我想将条目内的文本打印为.txt文档中的文本，但是尝试了三天之后，我仍然没有使它起作用。它不应该那么困难，但是GUI只会在FrameStart1中找不到该条目，而我不断得到：
AttributeError：“ FrameStart1”对象没有属性“ entry”
作为错误。
> sessioninfo::session_info("tidyverse")
─ Session info ─────────────────────────────────────────────────────────────────────
setting value
version R version 3.6.1 (2019-07-05)
os Windows 10 x64
system x86_64, mingw32
ui RStudio
language (EN)
collate English_United States.1252
ctype English_United States.1252
tz Europe/Helsinki
date 2019-12-17
─ Packages ─────────────────────────────────────────────────────────────────────────
package * version date lib source
askpass 1.1 2019-01-13 [1] CRAN (R 3.6.0)
assertthat 0.2.1 2019-03-21 [1] CRAN (R 3.6.0)
backports 1.1.5 2019-10-02 [1] CRAN (R 3.6.1)
base64enc 0.1-3 2015-07-28 [1] CRAN (R 3.6.0)
BH 1.72.0-2 2019-12-17 [1] CRAN (R 3.6.1)
broom 0.5.3 2019-12-14 [1] CRAN (R 3.6.1)
callr 3.4.0 2019-12-09 [1] CRAN (R 3.6.1)
cellranger 1.1.0 2016-07-27 [1] CRAN (R 3.6.0)
cli 2.0.0 2019-12-09 [1] CRAN (R 3.6.1)
clipr 0.7.0 2019-07-23 [1] CRAN (R 3.6.1)
colorspace 1.4-1 2019-03-18 [1] CRAN (R 3.6.0)
crayon 1.3.4 2017-09-16 [1] CRAN (R 3.6.0)
curl 4.3 2019-12-02 [1] CRAN (R 3.6.1)
DBI 1.1.0 2019-12-15 [1] CRAN (R 3.6.1)
dbplyr 1.4.2 2019-06-17 [1] CRAN (R 3.6.0)
digest 0.6.23 2019-11-23 [1] CRAN (R 3.6.1)
dplyr 0.8.3 2019-07-04 [1] CRAN (R 3.6.0)
ellipsis 0.3.0 2019-09-20 [1] CRAN (R 3.6.1)
evaluate 0.14 2019-05-28 [1] CRAN (R 3.6.0)
fansi 0.4.0 2018-10-05 [1] CRAN (R 3.6.0)
farver 2.0.1 2019-11-13 [1] CRAN (R 3.6.1)
forcats 0.4.0 2019-02-17 [1] CRAN (R 3.6.0)
fs 1.3.1.9000 2019-12-14 [1] Github (r-lib/fs@cb8930f)
generics 0.0.2 2018-11-29 [1] CRAN (R 3.6.0)
ggplot2 3.2.1 2019-08-10 [1] CRAN (R 3.6.1)
glue 1.3.1 2019-03-12 [1] CRAN (R 3.6.1)
gtable 0.3.0 2019-03-25 [1] CRAN (R 3.6.0)
haven 2.2.0 2019-11-08 [1] CRAN (R 3.6.1)
highr 0.8 2019-03-20 [1] CRAN (R 3.6.0)
hms 0.5.2 2019-10-30 [1] CRAN (R 3.6.1)
htmltools 0.4.0 2019-10-04 [1] CRAN (R 3.6.1)
httr 1.4.1 2019-08-05 [1] CRAN (R 3.6.1)
jsonlite 1.6 2018-12-07 [1] CRAN (R 3.6.0)
knitr 1.26 2019-11-12 [1] CRAN (R 3.6.1)
labeling 0.3 2014-08-23 [1] CRAN (R 3.6.0)
lattice 0.20-38 2018-11-04 [2] CRAN (R 3.6.1)
lazyeval 0.2.2 2019-03-15 [1] CRAN (R 3.6.0)
lifecycle 0.1.0 2019-08-01 [1] CRAN (R 3.6.1)
