Yuav ua li cas koj dim txoj hlua JSON hauv Java?
Yuav ua li cas koj dim txoj hlua JSON hauv Java?

Video: Yuav ua li cas koj dim txoj hlua JSON hauv Java?

Video: Yuav ua li cas koj dim txoj hlua JSON hauv Java?
Video: Yuav ua li cas thiaj khiav dim lub ntiajteb no 2024, Kaum ib hlis
Anonim

Koj ua tau khiav txoj hlua hauv Java los ntawm kev muab ib qho backslash hauv ob nqe lus xws li. "ua tau khiav dim xws li "yog tias nws tshwm sim hauv Txoj hlua nws tus kheej. Qhov no yog ok rau me me JSON String tab sis manually hloov txhua ob nqe lus nrog khiav tawm tus cwj pwm rau txawm ib tug nruab nrab loj JSON yog lub sijhawm siv, tho txawv, thiab ua yuam kev-nrhiav.

Yog li ntawd, yuav ua li cas koj dim cov cim tshwj xeeb hauv JSON txoj hlua hauv Java?

Koj ua tau khiav txoj hlua hauv Java los ntawm kev muab ib qho backslash hauv ob nqe lus xws li. "ua tau khiav dim xws li "yog tias nws tshwm sim hauv Txoj hlua nws tus kheej. Qhov no yog ok rau me me JSON String tab sis manually hloov txhua ob nqe lus nrog khiav ua cim rau txawm ib tug loj me me JSON yog lub sijhawm siv, tho txawv, thiab ua yuam kev-nrhiav.

Ib sab saum toj no, ua li cas koj dim txoj hlua hauv Java? Kev khiav tawm los yog unescapes a Java los yog.

Net thiab yuav tsum tau khiav tawm kom raug siv hauv cov hlua:

  1. Backspace yog hloov nrog.
  2. Newline hloov nrog.
  3. Tab yog hloov nrog.
  4. Carriage rov yog hloov nrog.
  5. Daim ntawv pub yog hloov nrog f.
  6. Ob nqe lus yog hloov nrog"
  7. Backslash yog hloov nrog

Yuav ua li cas koj khiav ib txoj hlua JSON?

Kev khiav tawm los yog unescapes a JSON txoj hlua tshem tawm cov kab ntawm cov cim ua txhaum cai uas tuaj yeem tiv thaiv kev sib cais. Backspace yog hloov nrog, Daim ntawv pub yog hloov nrog f, Newline yog hloov nrog, Carriage rov yog hloov nrog, Tab yog hloov nrog, Ob nqe lus yog hloov nrog , Backslash yog hloov nrog \.

Dab tsi yog JSON encoded hlua?

stringify(tus tub kawm ntawv) siv qhov khoom thiab hloov nws mus rau hauv a txoj hlua . Qhov tshwm sim json cev npe a JSON - encoded los yog serialized los yog stringified los yog marshalled khoom. Thov nco ntsoov tias a JSON - encoded object muaj ob peb yam tseem ceeb sib txawv ntawm cov khoom literal: Cov hlua siv ob nqe lus.

Pom zoo: