md

emis-biz-web/src/main/java/com/xdadan/erp/web/emis/EmisCommissionDtlController.java

@@ -11,6 +11,7 @@
 
 package com.xdadan.erp.web.emis;
 
+import java.io.IOException;
 import java.util.ArrayList;
 import java.util.Arrays;
 import java.util.List;
@@ -18,10 +19,13 @@ import java.util.Map;
 import javax.servlet.http.HttpServletResponse;
 
 import cn.hutool.json.JSONObject;
+import com.alibaba.fastjson.JSON;
 import com.xdadan.erp.common.annotation.filter.jackson.JacksonFilter;
 import com.xdadan.erp.emis.domain.EmisWaybill;
+import com.xdadan.erp.emis.utils.GZipUtils;
 import com.xdadan.erp.emis.utils.WaybillHelper;
 import org.apache.commons.collections.CollectionUtils;
+import org.apache.commons.compress.archivers.zip.ZipUtil;
 import org.apache.commons.lang3.StringUtils;
 import org.springframework.beans.factory.annotation.Autowired;
 import org.springframework.security.access.prepost.PreAuthorize;
@@ -115,13 +119,20 @@ public class EmisCommissionDtlController extends BaseController
         }
 
         List<Map> list = emisCommissionDtlService.selectCommissionDtlMapList(emisCommissionDtl);
-
+        if(emisCommissionDtl.getParams().containsKey("blExport")){
-
+            List<String> exportList=  new ArrayList<>();
-
+            String encStr = GZipUtils.zipToBase64Str(JSON.toJSONString(list));
-        return getDataTable(list);
+            if(encStr!=null) {
+                exportList.add(encStr);
+            }
+            return getDataTable(exportList);
+        }else {
+            return getDataTable(list);
+        }
     }
 
 
+
     /**
      * 按批次查询明细
      * @param emisCommissionDtl

emis-biz/src/main/java/com/xdadan/erp/emis/utils/GZipUtils.java

@@ -0,0 +1,61 @@
+package com.xdadan.erp.emis.utils;
+
+import java.io.ByteArrayInputStream;
+import java.io.ByteArrayOutputStream;
+import java.io.IOException;
+import java.nio.charset.StandardCharsets;
+import java.util.Base64;
+import java.util.zip.GZIPInputStream;
+import java.util.zip.GZIPOutputStream;
+
+public class GZipUtils {
+
+    public static String zipToBase64Str(String input){
+        try {
+            return Base64.getEncoder().encodeToString(compress(input));
+        } catch (IOException e) {
+            return null;
+        }
+    }
+
+    public static String unzipByBase64(String base64InputStr) {
+        try {
+            return decompress(Base64.getDecoder().decode(base64InputStr.getBytes()));
+        } catch (IOException e) {
+            return null;
+        }
+    }
+
+    // 压缩文本
+    private static byte[] compress(String text) throws IOException {
+        ByteArrayOutputStream baos = new ByteArrayOutputStream();
+        try (GZIPOutputStream gzos = new GZIPOutputStream(baos)) {
+            gzos.write(text.getBytes(StandardCharsets.UTF_8));
+        }
+        return baos.toByteArray();
+    }
+
+    // 解压缩文本
+    private static String decompress(byte[] compressed) throws IOException {
+        ByteArrayInputStream bais = new ByteArrayInputStream(compressed);
+        try (GZIPInputStream gzis = new GZIPInputStream(bais);
+             java.io.InputStreamReader isr = new java.io.InputStreamReader(gzis, StandardCharsets.UTF_8);
+             java.io.BufferedReader br = new java.io.BufferedReader(isr)) {
+
+            StringBuilder result = new StringBuilder();
+            String line;
+            while ((line = br.readLine()) != null) {
+                result.append(line);
+            }
+            return result.toString();
+        }
+    }
+
+    public static void main(String[] args) {
+        String str="你好压缩";
+        String zipEncStr=zipToBase64Str(str);
+        System.out.println(zipEncStr);
+        String decStr = unzipByBase64(zipEncStr);
+        System.out.println(decStr);
+    }
+}