(HttpServletRequest request, HttpServletResponse response, Long id) {
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public void exportTemplate(HttpServletResponse response, Long id) {
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// BmsTemplateInfo bmsTemplateInfo = baseMapper.selectById(id);
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// if (BeanUtil.isEmpty(bmsTemplateInfo)) {
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// throw new ServiceException("没有找到合适的模板！");
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// }
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// String fileName = bmsTemplateInfo.getTemplateName() + ".xlsx";
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// String file = "/template/" + fileName;
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// InputStream is = this.getClass().getResourceAsStream(file);
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// byte[] fileData = new byte[0];
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// try {
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// fileData = input2byte(is);
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// } catch (IOException e) {
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// e.printStackTrace();
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// }
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// FileUtils.downloadFile(response, request, fileName, fileData);
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BmsTemplateInfo bmsTemplateInfo = baseMapper.selectById(id);
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BmsTemplateInfo bmsTemplateInfo = baseMapper.selectById(id);
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if (BeanUtil.isEmpty(bmsTemplateInfo)) {
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JSONArray js1 = JSONObject.parse(bmsTemplateInfo.getTemplateJson()).getJSONArray("fields");
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throw new ServiceException("没有找到合适的模板！");
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List<List<String>> list = new ArrayList<>();
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for (Object o : js1) {
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JSONObject parse = JSONObject.parse(o.toString());
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List<String> head0 = new ArrayList<>();
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head0.add(parse.get("label").toString());
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list.add(head0);
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}
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}
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String fileName = bmsTemplateInfo.getTemplateName() + ".xlsx";
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String fileName = bmsTemplateInfo.getTemplateName() + ".xlsx";
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String file = "/template/" + fileName;
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// 创建 Excel 写入流
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// 设置响应头，告诉浏览器下载文件
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// 使用 try-with-resources 自动关闭 InputStream
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// 设置响应头，告诉浏览器下载文件
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try (InputStream is = this.getClass().getResourceAsStream(file)) {
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response.setContentType("application/vnd.ms-excel");
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if (is == null) {
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response.setHeader("Content-Disposition", "attachment; filename="+fileName);
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throw new ServiceException("模板文件未找到！");
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try (ServletOutputStream outputStream = response.getOutputStream()) {
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}
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// 使用 EasyExcel 写数据到响应流
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EasyExcel.write(outputStream)
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byte[] fileData = input2byte(is);
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// 这里放入动态头
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FileUtils.downloadFile(response, request, fileName, fileData);
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.head(list).sheet("模板")
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// 当然这里数据也可以用 List<List<String>> 去传入
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.doWrite(new ArrayList<>());
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} catch (IOException e) {
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} catch (IOException e) {
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log.error("导出模板时发生错误", e);
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throw new RuntimeException(e);
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throw new ServiceException("导出模板失败，请重试！");
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}
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}
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}
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private byte[] input2byte(InputStream inStream)
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throws IOException {
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ByteArrayOutputStream swapStream = new ByteArrayOutputStream();
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byte[] buff = new byte[100];
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int rc = 0;
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while ((rc = inStream.read(buff, 0, 100)) > 0) {
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swapStream.write(buff, 0, rc);
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}
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byte[] in2b = swapStream.toByteArray();
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return in2b;
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}
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}
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