fix: 代码优化

src/framework/telnet/telnet.go

@@ -42,10 +42,14 @@ func (c *ConnTelnet) NewClient() (*ConnTelnet, error) {
 	}
 
 	// 进行登录
-	time.Sleep(100 * time.Millisecond)
-	client.Write([]byte(c.User + "\r\n"))
-	time.Sleep(100 * time.Millisecond)
-	client.Write([]byte(c.Password + "\r\n"))
+	if c.User != "" {
+		time.Sleep(100 * time.Millisecond)
+		client.Write([]byte(c.User + "\r\n"))
+	}
+	if c.Password != "" {
+		time.Sleep(100 * time.Millisecond)
+		client.Write([]byte(c.Password + "\r\n"))
+	}
 	// fmt.Fprintln(client, c.User)
 	// fmt.Fprintln(client, c.Password)
 
@@ -103,6 +107,19 @@ func (c *ConnTelnet) RunCMD(cmd string) (string, error) {
 	return c.LastResult, nil
 }
 
+// WindowChange informs the remote host about a terminal window dimension change to h rows and w columns.
+func (s *ConnTelnet) WindowChange(h, w int) error {
+	if s.Client == nil {
+		return fmt.Errorf("client is nil to content write failed")
+	}
+	conn := *s.Client
+
+	// 需要确保接收方理解并正确处理发送窗口大小设置命令
+	conn.Write([]byte{255, 251, 31})
+	conn.Write([]byte{255, 250, 31, byte(w >> 8), byte(w & 0xFF), byte(h >> 8), byte(h & 0xFF), 255, 240})
+	return nil
+}
+
 // NewClient 创建Telnet客户端会话对象
 func (c *ConnTelnet) NewClientSession(cols, rows int) (*TelnetClientSession, error) {
 	if c.Client == nil {

src/framework/utils/date/date.go

@@ -54,9 +54,9 @@ func ParseDateToStr(date any, formatStr string) string {
 			if v == 0 {
 				return ""
 			}
-			if v > 9999999999 {
+			if v > 1e12 {
 				t = time.UnixMilli(v)
-			} else if v > 999999999 {
+			} else if v > 1e9 {
 				t = time.Unix(v, 0)
 			} else {
 				logger.Infof("utils ParseDateToStr err %v", "Invalid timestamp")

src/framework/utils/expr/expr.go

@@ -0,0 +1,44 @@
+package expr
+
+import (
+	"fmt"
+	"regexp"
+	"strings"
+
+	"github.com/expr-lang/expr"
+)
+
+// Eval 计算表达式返回结果
+func Eval(exprStr string, env map[string]any) (any, error) {
+	return expr.Eval(exprStr, env)
+}
+
+// ParseExprEnv 解析表达式环境变量
+// 比如 "('SMF.03'/'SMF.04')*100"
+// 变量传入"SMF.03": 3
+func ParseExprEnv(exprStr string, env map[string]any) (string, map[string]any) {
+	// 使用正则表达式匹配带单引号的变量名
+	re := regexp.MustCompile(`'([^']+)'`)
+	tempEnv := make(map[string]any)
+	tempExpr := exprStr
+	varCount := 0
+	matches := re.FindAllStringSubmatch(exprStr, -1)
+	for _, match := range matches {
+		paramName := match[1]
+		tempVarName := fmt.Sprintf("var%d", varCount)
+		tempEnv[tempVarName] = env[paramName]
+		tempExpr = strings.Replace(tempExpr, match[0], tempVarName, 1)
+		varCount++
+	}
+
+	// 合并临时环境变量和原环境变量
+	combinedEnv := make(map[string]any)
+	for k, v := range env {
+		combinedEnv[k] = v
+	}
+	for k, v := range tempEnv {
+		combinedEnv[k] = v
+	}
+
+	return tempExpr, combinedEnv
+}