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							- 'use strict';
 
- /**
 
-  *
 
-  *
 
-  * @author Mai
 
-  * @date
 
-  * @version
 
-  */
 
- const path = require('path');
 
- const fs = require('fs');
 
- module.exports = app => {
 
-     class TemplateController extends app.BaseController {
 
-         /**
 
-          * 下载 各种模板
 
-          * @param ctx
 
-          * @returns {Promise<void>}
 
-          */
 
-         async download(ctx) {
 
-             const file = ctx.params.file;
 
-             if (file) {
 
-                 try {
 
-                     let fileName;
 
-                     switch (file) {
 
-                         case '导入分项清单EXCEL格式.xlsx':
 
-                             fileName = path.join(this.app.baseDir, 'app', 'public', 'files', 'template', 'ledger', '导入分项清单EXCEL格式.xlsx');
 
-                             break;
 
-                         case '导入工程量清单EXCEL格式.xls':
 
-                             fileName = path.join(this.app.baseDir, 'app', 'public', 'files', 'template', 'ledger', '导入工程量清单EXCEL格式.xls');
 
-                             break;
 
-                         default:
 
-                             throw '参数错误'
 
-                     }
 
-                     ctx.body = await fs.readFileSync(fileName);
 
-                 } catch (err) {
 
-                     this.log(err);
 
-                     if (err.stack) {
 
-                         ctx.body = '您下载的示例文件不存在';
 
-                     } else {
 
-                         ctx.body = err;
 
-                     }
 
-                 }
 
-             } else {
 
-                 ctx.body = '参数错误';
 
-             }
 
-         }
 
-     }
 
-     return TemplateController;
 
- };
 
 
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