取消表格导出功能，修复回滚（删表）功能的painc (#1310)

* [feature]:取消表格导出功能

* 修复回滚（删表）painc的问题

* [feature]:修改初始化

server/api/v1/example/enter.go

@@ -3,13 +3,11 @@ package example
 import "github.com/flipped-aurora/gin-vue-admin/server/service"
 
 type ApiGroup struct {
-	ExcelApi
 	CustomerApi
 	FileUploadAndDownloadApi
 }
 
 var (
-	excelService                 = service.ServiceGroupApp.ExampleServiceGroup.ExcelService
 	customerService              = service.ServiceGroupApp.ExampleServiceGroup.CustomerService
 	fileUploadAndDownloadService = service.ServiceGroupApp.ExampleServiceGroup.FileUploadAndDownloadService
 )

server/api/v1/example/exa_excel.go

@@ -1,120 +0,0 @@
-package example
-
-import (
-	"os"
-	"strings"
-
-	"github.com/flipped-aurora/gin-vue-admin/server/global"
-	"github.com/flipped-aurora/gin-vue-admin/server/model/common/response"
-	"github.com/flipped-aurora/gin-vue-admin/server/model/example"
-	"github.com/gin-gonic/gin"
-	"go.uber.org/zap"
-)
-
-type ExcelApi struct{}
-
-// /excel/importExcel 接口，与upload接口作用类似，只是把文件存到resource/excel目录下，用于导入Excel时存放Excel文件(ExcelImport.xlsx)
-// /excel/loadExcel接口，用于读取resource/excel目录下的文件((ExcelImport.xlsx)并加载为[]model.SysBaseMenu类型的示例数据
-// /excel/exportExcel 接口，用于读取前端传来的tableData，生成Excel文件并返回
-// /excel/downloadTemplate 接口，用于下载resource/excel目录下的 ExcelTemplate.xlsx 文件，作为导入的模板
-
-// ExportExcel
-// @Tags      excel
-// @Summary   导出Excel
-// @Security  ApiKeyAuth
-// @accept    application/json
-// @Produce   application/octet-stream
-// @Param     data  body  example.ExcelInfo  true  "导出Excel文件信息"
-// @Success   200
-// @Router    /excel/exportExcel [post]
-func (e *ExcelApi) ExportExcel(c *gin.Context) {
-	var excelInfo example.ExcelInfo
-	err := c.ShouldBindJSON(&excelInfo)
-	if err != nil {
-		response.FailWithMessage(err.Error(), c)
-		return
-	}
-	if strings.Index(excelInfo.FileName, "..") > -1 {
-		response.FailWithMessage("包含非法字符", c)
-		return
-	}
-	filePath := global.GVA_CONFIG.Excel.Dir + excelInfo.FileName
-	err = excelService.ParseInfoList2Excel(excelInfo.InfoList, filePath)
-	if err != nil {
-		global.GVA_LOG.Error("转换Excel失败!", zap.Error(err))
-		response.FailWithMessage("转换Excel失败", c)
-		return
-	}
-	c.Writer.Header().Add("success", "true")
-	c.File(filePath)
-}
-
-// ImportExcel
-// @Tags      excel
-// @Summary   导入Excel文件
-// @Security  ApiKeyAuth
-// @accept    multipart/form-data
-// @Produce   application/json
-// @Param     file  formData  file                           true  "导入Excel文件"
-// @Success   200   {object}  response.Response{msg=string}  "导入Excel文件"
-// @Router    /excel/importExcel [post]
-func (e *ExcelApi) ImportExcel(c *gin.Context) {
-	_, header, err := c.Request.FormFile("file")
-	if err != nil {
-		global.GVA_LOG.Error("接收文件失败!", zap.Error(err))
-		response.FailWithMessage("接收文件失败", c)
-		return
-	}
-	_ = c.SaveUploadedFile(header, global.GVA_CONFIG.Excel.Dir+"ExcelImport.xlsx")
-	response.OkWithMessage("导入成功", c)
-}
-
-// LoadExcel
-// @Tags      excel
-// @Summary   加载Excel数据
-// @Security  ApiKeyAuth
-// @Produce   application/json
-// @Success   200  {object}  response.Response{data=response.PageResult,msg=string}  "加载Excel数据,返回包括列表,总数,页码,每页数量"
-// @Router    /excel/loadExcel [get]
-func (e *ExcelApi) LoadExcel(c *gin.Context) {
-	menus, err := excelService.ParseExcel2InfoList()
-	if err != nil {
-		global.GVA_LOG.Error("加载数据失败!", zap.Error(err))
-		response.FailWithMessage("加载数据失败", c)
-		return
-	}
-	response.OkWithDetailed(response.PageResult{
-		List:     menus,
-		Total:    int64(len(menus)),
-		Page:     1,
-		PageSize: 999,
-	}, "加载数据成功", c)
-}
-
-// DownloadTemplate
-// @Tags      excel
-// @Summary   下载模板
-// @Security  ApiKeyAuth
-// @accept    multipart/form-data
-// @Produce   application/json
-// @Param     fileName  query  string  true  "模板名称"
-// @Success   200
-// @Router    /excel/downloadTemplate [get]
-func (e *ExcelApi) DownloadTemplate(c *gin.Context) {
-	fileName := c.Query("fileName")
-	filePath := global.GVA_CONFIG.Excel.Dir + fileName
-
-	fi, err := os.Stat(filePath)
-	if err != nil {
-		global.GVA_LOG.Error("文件不存在!", zap.Error(err))
-		response.FailWithMessage("文件不存在", c)
-		return
-	}
-	if fi.IsDir() {
-		global.GVA_LOG.Error("不支持下载文件夹!", zap.Error(err))
-		response.FailWithMessage("不支持下载文件夹", c)
-		return
-	}
-	c.Writer.Header().Add("success", "true")
-	c.File(filePath)
-}