去掉字符串尾部的结束标记以免输出时乱码

workbook.go

@@ -245,6 +245,10 @@ func (w *WorkBook) parseString(buf io.ReadSeeker, size uint16, from string) (res
 				w.continue_utf16 = 1
 			}
 
+			if i > 1 && 0 == bts[i-1] {
+				i--
+			}
+
 			res = string(utf16.Decode(bts[:i]))
 		} else {
 			var n int
@@ -255,6 +259,10 @@ func (w *WorkBook) parseString(buf io.ReadSeeker, size uint16, from string) (res
 				err = io.EOF
 			}
 
+			if n > 1 && 0 == bts[n-1] {
+				n--
+			}
+
 			var bts1 = make([]uint16, n)
 			for k, v := range bts[:n] {
 				bts1[k] = uint16(v)