Merge branch 'main' of http://192.168.0.229:3180/OMC/ems_backend

lib/core/file/csv.go

@@ -0,0 +1,43 @@
+package file
+
+import (
+	"encoding/csv"
+	"os"
+	"path/filepath"
+
+	"ems.agt/lib/log"
+)
+
+// 写入CSV文件，需要转换数据
+// 例如：
+// data := [][]string{}
+// data = append(data, []string{"姓名", "年龄", "城市"})
+// data = append(data, []string{"1", "2", "3"})
+// err := file.WriterCSVFile(data, filePath)
+func WriterCSVFile(data [][]string, filePath string) error {
+	// 获取文件所在的目录路径
+	dirPath := filepath.Dir(filePath)
+
+	// 确保文件夹路径存在
+	err := os.MkdirAll(dirPath, os.ModePerm)
+	if err != nil {
+		log.Errorf("创建文件夹失败 CreateFile %v", err)
+	}
+
+	// 创建或打开文件
+	file, err := os.Create(filePath)
+	if err != nil {
+		return err
+	}
+	defer file.Close()
+
+	// 创建CSV编写器
+	writer := csv.NewWriter(file)
+	defer writer.Flush()
+
+	// 写入数据
+	for _, row := range data {
+		writer.Write(row)
+	}
+	return nil
+}

lib/core/mml_client/mml_client.go

@@ -0,0 +1,88 @@
+package mmlclient
+
+import (
+	"bufio"
+	"fmt"
+	"io"
+	"net"
+	"time"
+
+	"ems.agt/lib/core/conf"
+)
+
+// 定义MMLClient结构体
+type MMLClient struct {
+	awaitTime time.Duration // 等待时间
+	conn      net.Conn
+	reader    *bufio.Reader
+	size      int // 包含字符
+}
+
+// 封装NewMMLClient函数，用于创建MMLClient实例
+// 网元UDM的IP地址 "198.51.100.1"
+func NewMMLClient(ip string) (*MMLClient, error) {
+	// 创建TCP连接
+	portMML := conf.Get("mml.port").(int)
+	hostMML := fmt.Sprintf("%s:%d", ip, portMML)
+	conn, err := net.Dial("tcp", hostMML)
+	if err != nil {
+		return nil, err
+	}
+
+	// 进行登录
+	usernameMML := conf.Get("mml.user").(string)
+	passwordMML := conf.Get("mml.password").(string)
+	fmt.Fprintln(conn, usernameMML)
+	fmt.Fprintln(conn, passwordMML)
+
+	// 发送后等待
+	sleepTime := conf.Get("mml.sleep").(int)
+	awaitTime := time.Duration(sleepTime) * time.Millisecond
+	time.Sleep(awaitTime)
+
+	// 读取内容
+	buf := make([]byte, 1024*8)
+	n, err := conn.Read(buf)
+	if err != nil {
+		return nil, err
+	}
+
+	// 创建MMLClient实例
+	client := &MMLClient{
+		conn:      conn,
+		reader:    bufio.NewReader(conn),
+		awaitTime: awaitTime,
+		size:      n,
+	}
+
+	return client, nil
+}
+
+// 封装Send函数，用于向TCP连接发送数据
+func (c *MMLClient) Send(msg string) error {
+	_, err := fmt.Fprintln(c.conn, msg)
+	if err != nil {
+		return err
+	}
+	time.Sleep(c.awaitTime)
+	return nil
+}
+
+// 封装Receive函数，用于从TCP连接中接收数据
+func (c *MMLClient) Receive() (string, error) {
+	buf := make([]byte, 1024*8)
+	n, err := c.reader.Read(buf)
+	if err != nil {
+		if err == io.EOF {
+			return "", fmt.Errorf("server closed the connection")
+		}
+		return "", err
+	}
+
+	return string(buf[0:n]), nil
+}
+
+// 封装Close函数，用于关闭TCP连接
+func (c *MMLClient) Close() error {
+	return c.conn.Close()
+}

