fix bugs: 截断乱码问题

pkg/common/table.go

 package common
 
 import (
+	"fmt"
 	"strings"
+	"unicode/utf8"
 
 	"github.com/olekukonko/tablewriter"
 )
@@ -145,12 +147,15 @@ func (t *WrapperTable) convertDataToSlice() [][]string {
 			} else {
 				switch t.TruncPolicy {
 				case TruncSuffix:
-					row[m] = j[n][:columSize-3] + "..."
+					row[m] = fmt.Sprintf("%s...",
+						GetValidString(j[n],columSize-3, true))
 				case TruncPrefix:
-					row[m] = "..." + j[n][len(j[n])-columSize-3:]
+					row[m] = fmt.Sprintf("...%s",
+						GetValidString(j[n],len(j[n])-columSize-3, false))
 				case TruncMiddle:
 					midValue := (columSize - 3) / 2
-					row[m] = j[n][:midValue] + "..." + j[n][len(j[n])-midValue:]
+					row[m] = fmt.Sprintf("%s...%s",GetValidString(j[n],midValue, true),
+						GetValidString(j[n],len(j[n])-midValue, false))
 				}
 			}
 
@@ -187,3 +192,24 @@ func (t *WrapperTable) Display() string {
 	table.Render()
 	return tableString.String()
 }
+
+func GetValidString(s string, position int, positive bool) string{
+	step := 1
+	if positive {
+		step = -1
+	}
+	for position >=0 && position <= len(s) {
+		switch positive {
+		case true:
+			if utf8.ValidString(s[:position]){
+				return s[:position]
+			}
+		case false:
+			if utf8.ValidString(s[position:]){
+				return s[position:]
+			}
+		}
+		position += step
+	}
+	return ""
+}
\ No newline at end of file

pkg/common/table_test.go

@@ -29,14 +29,11 @@ func TestNewTable_CalculateColumnsSize(t *testing.T) {
 	data := table.Display()
 	fmt.Println(data)
 	fmt.Println(table.fieldsSize)
-	//if table.fieldsSize["comment"] != 6 {
-	//	t.Error("comment需要为6")
-	//}
-	//
-	//table.TotalSize = 188
-	//table.CalculateColumnsSize()
-	//if table.fieldsSize["comment"] != 136 {
-	//	t.Error("comment长度需要为136")
-	//}
-	//fmt.Println(table.fieldsSize)
 }
+
+
+func TestGetCorrectString(t *testing.T) {
+	foo := "主2erert机名"
+	a:=GetValidString(foo,2,false)
+	t.Log(a == "2erert机名")
+}
\ No newline at end of file

pkg/handler/pagination.go

@@ -168,7 +168,7 @@ func (p *AssetPagination) displayPageAssets() {
 			"hostname":    {0, 8, 0},
 			"IP":          {0, 15, 40},
 			"systemUsers": {0, 12, 0},
-			"comment":     {0, 0, 40},
+			"comment":     {0, 0, 0},
 		},
 		Data:        data,
 		TotalSize:   w,

pkg/handler/session.go

@@ -120,6 +120,8 @@ func (h *interactiveHandler) watchWinSizeChange() {
 	winChan := sessChan
 	for {
 		select {
+		case <-h.sess.Context().Done():
+			return
 		case sig, ok := <-h.winWatchChan:
 			if !ok {
 				return