lubridate 1.7.4 2018-04-11 [1] CRAN (R 3.6.0)
magrittr 1.5 2014-11-22 [1] CRAN (R 3.6.0)
markdown 1.1 2019-08-07 [1] CRAN (R 3.6.1)
MASS 7.3-51.4 2019-03-31 [1] CRAN (R 3.6.1)
Matrix 1.2-17 2019-03-22 [2] CRAN (R 3.6.1)
mgcv 1.8-31 2019-11-09 [1] CRAN (R 3.6.1)
mime 0.7 2019-06-11 [1] CRAN (R 3.6.0)
modelr 0.1.5 2019-08-08 [1] CRAN (R 3.6.1)
munsell 0.5.0 2018-06-12 [1] CRAN (R 3.6.0)
nlme 3.1-143 2019-12-10 [1] CRAN (R 3.6.1)
openssl 1.4.1 2019-07-18 [1] CRAN (R 3.6.1)
pillar 1.4.2 2019-06-29 [1] CRAN (R 3.6.0)
pkgconfig 2.0.3 2019-09-22 [1] CRAN (R 3.6.1)
plogr 0.2.0 2018-03-25 [1] CRAN (R 3.6.0)
plyr 1.8.5 2019-12-10 [1] CRAN (R 3.6.1)
prettyunits 1.0.2 2015-07-13 [1] CRAN (R 3.6.0)
processx 3.4.1 2019-07-18 [1] CRAN (R 3.6.1)
progress 1.2.2 2019-05-16 [1] CRAN (R 3.6.0)
ps 1.3.0 2018-12-21 [1] CRAN (R 3.6.0)
purrr 0.3.3 2019-10-18 [1] CRAN (R 3.6.1)
R6 2.4.1 2019-11-12 [1] CRAN (R 3.6.1)
RColorBrewer 1.1-2 2014-12-07 [1] CRAN (R 3.6.0)
Rcpp 1.0.3 2019-11-08 [1] CRAN (R 3.6.1)
readr 1.3.1 2018-12-21 [1] CRAN (R 3.6.0)
readxl 1.3.1 2019-03-13 [1] CRAN (R 3.6.1)
rematch 1.0.1 2016-04-21 [1] CRAN (R 3.6.0)
reprex 0.3.0 2019-05-16 [1] CRAN (R 3.6.0)
reshape2 1.4.3 2017-12-11 [1] CRAN (R 3.6.0)
rlang 0.4.2.9000 2019-12-13 [1] Github (r-lib/rlang@ec7c1ed)
rmarkdown 2.0 2019-12-12 [1] CRAN (R 3.6.1)
rstudioapi 0.10.0-9003 2019-12-17 [1] Github (rstudio/rstudioapi@abe596d)
rvest 0.3.5 2019-11-08 [1] CRAN (R 3.6.1)
scales 1.1.0 2019-11-18 [1] CRAN (R 3.6.1)
selectr 0.4-2 2019-11-20 [1] CRAN (R 3.6.1)
stringi 1.4.3 2019-03-12 [1] CRAN (R 3.6.0)
stringr 1.4.0 2019-02-10 [1] CRAN (R 3.6.0)
sys 3.3 2019-08-21 [1] CRAN (R 3.6.1)
tibble 2.1.3 2019-06-06 [1] CRAN (R 3.6.0)
tidyr 1.0.0 2019-09-11 [1] CRAN (R 3.6.1)
tidyselect 0.2.5 2018-10-11 [1] CRAN (R 3.6.0)
tidyverse 1.3.0 2019-11-21 [1] CRAN (R 3.6.1)
tinytex 0.18 2019-12-10 [1] CRAN (R 3.6.1)
utf8 1.1.4 2018-05-24 [1] CRAN (R 3.6.0)
vctrs 0.2.0 2019-07-05 [1] CRAN (R 3.6.1)
viridisLite 0.3.0 2018-02-01 [1] CRAN (R 3.6.0)
whisker 0.4 2019-08-28 [1] CRAN (R 3.6.1)
withr 2.1.2 2018-03-15 [1] CRAN (R 3.6.0)
xfun 0.11 2019-11-12 [1] CRAN (R 3.6.1)
xml2 1.2.2 2019-08-09 [1] CRAN (R 3.6.1)
yaml 2.2.0 2018-07-25 [1] CRAN (R 3.6.0)
zeallot 0.1.0 2018-01-28 [1] CRAN (R 3.6.0)