代码下载优化

hchyun/hchyun-generator/src/main/java/com/hchyun/generator/controller/GenController.java

@@ -1,10 +1,11 @@
 package com.hchyun.generator.controller;
 
-import java.io.IOException;
+import java.io.*;
-import java.io.Serializable;
 import java.util.HashMap;
 import java.util.List;
 import java.util.Map;
+import java.util.zip.ZipEntry;
+import java.util.zip.ZipOutputStream;
 import javax.servlet.http.HttpServletResponse;
 
 import com.hchyun.generator.aop.Log;
@@ -55,9 +56,9 @@ public class GenController extends GenBaseController {
     @PreAuthorize("@hchyun.hasPermi('tool:gen:list')")
     @GetMapping("/list")
     public Serializable genList(GenTable genTable) {
-            startPage();
+        startPage();
-            List<GenTable> list = genTableService.selectGenTableList(genTable);
+        List<GenTable> list = genTableService.selectGenTableList(genTable);
-            return getDataTable(list);
+        return getDataTable(list);
     }
 
     /**
@@ -66,14 +67,14 @@ public class GenController extends GenBaseController {
     @PreAuthorize("@hchyun.hasPermi('tool:gen:query')")
     @GetMapping(value = "/{talbleId}")
     public AjaxResult getInfo(@PathVariable Long talbleId) {
-            GenTable table = genTableService.selectGenTableById(talbleId);
+        GenTable table = genTableService.selectGenTableById(talbleId);
-            List<GenTable> tables = genTableService.selectGenTableAll();
+        List<GenTable> tables = genTableService.selectGenTableAll();
-            List<GenTableColumn> list = genTableColumnService.selectGenTableColumnListByTableId(talbleId);
+        List<GenTableColumn> list = genTableColumnService.selectGenTableColumnListByTableId(talbleId);
-            Map<String, Object> map = new HashMap<String, Object>();
+        Map<String, Object> map = new HashMap<String, Object>();
-            map.put("info", table);
+        map.put("info" , table);
-            map.put("rows", list);
+        map.put("rows" , list);
-            map.put("tables", tables);
+        map.put("tables" , tables);
-            return AjaxResult.success(map);
+        return AjaxResult.success(map);
     }
 
     /**
@@ -82,9 +83,9 @@ public class GenController extends GenBaseController {
     @PreAuthorize("@hchyun.hasPermi('tool:gen:list')")
     @GetMapping("/db/list")
     public Serializable dataList(GenTable genTable) {
-            startPage();
+        startPage();
-            List<GenTable> list = genTableService.selectDbTableList(genTable);
+        List<GenTable> list = genTableService.selectDbTableList(genTable);
-            return getDataTable(list);
+        return getDataTable(list);
     }
 
     /**
@@ -93,25 +94,25 @@ public class GenController extends GenBaseController {
     @PreAuthorize("@hchyun.hasPermi('tool:gen:list')")
     @GetMapping(value = "/column/{talbleId}")
     public Serializable columnList(Long tableId) {
-            GenTableDataInfo dataInfo = new GenTableDataInfo();
+        GenTableDataInfo dataInfo = new GenTableDataInfo();
-            List<GenTableColumn> list = genTableColumnService.selectGenTableColumnListByTableId(tableId);
+        List<GenTableColumn> list = genTableColumnService.selectGenTableColumnListByTableId(tableId);
-            dataInfo.setRows(list);
+        dataInfo.setRows(list);
-            dataInfo.setTotal(list.size());
+        dataInfo.setTotal(list.size());
-            return dataInfo;
+        return dataInfo;
     }
 
     /**
      * 导入表结构（保存）
      */
     @PreAuthorize("@hchyun.hasPermi('tool:gen:list')")
-    @Log(title = "代码生成", businessType = GenBusinessType.IMPORT)
+    @Log(title = "代码生成" , businessType = GenBusinessType.IMPORT)
     @PostMapping("/importTable")
     public AjaxResult importTableSave(String tables) {
-            String[] tableNames = Convert.toStrArray(tables);
+        String[] tableNames = Convert.toStrArray(tables);
-            // 查询表信息
+        // 查询表信息
-            List<GenTable> tableList = genTableService.selectDbTableListByNames(tableNames);
+        List<GenTable> tableList = genTableService.selectDbTableListByNames(tableNames);
-            genTableService.importGenTable(tableList);
+        genTableService.importGenTable(tableList);
-            return AjaxResult.success();
+        return AjaxResult.success();
     }
 
     /**
@@ -119,19 +120,19 @@ public class GenController extends GenBaseController {
      * 修改保存代码生成业务
      */
     @PreAuthorize("@hchyun.hasPermi('tool:gen:edit')")
-    @Log(title = "代码生成", businessType = GenBusinessType.UPDATE)
+    @Log(title = "代码生成" , businessType = GenBusinessType.UPDATE)
     @PutMapping
     public AjaxResult editSave(@Validated @RequestBody GenTable genTable) {
-            genTableService.validateEdit(genTable);
+        genTableService.validateEdit(genTable);
-            genTableService.updateGenTable(genTable);
+        genTableService.updateGenTable(genTable);
-            return AjaxResult.success();
+        return AjaxResult.success();
     }
 