lib/core/mml_client/send.go

@@ -0,0 +1,74 @@
+package mmlclient
+
+import (
+	"fmt"
+	"strings"
+)
+
+// 发送MML
+// ip 网元IP地址
+// msg 指令
+func MMLSendMsgToString(ip, msg string) (string, error) {
+	// 创建MMLClient实例
+	client, err := NewMMLClient(ip)
+	if err != nil {
+		return "", fmt.Errorf("创建MMLClient实例失败：%v", err)
+	}
+	defer client.Close()
+
+	// 发送数据
+	err = client.Send(msg)
+	if err != nil {
+		return "", fmt.Errorf("发送数据失败：%v", err)
+	}
+
+	// 接收数据
+	data, err := client.Receive()
+	if err != nil {
+		return "", fmt.Errorf("接收数据失败：%v", err)
+	}
+
+	return data, nil
+}
+
+// 发送MML
+// ip 网元IP地址
+// msg 指令
+func MMLSendMsgToMap(ip, msg string) (map[string]string, error) {
+	// 发送获取数据
+	str, err := MMLSendMsgToString(ip, msg)
+
+	// 初始化一个map用于存储拆分后的键值对
+	m := make(map[string]string)
+
+	var items []string
+	// 按照分隔符"\r\n"进行拆分
+	if strings.Contains(str, "\r\n") {
+		items = strings.Split(str, "\r\n")
+	}
+	// 按照分隔符"\n"进行拆分
+	if strings.Contains(str, "\n") {
+		items = strings.Split(str, "\n")
+	}
+
+	// 遍历拆分后的结果
+	for _, item := range items {
+		var pair []string
+
+		// 按照分隔符"="进行拆分键值对
+		if strings.Contains(item, "=") {
+			pair = strings.Split(item, "=")
+		}
+
+		// 按照分隔符":"进行拆分键值对
+		if strings.Contains(item, ":") {
+			pair = strings.Split(item, ":")
+		}
+
+		if len(pair) == 2 {
+			// 将键值对存入map中
+			m[pair[0]] = pair[1]
+		}
+	}
+	return m, err
+}

lib/core/utils/ctx/ctx.go

@@ -5,6 +5,7 @@ import (
 	"fmt"
 	"io"
 	"net/http"
+	"net/url"
 
 	"ems.agt/lib/core/vo"
 	"github.com/gorilla/mux"
@@ -59,6 +60,13 @@ func JSON(w http.ResponseWriter, code int, data any) {
 	}
 }
 
+// 将文件导出到外部下载
+func FileAttachment(w http.ResponseWriter, r *http.Request, filepath, filename string) {
+	w.Header().Set("Content-Disposition", `attachment; filename=`+url.QueryEscape(filename))
+	w.Header().Set("Content-Type", "application/octet-stream")
+	http.ServeFile(w, r, filepath)
+}
+
 /// ==== 登录用户信息， 通过中间件后预置入
 
 // 定义自定义类型作为键

lib/midware/cors.go

@@ -48,10 +48,12 @@ func Cors(next http.Handler) http.Handler {
 			// 允许请求头
 			allowHeaders := []string{
 				"Accesstoken",
+				"Content-Type",
+				"operationtype",
 			}
 			w.Header().Set("Access-Control-Allow-Headers", strings.Join(allowHeaders, ","))
 
-			w.WriteHeader(500)
+			w.WriteHeader(204)
 			return
 		}
 

lib/services/services.go

@@ -883,15 +883,16 @@ func ResponseErrorWithJson(w http.ResponseWriter, code int, nameValue interface{
 }
 
 func SetCommonResponseHeader(w http.ResponseWriter) {
+	// 设置Vary头部
+	w.Header().Set("Vary", "Origin")
+	w.Header().Set("Keep-Alive", "timeout=5")
 	// To solve cross domain issue
 	w.Header().Set("Access-Control-Allow-Origin", "*")
-	//	w.Header().Set("Access-Control-Allow-Methods", "POST, GET, PUT, DELETE, OPTIONS")
 	w.Header().Set("Access-Control-Allow-Methods", "*")
 	w.Header().Set("Access-Control-Allow-Headers", "*")
-	//	w.Header().Set("Access-Control-Allow-Headers", "Content-Type")
-	//	w.Header().Set("Access-Control-Allow-Headers", "AccessToken")
-	w.Header().Set("Access-Control-Expose-Headers", "Access-Control-Allow-Headers, Token")
 	w.Header().Set("Access-Control-Allow-Credentials", "true")
+	// 响应最大时间值
+	w.Header().Set("Access-Control-Max-Age", "31536000")
 }
 
 func SetResponseHeader(w http.ResponseWriter) {