添加下载功能

src/main/java/com/dreamchaser/depository_manage/controller/DepositoryRecordController.java

@@ -14,7 +14,13 @@ import org.springframework.transaction.annotation.Transactional;
 import org.springframework.web.bind.annotation.*;
 
 import javax.servlet.http.HttpServletRequest;
+import javax.servlet.http.HttpServletResponse;
+import java.io.File;
+import java.io.IOException;
+import java.io.InputStream;
+import java.io.OutputStream;
 import java.math.BigDecimal;
+import java.net.URLEncoder;
 import java.util.*;
 import java.util.concurrent.TimeUnit;
 
@@ -35,7 +41,7 @@ public class DepositoryRecordController {
     private MaterialService materialService;
 
     @Autowired
-    private CompanyService companyService;
+    private ExcelService excelService;
     @Autowired
     private RedisTemplate<String, String> redisTemplateForHash;
     @Autowired
@@ -1554,4 +1560,55 @@ public class DepositoryRecordController {
     }
 
 
+    // 用于下载待打印出库订单
+    @GetMapping("/downloadOutRecord")
+    public void downloadOutRecord(@RequestParam Map<String,Object> map, HttpServletRequest request, HttpServletResponse response){
+        String token = request.getHeader("user-token");
+        if (token == null) {
+            token = (String) request.getSession().getAttribute("userToken");
+        }
+        UserByPort userToken = AuthenticationTokenPool.getUserToken(token);
+        if(map.containsKey("id")){
+            Integer id = ObjectFormatUtil.toInteger(map.get("id"));
+            List<String> strings = excelService.writeExcelForPrint(id, 4, userToken);
+            List<File> files = new ArrayList<>();
+            for (String string : strings) {
+                File file = new File(string);
+                files.add(file);
+            }
+            ZipMultiFileUtil.zipDownload(response,"出库订单.zip",files);
+            ZipMultiFileUtil.deleteFile(files);
+            /*try {
+
+                String path = "static/upload/materialTypeImport.xlsx";
+
+                String fileName = "materialTypeImport.xlsx";
+                response.setHeader("content-disposition", "attachment;filename=" + URLEncoder.encode(fileName, "UTF-8"));
+                response.setContentType("content-type:octet-stream");
+                *//* .getClassLoader() 方法是在静态文件路径添加一个/ *//*
+                InputStream inputStream = this.getClass().getClassLoader().getResourceAsStream(path);
+                OutputStream outputStream = response.getOutputStream();
+                try {
+                    byte[] buffer = new byte[1024];
+                    int len;
+                    assert inputStream != null;
+                    while ((len = inputStream.read(buffer)) != -1) { *//* 将流中内容写出去 .*//*
+                        outputStream.write(buffer, 0, len);
+                    }
+                }catch (IOException e){
+                    e.printStackTrace();
+                }finally {
+                    assert inputStream != null;
+                    inputStream.close();
+                    outputStream.close();
+                }
+            } catch (Exception e) {
+                e.printStackTrace();
+            }*/
+        }else{
+            throw new MyException("缺少必要参数");
+        }
+    }
+
+
 }

src/main/java/com/dreamchaser/depository_manage/controller/DownLoadFileController.java

@@ -165,4 +165,6 @@ public class DownLoadFileController {
 
 
 
+
+
 }

src/main/java/com/dreamchaser/depository_manage/service/ExcelService.java

@@ -5,6 +5,7 @@ import com.dreamchaser.depository_manage.exception.MyException;
 import com.dreamchaser.depository_manage.utils.ResultVo;
 import org.springframework.web.multipart.MultipartFile;
 
+import javax.servlet.http.HttpServletResponse;
 import java.util.List;
 
 public interface ExcelService {

src/main/java/com/dreamchaser/depository_manage/service/impl/ExcelServiceImpl.java

@@ -19,10 +19,13 @@ import com.dreamchaser.depository_manage.utils.*;
 import lombok.extern.slf4j.Slf4j;
 import org.apache.commons.lang.StringUtils;
 import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.core.io.ClassPathResource;
 import org.springframework.stereotype.Service;
 import org.springframework.web.multipart.MultipartFile;
 
+import javax.servlet.http.HttpServletResponse;
 import java.io.File;
+import java.io.IOException;
 import java.math.BigDecimal;
 import java.util.*;
 import java.util.concurrent.Future;
@@ -436,6 +439,7 @@ public class ExcelServiceImpl implements ExcelService {
     public List<String> writeExcelForPrint(Integer id, Integer pageSize, UserByPort userToken) {
         // 生成的表格名称列表
         List<String> fileNameList = new ArrayList<>();
+
         // 获取要打印的出库主单
         ApplicationOutRecord record = depositoryRecordMapper.findApplicationOutRecordPById(id);
         // 获取要打印的所有子单
@@ -446,8 +450,9 @@ public class ExcelServiceImpl implements ExcelService {
         if (recordMinList.size() > pageSize) {
             pagesum = (int) Math.ceil(recordMinList.size() / (double) pageSize);
         }
+
         // 读取表格模板
-        String templateFileName = "D://PrintTemplate.xlsx";
+        String templateFileName =  "static/upload/PrintTemplate.xlsx";
 