     /**
      * 删除代码生成
      */
     @PreAuthorize("@hchyun.hasPermi('tool:gen:remove')")
-    @Log(title = "代码生成", businessType = GenBusinessType.DELETE)
+    @Log(title = "代码生成" , businessType = GenBusinessType.DELETE)
     @DeleteMapping("/{tableIds}")
     public AjaxResult remove(@PathVariable Long[] tableIds) {
         try {
@@ -153,57 +154,105 @@ public class GenController extends GenBaseController {
     @PreAuthorize("@hchyun.hasPermi('tool:gen:preview')")
     @GetMapping("/preview/{tableId}")
     public AjaxResult preview(@PathVariable("tableId") Long tableId) throws IOException {
-            Map<String, String> dataMap = genTableService.previewCode(tableId);
+        Map<String, String> dataMap = genTableService.previewCode(tableId);
-            return AjaxResult.success(dataMap);
+        return AjaxResult.success(dataMap);
     }
 
     /**
      * 生成代码（下载方式）
      */
     @PreAuthorize("@hchyun.hasPermi('tool:gen:code')")
-    @Log(title = "代码生成", businessType = GenBusinessType.GENCODE)
+    @Log(title = "代码生成" , businessType = GenBusinessType.GENCODE)
     @GetMapping("/download/{tableName}")
     public void download(HttpServletResponse response, @PathVariable("tableName") String tableName) throws IOException {
         byte[] data = genTableService.downloadCode(tableName);
+
         genCode(response, data);
     }
 
+
     /**
      * 生成代码（自定义路径）
      */
     @PreAuthorize("@hchyun.hasPermi('tool:gen:code')")
-    @Log(title = "代码生成", businessType = GenBusinessType.GENCODE)
+    @Log(title = "代码生成" , businessType = GenBusinessType.GENCODE)
     @GetMapping("/genCode/{tableName}")
     public AjaxResult genCode(@PathVariable("tableName") String tableName) {
-            boolean start = genTableService.generatorCode(tableName);
+        boolean start = genTableService.generatorCode(tableName);
-            if (start) {
+        if (start) {
-                return AjaxResult.success();
+            return AjaxResult.success();
-            } else {
+        } else {
-                return AjaxResult.error("模板渲染失败!");
+            return AjaxResult.error("模板渲染失败!");
-            }
+        }
     }
 
     /**
      * 同步数据库
      */
     @PreAuthorize("@hchyun.hasPermi('tool:gen:edit')")
-    @Log(title = "代码生成", businessType = GenBusinessType.UPDATE)
+    @Log(title = "代码生成" , businessType = GenBusinessType.UPDATE)
     @GetMapping("/synchDb/{tableName}")
     public AjaxResult synchDb(@PathVariable("tableName") String tableName) {
-            genTableService.synchDb(tableName);
+        genTableService.synchDb(tableName);
-            return AjaxResult.success();
+        return AjaxResult.success();
     }
 
     /**
      * 批量生成代码
      */
     @PreAuthorize("@hchyun.hasPermi('tool:gen:code')")
-    @Log(title = "代码生成", businessType = GenBusinessType.GENCODE)
+    @Log(title = "代码生成" , businessType = GenBusinessType.GENCODE)
     @GetMapping("/batchGenCode")
     public void batchGenCode(HttpServletResponse response, String tables) throws IOException {
         String[] tableNames = Convert.toStrArray(tables);
         byte[] data = genTableService.downloadCode(tableNames);
         genCode(response, data);
+        compress(data);
+    }
+
+    /**
+     * 将bytes流写入到本地
+     * @param bytes
+     */
+    public static void compress(byte[] bytes) {
+        try {
+            FileOutputStream fileOutputStream = new FileOutputStream("F:\\Work\\表白\\huhyun.zip");
+            fileOutputStream.write(bytes);
+            fileOutputStream.flush();
+            fileOutputStream.close();
+        } catch (IOException e) {
+            e.printStackTrace();
+        }
+    }
+
+    /**
+     * 压缩到文件
+     *
+     * @param sourceFileNames 源文件列表
+     * @param zipFileName     目标压缩文件
+     */
+    public static void compress(List<String> sourceFileNames, String zipFileName) {
+        byte[] buf = new byte[1024];
+        File zipFile = new File(zipFileName);
+        try {
+            ZipOutputStream zos = new ZipOutputStream(new FileOutputStream(zipFile));
+            for (int i = 0; i < sourceFileNames.size(); i++) {
+                File sourceFile = new File(sourceFileNames.get(i));
+                FileInputStream fis = new FileInputStream(sourceFile);
+                zos.putNextEntry(new ZipEntry(sourceFile.getName()));
+//                logge.info("压缩当前文件：{}",sourceFile.getName());
+                int len;
+                while ((len = fis.read(buf)) > 0) {
+                    zos.write(buf, 0, len);
+                }
+                zos.closeEntry();
+                fis.close();
+            }
+            zos.close();
+            System.out.println("压缩完成");
+        } catch (Exception e) {
+//            log.error("压缩文件异常：",e);
+        }
     }
 
     /**
@@ -211,10 +260,10 @@ public class GenController extends GenBaseController {
      */
     private void genCode(HttpServletResponse response, byte[] data) throws IOException {
         response.reset();
-        response.addHeader("Access-Control-Allow-Origin", "*");
+        response.addHeader("Access-Control-Allow-Origin" , "*");
-        response.addHeader("Access-Control-Expose-Headers", "Content-Disposition");
+        response.addHeader("Access-Control-Expose-Headers" , "Content-Disposition");
-        response.setHeader("Content-Disposition", "attachment; filename=\"hchyun.zip\"");
+        response.setHeader("Content-Disposition" , "attachment; filename=\"hchyun.zip\"");
-        response.addHeader("Content-Length", "" + data.length);
+        response.addHeader("Content-Length" , "" + data.length);
         response.setContentType("application/octet-stream; charset=UTF-8");
         IOUtils.write(data, response.getOutputStream());
     }