修改打印机绑定

controllers/api_controller.go

@@ -194,7 +194,6 @@ end:
 func (c *ApiController) AddPrinter(dataMap map[string]interface{}) (data, errCode string, err error) {
 	var (
 		printers []*model.AddPrinterParam
-		printersStr string
 		appID    int
 	)
 	globals.SugarLogger.Debugf("Begin API AddPrinter data: [%v]", utils.Format4Output(dataMap, false))
@@ -202,7 +201,7 @@ func (c *ApiController) AddPrinter(dataMap map[string]interface{}) (data, errCod
 		return buildParamErrCodeAndErr("prints_str_nil")
 	}
 
-	if err = utils.UnmarshalUseNumber([]byte(printersStr), &printers); err != nil {
+	if err = utils.UnmarshalUseNumber([]byte(dataMap["prints"].(string)), &printers); err != nil {
 		return buildParamErrCodeAndErr("prints_bind_fail")
 	}