         // 待打印主数据列表
         List<ExcelInfoByWrite> data = ListUtils.newArrayList();
@@ -572,8 +577,15 @@ public class ExcelServiceImpl implements ExcelService {
                 data.add(excelInfoByWrite);
             }
             // 生成的表格
-            String fileName = "D://PrintTemplate" + System.currentTimeMillis() + ".xlsx";
-            try (ExcelWriter excelWriter = EasyExcel.write(fileName).withTemplate(templateFileName).build()) {
+            String fileName = System.getProperty("java.io.tmpdir") + File.separator+"PrintTemplate" + System.currentTimeMillis() + ".xlsx";
+            ClassPathResource classPathResourceForTemplate = new ClassPathResource(templateFileName);
+            File fileForTemplate = null;
+            try {
+                fileForTemplate = classPathResourceForTemplate.getFile();
+            } catch (IOException e) {
+                e.printStackTrace();
+            }
+            try (ExcelWriter excelWriter = EasyExcel.write(fileName).withTemplate(fileForTemplate).build()) {
                 WriteSheet writeSheet = EasyExcel.writerSheet().build();
                 FillConfig fillConfig = FillConfig.builder().direction(WriteDirectionEnum.HORIZONTAL).build();
                 // 如果有多个list 模板上必须有{前缀.} 这里的前缀就是 data1，然后多个list必须用 FillWrapper包裹

src/main/resources/templates/pages/application/form-step-look_back.html

@@ -18,6 +18,7 @@
                 <div class="layui-card-body" style="padding-top: 0px;">
                     <div id="stepForm" lay-filter="stepForm" style="margin: 0 auto;">
                         <div style="margin-top: 30px">
+                            <button onclick="downloadExcel()">下载</button>
                             <table id="demo" class="layui-table"
                                    style="margin: 0 auto;max-width: 800px;">
                                 <colgroup>
@@ -30,6 +31,7 @@
                                     <td>申请编号</td>
                                     <td id="applicationId" th:text="${record.getCode()}">123456</td>
                                 </tr>
+                                <input style="display: none" id="id" th:value="${record.getId()}">
                                 <tr th:each="recordMin,iterStar: ${recordMinList}">
                                     <td>物料名称</td>
                                     <td>
@@ -123,6 +125,9 @@
 <script>
     function selectThisMinRecord(obj){
 
+    }
+    function downloadExcel(){
+
     }
     layui.use(['form', 'step'], function () {
         var $ = layui.$,
@@ -169,6 +174,11 @@
                 fixed:false,
                 content: '/form_step_lookByminRecordOut?id='+minId,
             });
+        };
+
+        downloadExcel = function () {
+            let id = $("#id").val();
+            window.open("/depositoryRecord/downloadOutRecord?id="+id,"_self");
         }
 
     })

target/classes/templates/pages/application/form-step-look_back.html

@@ -18,6 +18,7 @@
                 <div class="layui-card-body" style="padding-top: 0px;">
                     <div id="stepForm" lay-filter="stepForm" style="margin: 0 auto;">
                         <div style="margin-top: 30px">
+                            <button onclick="downloadExcel()">下载</button>
                             <table id="demo" class="layui-table"
                                    style="margin: 0 auto;max-width: 800px;">
                                 <colgroup>
@@ -30,6 +31,7 @@
                                     <td>申请编号</td>
                                     <td id="applicationId" th:text="${record.getCode()}">123456</td>
                                 </tr>
+                                <input style="display: none" id="id" th:value="${record.getId()}">
                                 <tr th:each="recordMin,iterStar: ${recordMinList}">
                                     <td>物料名称</td>
                                     <td>
@@ -123,6 +125,9 @@
 <script>
     function selectThisMinRecord(obj){
 
+    }
+    function downloadExcel(){
+
     }
     layui.use(['form', 'step'], function () {
         var $ = layui.$,
@@ -169,6 +174,11 @@
                 fixed:false,
                 content: '/form_step_lookByminRecordOut?id='+minId,
             });
+        };
+
+        downloadExcel = function () {
+            let id = $("#id").val();
+            window.open("/depositoryRecord/downloadOutRecord?id="+id,"_self");
         }
 
     })