增加通过excel批量添加用户的功能，支持导入后自动发邮件

server/go.mod

@@ -28,9 +28,10 @@ require (
 	github.com/stretchr/testify v1.8.0
 	github.com/xhit/go-simple-mail/v2 v2.10.0
 	github.com/xlzd/gotp v0.0.0-20181030022105-c8557ba2c119
+	github.com/xuri/excelize/v2 v2.6.1
 	go.uber.org/atomic v1.10.0
-	golang.org/x/crypto v0.0.0-20220427172511-eb4f295cb31f
-	golang.org/x/net v0.0.0-20220425223048-2871e0cb64e4
+	golang.org/x/crypto v0.0.0-20220817201139-bc19a97f63c8
+	golang.org/x/net v0.0.0-20220812174116-3211cb980234
 	golang.org/x/text v0.3.7
 	golang.org/x/time v0.0.0-20210723032227-1f47c861a9ac
 	layeh.com/radius v0.0.0-20210819152912-ad72663a72ab
@@ -53,10 +54,13 @@ require (
 	github.com/mitchellh/mapstructure v1.4.1 // indirect
 	github.com/modern-go/concurrent v0.0.0-20180306012644-bacd9c7ef1dd // indirect
 	github.com/modern-go/reflect2 v1.0.1 // indirect
+	github.com/mohae/deepcopy v0.0.0-20170929034955-c48cc78d4826 // indirect
 	github.com/pelletier/go-toml v1.9.3 // indirect
 	github.com/pion/transport v0.13.0 // indirect
 	github.com/pion/udp v0.1.1 // indirect
 	github.com/pmezard/go-difflib v1.0.0 // indirect
+	github.com/richardlehane/mscfb v1.0.4 // indirect
+	github.com/richardlehane/msoleps v1.0.3 // indirect
 	github.com/robfig/cron/v3 v3.0.1 // indirect
 	github.com/spf13/afero v1.6.0 // indirect
 	github.com/spf13/cast v1.3.1 // indirect
@@ -66,8 +70,10 @@ require (
 	github.com/syndtr/goleveldb v1.0.0 // indirect
 	github.com/tklauser/go-sysconf v0.3.7 // indirect
 	github.com/tklauser/numcpus v0.2.3 // indirect
+	github.com/xuri/efp v0.0.0-20220603152613-6918739fd470 // indirect
+	github.com/xuri/nfp v0.0.0-20220409054826-5e722a1d9e22 // indirect
 	golang.org/x/sync v0.0.0-20210220032951-036812b2e83c // indirect
-	golang.org/x/sys v0.0.0-20211216021012-1d35b9e2eb4e // indirect
+	golang.org/x/sys v0.0.0-20220728004956-3c1f35247d10 // indirect
 	gopkg.in/asn1-ber.v1 v1.0.0-20181015200546-f715ec2f112d // indirect
 	gopkg.in/ini.v1 v1.62.0 // indirect
 	gopkg.in/yaml.v2 v2.4.0 // indirect