doc : add notes

models/datascope.go

@@ -2,8 +2,10 @@ package models
 
 import (
 	"errors"
+	"fmt"
 	"github.com/jinzhu/gorm"
 	"go-admin/tools"
+	"go-admin/tools/config"
 )
 
 type DataPermission struct {
@@ -14,6 +16,12 @@ type DataPermission struct {
 }
 
 func (e *DataPermission) GetDataScope(tbname string, table *gorm.DB) (*gorm.DB, error) {
+
+	if !config.ApplicationConfig.EnableDP {
+		usageStr := `数据权限已经为您` + tools.Green(`关闭`) + `，如需开启请参考配置文件字段说明`
+		fmt.Printf("%s\n", usageStr)
+		return table, nil
+	}
 	SysUser := new(SysUser)
 	SysRole := new(SysRole)
 	SysUser.UserId = e.UserId

models/initdb.go

@@ -40,8 +40,8 @@ func ExecSql(filePath string) error {
 	return nil
 }
 
-func Ioutil(name string) (string, error) {
-	if contents, err := ioutil.ReadFile(name); err == nil {
+func Ioutil(filePath string) (string, error) {
+	if contents, err := ioutil.ReadFile(filePath); err == nil {
 		//因为contents是[]byte类型，直接转换成string类型后会多一行空格,需要使用strings.Replace替换换行符
 		result := strings.Replace(string(contents), "\n", "", 1)
 		fmt.Println("Use ioutil.ReadFile to read a file:", result)

tools/ip.go

@@ -4,9 +4,11 @@ import (
 	"encoding/json"
 	"fmt"
 	"io/ioutil"
+	"net"
 	"net/http"
 )
 
+// 获取外网ip地址
 func GetLocation(ip string) string {
 	if ip == "127.0.0.1" || ip == "localhost" {
 		return "内部IP"
@@ -31,3 +33,27 @@ func GetLocation(ip string) string {
 	}
 	return m["province"] + "-" + m["city"]
 }
+
+// 获取局域网ip地址
+func GetLocaHonst() string {
+	netInterfaces, err := net.Interfaces()
+	if err != nil {
+		fmt.Println("net.Interfaces failed, err:", err.Error())
+	}
+
+	for i := 0; i < len(netInterfaces); i++ {
+		if (netInterfaces[i].Flags & net.FlagUp) != 0 {
+			addrs, _ := netInterfaces[i].Addrs()
+
+			for _, address := range addrs {
+				if ipnet, ok := address.(*net.IPNet); ok && !ipnet.IP.IsLoopback() {
+					if ipnet.IP.To4() != nil {
+						return ipnet.IP.String()
+					}
+				}
+			}
+		}
+
+	}
+	return ""
+}